Organic light-emitting device having enhanced light extraction efficiency
US6965197B2 · kind B2 · utility
131Cited by
6References
45Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2002 |
| Grant date | Nov 15, 2005 |
| Priority date | — |
| Expiry date | Aug 7, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/311
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An enhanced light extraction OLED device including a transparent substrate; light scattering layer disposed over a first surface of the transparent substrate; a transparent first electrode layer disposed over the light scattering layer; an organic EL element disposed over the transparent first electrode layer and including one or more organic layers but at least one light emitting layer in which light is produced; and a transparent second electrode layer disposed over the organic EL element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.