Patent ID: 8337999
Filing Date: 2012-12-25
Classification: C09K,H01L

Abstract:
1. An organic electroluminescent device comprising: a pair of electrodes; and at least one organic layer between the pair of electrodes, the at least one organic layer including a light-emitting layer, wherein the at least one organic layer includes at least one layer containing an indole derivative represented by formula (12), and the light-emitting layer includes a platinum complex phosphorescent material having a tetradentate ligand: wherein R and n 201 represents 2, wherein the platinum complex phosphorescent material is a compound represented by formula (2): wherein M wherein the aryl of said aryl group substituted with an electron attractive group is a phenyl group, wherein the electron attractive group is a fluorine atom, a cyano group, a fluorine-substituted alkyl group, or a fluorine-substituted aryl group, and wherein the 5-membered nitrogen-containing heterocyclic group is pyrrole, imidazole, pyrazole or triazole.