US 2003/0157365 A1 · Organic EL element and organic EL display

Abstract

An organic EL element comprising an organic thin film layer containing a light-emitting layer between an positive electrode and a negative electrode, in which a layer in the organic thin film layer comprises 1,3,6,8-tetraphenylpyrene compound expressed by the following structural formula (1), and a carbazole derivative expressed by the following structural formula (2), 1 in the structural formula (1), R1—R4 may be identical or different, and may be a hydrogen atom or a substituent group, 2 in the structural formula (2), Ar represents an aromatic group or heterocyclic group wherein R1 and R2 may be identical or different, or may be a hydrogen atom or a substituent group, and n represents an integer.

Claims14

Dependent claims

An organic EL element comprising:

an organic thin film layer which contains a light-emitting layer between a positive electrode and a negative electrode,
wherein a layer in the organic thin film layer comprises a 1,3, 6,8-tetraphenylpyrene compound expressed by the following structural formula (1), and a carbazole derivative expressed by the following structural formula (2),
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in the structural formula (1), R1 to R4 may be identical or different, and may be one of a hydrogen atom and a substituent group,
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in the structural formula (2), Ar represents an aromatic group or heterocyclic group, R1 and R2 may be identical or different, or may be one of a hydrogen atom and a substituent group, and n represents an integer.

3 more elements

Dependencies are inferred from the claim text.

Organic EL element and organic EL display

Life of this patent

Organic EL element and organic EL display

Life of this patent

Abstract

Claims14