LED-based lighting fixture with textured lens
US9416939B2 · kind B2 · utility
5Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 2012 |
| Grant date | Aug 16, 2016 |
| Priority date | — |
| Expiry date | Jan 17, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V13/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus related to a textured lens (30, 130). The textured lens includes a textured portion (40, 140) having plurality of unique textures. The lens may be utilized in a LED-based lighting fixture (10, 110) to, for example, reduce the presence of color banding and/or color shadows present in the light output of the lighting fixture. The textured portion may extend across all or portions of the lens surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.