Organic EL element and organic EL display
US7060370B2 · kind B2 · utility
24Cited by
4References
15Claims
0Family size
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Key dates
| Filing date | Oct 24, 2002 |
| Grant date | Jun 13, 2006 |
| Priority date | — |
| Expiry date | Apr 10, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
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),in the structural formula (1), R1–R4 may be identical or different, and may be a hydrogen atom or a substituent group,
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.