Light emitting device
US7489068B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 6, 2006 |
| Grant date | Feb 10, 2009 |
| Priority date | — |
| Expiry date | May 12, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/82
Abstract
A light emitting device having a transparent substrate, a light emitting stack, and a transparent adhesive layer is provided. The light emitting stack is disposed above the transparent substrate and comprises a diffusing surface. The transparent adhesive layer is disposed between the transparent substrate and the diffusing surface of the light emitting stack; an index of refraction of the light emitting stack is different from that of the transparent adhesive layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.