Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1997-03-13
1999-08-17
Hjerpe, Richard A.
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345205, 345 92, 345 90, G09G 336
Patent
active
059400552
ABSTRACT:
A liquid crystal display (LCD) includes a plurality of thin-film-transistor (TFT) LCD elements arranged in a plurality of rows, a respective one of the TFT LCD elements including a liquid crystal element having a pixel electrode and a common electrode, a storage capacitor having a first electrode and a second electrode connected to the pixel electrode, and a transistor having a controlled electrode connected to the pixel electrode and a gate electrode which controls current through the controlled electrode. A common electrode voltage is applied to the common electrodes of the liquid crystal elements of the plurality of TFT LCD elements. A respective gate driving voltage is applied to the gate electrodes of a respective row of the TFT LCD elements and to the first electrodes of the storage capacitors of another row of TFT LCD elements other than a first row of TFT LCD elements. A periodic driving voltage is applied to the first electrodes of the storage capacitors of the first row of TFT LCD elements, the periodic driving voltage having a magnitude and a DC bias sufficient to operate the first row of LCD elements according to a first predetermined transmittance characteristic. Related circuits and methods are also discussed.
REFERENCES:
patent: 5359206 (1994-10-01), Yamamoto et al.
patent: 5561440 (1996-10-01), Kitajima et al.
Hjerpe Richard A.
Nguyen Francis N.
Samsung Electronics Co,. Ltd.
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