Mask frame assembly having thermal correction unit and color...

Details Mask frame assembly having thermal correction unit and color... Mask frame assembly having thermal correction unit and color...

2006-02-28

2006-02-28

Guharay, Karabi (Department: 2879)

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

C313S402000, C313S405000, C313S407000

Reexamination Certificate

active

07005786

ABSTRACT:
A color CRT includes a panel having a fluorescent film formed on an inner surface, a tension mask frame assembly installed in the panel and including a frame including a pair of first and second support members separated a predetermined distance from each other, and first and second elastic members installed between the first and second support members to support the first and second support members and having support portions fixed at the first and second support members and a connection portion to connect the support portions, a mask having electron beam passing holes formed therein and installed such that a tension is applied to the first and second support members, and a correction unit installed at the first and second support members or support portions between the connection portion and the mask, to correct a mis-landing of an electron beam due to thermal expansion of the mask and the frame.

REFERENCES:
patent: 5111107 (1992-05-01), Kume et al.
patent: 5751098 (1998-05-01), Ito et al.
patent: 6512326 (2003-01-01), Arai et al.
patent: 6590326 (2003-07-01), Diven et al.
patent: 08-124489 (1996-05-01), None
patent: 11-317176 (1999-11-01), None

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