Guided beam flat display device

Details Guided beam flat display device Guided beam flat display device

H - Electricity

01

J

313/35.124

H01J 29/72 (2006.01) H01J 29/74 (2006.01) H01J 31/12 (2006.01) H01J 31/20 (2006.01)

Patent

CA 1072620

GUIDED BEAM FLAT DISPLAY DEVICE 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 in- cludes therein a 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 apertures through which the electron beam may be selectively deflected out of the guide at selective points along the guide so that the beam will impringe 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. -1-

261690

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