Light guides
US8467013B2 · kind B2 · utility
11Cited by
9References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 25, 2008 |
| Grant date | Jun 18, 2013 |
| Priority date | — |
| Expiry date | Aug 27, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This invention relates to a light guide device and methods of manufacture. The light guide device is suitable for use in a range of applications, particularly in connection with the backlighting of displays, for example, liquid crystal displays. The light guide device comprises a combination of guide layers and one or more scattering structures in order to mask the appearance of one or more light sources.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.