Gradient optics for controllable light distribution for LED light sources
US8827487B2 · kind B2 · utility
9Cited by
6References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 26, 2011 |
| Grant date | Sep 9, 2014 |
| Priority date | — |
| Expiry date | Feb 16, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49002
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Gradient optics for controllable light distribution for LED light sources. In an aspect, an apparatus is provided that includes a panel coupled to receive light emitted from a light source and gradient optics disposed on the panel. The gradient optics providing a transparency gradient that filters the light to achieve a selected emitted light intensity variation across a selected surface of the panel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.