Patent ID: 8217392
Filing Date: 2012-07-10
Classification: H01L

Abstract:
1. An organic electroluminescence element, comprising: at least one pair of electrodes; at least one organic light-emitting layer disposed between the electrodes, the organic light-emitting layer comprising two phosphorescent light-emitting materials and a charge-transporting material, wherein the organic light-emitting element is a white organic light-emitting element, and the charge-transporting material is a hole-transporting material, and wherein one of the two phosphorescent light-emitting materials is a platinum complex expressed by the following general formula 1, and the other is an iridium complex expressed by any one of the following general formulae 2A to 2C: where L where n is an integer of 1 to 3; X—Y is a bidentate ligand; a ring A is a ring structure which may contain at least one selected from the group consisting of a nitrogen atom, a sulfur atom, and an oxygen atom; R