Color cathode ray tube

Details Color cathode ray tube Color cathode ray tube

2006-06-13

2006-06-13

Patel, Ashok (Department: 2879)

Electric lamp and discharge devices

Cathode ray tube

Screen

C313S466000

Reexamination Certificate

active

07061171

ABSTRACT:
A color cathode ray tube comprising a panel, said panel including an outer surface which is substantially flat and an inner surface on which a screen composed of red, green and blue phosphors is formed, wherein a screen transmittance of the panel increases and then decreases along a line from a center portion to a peripheral portion of the panel, thus to improve brightness uniformity of a center portion, a peripheral portion and a doming portion of the panel.

REFERENCES:
patent: 4607188 (1986-08-01), Brennesholtz
patent: 6066914 (2000-05-01), Shimizu et al.
patent: 6160344 (2000-12-01), Cho et al.
patent: 6232712 (2001-05-01), Pyun et al.
patent: 6441566 (2002-08-01), Shimizu et al.
patent: 6465945 (2002-10-01), Tsuchida et al.
patent: 2002/0003396 (2002-01-01), Shimizu et al.
patent: 1061548 (2000-12-01), None
patent: 10-1998-0067769 (1998-10-01), None

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