Illumination device with edge-lit light guide with opposed light sources
US9804320B2 · kind B2 · utility
2Cited by
13References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2013 |
| Grant date | Oct 31, 2017 |
| Priority date | — |
| Expiry date | Oct 31, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0061
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light guide plate includes a plurality of LED light sources emitting light into two opposed side surfaces of the light guide plate, such that LED light sources having a length shorter than each of the opposed side surfaces at which the plurality of LED light sources are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.