US 12,079,425 B2
Display panel and driving method thereof
Bao Zha, Guangdong (CN)
Assigned to Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Shenzhen (CN)
Appl. No. 17/270,877
Filed by Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Guangdong (CN)
PCT Filed Jan. 21, 2021, PCT No. PCT/CN2021/073114
§ 371(c)(1), (2) Date Sep. 26, 2023,
PCT Pub. No. WO2022/141697, PCT Pub. Date Jul. 7, 2022.
Claims priority of application No. 202011606397.0 (CN), filed on Dec. 30, 2020.
Prior Publication US 2024/0036677 A1, Feb. 1, 2024
Int. Cl. G06F 3/045 (2006.01); G06F 3/041 (2006.01); G06F 3/044 (2006.01); G09G 3/36 (2006.01); G02F 1/1333 (2006.01); G02F 1/1362 (2006.01); G02F 1/1368 (2006.01)
CPC G06F 3/0418 (2013.01) [G06F 3/0412 (2013.01); G06F 3/04166 (2019.05); G06F 3/0443 (2019.05); G09G 3/3648 (2013.01); G02F 1/13338 (2013.01); G02F 1/136286 (2013.01); G02F 1/1368 (2013.01); G06F 2203/04107 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0209 (2013.01); G09G 2354/00 (2013.01); G09G 2360/144 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A display panel, wherein the display panel comprises a substrate, a light control device, a display device, and a touch device; the light control device, the display device, and the touch device are disposed on the substrate; the light control device, the display device, and the touch device are respectively operated in a first time period, a second time period, and a third time period, and any two of the first time period, the second time period, and the third time period are not intersected; wherein the light control device comprises a photosensitive thin film transistor and a switching thin film transistor electrically connected to each other, the display device comprises a display thin film transistor, and the touch device comprises a touch thin film transistor; and the photosensitive thin film transistor, the switching thin film transistor, the display thin film transistor, and the touch thin film transistor are disposed in a same layer and formed of a same material;
wherein the display panel further comprises:
a light control scan line electrically connected to the light control device so that the light control device operates in the first time period;
a display scan line electrically connected to the display device so that the display device operates in the second time period; and
a touch scan line electrically connected to the touch device so that the touch device operates in the third time period.