Color filter and method of producing same

Details Color filter and method of producing same Color filter and method of producing same

2006-06-01

2009-08-04

McPherson, John A. (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Radiation modifying product or process of making

Screen other than for cathode-ray tube

C427S162000

Reexamination Certificate

active

07569315

ABSTRACT:
A main object of the present invention is to provide a high-quality color filter having a colored layer formed by use of a difference in wettability in the surface of a photocatalyst containing layer, wherein white spots and color unevenness are not present in the colored layer and a method for producing the same. To achieve the object, the present invention provides a color filter comprising: a base material; a light shielding part formed on the base material and containing a light shielding material and a resin; a photocatalyst containing layer formed to cover the base material and the light shielding part and containing a photocatalyst and an organopolysiloxane; and a colored layer formed on the photocatalyst containing layer in an opening part made in the light shielding part, wherein the widths of thin film regions of both sides each having a film thickness decreased in a tapered form from a central portion of the light shielding part are each in the range from 20 to 40% of the line width of the light shielding part, and the film thickness of the photocatalyst containing layer is in the range from 0.01 to 0.5 μm.

REFERENCES:
patent: 2001-074928 (2001-03-01), None
patent: 2005-292337 (2005-10-01), None
Computer-generated translation of JP 2005-292337 (Oct. 2005).

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