Refracting optic for fluorescent lamps used in backlighting liquid crystal displays
US5720545A · kind A · utility
10Cited by
7References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 28, 1995 |
| Grant date | Feb 24, 1998 |
| Priority date | — |
| Expiry date | Feb 28, 2015 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V5/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention is a liquid crystal display with an improved backlighting system. A light source in the backlighting system radiates light in a first non-preferred direction. An optical apparatus coupled to the light source receives the light radiated by the light source in the first non-preferred direction and refracts it into a first preferred direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.