Liquid crystal display
US6334689B1 · kind B1 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 25, 1999 |
| Grant date | Jan 1, 2002 |
| Priority date | — |
| Expiry date | Feb 25, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0053
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A liquid crystal display includes a liquid crystal display panel having a plurality of liquid crystal cells and aback light that irradiates the liquid crystal display panel with irradiation light. The back light includes a light source and a light guide plate having one side arranged adjacent the light source and having a planar surface with a plurality of small concaves. The planar surface is substantially parallel to a liquid crystal cell face and a plane shape of the small concaves is substantially rectangular.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.