21-11-2019 дата публикации
Номер: US20190355918A1
Принадлежит:
An organic electroluminescent device, which has a pair of electrodes and at least one organic layer including a luminescent layer between the pair of electrodes, wherein at least one layer between the pair of electrodes comprises at least one metal complex having a tridentate- or higher polydentate-chain structure ligand. 112.-. (canceled)14. The compound of claim 13 , wherein Yand Yeach independently represent a single bond claim 13 , a carbonyl-linking group claim 13 , an alkylene linking group claim 13 , or an alkenylene group.15. The compound of claim 13 , wherein Yrepresents a single bond claim 13 , a carbonyl-linking group claim 13 , an alkylene linking group claim 13 , or an alkenylene group.16. The compound of claim 13 , wherein at least one ring formed with Qor Qis a pyridine ring claim 13 , a pyrazine ring claim 13 , a pyrimidine ring claim 13 , a triazine ring claim 13 , an oxazole ring claim 13 , a pyrrole ring claim 13 , or a condensed ring thereof.17. The compound of claim 13 , wherein R claim 13 , R claim 13 , R claim 13 , and Reach represent an alkyl group claim 13 , an aryl group claim 13 , or a group that forms a condensed ring by forming a bond between Rand Ror by forming a bond between Rand R.18. The compound of claim 17 , wherein the condensed ring formed by Rand Ror Rand Ris a benzene ring or a pyridine ring.20. The organic electroluminescent device of claim 19 , wherein in the complex represented by formula (9) claim 19 , Yand Yeach independently represent a single bond claim 19 , a carbonyl-linking group claim 19 , an alkylene linking group claim 19 , or an alkenylene group.21. The organic electroluminescent device of claim 19 , wherein in the complex represented by formula (9) claim 19 , Yrepresents a single bond claim 19 , a carbonyl-linking group claim 19 , an alkylene linking group claim 19 , or an alkenylene group.22. The organic electroluminescent device of claim 19 , wherein in the complex represented by formula (9) claim 19 , at least ...
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