Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1997-05-09
2000-04-04
Luu, Matthew
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345101, G09G 336
Patent
active
060467150
ABSTRACT:
A liquid crystal array device comprises a liquid crystal material contained between two substrates, a first and a second plurality of electrodes defining a plurality of pixels and driving circuitry for applying a first signal (Strobe Voltage) in succession to the first plurality of electrodes and for applying a plurality of second signals (Data Voltage) to each of the second plurality of electrodes. Each second signal comprises one of at least a first waveform and a second waveform and the first waveform and the second waveform each comprise first and second signal levels. The first waveform and the second waveform further comprise at least one portion at a third signal level different from the first and second signal levels. This provides a limited difference in heating effect upon the array between a signal comprising a plurality of first waveforms and an alternating succession of first and second waveforms.
REFERENCES:
Search Report for Application No. GB 9610321.3; dated Aug. 12, 1996.
P.W.H. Surguy et al, Ferroelectrics, 1991, vol. 122, "The `Joers/Alvey` Ferroelectric Multiplexing Scheme", pp. 63-79.
J.R. Hughes et al, Liquid Crystals, 1993, vol. 13, No. 4, "A New Set of High Speed Matrix Addressing Schemes for Ferroelectric Liquid Crystal Displays", pp. 597-601.
Tagawa Akira
Towler Michael John
Luu Matthew
Sharp Kabushiki Kaisha
The Secretary of State for Defence In Her Britannic Majesty's Go
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