Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1997-08-11
1999-08-10
Mengistu, Amare
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345 88, 345 87, G09G 336
Patent
active
059366044
ABSTRACT:
An image memory for storing image data is connected to an applied voltage selecting circuit through a reading circuit. Image data is supplied to the applied voltage selecting circuit at predetermined timing. A temperature sensor for measuring a temperature of a liquid crystal display panel is connected to the applied voltage selecting circuit and supplies temperature data of the liquid crystal display panel to the applied voltage selecting circuit. The applied voltage selecting circuit is connected to a signal electrode driving circuit for applying a voltage to a signal electrode of the liquid crystal display panel, so as to supply applied voltage selecting signals S0 to S15 to the signal electrode driving circuit in accordance with the temperature data and the image data. The signal electrode driving circuit is connected to a driving voltage generating circuit, to which 16-staged voltages V0 to V15 are supplied. The signal electrode driving circuit selects a voltage corresponding to the applied voltage selecting signal and applies the selected voltage to the signal electrode.
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Casio Computer Co. Ltd.
Mengistu Amare
Osorio Ricardo
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