Orangic electroluminescence device
US7361796B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2005 |
| Grant date | Apr 22, 2008 |
| Priority date | — |
| Expiry date | Dec 1, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound having a diphenylanthracene structure at the center and a specific structure substituted with an aryl group at end portions. An organic electroluminescence device comprises a plurality of layers of thin films of organic compounds which comprise a light emitting layer or a plurality of layers comprising a light emitting layer and are disposed between a pair of electrodes and at least one of the layers of thin films of organic compounds comprises the above compound. The compound exhibits excellent efficiency of light emission and heat resistance, has a long life and emits bluish light having excellent purity of color and the organic electroluminescence device comprises the compound and exhibits the same advantageous properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.