Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2006-09-26
2006-09-26
Hjerpe, Richard (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S063000, C345S089000
Reexamination Certificate
active
07113156
ABSTRACT:
It has a gradation voltage generation circuit1for generating a plurality of voltage values suited to gamma characteristics of a liquid crystal and so on, a digital image data storage circuit3for storing digital image data displayed on a display device, a gradation voltage selection circuit2for selecting one value according to digital data stored by the digital image data storage circuit3from the plurality of voltage values generated by the gradation voltage generation circuit1,an amplifier4for receiving a voltage selected according to the digital image data and driving a data line of the liquid crystal and so on at a predetermined voltage, a voltage detection circuit7for detecting voltage variations of the amplifier4,a correction data storage circuit6for storing a state of the voltage variations of the amplifier4,and a voltage correction circuit5for correcting output voltage variations of the amplifier4.
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Fatahi-yar M.
Foley & Lardner LLP
NEC Electronics Corporation
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