Light emission device
US7935972B2 · kind B2 · utility
8Cited by
4References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 11, 2008 |
| Grant date | May 3, 2011 |
| Priority date | — |
| Expiry date | Jun 8, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/0002
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
The invention relates to a light emission device, comprising at least two light-emitting semiconductor chips and a substrate. At least one first semiconductor chip (12) is fitted on the substrate and a second semiconductor chip (14) is fitted on the first semiconductor chip (12).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.