Patent ID: 11937504
Assignee: UDC IRELAND LIMITED
Field: Basic materials chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 16:
17. A compound of Formula (I), wherein
R1, R2, R3, R4, R5, R6, R7 and R8 each represents a hydrogen atom or a substituent selected from the group consisting of deuterium, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, a hetero-aryl group, an amino group, an alkoxyl group, an aryloxy group, a heterocyclic oxy group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an acyloxy group, an acylamino group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, a sulfonylamino group, a sulfamoyl group, a carbamoyl group, an alkylthio group, an arylthio group, a heterocyclic thio group, a sulfonyl group, a sulfinyl group, a ureido group, a phosphoric acid amido group, a hydroxyl group, a mercapto group, a halogen group, a cyano group, a sulfo group, a carboxyl group, a nitro group, a hydroxamic acid group, a sulfino group, a hydrazino group, an imino group, a heterocyclic group, a silyl group, a silyloxy group, and combinations thereof; wherein two contiguous substituents of R1 to R8 may be bonded to each other to form a condensed ring;
wherein at least one of R1 to R8 represents a carbazolyl group which may be further substituted;
R9 represents an alkyl group, an alkenyl group, an aryl group, a hetero-aryl group, or a silyl group, and each of which group may be substituted with a substituent; and
at least one of R1 to R9 represents a deuterium atom or a substituent containing a deuterium atom.