Driver circuit of display and method for calibrating brightness of display
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United States of America Patent
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Feb 18, 2014
Grant Date -
Jul 1, 2010
app pub date -
Dec 30, 2009
filing date -
Dec 31, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A driver circuit for driving at least a pixel of a displayer, including an output stage, a calibration device and a surge suppression device. The output stage is coupled to the pixel and controlled by a pixel signal to switch an output voltage on the pixel between a high level and a low level. The calibration device is coupled between the output stage and the pixel and comprises an input end controlled by a bias voltage to calibrate an equivalent resistance of the calibration device for further calibrating a brightness level of the pixel. The surge suppression device is coupled between the input end of the calibration device and the pixel signal, and is used to suppress surges in the bias voltage which occur due to switching of the output voltage.
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