Flat panel for use in a cathode ray tube

Details Flat panel for use in a cathode ray tube Flat panel for use in a cathode ray tube

2006-01-17

2006-01-17

Santiago, Mariceli (Department: 2879)

Electric lamp and discharge devices

Cathode ray tube

Envelope

C313S461000, C313S479000, C313S002100, C313S002100

Reexamination Certificate

active

06987351

ABSTRACT:
A flat panel for a cathode ray tube of the present invention includes a faceplate having a useful screen for displaying an image; a skirt portion which extends from a perimeter of the faceplate and has a seal edge; and a blend round portion joining the faceplate with the skirt portion, wherein when an average outer curvature radius R1and an average inner curvature radius R2of the faceplate are equal to or greater than 10,000 mm, an overall height H of the faceplate satisfies a following relationship:in-line-formulae description="In-line Formulae" end="lead"?T1+10≦H≦D×0.12in-line-formulae description="In-line Formulae" end="tail"?where T1and D are a face center thickness of the faceplate and a diagonal length of the useful screen, respectively.

REFERENCES:
patent: 4483452 (1984-11-01), Blanding et al.
patent: 4893054 (1990-01-01), Kobayashi
patent: 6417613 (2002-07-01), Kyono
patent: 6812631 (2004-11-01), Murakami
patent: 2002/0130607 (2002-09-01), Jeoung
patent: 2003/0214221 (2003-11-01), Choo

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