Cathode ray tube with color filters aligned with phosphors

Details Cathode ray tube with color filters aligned with phosphors Cathode ray tube with color filters aligned with phosphors

1995-04-26

1999-06-22

Patel, Vip

Electric lamp and discharge devices

Cathode ray tube

Screen

313461, 313112, H01J 2910

Patent

active

059145587

ABSTRACT:
A phosphor screen (10) formed of respective color phosphor layers (9R), (9G), (9B) and respective color filter layers (4R), (4G), (4B) is formed on the inner surface of the panel (1). In that case, the respective color filter layers (4R), (4G), (4B) are respectively formed between the inner surface of the panel (1) and the phosphor layers (9R), (9G) and (9B). Therefore, the color cathode ray tube can be made high in contrast and in brightness.

REFERENCES:
patent: 3569761 (1971-03-01), Lange
patent: 3891440 (1975-06-01), Gallaro et al.
patent: 4392077 (1983-07-01), Libman
patent: 4540914 (1985-09-01), Maple
patent: 4734761 (1988-03-01), Kondoh et al.
patent: 5045750 (1991-09-01), Itou et al.
patent: 5089743 (1992-02-01), Okuda et al.
patent: 5126626 (1992-06-01), Iwasaki
patent: 5179318 (1993-01-01), Maeda et al.
patent: 5340673 (1994-08-01), Tateyama

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