Light distance-adjustable vehicle lamp device
US9982863B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 17, 2016 |
| Grant date | May 29, 2018 |
| Priority date | — |
| Expiry date | Jun 12, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2105/12
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The instant disclosure illustrates a light distance-adjustable vehicle lamp including a lens unit, a light emitting group and a datum axis. The lens unit includes a first focus, a second focus, a lens focus and an optical axis. The light emitting group includes a first light emitting unit and a second light emitting unit. The first light emitting unit includes a first light source center, a first axis and a first light emitting surface, the first light emitting unit corresponds to the first focus of the lens unit. The second light emitting unit includes a second light source center, a second axis and a second light emitting focus. The datum axis passes through the lens focus and the second light emitting unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.