Lighting unit
US8684575B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 24, 2012 |
| Grant date | Apr 1, 2014 |
| Priority date | — |
| Expiry date | Sep 13, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21S43/315
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting unit including a lens body can achieve luminous flux utilization efficiency equal to or greater than a conventional lighting unit even with a reduced width of the lens body. A vehicle lighting unit can be constituted by a plurality of the lighting units. The lighting unit can include an LED light source, and a lens body disposed in front of the LED light source so that light emitted from the LED light source can be incident thereon. The lens body can include a lens portion configured to receive the light from the LED light source to collect the light, a front surface including the lens portion, a rear surface opposite to the front surface, a first end surface functioning as a light exiting surface having a substantially rectangular shape greater in width than in thickness, and a second end surface opposite to the first end surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.