Internally supported flat tube display

Details Internally supported flat tube display Internally supported flat tube display

1977-04-14

1978-10-03

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

315366, H01J 2946, H01J 2982

Patent

active

041186508

ABSTRACT:
A flat tube display is fabricated having internal structural supports running the height of the display at selected periodic intervals. This construction permits light weight face plates and back plates to be used in the construction of displays independent of display size, yet still providing the required strength to withstand atmospheric pressure. By compressing the dot matrix of the first plate of the switching stack, relatively large areas free of the dot matrix are provided whereby the internal supports may be attached without interfering with the operation of the display. The control plates of the flat tube display are psuedo-aligned to the phosphor screen. Electrons are injected into the stack channel comprising plates at successively higher positive potentials so that self-guiding through the channels at 100% transmission is achieved.

REFERENCES:
patent: 3935500 (1976-01-01), Oess et al.
patent: 4001619 (1977-01-01), Endriz et al.
patent: 4028582 (1977-06-01), Anderson et al.

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