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

Claim 4:
5. The backlight adjusting method according to claim 4, further comprising:
determining a maximum pixel value among all pixels within each display subarea;
determining a minimum backlight threshold required for preventing pixels in each display subarea from compensation overflow, according to the maximum pixel value of each display subarea and a preset gamma curve;
calculating a backlight compensation value of each backlight subarea, according to the first correction backlight value of each backlight subarea and the minimum backlight threshold corresponding to each backlight subarea, to obtain a backlight compensation matrix corresponding to all the backlight subareas; and
compensating the pixels of the display subarea corresponding to each backlight subarea, according to the backlight compensation matrix and the second correction backlight value of each backlight subarea.