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Title: Microgap flat panel display

Abstract

A microgap flat panel display which includes a thin gas-filled display tube that utilizes switched X-Y "pixel" strips to trigger electron avalanches and activate a phosphor at a given location on a display screen. The panel utilizes the principal of electron multiplication in a gas subjected to a high electric field to provide sufficient electron current to activate standard luminescent phosphors located on an anode. The X-Y conductive strips of a few micron widths may for example, be deposited on opposite sides of a thin insulating substrate, or on one side of the adjacent substrates and function as a cathode. The X-Y strips are separated from the anode by a gap filled with a suitable gas. Electrical bias is selectively switched onto X and Y strips to activate a "pixel" in the region where these strips overlap. A small amount of a long-lived radioisotope is used to initiate an electron avalanche in the overlap region when bias is applied. The avalanche travels through the gas filled gap and activates a luminescent phosphor of a selected color. The bias is adjusted to give a proportional electron multiplication to control brightness for given pixel.

Inventors:
 [1]
  1. (Danville, CA)
Issue Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
OSTI Identifier:
872034
Patent Number(s):
5847509
Assignee:
Regents of University of California (Oakland, CA) LLNL
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
microgap; flat; panel; display; gas-filled; tube; utilizes; switched; x-y; pixel; strips; trigger; electron; avalanches; activate; phosphor; location; screen; principal; multiplication; gas; subjected; electric; field; provide; sufficient; current; standard; luminescent; phosphors; located; anode; conductive; micron; widths; example; deposited; opposite; insulating; substrate; adjacent; substrates; function; cathode; separated; gap; filled; suitable; electrical; bias; selectively; region; overlap; amount; long-lived; radioisotope; initiate; avalanche; applied; travels; activates; selected; color; adjusted; proportional; control; brightness; gas filled; electron current; electrical bias; electric field; flat panel; provide sufficient; electron avalanche; panel display; selectively switched; suitable gas; insulating substrate; long-lived radioisotope; microgap flat; gas fill; display screen; electron avalanches; luminescent phosphor; /313/345/

Citation Formats

Wuest, Craig R. Microgap flat panel display. United States: N. p., 1998. Web.
Wuest, Craig R. Microgap flat panel display. United States.
Wuest, Craig R. Thu . "Microgap flat panel display". United States. https://www.osti.gov/servlets/purl/872034.
@article{osti_872034,
title = {Microgap flat panel display},
author = {Wuest, Craig R.},
abstractNote = {A microgap flat panel display which includes a thin gas-filled display tube that utilizes switched X-Y "pixel" strips to trigger electron avalanches and activate a phosphor at a given location on a display screen. The panel utilizes the principal of electron multiplication in a gas subjected to a high electric field to provide sufficient electron current to activate standard luminescent phosphors located on an anode. The X-Y conductive strips of a few micron widths may for example, be deposited on opposite sides of a thin insulating substrate, or on one side of the adjacent substrates and function as a cathode. The X-Y strips are separated from the anode by a gap filled with a suitable gas. Electrical bias is selectively switched onto X and Y strips to activate a "pixel" in the region where these strips overlap. A small amount of a long-lived radioisotope is used to initiate an electron avalanche in the overlap region when bias is applied. The avalanche travels through the gas filled gap and activates a luminescent phosphor of a selected color. The bias is adjusted to give a proportional electron multiplication to control brightness for given pixel.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1998},
month = {1}
}

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