Illumination device
US10234615B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2016 |
| Grant date | Mar 19, 2019 |
| Priority date | — |
| Expiry date | Jul 27, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0073
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An illumination device can include a light source; and a light guiding lens for receiving light from the light source. The light guiding lens includes a light emission portion that extends in a predetermined direction and has a main surface with reflecting cuts, and a light guiding portion provided to the light emission portion at an end portion thereof in the predetermined direction. The light guiding portion is configured to project more than the light emission portion in a thickness direction of the light emission portion and extend along the end portion of the light emission portion. The light source is disposed to face to an end face of the light guiding portion in an extending direction of the light guiding portion, the end face projecting more than the light emission portion. An end face of the light guiding portion has reflecting cuts arranged in the extending direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.