DISPLAY DEVICE AND METHOD FOR MANUFACTURING DISPLAY DEVICE

The present disclosure provides a display device, a display apparatus, and a method for manufacturing a display device. The display device comprises a mainboard, a display panel disposed on the mainboard, and a fingerprint recognition sensor. The fingerprint recognition sensor is disposed on the mainboard, and the fingerprint recognition sensor is located between the mainboard and the display panel. A groove is formed on a surface of the display panel facing the mainboard, and an orthographic projection of the groove on the mainboard corresponds to a position of the fingerprint recognition sensor. The groove is configured to form an air gap between the fingerprint recognition sensor and the display panel. 1. A display device , comprising: the fingerprint recognition sensor is disposed on the mainboard, and the fingerprint recognition sensor is located between the mainboard and the display panel;', 'a groove is formed on a surface of the display panel facing the mainboard, and an orthographic projection of the groove on the mainboard corresponds to a position of the fingerprint recognition sensor; and', 'the groove is configured to form an air gap between the fingerprint recognition sensor and the display panel., 'a mainboard, a display panel disposed on the mainboard, and a fingerprint recognition sensor, wherein2. The display device according to claim 1 , wherein an outer periphery of the fingerprint recognition sensor is adhered and fixed to the mainboard by an edge sealant layer.3. The display device according to claim 2 , wherein a part of the outer periphery of the fingerprint recognition sensor is adhered and fixed to the mainboard by the edge sealant layer.4. The display device according to claim 2 , wherein a shape of the groove is the same as that of a part of the fingerprint recognition sensor to which the edge sealant layer is adhered.5. The display device according to claim 4 , wherein a size of the groove is same as that of the part of the fingerprint ...

Ultra-thin high-adaptability photovoltaic module

The invention discloses an ultra-thin high-adaptability photovoltaic module, and relates to the technical field of photovoltaic modules. The device comprises two photovoltaic mechanisms, a connecting mechanism is fixedly connected between the two photovoltaic mechanisms, the two ends of the connecting mechanism are movably connected with the two photovoltaic mechanisms, and three fixing mechanisms are slidably inserted into the connecting mechanism. A first screw rod in a connecting mechanism is inserted into a photovoltaic mechanism to quickly assemble the photovoltaic module, and a rotating arm, a supporting arm and a second screw rod form triangular support by utilizing the movement of a moving column included in a fixing mechanism, so that the photovoltaic module can be conveniently packaged and transported. Therefore, the photovoltaic module can be quickly fixed on the mounting rack.

Subway train safety start up detecting device

The utility model discloses a subway train safety start up detecting device, automobile body including the subway train, the front end top of automobile body both sides do not is equipped with infra -red transmitter, the rear end of automobile body both sides is equipped with infrared receiver respectively, and infra -red transmitter and infrared receiver are connected with the safety coefficient of subway train is electrically conductive respectively, safety coefficient control connection has a start -up system of subway train, and after infrared receiver received the infrared signal that infra -red transmitter sent, safety coefficient put through start -up system. According to the structure, the utility model discloses a subway train safety start up detecting device when the less article of thickness such as passenger or passenger's clothing, newspaper are carried to the subway train at door or emergency exit, prevents that the subway train from starting, guarantees passenger's personal ...

Method for agrobacterium tumefaciens-mediated genetic transformation of sugarcane

The invention discloses a method for agrobacterium tumefaciens-mediated genetic transformation of sugarcane. The method comprises the steps: leading agrobacterium tumefaciens liquor carrying plant expression vectors to infect embryogenic callus of the sugarcane; and selecting and proliferating resistant calli to induce the resistant calli to obtain the resistant buds of the sugarcane, wherein matrix attachment region sequences are connected at two sides of a gene expression box of the plant expression vector. According to the method, MARs (metal artifact reduction) sequences are built at two sides of the gene expression box of the plant expression vector, thus greatly improving the exogenous gene transformation efficiency and seedling rate of the sugarcane, and being simple in process flow and low in cost.

Ultrasonic wave angle adjustment device in water immersion ultrasonic testing

The invention belongs to the technical field of water immersion ultrasonic non-destructive testing on the inner surface of small-bore tubular equipment in a nuclear power station and relates to an ultrasonic wave angle adjustment device in water immersion ultrasonic testing. The ultrasonic wave angle adjustment device comprises water immersion probes (2 and 4), and the ultrasonic wave angle adjustment device in the water immersion ultrasonic testing is used for adjusting the angles of ultrasonic waves generated by the water immersion probes (2 and 4); the ultrasonic wave angle adjustment device also comprises a mounting base (1), a reflecting mirror (6), a motor (7) and a reflecting mirror base (9), wherein the water immersion probes (2 and 4) and the reflecting mirror base (9) are fixed on the mounting base (1) and are arranged at appointed intervals, the reflecting mirror (6) is rotationally arranged on the reflecting mirror base (9) and faces the water immersion probes (2 and 4), the ...

Method for measuring elliptical deformation of large ring part in high-temperature conditions

The invention discloses a method for measuring the elliptical deformation of a large ring part in high-temperature conditions, and relates to the technical field of metal material heat treatment. According to the method, a measurement diameter (5) is selected on a ring part (4), and a test block A (1) and a test block B (2) are arranged on two ends of the measurement diameter (5) respectively, a light beam is transmitted by a laser distance measuring device, the light beam passes through a through hole in the middle portion of the test block A (1) and reaches one edge of the upper portion of the test block B (2) and the edge of the test block A (1), the measurement distances in the cold state and the high-temperature conditions are recorded separately to obtain the deformation. According to the invention, advantages of simple operation and small measurement error can be realized, and the measurement of the elliptical deformation of the large ring part can be completed even in the high-temperature ...

Tool equipment for testing half-piece model assembly

The invention discloses tool equipment for testing a half-piece model assembly, and relates to the technical field of photovoltaic half-piece assemblies, the tool equipment comprises a base, a feeding belt and a discharging assembly, the feeding belt is arranged on the upper side of the base, a supporting column is fixed to the side edge of the upper portion of the base, a top plate is fixed to the upper portion of the supporting column, and a display screen is installed above the top plate; the testing assembly is installed on the lower side of the middle of the top plate, the testing assembly comprises a placement transverse rail, a moving seat, an installation plate, an air cylinder, a probe station and a pressing needle, the moving seat is installed on the outer side of the placement transverse rail, and the installation plate is fixed to the lower portion of the moving seat. According to the tool equipment for testing the half-plate type assemblies, the pressing needles on the lower ...

Small earth ramming device for landscape garden construction

The utility model discloses a small earth ramming device for landscape garden construction, and relates to the technical field of small earth ramming devices. A supporting column is arranged on the lower surface of the tamping machine, a universal wheel is arranged at one end of the supporting column, the tamping machine comprises a bottom plate, two symmetrical sliding grooves, an air cylinder, a tamping hammer and a telescopic rod are arranged on the upper surface of the bottom plate, telescopic devices and sliding blocks are arranged in the sliding grooves, fixing rods are arranged on the upper surfaces of the sliding blocks, and rotating shafts are arranged on the opposite side faces of the two fixing rods. A sliding groove is formed in the outer surface of the rammer, a second telescopic device and a second sliding block are arranged in the sliding groove, and a plurality of limiting buckles are arranged on the outer surface of the telescopic rod. Through the arrangement of the bottom ...

DISPLAY ASSEMBLY, DISPLAY DEVICE AND MANUFACTURING METHOD OF THE SAME

The present disclosure provides a display assembly, a display device including the display assembly, and a manufacturing method of the display device. The display assembly includes: a display panel having a display surface with a fingerprint detection area, and a back surface facing away from the display surface; and a carrier adhesive including a binding surface and a grooved surface facing away from the binding surface, wherein the carrier adhesive is provided with a carrier groove having an opening formed on the grooved surface, the binding surface is attached to the back surface of the display panel and the carrier groove is opposite to the fingerprint detection area. 1. A display assembly , comprising:a display panel having a display surface with a fingerprint detection area, and a back surface facing away from the display surface; anda carrier adhesive comprising a binding surface and a grooved surface facing away from the binding surface, wherein the carrier adhesive is provided with a carrier groove having an opening on the grooved surface, the binding surface is contact with the back surface of the display panel and the carrier groove is opposite to the fingerprint detection area.2. The display assembly according to claim 1 , wherein a bottom wall of the carrier groove is provided with a light-transmitting hole that penetrates the bottom wall in a direction perpendicular to the display panel claim 1 , the light-transmitting hole is in communication with the carrier groove.3. The display assembly according to claim 2 , wherein the carrier adhesive comprises a first carrier adhesive and a second carrier adhesive disposed on the first carrier adhesive claim 2 , a surface of the first carrier adhesive is the binding surface of the carrier adhesive.4. The display assembly according to claim 3 , wherein the light-transmitting hole is disposed in the first carrier adhesive claim 3 , and the carrier groove is disposed in the second carrier adhesive.5. The display ...

Manipulator of high -voltage line de -icer

The utility model provides a deicing technique is three kinds as follows mainly: that manipulator of high -voltage line de -icer, the problem that solve is current machinery deicing method, heating power ice -melt method and passive deicing method. Nevertheless there is the operating difficulties in these three kinds of deicing methods, and it is great consume energy, shortcoming such as technological immature, the utility model provides a running gear front end is provided with drive hammer mechanism, drive hammer mechanism strikes the pole and adjusts the rack including the formula of clamp, adjusts the rack both ends and is provided with adjusting bolt and one -way spring respectively, and the other end of one -way spring is together fixed with the slider that sets up on the pole is struck to the formula of clamp, the running gear below is provided with the manipulator, and the manipulator has four flexible contacts including character cut in bas -relief shape frame, the frame inner ...

Method for implementing service-oriented index model in business intelligence system

The invention provides a method for implementing a service-oriented index model in a business intelligence system. The method establishes the service-oriented index model using an index library, an index standard value library and an index model library as cores by an index-based analysis decision method for enterprise construction, can assist clients to quickly construct the index model suitable for the enterprise, and can expand and complete the index model according to the conditions of the enterprise along with the deep application to form an index model based scientific analysis decision method; and for the suppliers, the method can continually form a reusable different service oriented index model along with the accumulation of the implemented project to improve the implementing capacity.

Wedge formula canceling mechanism

Wedge formula canceling mechanism relates to automobile frame circle appurtenance's pipe part fixed -position welding for design technical field, including two base blocks, two compress tightly arm, wedge, joint, cylinder float, two base block symmetries are connected through the connecting block between setting up just, the wedge sets up between two base blocks and the bottom is connected through the tailpiece of the piston rod portion that connects with the cylinder of floating, the symmetry is equipped with down " V " shape spout respectively on two triangle planes of wedge, two compress tightly the arm and set up respectively in the wedge both sides, and cooperation setting is planted in the spout and can be followed the gliding slider of spout respectively on every compresses tightly the arm, inboard at every block base piece, as to follow base block width direction is equipped with the guide rail parallel with the horizon, press from both sides tight arm at every and set up the arch ...

Mechanism and device for measuring icing bonding strength of airfoil blade and test method

The invention discloses an airfoil blade icing bonding strength measuring mechanism and device and a test method, relates to the field of airfoil blade icing bonding strength measurement, and solves the problems that a traditional measuring device is inconvenient to operate and is greatly influenced by the environment. The device comprises a plurality of blades, a fixing base, a plurality of deicing sliding blocks, a plurality of sliding rails and a plurality of blade fixing beams, and the fixing base is installed on a test bed and driven by the test bed to rotate; a plurality of sliding rails and a plurality of blade fixing beams are installed on the fixing base in a bilateral symmetry mode, deicing sliding blocks are installed on the sliding rails, and blades are installed at the tail ends of the blade fixing beams. Ice layers on the surfaces of the blades are removed through centrifugal force generated by rotation of the deicing sliding blocks and the ice layers. According to the invention ...

Cart with storage function

The invention discloses a cart with a storage function, and relates to the technical field of packaging equipment. The cart with the storage function comprises a movable bottom plate and a plurality of installation supporting shafts installed on the surface of the bottom end of the movable bottom plate, fixing frames are installed on the surfaces of the bottom ends of the installation supporting shafts, moving wheels are movably installed in the fixing frames, and a tool storage mechanism is installed on the surface of the top end of the movable bottom plate. A limiting mechanism is installed on the surface of the top end of the movable bottom plate on the outer side of the tool storage mechanism, and a plurality of supporting shafts are installed on the surface of the top end of the movable bottom plate. Required packaging materials are sequentially inserted on the outer side of the stacking vertical shaft, so that the packaging materials are sequentially stacked according to the inclination ...

Styptic powder

Inner driving type passive clamping piezoelectric actuator

The invention relates to a piezoelectric actuator, in particular to an inner driving type passive clamping piezoelectric actuator. The problems that according to an existing inner driving type clamping piezoelectric actuator, self locking cannot be achieved during outage, a driver is slow in running speed, and requirements for machining accuracy of a clamping body and a guiding track are high are solved. The inner driving type passive clamping piezoelectric actuator comprises a guiding track, driving bodies, a driving piezoelectric stack, two clamping piezoelectric stacks and two clamping bodies. Each clamping body comprises a piezoelectric stack pre-tightening piece, two clamping triangle amplified flexible hinges, two clamping piezoelectric stack supporting bodies and two clamping heads. Each driving body comprises two driving triangle amplified flexible hinges, two driving piezoelectric stack supporting bodies and two driving piezoelectric stack pre-tightening pieces. The driving bodies ...

Water filling layer position increasing device

The invention provides a water filling layer position increasing device. A table shoulder is arranged at the lower part of a center pipe of a lower water distributor, a core of the lower water distributor is positioned at the table shoulder, the lower part of an upper water distributor is connected with the upper part of a packer, a core of the upper water distributor is matched in a center pipe of the upper water distributor, the core of the lower water distributor is matched in the center pipe of the lower water distributor, the lower part of the packer is connected with the lower water distributor, the upper water distributor and the lower water distributor have the same specification, the lower part of the center pipe of the upper water distributor is provided with no table shoulder, the core of the lower water distributor can move down to the center pipe of the lower water distributor from the center pipe of the upper water distributor, the lower part of the core of the upper water ...

Solar cell, passivation contact structure thereof and photovoltaic module

The invention discloses a solar cell, a passivation contact structure thereof and a photovoltaic module, and relates to the field of solar energy, the solar cell comprises a solar panel, the solar panel comprises a silicon nitride antireflection film, a solar silicon wafer substrate, a passivation structure plate and a light-transmitting glass layer, the passivation structure plate is fixedly installed at the bottom of the solar silicon wafer substrate, and the light-transmitting glass layer is installed on the passivation structure plate. And the silicon nitride antireflection film is fixedly arranged on the upper surface of the solar silicon wafer substrate. The solar panel is moved towards the rear side end of the strip-shaped support through the conveying mechanism, so that the solar panel can move on the strip-shaped support without large-range movement, when the solar panel is installed, a person only needs to stand in situ, the solar panel can be installed at a long distance, and ...

Intelligent building operation management system based on voice interaction

The invention provides an intelligent building operation management system based on voice interaction, and relates to the technical field of voice control, and the system comprises the steps: carrying out the recognition of a voice instruction, and obtaining the identity information and instruction content of a user; when a semantic recognition result obtained by performing semantic recognition on the instruction content can represent the operation intention of the user and it is judged that the user has the corresponding operation authority according to the identity information, an operation instruction is generated according to the operation intention; when the operation instruction is an equipment control instruction, controlling the corresponding building equipment to execute the equipment control instruction and displaying the equipment state of the corresponding building equipment, and when the operation instruction is an equipment checking instruction, searching and displaying the ...

Equant oil pump plunger assembly

The invention relates to an equant oil pump plunger assembly, comprising an upper oil outlet joint, an equant plunger, a traveling valve ball, a traveling valve seat and a valve seat joint. The upper oil outlet joint is provided with an oil outlet groove; the upper oil outlet joint, the equant plunger and the valve seat joint are sequentially connected together; the traveling valve ball seat is arranged at the upper port of the traveling seat; a valve seat hole and a valve ball chamber are arranged above a screw under the equant plunger; the traveling valve seat is installed in the valve seat hole; the traveling valve ball is arranged in the valve ball chamber; and a shielding cover is installed above the valve ball chamber and fixed in the equant plunger. The valve ball chamber is arranged in the equant plunger, without installing a traveling valve bonnet. The equant plunger has simple structure, high reliability; the oil pump has long service life; and the valve ball chamber has a large ...

Method for polishing inner surface of nickel capillary tube

The invention relates to a method for polishing the inner surface of a nickel capillary tube. The method mainly comprises the steps of: firstly preparing a chemical polishing solution, wherein the chemical polishing solution comprises the following chemical components in percentage by mass: 0.06-0.12% of an oxidant, 0.06-0.12% of a nickel ion complexing agent, or 0.005-0.01% of a surfactant, or 0.05-0.1% of a viscosity additive and the balance of distilled water; adjusting the pH value of the chemical polishing solution to 1.5-2.5 with diluted sulfuric acid or diluted phosphoric acid; connecting one end of a peristaltic pump tube which is connected with a peristaltic pump and the nickel capillary tube together, and putting the other end of the peristaltic pump tube into a container filled with the chemical polishing solution; adjusting the flow rate of the liquid peristaltic pump to 80-220ml/min; carrying out polishing reaction for 1-2.5 minutes; washing the inner surface of the nickel ...

Composite bending and rolling forming device and method for section bar with non-closed section

The invention discloses a composite bending and rolling forming device and method for a non-closed section profile. The composite bending and rolling forming device comprises a section shape forming roller set, a last-pass axis bending forming roller set and a transmission roller. The axis bending forming roller set comprises two bending rollers which are arranged on the left side and the right side of the non-closed section profile, the rotating axes of the two bending rollers are parallel, the rotating axes of the two bending rollers are perpendicular to the advancing direction of the plate and are defined as the y-axis direction, and the movement tracks of the two bending rollers are controlled by two control motors respectively. The axis bending change of the target component is realized by enabling the two axis bending forming rollers to generate certain displacement change; the method is a matched process parameter analysis method of a multi-roller-based non-closed section profile ...

Anti-drop method for screw pump oil extraction pipe column

The invention discloses an anti-drop method for a screw pump oil extraction pipe column. An anchoring device and an anti-drop device are mounted below a screw pump; the anchoring device and anti-drop device are of the same structure; an inner pipe and a long track on the anti-drop device are longer than an inner pipe and a long track on the anchoring device; when the screw pump oil extraction pipe column is lifted or lowered, the track dowels on the anchoring device and anti-drop device are simultaneously switched to the long tracks; the anchoring device is anchored while the anti-drop deviceis not anchored; when the screw pump oil extraction pipe column falls after the anchoring device fails, the long track on the anti-drop device falls at the same time with the screw pump oil extraction pipe column; a friction device on the anti-drop device contacts with a slip assembly so that a slip assembly on the anti-drop device is released; the slip assembly on the anti-drop device is opened by ...

Intelligent seat supervision system

The invention provides an intelligent seat supervision system, and relates to the technical field of artificial intelligence, and the system comprises the steps: building a seat conversation between a seat person and a user; in the process of seat conversation between each seat person and the user, conversation voices between the seat person and the user are obtained in real time, and the conversation voices are converted into conversation texts; performing continuous processing according to the dialogue voice and the dialogue text to obtain a satisfaction evaluation score of each seat dialogue; in the seat conversation process, opening a supervision help-seeking permission for the corresponding seat personnel when the satisfaction degree evaluation score is judged to meet a first supervision condition, and opening a supervision help-seeking permission for the corresponding seat personnel when the satisfaction degree evaluation score is judged to meet a second supervision condition and ...

High -voltage line de -icer

The utility model provides a deicing technique is three kinds as follows mainly: that the de -icer of high -voltage line, the problem that solve is current machinery deicing method, heating power ice -melt method and passive deicing method. Nevertheless there is the operating difficulties in these three kinds of deicing methods, and it is great consume energy, shortcoming such as technological immature, the utility model provides a running gear front end has set gradually runout mechanism and drive hammer mechanism, drive hammer mechanism strikes the pole and adjusts the rack including the formula of clamp, adjusts the rack both ends and is provided with adjusting bolt and one -way spring respectively, and the other end of one -way spring is together fixed with the slider that sets up on the pole is struck to the formula of clamp, runout mechanism is including triangle -shaped connecting rod, active wheel, supporting wheel and the traction wheel of taking a stabilizer blade, the active ...

Vehicle video collision event recorder

A vehicle video collision event recorder includes a vehicle video collision event recorder includes a control module for accepting at least one decoded engine performance data and at least one processed video signal, a video mixer for processing at least one video signal, at least one video camera for providing the at least one video signal, a decoder for decoding at least one engine performance data from an on-board diagnostic system, a collision sensor coupled to the control module, and a storage device for storing an output signal representative of the decoded engine performance data and the processed video signal.

Active oxygen response bionic nano-carrier system, preparation method and application

The invention belongs to the field of biological medicine, and particularly relates to an active oxygen response bionic nano-carrier system, a preparation method and application, the active oxygen response bionic nano-carrier system provided by the invention is of a core-shell structure, an inner core is a nano-inner core loaded with hydrophobic oxaliplatin and/or chlorin e6, a shell is a cell membrane, and the cell membrane is a porous membrane. After the active oxygen response bionic nano-carrier enters a body, due to the fact that the surface of the active oxygen response bionic nano-carrier is provided with a red-cancer cell fusion membrane coating, the circulation time of the active oxygen response bionic nano-carrier in the body can be prolonged, the active oxygen response bionic nano-carrier is homologous targeted to a tumor site and is further endocytosed and ingested by tumor cells, and under irradiation of 660 nm infrared light, the photosensitizer Ce6 generates active oxygen ...

Lightweight flexible crystalline silicon solar cell module

The invention discloses a light flexible crystalline silicon solar cell module, and relates to the technical field of solar cells. The device comprises a first adjusting mechanism, a mounting frame is rotatably mounted at the top end of the first adjusting mechanism, a light flexible crystalline silicon solar cell panel carrier is detachably arranged in an inner cavity of the mounting frame, and limiting mechanisms used in cooperation with the light flexible crystalline silicon solar cell panel carrier are arranged at the two ends of the mounting frame. The limiting mechanism is of a symmetrical structure, and the first adjusting mechanism is provided with a second adjusting mechanism used in cooperation with the mounting frame. Through arrangement and use of the first adjusting mechanism, convenience is provided for horizontal rotation of the light flexible crystalline silicon solar cell panel carrier, so that convenience is provided for horizontal rotation of the light flexible crystalline ...

Batch detector methods and apparatus of power amplifier

Pressurized water injection device

The invention relates to a pressurized water injection device. The device comprises a small double tee, an upper flange, a large double tee, a lower flange and sleeves which are sequentially connected, wherein a hanger is arranged in the large double tee; one side of the small double tee is provided with a liquid inlet valve, while the other side is provided with a liquid outlet valve; a pressurerelief pipe is arranged on a lower part of a sealer; the pressure relief pipe is communicated with a lower inner part of the sealer; an upper part of a booster pump cylinder is connected with the hanger so that the booster pump cylinder is hung on the large double tee; the upper part of an internal pump cylinder is connected with the lower part of the hanger; a polished rod passes through the sealer; the lower part of the polished rod is connected with a pressurizing plunger which is positioned in the booster pump cylinder; the polished rod is in matched seal with the internal pump cylinder; and ...

Device for measuring drawing and bulging heights of test sheet and test method

The invention provides a device for measuring drawing and bulging heights of a test sheet. The device comprises an upper mold structure, a lower mold structure, a reciprocating displacement sensor (4), a photosensitive element (5) and a photosensitive element mounting plate (6); the upper mold structure comprises an upper mold seat (1), an upper pressing insert (8) and a guiding plate (9); and thelower mold structure comprises a lower mold seat (2), a convex mold bottom plate (3), a guiding column (7), a semi-spherical convex mold (10), positioning devices (11), a lower pressing insert (12),a stroke limiting block (13) and a pulling rod baffle (14). According to the device, drawing and bulging tests are integrated in one mold, so that the test cost is reduced, and the test efficiency isimproved; and the photosensitive element and the displacement sensor are mounted in the mold structure, so that the material cracking points can be judged accurately, the accurate sheet drawing and bulging ...

Spurt-prevention filling valve of defueling pump

The invention relates to a blowout-prevention filling valve of a defueling pump A suspension joint, a valve block and an inner sealing member are connected in sequence, an outer sealing member is arranged at the lower part, wherein the outer circular surface of the inner sealing member and the inner circular surface of the outer sealing member are in an interference fit, the suspension joint is suspended on the outer tube, the upper part of the suspension joint is milled into strip-shaped bodies, the suspension surface of the suspension joint is an outer conical surface, the suspension surface of the outer tube is an inner conical surface, the outer conical surface is suspended on the inner conical surface, a release sleeve is installed in an inner hole at the upper end of the suspension joint to restrain each strip-shaped body at the upper part of the suspension joint, the release sleeve is fixed on the suspension joint by pins, a plug is installed in the outer sealing member, is matched ...

Pressurizing and pushing device of sleeve pipe

The invention relates to a pressurizing and pushing device of a sleeve pipe. In the pressurizing and pushing device, an upper connector is connected with the upper part of an outer barrel, the lower part of the outer barrel is connected with a lower connector, a lane liquid-transmitting connector is installed in the outer barrel, the lower part of the lane liquid-transmitting connector is connected with a cylinder sleeve, a large piston is installed in the cylinder sleeve, a small piston is installed in the lower connector, a large piston seal ring is installed between the large piston and the cylinder sleeve, a small piston seal ring is installed between the small piston and the lower connector, the outer barrel is provided with an inlet hole, the lane liquid-transmitting connector is provided with a radial hole, a channel and a vertical communication hole, the lower part of the large piston is provided with a hollow cavity, and an annular channel is arranged between the cylinder sleeve ...

High-temperature-resistant equipment for welding

The invention discloses high-temperature-resistant equipment for welding, and relates to the technical field of high-temperature welding, the high-temperature-resistant equipment for welding comprises a base frame and a through pipe, an air storage tank is fixedly mounted at the top of the base frame, and the air storage tank comprises a main tank body, a pressure gauge, a safety protection device, an air inlet and an air outlet. According to the high-temperature-resistant equipment for welding, the connecting assembly is arranged, a left flange plate and a right flange plate are fixedly connected through a fastening bolt, primary connection and fixation of a barometer and a first polytetrafluoroethylene hard pipe are achieved, then air in a hollow convex connecting piece and a hollow concave connecting piece is extracted through an air extracting pump, and the interiors of the hollow convex connecting piece and the hollow concave connecting piece are vacuumized; by means of the air pressure ...

But drill bushing pipe pastes stifled pipe

The utility model provides a flat size external screw thread of upper portion processing that but drill bushing pipe pastes stifled pipe, at the outside processing helicla flute of body, body one section last cylindrical section that is less than the end footpath of flat size external screw thread of upper portion processing of flat size external screw thread, one section lower cylindrical section that equals the external diameter of flat size external screw thread of the lower part of flat size external screw thread processing, the poor platform that forms of diameter between lower cylindrical section and the body, the flat size internal thread of lower part processing of body, flat size external screw thread with flat size internal thread knot type is the same, and the structure size equals, the stomidium diameter of body lower part is greater than the diameter of cylindrical section down, and the degree of depth of the stomidium of body lower part is greater than the length of cylindrical ...

Remote controller storage box

Classification compiling method supporting several persons to online compile XBRL

The invention discloses a classification compiling method supporting several persons to online compile XBRL. The classification compiling method comprises the specific achieving processes that an enterprise classification standard mode file is established; an enterprise classification standard element library is established; an enterprise classification standard expansion chained character library is defined; a definition chained library, a report chained library and a calculation chained library are compiled according to report compiling rule requirement; a compiled enterprise classification standard is checked, and the positions where the enterprise classification standard is not standard are corrected; the enterprise classification standard which is checked to be correct is exported, and the enterprise expansion classification standard is formed. Compared with the prior art, the classification compiling method supporting the several persons to online compile the XBRL has the advantages ...

Built-in oil well pump plunger for upward-traveling valves

The invention provides a built-in oil well pump plunger for upward-traveling valves. An upper oil-outlet joint is in threaded connection with the upper part of an equal-diameter plunger; a traveling valve ball seat is on an upper port of a traveling valve seat; a valve ball cavity and a valve seat hole are arranged under a thread of the upper part of the equal-diameter plunger; the traveling valve seat is fixedly arranged in the valve seat hole; a traveling valve ball is positioned in the valve ball cavity; and the lower part of the upper oil-outlet joint is provided with a block cover. The traveling valve seat and the valve seat hole in the equal-diameter plunger are in interference fit which plays a role in sealing and fixing, or the traveling valve seat and the equal-diameter plunger are connected and fixed through threads, and the lower end face of the traveling valve seat is a sealing surface. As the valve ball cavity is arranged in the equal-diameter plunger, no traveling valve cover ...

Safe shoulder pad

The utility model discloses a safe shoulder pad, including the shoulder pad body, the cross -section of looking sideways at of shoulder pad body is falling " U " shape structure, and the preceding terminal surface middle part of shoulder pad body is equipped with set entry, and this internal both ends position department that lies in of shoulder pad is equipped with the baldric, and the one end of baldric is fixed in the preceding terminal surface inboard of shoulder pad body, the other end cassette tape device B that wraparound downwards to preceding terminal surface was established behind the cassette tape device A that the rear end face of placing the shoulder pad body in was established to stretch out the shoulder pad body, the top of baldric is less than the top of shoulder pad body, the shoulder pad body lies in set entrance and is equipped with the tension band, and the position department that shoulder pad body top lies in set entry is equipped with set neck mouth. According to ...

XBRL (extensible business reporting language) report writing method meeting requirement for multi-specification submission

The invention discloses an XBRL (extensible business reporting language) report writing method meeting the requirement for multi-specification submission. The method includes: creating a uniform XBRL element base; creating uniform classification standards; creating uniform equations; based on the uniform classification standards, creating enterprise report and user report forms, and allowing automatic conversion of the classification standards to the user report forms; creating a filling task, according to the specific filling requirements for enterprise reports, freely combining the report forms to form the filling task; filling reports; generating XBRL reports, allowing a system to automatically extract instance documents from XRBRL report data according to the element base and the classification standard configuration, and selecting whether or not to automatically generate the classification standards of submitter entities as required. Compared with the prior art, the method has the ...

Robot task scheduling method, system, equipment and medium

The invention belongs to the field of computers, and particularly relates to a robot task scheduling method, system and device and a readable storage medium. The method comprises the steps of determining a process task executed by a robot and creating a scheduling task based on the process task; in response to completion of establishment of the scheduling task, establishing a robot cluster for executing the scheduling task based on the scheduling task; and distributing the process task in the scheduling task to the corresponding robot in the robot cluster according to a predetermined mode for execution. By means of the robot task scheduling method, it can be effectively guaranteed that the process tasks distributed by the robot are normally and orderly completed, meanwhile, the situation that multiple tasks are blocked in the same robot and are not executed in time is avoided, and the task execution efficiency is improved to a certain degree.

Generation system of enterprise virtual assistant

The invention provides an enterprise virtual assistant generation system, which relates to the technical field of artificial intelligence, and comprises the following steps: creating an enterprise virtual assistant according to basic attribute information input by a user; configuring a question and answer pair database and an intention dialogue database for the virtual assistant according to the question and answer pairs added by the user and slot positions marked on a preset intention dialogue template by the user; issuing and configuring an enterprise virtual assistant and docking with a third-party platform; when an enterprise virtual assistant receives a user question input through a third-party platform and identifies that the user question is a dialogue question, the enterprise virtual assistant calls a question-answer retrieval engine to match in a question-answer pair database to obtain a question-answer pair and give an answer; and when identifying that the user question is an ...

Special pump oil filter for vacuum pump

The invention discloses a special pump oil filter for a vacuum pump, and belongs to the field of vacuum pump equipment. An oil pumping filter special for a vacuum pump comprises an oil pumping filter device, a cylinder is arranged on the oil pumping filter device, and a discharge port and an access port are formed in the two side edges of the cylinder respectively. According to the pump oil filtering device, the first filtering assembly, the second filtering assembly and the annular filter are sequentially arranged in the cylinder on the pump oil filtering device from bottom to top, so that pump oil discharged from inside to outside of the vacuum pump body is filtered for multiple times, and the filtering effect of the pump oil filtering device during single-time circulating filtering is improved; through cooperation of the detection device arranged in the annular filter and the warning lamp and the buzzer on the warning device, an operator can be reminded of the current filtering effect ...

Anti-cancer powder

Chinese medicine prescription "shangganning" for treatment of infection of the upper respiratory tract

The Chinese patent medicine "Shangganning" for curing cyndrome of upper respiratory tract infection with total effective rate of 98% is prepared from scutellaria root, baked almond, lepidium seed, platycodon root, gypsum and liquorice root. Its curative effect is higher than that of existing similar medicines. It may be made into pills or oral liquid.

Safety protection steel structure device on beam

The invention relates to the technical field of safety protection devices, in particular to an on-beam safety protection steel structure device which comprises a steel frame device and an I-shaped steel beam provided with the steel frame device, and the steel frame device comprises a steel frame, a mounting bottom plate, an L-shaped plate, a piston plate, a movable clamping block, a threaded rod, a connecting plate frame and a connecting rod. A mounting bottom plate is fixedly arranged at the lower end of the steel frame, two first adsorption cavities are symmetrically formed in the lower end face of the mounting bottom plate, the mounting bottom plate is fixedly arranged at the lower end of the steel frame, and a traditional mounting mode of the steel frame can be changed by arranging the mounting bottom plate and a movable clamping block, namely, the first adsorption cavities are formed in the mounting bottom plate; and a second adsorption inner cavity is formed in the movable clamping ...

Styptic powder

The medicinal powder selects traditional Chinese medicines ophicalcite, tuber of hyacinth bletilla, pseudo ginseng powder and calamine as raw material, in which ophicalcite and calamine are separately roasted, quenching by vinegar, grinding into powder and refined with water, tuber of hyacinth bletilla is processed through baking to dry, grinding into powder and sieving, then the above mentioned selected materials are mixed with pseudo ginseng powder thoroughly, and is finished through sterilizing. The proportions are ophicalcite:tuber of hyacinth bletilla:pseudo ginseng powder:calamine=40:30:20:10. It can stop bleeding and pain for internal and external injuries.

XBRL (extensible business reporting language) reporting data-based system and XBRL reporting data-based method for constructing business intelligence industry analysis cloud

The invention relates to the field of XBRL (extensible business reporting language), the cloud computing technology and the business intelligence technology, in particular to an XBRL reporting data-based system and an XBRL reporting data-based method for constructing a business intelligence industry analysis cloud. According to the system and the method provided by the invention, by adopting the advanced cloud computing and business intelligence technology, mass of unstructured and semi-structured XBRL reporting data are loaded, arranged and computed by adopting data mining and analysis method of business intelligence to form an industry data center, and industry data analysis modeling is performed; critical data with potential value are extracted from the industry data center to provide a data platform and services of PaaS (platform as a service) and SaaS (software as a service) layer for enterprises to make a business decision and governmental agencies to make an economic decision.

From filler pumpingh well polished rod sealing ware

The utility model provides a from filler pumpingh well polished rod sealing ware, the toper sealing member is placed in the connecting pipe, insert in the upper portion of connecting pipe the lower part of packing box, it can not the relative rotation between packing box and the connecting pipe to make, push down the cap sleeve outside the packing box, the thread connection on its internal thread and connecting pipe upper portion, the upper end internal diameter that pushes down the cap is less than the boss external diameter of packing box, there is the packing cavity in the packing box, place the filler driving body in the upper portion of packing box, on press cap sleeve dress outside the filler driving body, the thread connection on its internal thread and packing box upper portion, the filler driving body can only the rotation drunkenness from top to bottom, the bottom surface of filler driving body sets up the helicoid, there is the shape of vertical stroke to lead to the groove on ...

Spurt-prevention filling valve of defueling pump

The invention relates to a blowout-prevention filling valve of a defueling pump A suspension joint, a valve block and an inner sealing member are connected in sequence, an outer sealing member is arranged at the lower part, wherein the outer circular surface of the inner sealing member and the inner circular surface of the outer sealing member are in an interference fit, the suspension joint is suspended on the outer tube, the upper part of the suspension joint is milled into strip-shaped bodies, the suspension surface of the suspension joint is an outer conical surface, the suspension surface of the outer tube is an inner conical surface, the outer conical surface is suspended on the inner conical surface, a release sleeve is installed in an inner hole at the upper end of the suspension joint to restrain each strip-shaped body at the upper part of the suspension joint, the release sleeve is fixed on the suspension joint by pins, a plug is installed in the outer sealing member, is matched ...

A prevent flatulence device for feeding bottle

A prevent flatulence device for feeding bottle, including admit air seat and the gentle cushion that is top open structure, the seat that admits air is installed in gentle cushion, it outwards is equipped with the clamping ring to admit air an up end edge, gentle cushion up end edge outwards is equipped with down the clamping ring, go up the clamping ring and radially seted up the inlet port, upward the clamping ring inlays in inlet port inner wall periphery and is equipped with the rigidity protective layer, admit air and seted up vertical airflow channel along upper and lower direction on the lateral wall, it has seted up annular airflow channel to admit air foot stall portion, it radially sets up respectively the horizontal airflow channel who is connected with vertical airflow channel and annular airflow channel to admit air foot stall portion. The utility model discloses all be equipped with the rigidity protective layer 3 inlet ports around, ventilation function existing fine like ...

Multi-source heterogeneous lake and reservoir integrated data processing method, equipment and medium

The invention discloses a multi-source heterogeneous lake and warehouse integrated data processing method, equipment and a medium, belongs to the technical field of data integrated management, and aims to solve the problems that a data warehouse and a data lake cannot be well integrated in an existing lake and warehouse integration technology, each link is relatively independent, and the data warehouse and the data lake cannot be well integrated. And the lake and cabin integrated system is difficult to really realize. The method comprises the following steps: performing Flink cluster configuration on a data warehouse and a data lake to obtain a lake-warehouse integrated system; the method comprises the following steps: performing classification configuration acquisition on business data according to a lake and warehouse integrated system to obtain batch acquisition data and real-time acquisition data; according to an Flink cluster configured by the lake-warehouse integrated system, performing ...

Novel safe shoulder pad

The utility model discloses a novel safe shoulder pad, including the shoulder pad body, the cross -section of looking sideways at of shoulder pad body is falling " U " shape structure, and the preceding terminal surface middle part of shoulder pad body is equipped with set entry, and this internal both ends position department that lies in of shoulder pad is equipped with the baldric, and the one end of baldric is fixed in the preceding terminal surface inboard of shoulder pad body, the other end cassette tape device B that wraparound downwards to preceding terminal surface was established behind the cassette tape device A that the rear end face of placing the shoulder pad body in was established to stretch out the shoulder pad body, the top of baldric is less than the top of shoulder pad body, the shoulder pad body lies in set entrance and is equipped with the tension band, and the position department that shoulder pad body top lies in set entry is equipped with set neck mouth, the rear ...

Locking device capable of preventing misoperation locking

The invention relates to the technical field of locking devices, and discloses an anti-misoperation locking locking device which comprises a locking unit, a pushing unit and an operating unit, the locking unit comprises a limiting column, a first limiting groove is formed in the limiting column in a penetrating mode in the horizontal direction, and a second limiting groove is formed in the limiting column in a penetrating mode in the vertical direction; a locking column is arranged in a manner of penetrating through the first limiting groove; and the pushing unit comprises a pushing piece which is connected with the locking column and can change the horizontal position of the locking column, and the pushing piece is connected with a first rotating rod penetrating through the second limiting groove. According to the high-voltage switch cabinet locking device, the locking unit is driven to move through rotation of the operation unit, the basic locking function is achieved, when the device ...

High-energy-density iron-based sulfide film electrode and preparation method thereof

The invention relates to a high-energy-density iron-based sulfide thin film electrode and a preparation method thereof, and belongs to the technical field of electrode materials, and the preparation method mainly comprises the following steps: carrying out ultrasonic pretreatment on the surface of a porous iron substrate to remove impurities, mixing metal alkali, alkali metal sulfide, citrate and deionized water to prepare a reaction solution, and immersing the porous iron substrate into the reaction liquid for hydrothermal treatment, so that the surface of the porous iron substrate is subjected to in-situ growth reaction, and the iron-based sulfide film electrode material which is erected on the surface of the porous iron substrate and is of a cross-linked nanosheet structure can be obtained. The preparation method has the advantages of easily available raw materials, simple operation, low production cost and high material energy storage activity, and is suitable for large-scale energy ...

Releasing packer well-washing device

The invention discloses a releasing packer well-washing device, wherein a well-washing check valve is connected with a common eccentric buckle at the upper part of a diversion joint, a circular arc buckle on a guider is buckled at the outer wall of the well-washing check valve, a connecting pipe sleeves the guider, an eccentric passageway is always opposite to a right-side vertical passageway, the lower part of the connecting pipe is in large screw connection with the upper part of the diversion joint, the lower part of the diversion joint is connected with a releasing packet, the upper part of the connecting pipe is connected with an oil pipe, well-washing fluid flows upwards out of a radial passageway during well washing so as to wash away impurities, a seat packing valve ball with the diameter smaller than those of the eccentric passageway and the right-side vertical passageway is thrown in during packing and is guided to the eccentric passageway and the right-side vertical passageway ...

Device for machining axial oil hole of grinding roll shaft of vertical mill

The invention relates to a device for machining an axial oil hole of a grinding roll shaft of a vertical mill, which comprises a support platform, a left support plate, a right support plate, a spiral translation mechanism, a support fixing device and alignment devices, wherein spiral translation mechanism comprises a motor and a speed reducer connected with the motor; the speed reducer is connected with screws arranged in a front bearing base and a rear bearing base by shaft couplers; nuts matched with the screws are arranged on the screws; a slide plate is fixed on the nuts; the support fixing device comprises a left V-shaped base and a right V-shaped base which are fixed on the slide plate respectively; a left pressing plate is arranged on the left V-shaped base, a right pressing plate is arranged on the right V-shaped base, and the screws for fixing the left pressing plate and the right pressing plate on the slide plate are arranged on the left pressing plate and the right pressing ...

Anti-cancer powder

The present invention makes the traditional Chinese medicines leech, ground beetle, pangolin and deglued antler powder into powder separately, the ginseng and turtle shell into concentrated liquid, the root of membranous milk vetch, rhizome of atractylodes macrocephala, poria, stir-baked coix seed, root of red-rooted salvia, Chinese angelica, ligusticum wallichii, prepared rhizome of rehmannia, oldenlandia, barbat skullcap, akebia fruit, rhizome of paris, hairyvein agrimony, fruit of medicinal cornel, morinda root, safflower, rhizoma zedoaria, calcinedark shell, kelp and licorice root into mixed concentrated liquid which is then dissolved by alcohol, then adding medical starch and sugar, then combined with the above mentioned four kinds of powder to make into the medicine which has curative effects for curing and preventing cancer.

Cylindrical driven clamping type piezoelectric wriggle linear motor

The invention relates to a piezoelectric drive device, in particular to a cylindrical driven clamping type piezoelectric wriggle linear motor to solve the problems that an existing drive clamping type wriggle motor cannot be powered off or self-locked and is not suitable for a compact, thin and long motion mechanism, and a driven clamping type wriggle motor is large in axial size and low in concentricity and control precision and needs an independent guide mechanism. The cylindrical driven clamping type piezoelectric wriggle linear motor comprises a guide rail, a drive mechanism, two annular gaskets and two sets of clamping mechanisms. The drive mechanism comprises a drive sleeve, a first piezoelectric stack and two clipping bodies. Each set of clamping mechanism comprises a clamping body, three second piezoelectric stacks and three flexible bodies. The middle of the drive sleeve is provided with the first piezoelectric stack, the clipping bodies, the gaskets and the clamping bodies are ...

Switch valve of oil-well pump of oil well

The invention relates to a switch valve of an oil-well pump of an oil well, which comprises a valve bonnet, a valve ball, a valve seat and a valve seat joint, wherein a valve ball seat is arranged at the upper port of the valve seat, the valve bonnet and the valve seat joint are connected by screw threads, the valve seat is installed in an upper hole of the valve seat joint, the valve seat and the upper hole of the valve seat joint are in interference fit, and the interference fit acts as the functions of sealing and fixing the valve seat. The valve bonnet and the valve seat joint are connected by tubing threads. The valve seat and the upper hole of the valve seat joint are in the interference fit, an interference fit face acts as the functions of sealing and fixing the valve seat without sealing an end face, the problem of leakage of the end face of the valve seat does not exist, the technical requirement of the end face to the valve bonnet, the valve seat and the valve seat joint does ...

Quick switching mechanism of frock

Quick switching mechanism of frock relates to the mechanical weldment work of trade robot and stands with appurtenance's design technical field, including two switching mechanism bodies, body connecting seat, four anchor clamps coupling assembling, be equipped with the solenoid valve at body connecting seat medial surface, set up first locating piece respectively on the body connecting seat of solenoid valve both sides, be equipped with the switch support on first locating piece, set up the switch on the switch support. The utility model discloses coupling assembling is installed to the anchor clamps that externally will switch earlier, in impeing coupling assembling switching mechanism by the workman along the guide block again, then it is ejecting locating pin and locating piece by the jack -up cylinder to press the switch, locating pin and locating piece lower part are gone into to the slider card to the slider cylinder, the jack -up cylinder loses heart, anchor clamps are supported ...

Batch detector methods and apparatus of power amplifier

The present invention discloses a batch detecting method and a device for a power amplifier. The present invention comprises a power shunt module, a high power attenuator module, a power detection module and a control circuit module. The power shunt module is used for shunting a radio frequency signal generated by a radio frequency signal source and sending the radio frequency signal respectively to a plurality of power amplifiers waiting to be tested as the input signal of the power amplifier. The high power attenuator module is used for decaying a multi-way signal exported by a plurality of power amplifier waiting to be tested and obtaining a multi-way detecting signal. The power detection module is used for coupling respectively the multi-way detecting signal and detecting a power value. The control circuit module is used for adjusting the input signal of the power amplifier, reading the power detecting value and saving the power detecting value. The method and the device provided by ...

Method for grasping data from unstructured financial report based on XBRL technology

The invention discloses a method for grasping data from an unstructured financial report based on an XBRL technology. The method comprises the specific implementation steps that an XBRL classification standard serves as a financial report model, and extension markup is carried out on classification standard elements and an ELR; the Word or Excel financial report of an unstructured format is used, a rule for analyzing a financial sheet in a sheet mode is preset, and correspondence relation mapping from sheet data to the XBRL classification standard report model is achieved; for two special dimensions of a report body and time, the financial report is matched through special key words, and automatic conversion from the sheet data to the XBRL data is achieved on the basis of the corresponding relation. Compared with the prior art, the method for grasping data from the unstructured financial report based on the XBRL technology rapidly converts a large number of existing unstructured financial ...

Remote controller storage box

The invention relates to a remote controller holding box which includes a connecting plate connected with a fixing object, a concave groove formed on the connecting plate, a groove cover arranged on opening part of the concave groove and used for closing the opening, and a remote controller seat arranged on one side surface of the groove cover facing the concave groove and used for arranging a remote controller thereon. The remote controller seat includes tow support frames separated from each other. Each support frame includes a bottom plate having an end part connected with the groove cover, and a second side plate arranged on the bottom plate. A bottom gap is formed between the bottom plates of the two support frames, and a side gap is formed between the second plate of the two support frames. When the groove cover is closed, a remote controller is completely held in the concave groove to prevent lost and proof dust. When the groove cover is opened, the remote controller is arranged ...

TOUCH DISPLAY PANEL AND DISPLAY DEVICE

The present disclosure provides a touch display panel and a display device. The touch display panel includes a display substrate, a touch circuit on a side of a light emergent surface of the display substrate and a first optical adhesive between the display substrate and the touch circuit, wherein a rough contact surface exists on a part, located in a frame region, of the first optical adhesive; the touch circuit includes: a plurality of touch traces insulated from one another and located in the frame region; each of the touch traces is arranged to be stacked, and an orthographic projection of each of the touch traces on the display substrate covers an orthographic projection of a part, located in the frame region, of the first optical adhesive on the display substrate. 1. A touch display panel , comprising:a display substrate, a touch circuit on a side of a light emergent surface of the display substrate, and a first optical adhesive between the display substrate and the touch circuit, wherein a rough contact surface existing on a part, in a frame region, of the first optical adhesive, and the touch circuit comprises a plurality of touch traces insulated from one another and located in the frame region; andeach of the touch traces is arranged to be stacked, and an orthographic projection of each of the touch traces on the display substrate covers an orthographic projection of a part, located in the frame region, of the first optical adhesive on the display substrate.2. The touch display panel according to claim 1 , wherein the touch traces are respectively located on two layers.3. The touch display panel according to claim 2 , wherein each of the touch traces on the first layer is in each of gaps among the touch traces on the second layer.4. The touch display panel according to claim 2 , wherein an orthographic projection of each of the touch traces on the first layer on the display substrate is provided with a region overlapped with an orthographic projection of ...

DISPLAY PANEL, MANUFACTURING METHOD THEREOF AND DISPLAY APPARATUS

The embodiments of the present disclosure relate to a display panel. The display panel may include an array substrate having a display surface and a back surface opposite the display surface; a fingerprint recognition device on a side of the back surface of the array substrate; and a connection portion between the array substrate and the fingerprint recognition device. The connection portion may have a first surface and a second surface opposite the first surface. A surface of the fingerprint recognition device facing the back surface of the array substrate may be a convex-concave surface comprising a concave surface and a convex surface, and there is a gap between the convex surface and the back surface. 1. A display panel , comprising:an array substrate having a display surface and a back surface opposite the display surface;a fingerprint recognition device on a side of the back surface of the array substrate; anda connection portion between the array substrate and the fingerprint recognition device, the connection portion having a first surface and a second surface opposite the first surface,wherein a surface of the fingerprint recognition device facing the back surface of the array substrate is a convex-concave surface comprising a concave surface and a convex surface, and there is a gap between the convex surface and the back surface.2. The display panel according to claim 1 , wherein the fingerprint recognition device comprises:a mounting substrate; anda fingerprint recognition unit,wherein a surface of the mounting substrate facing the back surface of the array substrate comprises a fingerprint recognition area and a non-recognition area, the non-recognition area is the concave surface of the concave-convex surface, the fingerprint recognition unit is on the fingerprint recognition area, and a surface of the fingerprint recognition unit facing the back surface of the array substrate is the convex surface of the concave-convex surface.3. The display panel ...

Display panel, manufacturing method thereof and display apparatus

The embodiments of the present disclosure relate to a display panel. The display panel may include an array substrate having a display surface and a back surface opposite the display surface; a fingerprint recognition device on a side of the back surface of the array substrate; and a connection portion between the array substrate and the fingerprint recognition device. The connection portion may have a first surface and a second surface opposite the first surface. A surface of the fingerprint recognition device facing the back surface of the array substrate may be a convex-concave surface comprising a concave surface and a convex surface, and there is a gap between the convex surface and the back surface.

Display panel, detection method and display device

The present application provides a display panel, a. manufacturing method, a detection method, and a display device. The display panel includes a display area and a non-display area surrounding the display area. The non-display area includes: a crack detection line surrounding the display area; a screen control line; a plurality of switch signal lines; and a plurality of detection switches electrically connected at different positions to the crack detection line. Each detection switch is also connected to the screen control line and a respective switch signal line, and allows conduction between the crack detection line and the screen control line based on the switch signal input by the switch signal line, such that the screen control line drives the display panel to display according to the test signal input by the crack detection line.

Touch display panel and display device

The present disclosure provides a touch display panel and a display device. The touch display panel includes a display substrate, a touch circuit on a side of a light emergent surface of the display substrate and a first optical adhesive between the display substrate and the touch circuit, wherein a rough contact surface exists on a part, located in a frame region, of the first optical adhesive; the touch circuit includes: a plurality of touch traces insulated from one another and located in the frame region; each of the touch traces is arranged to be stacked, and an orthographic projection of each of the touch traces on the display substrate covers an orthographic projection of a part, located in the frame region, of the first optical adhesive on the display substrate.