Color cathode ray tube

Details Color cathode ray tube Color cathode ray tube

2006-02-28

2006-02-28

Santiago, Mariceli (Department: 2879)

Electric lamp and discharge devices

Cathode ray tube

Envelope

C220S00210A, C220S00210R, C348S821000, C348S822000, C348S823000

Reexamination Certificate

active

07005792

ABSTRACT:
A color cathode ray tube including: a panel having a substantially flat outer surface and an inner surface having a curvature; a funnel coupled to the panel; a deflection yoke installed at an outer surface of the funnel; and a reinforcing band installed at a skirt portion of the panel, wherein the panel and the funnel satisfy the following condition, U/U′≧2.5, when a diagonal size of an effective surface of the panel is U, and a tube axis directional distance from an outer surface center of the panel to a boundary portion (TOR) between a body part and a yoke part of the funnel is U′, so that in the color cathode ray tube of the present invention, a lightness and slimness of a panel can be accomplished, and in order to compensate the weak structural strength caused in this case, a reinforcing band position (h) is set in the range of 10.5 mm˜20 mm to implement an optimum tensile force.

REFERENCES:
patent: 6657374 (2003-12-01), Nagasawa et al.
patent: 6800993 (2004-10-01), Tho et al.
patent: 6812631 (2004-11-01), Murakami
patent: 2003/0025439 (2003-02-01), Fujita
patent: 2003/0168963 (2003-09-01), Baek
patent: 2004/0051437 (2004-03-01), Kim
patent: 2005/0052113 (2005-03-01), Kim
patent: 2000306528 (2000-11-01), None
patent: 2002076830 (2002-10-01), None
patent: 2004044067 (2004-05-01), None

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