Color filter
US5478680A · kind A · utility
10Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 1994 |
| Grant date | Dec 26, 1995 |
| Priority date | — |
| Expiry date | Jun 21, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/122
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A color filter having the thickness of 3 .mu.m or smaller and, on a substrate, having color filter elements which have different colors each other and are made from a resist compositions comprising an alkali soluble resin and dyes having a specific color within the wave length range from 400 nm to 700 nm, wherein each of the color filter elements has the minimum light transmittance of 25% or smaller, and the color filter is excellent in various properties such as resolution, color tone, color reproductivity and color depth and it has a small thickness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.