US 12,444,380 B2
Display content updating method and device, and medium
Yanchen Li, Zhejiang (CN); Jianguo Zhao, Zhejiang (CN); and Shiguo Hou, Zhejiang (CN)
Assigned to HANSHOW TECHNOLOGY CO., LTD., Jiangsu (CN)
Filed by HANSHOW TECHNOLOGY CO., LTD., Zhejiang (CN)
Filed on May 30, 2024, as Appl. No. 18/678,947.
Claims priority of application No. 202311226625.5 (CN), filed on Sep. 22, 2023.
Prior Publication US 2025/0104659 A1, Mar. 27, 2025
Int. Cl. G09G 3/34 (2006.01)
CPC G09G 3/344 (2013.01) [G09G 2320/0686 (2013.01); G09G 2340/0435 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display content updating method, comprising:
acquiring a color region comprised in a multi-color image and a color type corresponding to the color region;
acquiring a first color region whose color type belongs to a multi-color coincident refresh and determining a remaining color region as a second color region;
acquiring a first refresh color and a second refresh color of the first color region, wherein the first refresh color is refreshed before the second refresh color, and the first refresh color and the second refresh color are used for performing a coincident refresh on a same color region so that a color of the same color region is refreshed to obtain a target color;
determining the first color region and the second color region as a first color group and updating the color type of the first color region in the first color group to the first refresh color;
dividing the first color region to obtain at least one second color group and updating the color type of the first color region in a second color group of the at least one second color group to the second refresh color;
determining, according to color types comprised in the first color group, color regions corresponding to the color types comprised in the first color group, color types comprised in the second color group, and color regions corresponding to the color types comprised in the second color group, plurality of pieces of refresh image data and refresh instructions corresponding to the plurality of pieces of refresh image data; and
sending the plurality of pieces of refresh image data and the refresh instructions to a controller of an electronic paper screen so that the controller refreshes display content of the electronic paper screen based on the corresponding plurality of pieces of refresh image data and the refresh instructions.