OLEDs having n-type doping
US7070867B2 · kind B2 · utility
9Cited by
15References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2003 |
| Grant date | Jul 4, 2006 |
| Priority date | — |
| Expiry date | Dec 5, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides an organic light emitting device comprising an anode, a cathode, and an organic layer disposed between the anode and the cathode, wherein the organic layer comprises a host material, an alkali metal or an alkaline earth metal, and a metal binding agent. In a preferred embodiment, the organic layer is an electron transport layer in which the metal binding agent may confine the alkali metal or the alkaline earth metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.