US 12,475,860 B2
Display and backlight compensation method thereof
Po-Kun Chen, Hsinchu (TW); Ai-Ling Lin, Hsinchu (TW); Ting-Ting Kuo, Hsinchu (TW); and Ren-Wei Huang, Hsinchu (TW)
Assigned to AUO Display Plus Corporation, Hsinchu (TW)
Filed by AUO Display Plus Corporation, Hsinchu (TW)
Filed on Dec. 26, 2024, as Appl. No. 19/001,605.
Claims priority of application No. 113147322 (TW), filed on Dec. 5, 2024.
Prior Publication US 2025/0124885 A1, Apr. 17, 2025
Int. Cl. G09G 3/34 (2006.01); G09G 3/20 (2006.01)
CPC G09G 3/3426 (2013.01) [G09G 3/2007 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/0276 (2013.01); G09G 2320/062 (2013.01); G09G 2320/0686 (2013.01); G09G 2360/16 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A backlight compensation method of a display, the display having a driving unit and a backlight unit, the backlight compensation method comprising:
providing a gamma value of the display;
performing local dimming of the backlight unit according to the gamma value;
obtaining an area peak luminance of each area in the backlight unit;
obtaining a windows size of the backlight unit and a corresponding luminance dependency of windows size;
obtaining, by the driving unit, a first display luminance corresponding to each area in the backlight unit according to a product of the area peak luminance of each area and the luminance dependency of windows size; and
performing luminance compensation in each area of the backlight unit according to the first display luminance.