Plane-like lighting units and display equipment provided therewith
US8177407B2 · kind B2 · utility
0Cited by
11References
18Claims
0Family size
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Key dates
| Filing date | Dec 6, 2011 |
| Grant date | May 15, 2012 |
| Priority date | — |
| Expiry date | Dec 6, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0261
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light unit which includes a plurality of light-emitting diode (LED) light sources arranged in parallel, a light-guiding member arranged on said LED light sources, a light reflecting part for reflecting light from said LED light sources forward, a light diffusion part for outgoing light from the surface of said light-guiding member to outside, and an optical path changing part arranged above said light-diffusion part, wherein a side of said light-guiding member that faces said light diffusion part is flat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.