Photosensitive colored composition and color filter
US7288345B2 · kind B2 · utility
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2References
9Claims
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Key dates
| Filing date | Mar 31, 2005 |
| Grant date | Oct 30, 2007 |
| Priority date | — |
| Expiry date | Jan 21, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/111
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photosensitive colored composition contains a resin, a monomer and a colorant. The resin is a copolymer resin of at least one compound (a) represented by general formula (I) below with at least one other compound (b) having an ethylenically unsaturated double bond:where R1 represents H or CH3, R2 represents an alkylene group having 2 or 3 carbon atoms, R3 represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms which may contain a benzene ring, and n is an integer of 1 to 15.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.