DISPLAY APPARATUS AND DYNAMIC VOLTAGE CONTROLLER
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United States of America Patent
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Issued Date -
Nov 30, 2017
app pub date -
May 19, 2017
filing date -
May 27, 2016
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Abstract
A dynamic voltage controller applied to a display apparatus is disclosed. The display apparatus includes a display panel and a power supply. The power supply is coupled to the display panel. The dynamic voltage controller includes a data analyzing module and a voltage control module. The data analyzing module receives and analyzes an image data to obtain a maximum brightness, an average brightness and an average current to further estimate a minimum driving voltage needed for the display panel to display the image data. The voltage control module coupled between the data analyzing module and power supply is used to output a voltage control signal to the power supply according to the minimum driving voltage, so that the power supply is controlled by the voltage control signal to output the minimum driving voltage to the display panel to drive the display panel to display the image data.
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