Patent ID: 8906521
Filing Date: 2014-12-09
Classification: C07D,H01L,Y10S

Abstract:
1. An organic electroluminescent device comprising an anode, organic layers containing a phosphorescent light-emitting layer, and a cathode piled one upon another on a substrate wherein the organic layer of the phosphorescent light-emitting layer comprises a triptycene derivative represented by general formula (1): wherein in general formula (1), A a, b, and c each is an integer of 0-2 and 0≦a+b+c≦3; and R wherein in formula (2), n is an integer of 0-1 and the sum of n's in general formula (1) is an integer of 1; L is a group derived from benzene, pyridine, or pyrimidine; and Ar