US 11,810,521 B1
Display drive method for reducing difference between light emitting efficiencies of subpixels, display driver, and display device
Xigang Liu, Wuhan (CN); Shuo Tang, Wuhan (CN); Zhihua Yu, Wuhan (CN); and Xiangyu Gao, Wuhan (CN)
Assigned to WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., Wuhan (CN)
Filed by Wuhan Tianma Micro-Electronics Co., Ltd., Wuhan (CN)
Filed on Jul. 22, 2022, as Appl. No. 17/871,289.
Claims priority of application No. 202210439038.3 (CN), filed on Apr. 25, 2022.
Int. Cl. G09G 3/3291 (2016.01)
CPC G09G 3/3291 (2013.01) [G09G 2300/0452 (2013.01); G09G 2300/0842 (2013.01); G09G 2310/027 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A display drive method, applied to a display panel, the display panel having a subpixel used for image display, comprising:
obtaining a to-be-displayed grayscale of a to-be-displayed subpixel;
selecting a suitable compensation manner based on the to-be-displayed grayscale; and
providing a data voltage for the to-be-displayed sub-pixel based on the selected compensation manner;
wherein:
the compensation manner includes a first compensation manner and a second compensation manner;
in response to the to-be-displayed grayscale being 0 grayscale, the first compensation manner is selected;
in response to the to-be-displayed grayscale being greater than 0 grayscale, the second compensation manner is selected; and
the first compensation manner is used to reduce a difference between light-emitting efficiencies of sub-pixels with different light-emitting colors under a same grayscale.