Color filter solution for a cathode ray tube and method for patt

Details Color filter solution for a cathode ray tube and method for patt Color filter solution for a cathode ray tube and method for patt

1999-03-26

2000-10-31

Brunsman, David

Radiation imagery chemistry: process, composition, or product th

Producing cathode-ray tube or element thereof

With filter material on finished faceplate

10628718, 1062872, 427 68, 427 72, 427512, 427514, 313466, B05D 506, H02J 2932, C09K 100

Patent

active

061399965

ABSTRACT:
A color filter solution for applying on a face glass of a cathode ray tube and a method for patterning a color filter to improve the brightness and contrast characteristics of the color filter. The color filter solution comprises a pigment, an anion surfactant which contains sodium or ammonium ion or citric acid as a dispersion agent, a mixture solvent of a glycol and a pyrrolidone containing methyl or ethyl, a nonionic surfactant and a pure water. A method for patterning a color filter in a cathode ray tube comprises the steps of:

REFERENCES:
patent: 5700609 (1997-12-01), Matsuda et al.
patent: 5721089 (1998-02-01), Takao et al.
patent: 5898263 (1999-04-01), Itou et al.

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