Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1997-02-24
1999-01-19
Nguyen, Chanh
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345 99, G09G 336
Patent
active
058618627
ABSTRACT:
A reduction in the number of input/output terminals of the scan electrode drive circuit or signal electrode drive circuit to enable a compact liquid crystal display device. The scan direction is established by the polarity relationship between the sequential scan start signal TPR of the scan electrode drive circuit and the sequential scan timing signal CK. The left-to-right direction of the output data is established by the polarity relationship of the display data latch signal CL of the signal electrode drive circuit and the signal electrode drive voltage output signal CL2. By doing this, the number of input/output terminals required on the scan electrode drive circuit or the signal electrode drive circuit is reduced, enabling implementation of a compact liquid crystal display device.
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patent: 5206634 (1993-04-01), Matsumoto et al.
patent: 5301031 (1994-04-01), Eto et al.
patent: 5357290 (1994-10-01), Horibe
Citizen Watch Co. Ltd.
Nguyen Chanh
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