Light emitting device with a heat sink composed of two materials
US9651236B2 · kind B2 · utility
2Cited by
10References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2014 |
| Grant date | May 16, 2017 |
| Priority date | — |
| Expiry date | May 7, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49865
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light emitting device with a heat sink composed of two materials is provided. The device comprises: a light emitting material; and, a heat sink comprising: a first material configured to cool the light emitting material, the first material comprising a first coefficient of thermal expansion (CTE); and, a second material bonded to the first material at an interface there between, the second material comprising a second CTE lower than the first CTE, the light emitting material bonded to the first material but not the second material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.