US 12,462,724 B2
Display compensation method, apparatus, and device, medium, and display apparatus
Hongyu Wang, Kunshan (CN); Chong Han, Kunshan (CN); and Shuangjia Li, Kunshan (CN)
Assigned to KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD, Kunshan (CN)
Filed by KunShan Go-Visionox Opto-Electronics Co., Ltd, Jiangsu (CN)
Filed on Dec. 5, 2024, as Appl. No. 18/969,685.
Application 18/969,685 is a continuation of application No. PCT/CN2022/122281, filed on Sep. 28, 2022.
Claims priority of application No. 202210744996.1 (CN), filed on Jun. 28, 2022.
Prior Publication US 2025/0104593 A1, Mar. 27, 2025
Int. Cl. G09G 3/20 (2006.01)
CPC G09G 3/2007 (2013.01) [G09G 2320/0223 (2013.01); G09G 2320/0233 (2013.01); G09G 2360/16 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A display compensation method, comprising:
acquiring brightness parameters of two or more target grayscales in all grayscales of a display panel, and determining, based on the brightness parameters, target grayscales with consistent brightness trends and target grayscales with inconsistent brightness trends;
determining a brightness trend consistency interval of all the grayscales according to the target grayscales with consistent brightness trends and the target grayscales with inconsistent brightness trends;
calculating, for target grayscales in all the grayscales of the display panel, a Demura compensation coefficient by using a Demura compensation algorithm;
calculating, for target grayscales of the display panel that are within the brightness trend consistency interval, a uniformity compensation coefficient by using a uniformity compensation algorithm; and
writing the Demura compensation coefficient and the uniformity compensation coefficient into a driving integrated circuit, the driving integrated circuit reading the Demura compensation coefficient and the uniformity compensation coefficient according to a displayed grayscale to perform compensation;
wherein the target grayscales comprise a maximum grayscale, and the determining a brightness trend consistency interval of all the grayscales according to the target grayscales with consistent brightness trends and the target grayscales with inconsistent brightness trends comprises:
searching the target grayscales for a first target grayscale in descending order of the target grayscales, the first target grayscale being a first target grayscale with an inconsistent brightness trend; and
determining the brightness trend consistency interval according to the first target grayscale, an upper limit value of the brightness trend consistency interval being the maximum grayscale, and a lower limit value of the brightness trend consistency interval being the first target grayscale.