Organic electroluminescent device

Abstract

An organic electroluminescent device of the type comprises an organic layer 5, 5a or 5b having a luminescent region and provided between an anode 2 and a cathode 3. The organic layer contains a distyryl compound represented by the following general formula (1) Chemical Formula 1 1 wherein R1 and R4, respectively, represent an unsubstituted phenyl group, and R2 and R3, respectively, represent an aryl group of the following genera formula (2). 2 in which R9, R10, R11, R12 and R13may be the same or different and, respectively, represent a hydrogen atom provided that at least one of them is a saturated or unsaturated alkoxyl group having 2 or more carbon atoms or an alkyl group, and R5, R6, R7 and R8 may be the same or different and, respectively, represent a hydrogen atom provided that at least one of them represents a cyano group, a nitro group or a halogen atom such as F, Cl, Br or I.

Dependencies are inferred from the claim text.