Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1997-02-25
2000-12-26
Hjerpe, Richard A.
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345 98, 345 99, G09G 336
Patent
active
061667153
ABSTRACT:
A thin-film transistor liquid-crystal display (TFT LCD) driver includes a shift register, a sample and hold circuit, a group block, and a controller. The shift register provides N graded sample clocks. Video signals are delivered to the group block via the sample and hold circuit through the control of the controller. The group block having n groups of N switches transfers a group of N pixel signals from the sample and hold circuit to the display. The display driver of the invention providing n.times.N output lines by using N processing units by virtue of the output distribution of the group block not only reduces circuit space, but also lowers the power consumption requirements.
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Chang Chia-Yuan
Tu Nang-Ping
Hjerpe Richard A.
Industrial Technology Research Institute
Tran Henry N.
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