Patent ID: 9087997
Filing Date: 2015-07-21
Classification: C07D,H01L

Abstract:
1. An organic electroluminescence device which comprises one or more organic thin film layers including at least one light emitting layer sandwiched between a cathode and an anode, wherein at least one of the organic thin film layers is a hole transporting layer and at least one of the organic thin film layers is a hole injecting layer; wherein the hole transporting layer comprises at least one aromatic amine compound represented by formula (1): wherein Ar wherein R a represents an integer of 0 to 4; b represents an integer of 0 to 3; c represents an integer of 1 to 3; plural R Ar Ar wherein R e and f each independently represents an integer of 0 to 4, g represents an integer of 0 to 5; and two R Ar wherein the hole injecting layer comprises a compound represented by the following formula: wherein R