Red phosphorescent compounds and organic electroluminescent devices using the same
US8071226B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Feb 21, 2008 |
| Grant date | Dec 6, 2011 |
| Priority date | — |
| Expiry date | Aug 24, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Provided are red phosphorescent compounds represented by Formula 1:Organic electroluminescent devices using the red phosphorescent compounds are further provided. The organic electroluminescent devices exhibit good red color purity, high quantum efficiency, high power efficiency, high luminance, and long lifetime.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.