Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1995-02-28
1999-06-15
Chow, Dennis-Doon
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345 95, 345211, G09G 336
Patent
active
059126558
ABSTRACT:
A display device includes a liquid crystal panel, a controller, a common driver and a segment driver. The common driver is powered by a high power supply voltage and outputs row driving waveforms having predetermined voltage levels, which are relatively high. The segment driver is powered by a low power supply voltage and outputs column driving waveforms having predetermined voltage levels, which are relatively low. By this construction, it is not necessary for both the segment and common drivers to be high withstand voltage integrated circuit devices.
REFERENCES:
patent: 5229761 (1993-07-01), Fuse
patent: 5485173 (1996-01-01), Schetter
patent: 5598180 (1997-01-01), Suzuki et al.
Fujita Hiroyuki
Hoshino Masafumi
Matsu Fujio
Oniwa Hirotomo
Yagi Kentaro
Chow Dennis-Doon
Seiko Instruments Inc.
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