Backlight reflectors having a prismatic structure
US8721153B2 · kind B2 · utility
4Cited by
16References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2008 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | Feb 24, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A back reflector for a lightguide in a turning film backlight includes a prism film layer in direct contact with a reflective layer. The lightguide includes a light guiding region having a refractive index that is substantially spatially uniform. The reflective layer may be specular or diffuse and may include a multilayer polymeric film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.