Patent ID: 8940414
Filing Date: 2015-01-27
Classification: C07D,C09B,C09K,H01L,H05B,Y10S

Abstract:
1. A biscarbazole derivative represented by a formula (1A) or (1B) below, wherein: A when A A X Y Y adjacent ones of Y p and q represent an integer of 1 to 4; r and s represent an integer of 1 to 3; when p and q are an integer of 2 to 4 and r and s are an integer of 2 to 3, a plurality of Y the alkyl group having 1 to 20 carbon atoms, alkoxy group having 1 to 20 carbon atoms, haloalkyl group having 1 to 20 carbon atoms, and alkylsilyl group having 1 to 10 carbon atoms for the substituent of A the alkyl group having 1 to 20 carbon atoms, alkoxy group having 1 to 20 carbon atoms, haloalkyl group having 1 to 20 carbon atoms, haloalkoxy group having 1 to 20 carbon atoms, and alkylsilyl group having 1 to 10 carbon atoms for Y