Color filter for reflection liquid crystal display and reflection liquid crystal display comprising the same
US6552765B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 18, 1999 |
| Grant date | Apr 22, 2003 |
| Priority date | — |
| Expiry date | Nov 18, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Provided is a color filter 29 for reflection-type liquid crystal display devices, which comprises a light-reflecting layer 22, a transparent electrode 23, and a colorant layer 24 with electroconductive grains therein, as laminated in that order on a transparent or opaque substrate 21. Also provided is a reflection-type liquid crystal display device comprising the color filter, in which a substrate 27 having a transparent electrode 26 formed thereon is so combined with the color filter that the transparent electrode 26 faces the light input side of the color filter via a liquid crystal layer 25 existing therebetween. With that constitution, the device enjoys a broad angle of visibility and is not troubled by color drift (color mixing) The device can produce light images in light conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.