Card-type LED illumination source
US7045828B2 · kind B2 · utility
55Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2005 |
| Grant date | May 16, 2006 |
| Priority date | — |
| Expiry date | Jun 22, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/819
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An LED illumination source is disclosed. The illumination source includes a metal base substrate including a line pattern and an insulating layer including a composite material with an inorganic filler and a resin composition. LED bare chips are mounted on one surface of the metal base substrate An optical reflector with holes to surround the bare chips is provided on the surface of the metal base substrate on which the LED bare chips are mounted. Stress relaxing means is provided between the metal base substrate and the optical reflector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.