Guided beam flat display device

Details Guided beam flat display device Guided beam flat display device

1975-09-22

1977-06-07

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

313432, H01J 2972, H01J 2908, H01J 3100

Patent

active

040285820

ABSTRACT:
An evacuated envelope has a rectangular display section and a gun section at one edge of the display section. The display section includes front and back walls which are generally rectangular, in closely spaced, parallel relation, and a plurality of spaced, parallel support walls between the front and back walls forming a plurality of parallel channels. The gun section extends across one end of the channels and includes therein gun structure which will direct electrons into the channels. In each of the channels is a beam guide which confines the electrons in a beam and guides the beam along the length of the channel. The beam guide also includes means for selectively deflecting the electron beam out of the guide at selective points along the guide so that beam will impinge upon a phosphor screen along the inner surface of the front wall. In each of the channels is a scanning deflector which deflects the path of the beam as it passes from the guide to the phosphor screen so that each of the beams will scan a portion of the phosphor screen.

REFERENCES:
patent: 2850670 (1958-09-01), Aiken
patent: 2858464 (1958-10-01), Roberts
patent: 3683224 (1972-08-01), Lea
patent: 3935500 (1976-01-01), Oess et al.

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