Thin-type picture display device

Details Thin-type picture display device Thin-type picture display device

1994-03-21

1995-08-15

Yusko, Donald J.

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

313497, 313103, 313105CM, H01J 2970

Patent

active

054422531

ABSTRACT:
Picture display device having a vacuum envelope for displaying pictures composed of pixels on a luminescent screen, comprising a plurality of juxtaposed sources for producing electrons, local electron ducts cooperating with the sources and having walls of electrically insulating material with a secondary emission coefficient suitable for electron transport for transporting, through vacuum, produced electrons in the form of electron currents through juxtaposed trajectories at a short distance from the luminescent screen, and means for withdrawing each electron current at predetermined locations from its duct and directing it towards a desired location on the luminescent screen for producing a picture composed of pixels.

REFERENCES:
patent: 5313136 (1994-05-01), Van Gorkom et al.

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