Light panel
US6895705B2 · kind B2 · utility
16Cited by
80References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2003 |
| Grant date | May 24, 2005 |
| Priority date | — |
| Expiry date | May 15, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0033
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A display device is provided comprising a transparent panel having a light receiving edge and a face. A plurality of laser etched grooves are formed in the face of the panel such that the grooves increase in depth as the grooves extend away from the light receiving edge of the panel. The grooves include a bottom surface having a contour that matches a contour of the face of the panel. The grooves also include a plurality of diffusive sections and a plurality of internally reflective sections.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.