Light emitting device having improved light extraction efficiency and method of making same
US7521727B2 · kind B2 · utility
18Cited by
10References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2007 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | Jul 20, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/8516
Abstract
A light emitting device including a multi-layer stack and an encapsulant layer having a patterned encapsulant region in optical proximity to a luminous stack surface of the multi-layer stack is disclosed. A method of making that encapsulant layer and of affixing that encapsulant layer to a luminous stack surface is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.