Method for printing a color filter with radiation curable inks
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United States of America Patent
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-
Mar 30, 1999
Issued Date -
N/A
app pub date -
Mar 19, 1996
filing date -
Nov 3, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A color filter for an AMLCD panel has a pattern of multi-color dots, each dot having red, green, and blue components in a black matrix. Each component is the cured product of a color pigment dispersed in a radiation-curable ink. The ink may be an ink curable by a cationic mechanism, a free-radical ink, or a hybrid, free-radical/cationic ink. The filter is produced by successively applying patterns of colored inks to a transfer roll, collecting the patterns on a collector roll to form an array of multi-color dots that is transferred to the substrate, and irradiating the array of dots to at least partially cure the inks.
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