Liquid crystal panel device having a light guide plate with L shaped ribs
US6219116A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Sep 29, 1998 |
| Grant date | Apr 17, 2001 |
| Priority date | — |
| Expiry date | Sep 29, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2201/34
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A liquid crystal panel module includes a liquid crystal panel unit on a backlight unit. The backlight unit preferably has a holding member for holding the liquid crystal panel unit in a specific position on the backlight unit with no gap therebetween. Preferably, the backlight unit comprises a light guide; a lamp for emitting illumination from one side of the light guide; and a reflector for collecting light from the lamp on the light guide. The reflector has a polygonal cross section, a thickness greater than the thickness of the light guide, and is open to only the thickness of the light guide on the light guide side of the reflector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.