Abstract: An organic electroluminescent device of the type which comprises an organic layer having a luminescent region provided between an anode and a cathode, characterized in that the organic layer contains a distyryl compound represented by the following general formula (1): wherein, in the above general formula (1), R1, R2, R3 and R4 are, respectively, of groups which may be the same or different and represent an aryl group of the following general formula (2): wherein, in the above general formula (2), R5, R6, R7, R8 and R9 are, respectively, of groups which may be the same or different and represent a hydrogen atom, or at least one of them is a saturated or unsaturated alkoxyl group or an alkyl group.

Abstract: An organic electroluminescent device of the type which comprises an organic layer having a luminescent region provided between an anode and a cathode, characterized in that the organic layer contains a distyryl compound represented by the following general formula (1): 1

Abstract: An organic electroluminescent device of the type which comprises an organic layer having a luminescent region and provided between an anode and a cathode, characterized in that the organic layer contains a distyryl compound represented by the following general formula: wherein R1, R2, R3 and R4 are a phenyl group or an aryl group of the general formula (2): and wherein R11, R12, R13, R14 and R15 may be a hydrogen atom, or at least one of them may be saturated or unsaturated alkoxyl group or an alkyl group, and R5, R6, R7, R8, R9 and R10 may be a cyano group, a nitro group or a halogen atom.

Abstract: An organic electroluminescent device of the type which comprises an organic layer having a luminescent region, characterized in that the organic layer contains a distyryl compound represented by the following general formula (1): provided that, in the general formula (1), R1, R2, R3 and R4 may be groups which are the same or different and, respectively, represent a phenyl group or an aryl group of the following general formula (2): provided that, in the general formula (2), R13, R14, R15, R16 and R17, respectively, represent a hydrogen atom provided that at least one of them is a saturated or unsaturated alkoxyl group or an alkyl group, and at least one of R5, R6, R7, R8, R9, R10, R11 and R12 represents a cyano group, a nitro group or a halogen atom.

Abstract: An organic electroluminescent device of the type which comprises an organic layer having a luminescent region and provided between an anode and a cathode, characterized in that the organic layer contains a distyryl compound represented by the following general formula: wherein at least one of R1, R2, R3 and R4 represents an aryl group of the following general formula: wherein R9, R10, R11, R12 and R13, respectively, represent groups which may be the same or different, and at least one of them consists of a saturated or unsaturated dialkylamino group, and R5, R6, R7 and R8 may be the same or different and, respectively, represent a hydrogen atom, a cyano group, a nitro group or a halogen atom.