Patent ID: 9537111
Date: 2017-01-03
CPC Classifications: C07D,C09K,H01L,H05B

Claim:
1. An organic electroluminescence device, comprising: a cathode; an anode; and at least one organic thin film layer between the cathode and the anode; wherein the at least one organic thin film layer comprises a light emitting layer, an electron transporting layer between the light emitting layer and the cathode, and a hole blocking layer between the light emitting layer and the electron transporting layer, and wherein the hole blocking layer comprises; a compound of formula (1-1) or formula (1-2): wherein in formula (1-1): wherein in formulae (2-1), (3-1), (4-1), (5-1), and (6-1): wherein in formula (1-2): wherein in formulae (2-2), (3-2), (4-2), (5-2), and (6-2):