Organic light emitting devices having carrier transporting layers comprising metal complexes
US7288331B2 · kind B2 · utility
18Cited by
32References
20Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 20, 2006 |
| Grant date | Oct 30, 2007 |
| Priority date | — |
| Expiry date | Apr 20, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24942
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Light emitting devices having charge transporting layers comprising one or more metal complexes are provided. More particularly, devices include hole transporting layers comprising at least one organometallic complex are disclosed. The present devices can further comprise an electron blocking layer for improved efficiency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.