Light extraction from color changing medium layers in organic light emitting diode devices
US7233026B2 · kind B2 · utility
1Cited by
18References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2001 |
| Grant date | Jun 19, 2007 |
| Priority date | — |
| Expiry date | Jul 22, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/854
Abstract
A method of reducing the internal reflected light in an OLED device comprising the step of either scattering light emitted from the OLED or removing light emitted from the OLED. An OLED device comprising a color changing medium film, a transparent substrate, and either a means for scattering light emitted from the OLED or a means for removing light emitted from the OLED such that the internal reflected light is reduced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.