Display Device with Backlight Dimming Compensation
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United States of America Patent
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N/A
Issued Date -
Jan 9, 2014
app pub date -
Jun 18, 2013
filing date -
Jul 5, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A light emitting display device with backlight dimming compensation. A backlight emits light based on a backlight control signal. A power supply generates a first supply voltage based on a supply control signal. A data driver converts pixel data into analog data voltages. A dynamic voltage range of the analog data voltages is controlled by the first supply voltage. A pixel array includes a plurality of pixels, and transparency of the pixels to the light emitted by the backlight is based on the analog data voltages. A power control module of the display device determines if a power condition is met and, responsive to the power condition being met, adjusts the backlight control signal to reduce a brightness of light emitted by the backlight and adjusts the supply control signal to increase the first supply voltage.
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