Color liquid crystal display apparatus for producing a display having a high contrast and a wide visual field angle
US6525791B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1997 |
| Grant date | Feb 25, 2003 |
| Priority date | — |
| Expiry date | Sep 26, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133519
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A liquid crystal diaplay apparatus having a color filter base plate with a transparent substrate, a resin black matrix formed by dispersing a light-shielding agent therein and a colored film of three primary colors provided on the transparent substrate, an electrode-carrying base plate provided with electrodes for applying an electric field parallel to the color filter, a liquid crystal disposed between said color filter base plate and said electrode-carrying base plate, a first alignment layer on the protective layer, an overcoat film on the colored film, a second alignment layer on the overcoat film, and a spacer formed on the resin black matrix by patterning a resin is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.