Patent ID: 7357992
Filing Date: 2008-04-15
Classification: H01L,Y10S

Abstract:
1. An organic electroluminescent device comprising a light-emitting layer between a pair of electrodes, the light-emitting layer comprising a mixture of a hole-transporting material consisting of a tertiary amine compound, an electron-transporting material and a light-emitting additive material, in which said electron-transporting material has a glass transition temperature of at least 100° C., and said tertiary amine compound is a compound represented by the following formula (III): in which R wherein 1, m 1 , m 2 , n 1 and n 2 each is an integer of at least 1, x is an integer of at least 1, y is 0 or an integer of at least 1, and L 1 and L 2 independently represent an acene compound group, and R