Lighting device for vehicle
US7883249B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2007 |
| Grant date | Feb 8, 2011 |
| Priority date | — |
| Expiry date | Jul 18, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V7/0091
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting device for a vehicle includes: a light source; a light guide member that has a light-introducing part provided in a back surface side through which the light of the light source is introduced and finally emits the light from a front surface side; a part near the light-introducing part being thicker than an edge part of the light guide member, a plurality of reflecting parts and connecting parts being alternately formed continuously toward a direction separate from the light-introducing part in the back surface side, the reflecting parts respectively reflecting on interfaces the introduced light reaching there to form the light in the direction of the front surface of the light guide member; and a housing that is connected to a position between the edge part of the back surface of the light guide member and the light-introducing part and attached to the back surface side of the light guide member to house the light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.