Patent ID: 6410167
Filing Date: 2002-06-25
Classification: C09K,H01L,H05B,Y10S

Abstract:
An organic electroluminescent device comprising an organic layer having a luminescent region provided between an anode and a cathode, wherein said organic layer comprises, as an organic luminescent material, a distyryl compound of formula (1): whereinR1 and R4 are unsubstituted phenyl; R2 and R3 are each independently a group of formula (2): R9, R10, R11, R12 and R13 are independently selected from the group consisting of hydrogen, C2-C24 alkoxyl, and alkyl, wherein at least one of R9, R10, R11, R12 and R13 is an alkoxyl or alkyl, and provided R11 is C3-C24 alkoxyl when R2 and R3 are the same, and R9, R10, R12, and R13 are hydrogen; and R5, R6, R7 and R8 are independently selected from the group consisting of hydrogen, cyano, nitro, and halogen, wherein at least one of R5, R6, R7 and R8 is cyano, nitro, or halogen.