US 12,482,433 B2
Drive method and drive circuit of display panel, and display device
Zeyao Li, Guangdong (CN); and Lidan Ye, Guangdong (CN)
Assigned to HKC CORPORATION LIMITED, Shenzhen (CN)
Filed by HKC Corporation Limited, Guangdong (CN)
Filed on Jun. 23, 2024, as Appl. No. 18/751,311.
Claims priority of application No. 202310880726.8 (CN), filed on Jul. 18, 2023.
Prior Publication US 2025/0029569 A1, Jan. 23, 2025
Int. Cl. G09G 3/34 (2006.01); G09G 3/36 (2006.01)
CPC G09G 3/3406 (2013.01) [G09G 3/3607 (2013.01); G09G 3/3648 (2013.01); G09G 2300/0852 (2013.01); G09G 2310/08 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A drive method of a display panel, wherein the display panel comprises a plurality of pixel units, each of the plurality of pixel units corresponds to a storage capacitor and a liquid crystal capacitor; a time required for displaying each frame image through the display panel comprises a first sub-field sequence, a second sub-field sequence, and a third sub-field sequence in sequence, and each sub-field sequence comprises a data writing period and a backlight luminescent period in sequence;
wherein a pixel driver data required by the first sub-field sequence is a first display data, and the first display data comprises a first data and a second data;
wherein a pixel driver data required by the second sub-field sequence is a second display data, and the second display data comprises a third data and a fourth data; and
wherein a pixel driver data required by the third sub-field sequence is a third display data, and the third display data comprises a fifth data and a sixth data;
wherein the drive method comprises:
writing a first data and a second data obtained by the storage capacitor into the liquid crystal capacitor during an operating period of a previous frame image during a data writing period of a first sub-field sequence of a current frame image;
temporarily storing a fourth data required by the second sub-field sequence and a fifth data required by the third sub-field sequence into the storage capacitor during a backlight luminescent period of the first sub-field sequence of the current frame image; and providing a backlight to the display panel;
writing the third data obtained during the operating period of the previous frame image and the fourth data in the storage capacitor into the liquid crystal capacitor during a data writing period of a second sub-field sequence of the current frame image;
temporarily storing a sixth data required by the third sub-field sequence and a first data required by a next frame image into the storage capacitor during a backlight luminescent period of the second sub-field sequence of the current frame image; and providing the backlight to the display panel;
writing the fifth data and the sixth data in the storage capacitor into the liquid crystal capacitor during a data writing period of the third sub-field sequence of the current frame image; and
temporarily storing a second data and a third data required by the next frame image into the storage capacitor during a backlight luminescent period of the third sub-field sequence of the current frame image, and providing the backlight to the display panel.