Patent ID: 6800379
Filing Date: 2004-10-05
Classification: H01L,Y10S

Abstract:
A light-emitting device comprising a pair of electrodes and one or more organic layers disposed therebetween, wherein at least one of said organic layers comprises a compound represented by the following formula (2): wherein R1 represents a hydrogen atom or a methyl group; R4 represents a hydrogen atom or a substituent selected from the group consisting of alkyl groups, alkenyl groups, alkynyl groups, aryl groups, heterocyclic groups, alkylcarbonyl groups, arylcarbonyl groups, alkylsulfoflyl groups, arylsulfonyl groups, alicoxycarbonyl groups, aryloxycarbonyl groups, carbamoyl groups and sulfamoyl groups; R5 and R6 independently represent a substituent; p represents an integer of 1 to 4; q represents an integer of 1 to 3; A represents a comonomer unit; and k and n independently represent a mole fraction, k being 1 to 100 (%), n being 0 to 99 (%), and the sum of k and n is 100 (%), wherein a carbon atom to which R1 is attached is bonded to the 3- or 6-position of the carbazole ring in said compound represented by formula (2).