Color filter for multi-color liquid-crystal display panel and process of fabricating such color filters
US5232634A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 24, 1989 |
| Grant date | Aug 3, 1993 |
| Priority date | — |
| Expiry date | Nov 24, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133519
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A color filter for use in a liquid-crystal display panel structure, including a transparent substrate having a surface portion, and a multiplicity of filter elements distributed in a predetermined pattern on the surface portion of the substrate, each of the filter elements being formed of a photosetting colored filter composition containing an acrylic resin, a coloring compound and a dispersant. In this color filter according to the present invention, the dispersant preferably includes a derivative of an organic colorant. A color filter according to the present invention may further include a transparent overcoat of a synthetic resin covering the filter elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.