Patent ID: 11915661
Assignee: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A backlight adjusting method of a display device, wherein the display device comprises a display panel and a backlight element, the display panel is divided into a plurality of display subareas, the backlight element comprises a plurality of backlight subareas, the display subareas and the backlight subareas are in a one-to-one correspondence, the method comprises:
for each of the backlight subareas, calculating an initial backlight value of the backlight subarea according to pixel information of the display subarea corresponding to the backlight subarea; and
determining a first correction backlight value of the backlight subarea according to a preset backlight threshold and an initial backlight value of each of the other backlight subareas adjacent to the backlight subarea;
wherein the preset backlight threshold comprises a first preset backlight threshold and a second preset backlight threshold, and the determining the first correction backlight value of the backlight subarea according to the preset backlight threshold and the initial backlight value of another backlight subarea adjacent to the backlight subarea comprises:
determining a quantity of initial backlight values of all the other backlight subareas adjacent to the backlight subarea being greater than the second preset backlight threshold,
determining a type of the backlight subarea according to the quantity, wherein the type of the backlight subarea comprise an isolated halo backlight subarea and a non-isolated halo backlight subarea; and
determining the first correction backlight value of the backlight subarea, according to the first preset backlight threshold, the quantity, the type of the backlight subarea and the initial backlight values of a plurality of the backlight subareas adjacent to the backlight subarea.