Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1991-06-13
1992-02-04
Brammer, Jack P.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430273, 430281, 430293, 430321, 430511, 522 75, 359891, 359 68, G03C 176
Patent
active
050859730
ABSTRACT:
Herein is provided a color filter prepared by providing red, green and blue image elements, comprising as photosensitive resin and a pigment, and a black matrix on a transparent substrate and further providing thereon a transparent electrode layer, wherein said photosensitive resin is so formulated that it comprises a polyfunctional acrylate monomer, an organic polymer binder and a photopolymerization initiator comprising a 2-mercapto-5-substituted thiadiazole compound represented by general formulas (I) and/or general formulas (II), a phenyl ketone compound represented by general formulas (III) and 2,4,5-triphenylimidazolyl dimer composed of two lophine residues combined to each other through intermediation of a single covalent bond.
A pattern having a high precision and a good surface smoothness can be obtained owing to the photosensitive resin, and a color filter having a good environmental resistance can be obtained owning to the pigment.
REFERENCES:
patent: 3041172 (1962-06-01), Evans et al.
patent: 3202508 (1965-09-01), Heiart
patent: 3615448 (1971-10-01), Yeshin
patent: 4042476 (1977-08-01), Collins et al.
patent: 4341860 (1982-07-01), Sysak
patent: 4477327 (1984-10-01), Cassatta et al.
patent: 4934791 (1990-06-01), Shimizu et al.
"Color Filters from Pigment-Dispersed Photopolymers" Written by T. Shimizu et al., and Disclosed in Journal of Photopolymer Science and Technology, vol. 2, No. 2, (1989), pp. 243-248.
Kobayashi Kesanao
Shimizu Tokihiko
Brammer Jack P.
Matsushita Electric - Industrial Co., Ltd.
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