Light guiding plate with internal micro-prisms
US6575584B1 · kind B1 · utility
15Cited by
22References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 14, 2000 |
| Grant date | Jun 10, 2003 |
| Priority date | — |
| Expiry date | Apr 14, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0028
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An illumination device comprising a plate provided for guiding light there through, having an input for receiving an input light beam to be injected into said plate and an array of N micro-prisms for receiving the input light beam and producing an output light beam from the input light beam. The array of micro-prisms is located inside the plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.