Display apparatus

Details Display apparatus Display apparatus

1996-03-26

1999-11-16

Wu, Xiao

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 75, 3151691, G09G 322

Patent

active

059866241

ABSTRACT:
A display apparatus employing a field emission type cathode includes an anode electrode, a first constant voltage source for applying a first constant voltage on the anode electrode, a phosphor element coated on the anode electrode, a gate electrode arranged for facing said phosphor element, a second constant voltage source for applying a second voltage lower than the first voltage to the gate electrode, a cathode electrode arranged for facing the phosphor element via the gate electrode, an insulator arranged for facing the phosphor element via the gate electrode, a current source electrically connected to the cathode electrode, and a cathode arranged on said cathode electrode for facing said phosphor element. The current value of the current source is controlled in proportion to a third voltage applied to the current source.

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patent: 5278475 (1994-01-01), Jaskie et al.
patent: 5300862 (1994-04-01), Parker et al.
patent: 5313140 (1994-05-01), Smith et al.
patent: 5552617 (1996-09-01), Pagones
patent: 5578906 (1996-11-01), Smith
patent: 5638086 (1997-06-01), Lee et al.

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