LED headlight for a motor vehicle
US7534020B2 · kind B2 · utility
3Cited by
6References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 2, 2003 |
| Grant date | May 19, 2009 |
| Priority date | — |
| Expiry date | Dec 16, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A vehicle headlight, having multiple LEDs provided on a carrier and organized into a group arrangement having an asymmetric design arrived at by starting with an overall symmetric design and providing therein at least one area with non-functional or missing LEDs; and at least one optical element functioning as a common collection lens, wherein the vertical angle of beam spread φ is less than 5° and the horizontal angle of beam spread φ is in the range of less than 20° relative to the central optical axis of the optical element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.