Interelectrode spacers for display devices including field emiss

Details Interelectrode spacers for display devices including field emiss Interelectrode spacers for display devices including field emiss

1996-03-20

1997-12-16

Ramsey, Kenneth J.

Electric lamp and discharge devices

With support and/or spacing structure for electrode and/or...

Supporting and/or spacing elements

H01J 188

Patent

active

056989326

ABSTRACT:
A method for forming interelectrode spacers for flat panel display devices that employ reduced pressures, includes the steps of; forming a substrate out of an aerogel, xerogel photosensitive material (e.g., photosensitive glass, photosensitive aerogel, photosensitive xerogel); forming a pattern of openings and gas removal channels in the substrate; and then placing the substrate between a display screen and base plate of the display device. The substrate is formulated to be light weight, insulative and with a high compressive strength for resisting atmospheric loads placed on the display screen by the reduced pressure. In addition, the substrate is formulated to be easily etched, laser ablated or photochemically machined and assembled as a third member spacer structure.

REFERENCES:
patent: 2933648 (1960-04-01), Bentley
patent: 4293376 (1981-10-01), Weingand
patent: 4407934 (1983-10-01), Kuchinsky et al.
patent: 5232549 (1993-08-01), Cathey et al.
patent: 5525857 (1996-06-01), Gnade et al.

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