Display tube output assembly and method of manufacture

Details Display tube output assembly and method of manufacture Display tube output assembly and method of manufacture

1982-04-02

1986-07-08

DeMeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Envelope

358253, 445 45, H01J 2989, H01J 926, H04N 572

Patent

active

045995354

ABSTRACT:
An image display device having an image transmissive faceplate with an exterior surface spaced from a light filtering layer of uniform thickness on a protective transparent panel by an encircling sealed gasket to form an interposed cavity which is filled with image transmissive bonding material. A method comprising the steps of (1) casting an annular gasket in encircling sealed relationship with an implosion panel, (2) depositing within the annular gasket and on the encircled panel a uniform thickness layer of light-filtering material, (3) sealing the gasket to an outer marginal portion of a display tube faceplate to form a cavity between the faceplate and the layer of light-filtering material on the implosion panel, and (4) filling the cavity with light transmissive bonding material.

REFERENCES:
patent: 2918670 (1959-12-01), Cusano et al.
patent: 3879627 (1975-04-01), Robinder
patent: 3909524 (1975-09-01), Ohkoski et al.
patent: 4031553 (1977-06-01), Sumiyoshi et al.
patent: 4245242 (1981-01-01), Trcka

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