Method and Device for Modulating Backlight Source, Light Bar, Backlight Module, and Display Device
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United States of America Patent
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Oct 24, 2016
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Jan 4, 2016
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Abstract
A method and device for modulating a backlight source, a light bar, a backlight module, a display device, which can reduce the noise output from the backlight source. The method for modulating the backlight source includes inputting a periodic AC voltage to the backlight source within a time period of an image frame, so that the backlight source is periodically turned on and off. The display device may have a fingerprint or palmprint recognition function.
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