US 12,456,422 B2
Display panel and display device
Yao Huang, Beijing (CN); Jianchang Cai, Beijing (CN); and Yue Long, Beijing (CN)
Assigned to CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Sichuan (CN); and BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., Beijing (CN)
Appl. No. 18/018,876
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Jan. 10, 2022, PCT No. PCT/CN2022/071125
§ 371(c)(1), (2) Date Jan. 31, 2023,
PCT Pub. No. WO2022/174692, PCT Pub. Date Aug. 25, 2022.
Claims priority of application No. PCT/CN2021/077084 (WO), filed on Feb. 20, 2021.
Prior Publication US 2023/0306904 A1, Sep. 28, 2023
Int. Cl. G09G 3/3233 (2016.01); H10K 59/121 (2023.01); H10K 59/126 (2023.01); H10K 59/131 (2023.01); H10K 59/65 (2023.01)
CPC G09G 3/3233 (2013.01) [H10K 59/1213 (2023.02); H10K 59/1216 (2023.02); H10K 59/126 (2023.02); G09G 2300/0408 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0842 (2013.01); G09G 2300/0861 (2013.01); G09G 2310/0202 (2013.01); G09G 2310/08 (2013.01); H10K 59/131 (2023.02); H10K 59/65 (2023.02)] 18 Claims
OG exemplary drawing
 
1. A display panel, comprising:
a base substrate;
a plurality of pixel units disposed on the base substrate, wherein the pixel unit comprises a pixel circuit and a light-emitting element, the pixel circuit being configured to drive the light-emitting element;
a constant voltage line, configured to provide a constant voltage to the pixel circuit; and
a plurality of shield electrodes, wherein at least one of the plurality of shield electrodes corresponds to at least one pixel circuit, an orthographic projection of the at least one of the plurality of shield electrodes on the base substrate is at least partially overlapped with an orthographic projection of the corresponding at least one pixel circuit on the base substrate, at least part of the plurality of shield electrodes are connected, the at least part of the plurality of shield electrodes which are connected are electrically connected to the constant voltage line, and in a direction perpendicular to the base substrate, the shield electrode is disposed between a conductive line and the pixel circuit, the conductive line being configured to connect a pixel circuit and a light-emitting element that are in different display regions,
wherein the at least part of the plurality of shield electrodes are connected by a connecting portion, wherein the connecting portion comprises a third connecting portion connected between at least two of the plurality of shield electrodes that are arranged in a third direction, and the at least two of the plurality of shield electrodes are connected in a misaligned manner by the third connecting portion, wherein the third direction intersects the first direction and the second direction, and is parallel to the base substrate; and
wherein the base substrate is provided with a first display region and a second display region, the first display region being on at least one side of the second display region, wherein the first display region comprises a main display region and an auxiliary display region, wherein the main display region is on at least one side of the auxiliary display region, and the auxiliary display region is adjacent to the second display region; and the plurality of shield electrodes that are connected are disposed in both the main display region and the auxiliary display region, only one of the plurality of shield electrodes that are connected in the main display region is connected to the constant voltage line through a first via hole, and shield electrodes in the auxiliary display region are not connected to the constant voltage line.