DISPLAY DRIVER CIRCUIT BOARD, DRIVING METHOD THEREOF, AND DISPLAY DEVICE
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United States of America Patent
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app pub date -
Oct 17, 2017
filing date -
May 25, 2017
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Abstract
Embodiments of the disclosure provide a display driver circuit board, a driving method of the same, and a display device, where a display refresh frequency detection unit and a common voltage pre-storage and compensation unit are added to the display driver circuit board, so that the display refresh frequency detection unit can detect a display refresh frequency of a frame start signal output by a timing control circuit, and output the detected display refresh frequency to a common voltage pre-storage and compensation unit, and thereafter the common voltage pre-storage and compensation unit can determine a common voltage corresponding to the display refresh frequency output by the display refresh frequency detection unit according to a pre-stored correspondence relationship between respective display refresh frequencies and respective common voltages, and control a power source management circuit to output the common voltage corresponding to the display refresh frequency.
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