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Driving method for high dynamic range display screen, driving apparatus and display screen

  • US 10,462,379 B2
  • Filed: 02/06/2017
  • Issued: 10/29/2019
  • Est. Priority Date: 05/06/2016
  • Status: Active Grant
First Claim
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1. A driving method of a high dynamic range display screen, comprising:

  • acquiring image data to be displayed;

    determining a local backlight brightness of each region in a backlight module according to the image data to be displayed;

    adjusting pixel brightness corresponding to the image data to be displayed according to the local backlight brightness and a maximum backlight bright in the backlight module; and

    carrying out display according to the adjusted brightness and the determined local backlight brightness of each region;

    wherein the adjusting the brightness of the image data to be displayed according to the local backlight brightness and the maximum backlight brightness in the backlight module comprises;

    determining original pixel brightness according to the image data to be displayed; and

    adjusting the original pixel brightness according to the local backlight brightness and the maximum backlight brightness in the backlight module;

    wherein the adjusting the original pixel brightness according to the local backlight brightness and the maximum backlight brightness in the backlight module comprises;

    adjusting the original pixel brightness by adopting a formula as follows;

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