Compound for organic electroluminescent device and organic electroluminescent device using the same
US8859109B2 · kind B2 · utility
2Cited by
1References
3Claims
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Key dates
| Filing date | Feb 5, 2009 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Jan 12, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed is an organic electroluminescent device (organic EL device) that is improved in luminous efficiency, fully secured of driving stability, and of simple structure. The organic EL device comprises a light-emitting layer between an anode and a cathode piled one upon another on a substrate and the light-emitting layer comprises a phosphorescent dopant and a compound containing carbazolyl groups at both ends represented by the following formula (1) as a host material. In formula (1), X is independently CH optionally containing a substituent or N and L is a direct bond, an ethylene group, or an acetylene group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.