Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1994-03-14
1995-04-18
Weldon, Ulysses
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345 67, 345 87, G09G 322
Patent
active
054082455
ABSTRACT:
A plurality of signal electrodes D arranged in parallel to each other are formed on a major surface of a first substrate 4. A second substrate 7 is disposed face to face to the first substrate. A plurality of plasma electrodes 9 arranged in parallel to each other and intersecting the signal electrodes D are formed on an inner surface of the second substrate 7. The plasma electrodes 9 are covered with an insulating film 10 for improvement of corrosion resistance. Instead of the insulating film, it is also preferable to form the plasma electrodes 9 themselves by a chemically inactive metallic film. An electro-optical material (e.g.liquid crystal) layer 6 is sandwiched between the first substrate 4 and the second substrate 7. A plasma chamber 11 is formed between the liquid crystal layer 6 and the second substrate 7, and filled with an ionizable gas. The gas is selectively ionized by the discharge between the two adjacent plasma electrodes 9. The liquid crystal layer 6 is driven with the discharge regions 12 at which the ionized gas is localized as the scanning unit. Further, an aperture communicating with the open air is formed in the plasma chamber 11 for improvement of pressure resistance. Since the corrosion resistance of the plasma electrodes can be increased, the plasma cell structure can be simplified and further the pressure resistance can be improved.
REFERENCES:
patent: 4562434 (1985-12-01), Amano
patent: 4737687 (1988-04-01), Shinoda et al.
patent: 4896149 (1990-01-01), Buzak
patent: 5077553 (1991-12-01), Buzak
patent: 5107182 (1992-04-01), Sano et al.
Sony Corporation
Weldon Ulysses
Wu Xiao M.
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