Patent ID: 6743948
Filing Date: 2004-06-01
Classification: B01J,C07C,C09B,C09K,H01L,H05B,Y10S

Abstract:
A material for an organic electroluminescence device represented by following general formula (5): â€ƒwherein B represents a substituted or unsubstituted arylene group having 6 to 60 carbon atoms, with the proviso that the relationship of a+b>0 is given when the number of carbon atoms of B is 26 or less, X1 and X2 each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X1 and X2 may be bonded to each other, Y1 and Y2 each independently represent an organic group represented by general formula (2), a and b each represent an integer of 0 to 2; general formula (2) being: â€ƒwherein R1 to R4 are each independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, cyano group or form a triple bond by a linkage of R1 and R2 or R3 and R4, Z represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms and n represents 0 or 1.