Organic electroluminescent device
US7776457B2 · kind B2 · utility
48Cited by
3References
20Claims
0Family size
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Key dates
| Filing date | Nov 8, 2005 |
| Grant date | Aug 17, 2010 |
| Priority date | — |
| Expiry date | Jun 14, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
Abstract
An organic electroluminescent (EL) device which has a light emitting layer composed of at least one phosphorescent dopant disposed between a first electrode and a second electrode; and a blue light emitting layer contacting the light emitting layer, wherein the light emitting layer has a hole transport material and an electron transport material as a host.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.