Tetraphenylene compounds for organic electroluminescent device
US7879995B2 · kind B2 · utility
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Key dates
| Filing date | Nov 20, 2008 |
| Grant date | Feb 1, 2011 |
| Priority date | — |
| Expiry date | Jan 27, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An organic electroluminescent device, which has, between a pair of electrodes, at least one organic layer including a light-emitting layer, in which the organic layer contains a specific tetraphenylene compound, and in which the light-emitting layer contains a phosphorescent material; and a specific tetraphenylene compound that can be used in the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.