Light cavity that improves light output uniformity
US8780295B2 · kind B2 · utility
1Cited by
1References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 28, 2011 |
| Grant date | Jul 15, 2014 |
| Priority date | — |
| Expiry date | Dec 19, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/0002
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A radiation device is disclosed. The device includes a light cavity including a top surface, a bottom surface, and side walls. A light source array including at least one light source is formed on a first side wall. The device also includes a reflective coating formed on at least the bottom surface. The top surface allows light transmission and includes a light conversion layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.