Formed type flat panel for use in a cathode ray tube

Details Formed type flat panel for use in a cathode ray tube Formed type flat panel for use in a cathode ray tube

2006-02-14

2006-02-14

Guharay, Karabi (Department: 2879)

Electric lamp and discharge devices

Cathode ray tube

Envelope

C313S461000, C313S480000, C220S00210A

Reexamination Certificate

active

06998768

ABSTRACT:
The present invention provides a formed type flat panel made of tinted glass, which is capable of satisfying the UL standard for implosion resistance thereof. The formed type flat panel of the present invention includes a substantially rectangular faceplate having an substantially flat external surface and a curved inner surface; a skirt portion extending backward from a periphery of the faceplate; a corner portion joining the faceplate and the skirt portion. The faceplate has a specially tailored thickness distribution so at to accomplish aforementioned capability.

REFERENCES:
patent: 5814933 (1998-09-01), Iwata et al.
patent: 6232712 (2001-05-01), Pyun et al.
patent: 6566802 (2003-05-01), Jeong
patent: 6628058 (2003-09-01), Park
patent: 6639345 (2003-10-01), Inoue et al.
patent: 6677702 (2004-01-01), Kim et al.
patent: 6680567 (2004-01-01), Sugawara et al.

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