US 12,488,726 B2
Display panels, compensation methods thereof, devices for generating compensation grayscales
Shuming Chang, Guangdong (CN)
Assigned to HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., Guangdong (CN); and TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Guangdong (CN)
Appl. No. 18/561,216
Filed by HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., Guangdong (CN); and TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Guangdong (CN)
PCT Filed Sep. 22, 2023, PCT No. PCT/CN2023/120574
§ 371(c)(1), (2) Date Nov. 15, 2023,
PCT Pub. No. WO2025/035540, PCT Pub. Date Feb. 20, 2025.
Claims priority of application No. 202311025377.8 (CN), filed on Aug. 14, 2023.
Prior Publication US 2025/0104595 A1, Mar. 27, 2025
Int. Cl. G09G 3/20 (2006.01)
CPC G09G 3/2074 (2013.01) [G09G 2320/0233 (2013.01); G09G 2320/0242 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A compensation method of a display panel, comprising:
dividing a display area of the display panel to at least a first display portion and a second display portion, wherein the first display portion comprises a plurality of first subpixels, the second display portion comprises a plurality of second subpixels, colors of the first subpixels and colors of the second subpixels are same;
obtaining a first compensation grayscale corresponding to a first original grayscale of the first subpixels, and obtaining a second compensation grayscale corresponding to a first original grayscale of the second subpixels, wherein the first compensation grayscale is determined at least by a second brightness of the second subpixels under the first original grayscale, and the second compensation grayscale is determined at least by a first brightness of the first subpixels under the first original grayscale; and
controlling a first part of the first subpixels and a first part of the second subpixels to emit light under the first original grayscale, controlling a second part of the first subpixels to emit light under the first compensation grayscale, and controlling a second part of the second subpixels to emit light under the second compensation grayscale.