Naphthyl carbazole derivatives, KL host material, the organic light emitting device employing the same, the display device and the illumination device employing the same
US8512877B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Mar 27, 2008 |
| Grant date | Aug 20, 2013 |
| Priority date | — |
| Expiry date | Dec 9, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2211/1029
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Naphthylcarbazole derivatives are provided. The naphthylcarbazole derivatives are represented by Formula 1. Further provided are KL host materials, organic electroluminescent devices employing the host materials, and displays and lighting systems comprising the devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.