Vehicle headlamp
US6951416B2 · kind B2 · utility
24Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 2003 |
| Grant date | Oct 4, 2005 |
| Priority date | — |
| Expiry date | Nov 11, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A vehicle headlamp is configured to have a plurality of lamp units employing light-emitting diodes as light sources. One lamp unit takes as a light source a light-emitting diode into which a single light-emitting chip is packaged. Other lamp units may take as light sources light-emitting diodes into which a plurality of light-emitting diodes are packaged. A diffusion area is formed by means of radiation of light output from the lamp units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.