Material for color filter overcoat and material for color filter useful for liquid crystal display, process for formation of overcoat and process for formation of color filter
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United States of America Patent
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Aug 17, 1993
Grant Date -
N/A
app pub date -
Feb 6, 1992
filing date -
Jun 6, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention provides a material for overcoat on a color filter for liquid crystal display, characterized in that the material comprises a water-soluble photopolymerizable substance, a cationically polymerizable, water-insoluble photopolymerizable substance, a photopolymerization initiator and a precursor of photo-setting catalyst, and a material for a color filter which comprises a mixture of the material for overcoat and a coloring agent. The invention also provides a process for forming an overcoat on a color filter, or for forming a color filter characterized in that the process comprises the steps of applying the material for color filter overcoat or the material for a color filter, subjecting the coating to exposure to light and performing development using an aqueous solution of alkali.
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