Organic electrophosphorescence device having interfacial layers
US7772761B2 · kind B2 · utility
1Cited by
6References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2005 |
| Grant date | Aug 10, 2010 |
| Priority date | — |
| Expiry date | Apr 4, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
Abstract
Techniques are described for forming an organic light emitting diode device with improved device efficiency. Materials having at least one energy level that is similar to those of a phosphorescent light emitting material in the diode are incorporated into the device to directly inject holes or electrons to the light emitting material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.