Diode structure flat panel display

Details Diode structure flat panel display Diode structure flat panel display

1992-12-23

1995-09-12

O'Shea, Sandra L.

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

313496, 313309, 313351, 313292, 3151694, 345 75, H01J 130

Patent

active

054499704

ABSTRACT:
A matrix-addressed diode flat panel display of field emission type is described, utilizing a diode (two terminal) pixel structure. The flat panel display includes a cathode assembly having a plurality of cathodes, each cathode including a layer of cathode conductive material and a layer of a low effective work-function material deposited over the cathode conductive material and an anode assembly having a plurality of anodes, each anode including a layer of anode conductive material and a layer of cathodoluminescent material deposited over the anode conductive material, the anode assembly located proximate the cathode assembly to thereby receive charged particle emissions from the cathode assembly, the cathodoluminescent material emitting light in response to the charged particle emissions. The flat panel display further includes the capability for selectively varying field emission between the plurality of corresponding light-emitting anodes and field-emission cathodes to thereby effect an addressable grey-scale operation of the flat panel display.

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