Color filter and cathode-ray tube using the color filter

Details Color filter and cathode-ray tube using the color filter Color filter and cathode-ray tube using the color filter

1989-08-04

1990-12-11

DeMeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Envelope

313112, 350311, 358253, H01J 2989, G02B 522

Patent

active

049773470

ABSTRACT:
A color filter comprising a vitreous material including at least one kind of organic compound having visible light absorbing properties, and at least one metallic compound selected from the group consisting of a Ni compound and a Co compound. A given dye can be used in the color filter of this invention as the organic compound. Thus, the hue of the color filter is freely selectable. In addition, high light resistance can be attained by sealing the organic compound in the vitreous material in the presence of the metal compound.

REFERENCES:
patent: 3143683 (1964-08-01), Duncan et al.
patent: 3474039 (1969-10-01), Newing
patent: 4617490 (1986-10-01), Fitzpatrick et al.
patent: 4694218 (1987-09-01), Chao
patent: 4776671 (1988-10-01), Sumi et al.
patent: 4929865 (1990-05-01), Blum

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