Method of manufacturing color filter

Details Method of manufacturing color filter Method of manufacturing color filter

1998-06-12

2000-03-07

McPherson, John A.

Radiation imagery chemistry: process, composition, or product th

Radiation modifying product or process of making

Screen other than for cathode-ray tube

430311, 430328, 430330, G02B 520, G02F 11335

Patent

active

06033813&

ABSTRACT:
Disclosed is a method of manufacturing a color filter using a photoresist containing a dye in a large amount, which is capable of enhancing optical and mechanical characteristics of the color filter and improving the workability. The method includes the steps of: coating a surface of a base with a positive type photoresist containing a dye in an amount of 10 to 50 wt %, and processing the photoresist by pattern-exposure and development to form a dye containing photoresist layer having a specific pattern; and hardening the dye containing photoresist layer to form specific color filter elements; wherein the hardening step includes a step of heating the photoresist layer while letting the photoresist layer be irradiated with ultraviolet light.

REFERENCES:
patent: 4808501 (1989-02-01), Chiulli
English language translation of JP 6-194826, "Positive Resist Composition and Production of Color Filter Using the Composition", Hishiro et al., Jul. 1994.
English language translation of JP 6-035183, "Positive Type Resist Composition and Production of Color Filter Using the Same", Hishiro et al., Feb. 1994.

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