US 11,657,748 B2
Display control method and display device
Zhengliu Lu, Beijing (CN)
Assigned to LENOVO (BEIJING) CO., LTD., Beijing (CN)
Filed by Lenovo (Beijing) Limited, Beijing (CN)
Filed on Dec. 15, 2021, as Appl. No. 17/551,688.
Claims priority of application No. 202110330654.0 (CN), filed on Mar. 26, 2021.
Prior Publication US 2022/0309977 A1, Sep. 29, 2022
Int. Cl. G09G 3/20 (2006.01)
CPC G09G 3/20 (2013.01) [G09G 2310/0281 (2013.01); G09G 2330/021 (2013.01); G09G 2340/0435 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A display control method, comprising:
providing at least two display driver ICs (DDICs), with at least two of the DDICs disposed at each opposing side of a display screen having a display area of a display device, and each of the DDICs having a corresponding circuit for driving each pixel in the display area;
in a normal mode whereby the display area is undivided, turning on one of the DDICs, serving fully the display area and leaving at least one of the DDICs idle; and
in a division mode whereby the display area of the display device being divided into multiple display sub-areas, turning on at least two of the DDICs, each serving one of the multiple display sub-areas and controlling outputs from the multiple display sub-areas at corresponding refresh rates.