Patent ID: 9324954
Filing Date: 2016-04-26
CPC Classification: C07D,C09B,C09K,H01L,H05B,Y02E

Claim Text:
1. A compound of the formula (1) or formula (2), where the following applies to the symbols used: pym is a pyrimidine, which is optionally substituted by one or more radicals R; Cb is a carbazole derivative which contains at least 2 bridges, in which, in addition, one or more C atoms is optionally replaced by N and which is optionally substituted by one or more radicals R R, R R Ar is on each occurrence, identically or differently, an aromatic or heteroaromatic ring system having 5-30 aromatic ring atoms, which is optionally substituted by one or more non-aromatic radicals R R the following compounds are excluded from the invention: