Display device with sputter-resistant electrode layer for provid

Details Display device with sputter-resistant electrode layer for provid Display device with sputter-resistant electrode layer for provid

1998-07-08

2000-04-18

Dudek, James A.

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Plasma excitation

313583, G02F 1133

Patent

active

060521600

ABSTRACT:
The display device is furnished with a channel plate (39) comprising channels (30, 30', 30") containing an ionizable gas (33), and the walls of the channels (30, 30', 30") being provided with electrodes (31, 32) for selectively generating a plasma discharge of the ionizable gas (33) during operation. The display device further comprises an electro-optical layer (35) of a material having an optical property which is governed by the discharge state of the plasma discharge. The display device is characterized in that at least one of the electrodes (31, 32) is furnished with a layer (37) comprising particles of a sputter-resistant material having an average diameter .ltoreq.2.5 .mu.m, preferably .ltoreq.1.5 .mu.m. The particles are preferably composed of rare-earth borides (for example LaB.sub.6) or ruthenium oxide.

REFERENCES:
patent: 4599076 (1986-07-01), Yokono et al.
patent: 5783906 (1998-07-01), Moore et al.
patent: 5917284 (1999-06-01), Moore et al.

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