US 12,443,299 B2
Display panel and electronic device
Liangying Xu, Guangdong (CN); and Feng Zheng, Guangdong (CN)
Assigned to TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Guangdong (CN)
Filed by TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Guangdong (CN)
Filed on Nov. 29, 2023, as Appl. No. 18/523,502.
Claims priority of application No. 202311288131.X (CN), filed on Oct. 7, 2023.
Prior Publication US 2025/0117095 A1, Apr. 10, 2025
Int. Cl. G06F 3/041 (2006.01); G06F 3/044 (2006.01); H01L 25/075 (2006.01); H01L 33/62 (2010.01); H10H 20/857 (2025.01)
CPC G06F 3/0412 (2013.01) [G06F 3/0445 (2019.05); G06F 3/0446 (2019.05); H01L 25/0753 (2013.01); H10H 20/857 (2025.01); G06F 2203/04107 (2013.01); G06F 2203/04111 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A display panel comprising at least one first display substrate, the first display substrate comprising:
a first insulating layer;
a drive device layer disposed on a side of the first insulating layer, the drive device layer comprising a first touch control drive device and a first light-emitting drive device;
a first touch control layer disposed on a side of the first insulating layer away from the drive device layer, the first touch control layer being provided with a number of first touch control electrodes electrically connected to a first touch control drive device;
a light-emitting device binding layer disposed on a side of the first touch control layer away from the drive device layer, the light-emitting device binding layer being provided with a number of binding electrodes electrically connected to the first light-emitting drive device; and
a light-emitting device disposed on a side of the light-emitting device binding layer away from the first touch control layer and bonded to the binding electrode;
wherein the first display substrate further comprises a plurality of first via holes, each of the first via holes penetrating the first insulating layer, the first touch control electrode comprising an electrode portion and a connection portion, the electrode portion being located on the side of the first insulating layer away from the drive device layer, the connection portion being located in the first via hole, the electrode portion being electrically connected to the first touch control drive device through the connection portion,
wherein the first display substrate further comprises:
a signal line layer disposed on a side of the first insulating layer adjacent to the first touch control layer, the signal line layer comprising a number of signal traces electrically connected between the first light-emitting drive device and the binding electrode;
a third insulating layer disposed between the signal line layer and the first touch control layer; and
a fourth insulating layer disposed between the first touch control layer and the light-emitting device binding layer;
wherein the first display substrate further comprises a plurality of second via holes and a plurality of third via holes, the second via hole penetrating the fourth insulating layer, the first touch control layer, and the third insulating layer, the third via hole penetrating the first insulating layer, the binding electrode being electrically connected to the signal trace through the second via hole, and the signal trace being electrically connected to the first light-emitting drive device through the third via hole,
wherein the first touch control electrode comprises a first drive electrode and a first sense electrode, the first drive electrode and the first sense electrode being arranged at a same layer, the first drive electrode and the first sense electrode of the first touch control layer are intersected in an insulation manner to form a grid, the second via hole passes through the grid formed by the first drive electrode and the first sense electrode.