Card type LED illumination source
US7250637B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2006 |
| Grant date | Jul 31, 2007 |
| Priority date | — |
| Expiry date | Mar 30, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/819
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An LED illumination source comprises a heat dissipating substrate which includes a metal plate and at least two insulating layers thereon. LEI) bare chips are mounted on a surface of the substrate. An optical reflector with holes surrounds the LED bare chips. The optical reflector is provided on the surface of the substrate on which the LED bare chips are mounted. A resin encapsulates the entire optical reflector on the substrate, the resin molding each of the LED bare chips and functioning as an optical lens for each of the LED bare chips.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.