Liquid crystal display device using dual light units
US7027113B2 · kind B2 · utility
13Cited by
0References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2004 |
| Grant date | Apr 11, 2006 |
| Priority date | — |
| Expiry date | Sep 4, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133616
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An LCD includes a liquid crystal panel, first and second polarizing plates attached to opposing surfaces of the liquid crystal panel, a first front light unit over a front side of the liquid crystal panel, a second front light unit over a rear side of the liquid crystal panel, a first film disposed between the first polarizing plate and the first front light unit, for receiving a surrounding light and directing the surrounding light toward the rear side of the liquid crystal panel, and a diffusion sheet disposed between the second polarizing plate and the second front light unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.