Patent ID: 6808826
Filing Date: 2004-10-26
Classification: C09K,H01L,Y10S

Abstract:
A blue electroluminescence compound for an electroluminescence display device comprising a spirobifluorene represented in a following formula 1: wherein the Ar is a functional group selected from the group consisting of an aryl group having 6 to 20 carbons, an aryl group of 6 to 20 carbons having a 1 to 20 alkyl functional group, and an aryl group of 6 to 20 carbons having a 1 to 20 alkoxy group, and the R1 and R2 each is a functional group selected from the group consisting of an alkyl group having 1 to 20 carbons, an aryl group of 6 to 20 carbons having an alkyl group of 1 to 20 carbons, and an aryl group of 6 to 20 carbons having an alkoxy group of 1 to 20 carbons.