Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1995-12-21
1999-09-07
Powell, Mark R.
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
313496, H01J 2900
Patent
active
059493950
ABSTRACT:
A flat-panel, matrix-type visible light emissive display which has an electron source positioned at the back panel for providing a background of electrons. An electron gating grid having a number of conductive filaments is positioned before the front panel and exposed to the electron source. A display array with a number of parallel conductive phosphor stripes for generating visible radiation when bombarded with electrons is arranged between the electron gating grid and the front panel. The display has a control unit for applying an accelerating voltage V.sub.3 to the conductive phosphor stripes, and an arrangement for selectively applying a blocking voltage V.sub.2 and a gating voltage V.sub.1 to the conductive filaments, such that gating voltage V.sub.1 is simultaneously applied to an adjacent filament pair to pass the electrons in-between the adjacent filament pair, such that the electrons which pass are accelerated to impact and produce visible radiation on a segment of the active stripe corresponding to the projection on the active stripe of the gating distance d between said conductive filaments.
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Naugler, Jr. W. Edward
Stevens Jessica L.
Kolakowski Victoria S.
Powell Mark R.
Telegen Corporation
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