Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Screen other than for cathode-ray tube
Patent
1996-12-06
1998-02-03
Young, Christopher G.
Radiation imagery chemistry: process, composition, or product th
Radiation modifying product or process of making
Screen other than for cathode-ray tube
430 20, 4302811, 430325, 430330, G03F 900
Patent
active
057142866
ABSTRACT:
A photosensitive resin composition for forming light shielding films is of particular utility in forming a black matrix for use in display elements such as of a CRT display, a liquid crystal panel, a plasma display and the like. The photosensitive resin composition is comprised of a photopolymerizable compound, a photopolymerization initiator, and light shielding materials composed of an oxide of copper and an oxide or oxides of at least one metal selected from iron, manganese, chromium, cobalt and nickel. The black matrix so obtained is conducive to high heat resistance, greatly light shielding and sharp image contrast as well as to excellent electrical insulation resistance. For use in the plasma display in particular, a black matrix is producible by coating of the photosensitive resin composition on a given substrate, followed by exposure of the coat to selective irradiation with active light rays to form a pattern therein and by subsequently burning of the pattern.
REFERENCES:
patent: 4647153 (1987-03-01), Utsumi et al.
patent: 5418094 (1995-05-01), Sato et al.
Komano Hiroshi
Shida Masaru
Uchikawa Kiyoshi
Tokyo Ohka Kogyo Co. Ltd.
Young Christopher G.
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