Patent ID: 6680132
Filing Date: 2004-01-20
Classification: C07D,C09K,H01L,Y10S

Abstract:
An organic EL device, comprising an anode and a cathode, and at least one organic luminescent medium including a compound of the formula: wherein:R1 and R2 are individually alkyl of from 1 to 20 carbon atoms, aryl, substituted aryl, carbocyclic, heterocyclic, or substituted heterocyclic or R1 and R2 can be connected to form 5 or 6 membered rings which may be substituted or unsubstituted, and R3 and R4 are individually hydrogen, alkyl of from 1 to 10 carbon atoms, or a branched or unbranched 5 or 6 membered substituent ring connecting with R1, R2 respectively; and R5 and R6 are individually hydrogen, alkyl of from 1 to 20 carbon atoms; aryl or heteroaryl of from 5 to 24 carbon atoms, or R6 can be connected with R5 to form a branched or unbranched 5 or 6 membered carbocyclic ring.