US 11,991,907 B2
Display panel and display device
Xiaoxia Huang, Beijing (CN); Bing Ji, Beijing (CN); and Shuang Zhang, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Chengdu (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 17/282,806
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Chengdu (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Jun. 22, 2020, PCT No. PCT/CN2020/097552
§ 371(c)(1), (2) Date Apr. 5, 2021,
PCT Pub. No. WO2021/258269, PCT Pub. Date Dec. 30, 2021.
Prior Publication US 2022/0190089 A1, Jun. 16, 2022
Int. Cl. H10K 59/131 (2023.01); G09G 3/00 (2006.01)
CPC H10K 59/131 (2023.02) [G09G 3/006 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A display panel, comprising:
a display cell, comprising:
a plurality of display pins; and
a plurality of cell test pins;
wherein the display pins and the cell test pins are arranged in a bonding region of the display cell;
a chip on film, bonded to a side facing away from a display surface of the display cell, an orthographic projection of the chip on film on the display cell completely covering the display pins and the cell test pins;
a plurality of signal lines in a display region of the display cell; wherein the signal lines are electrically connected to the display pins in a one-to-one manner; and
a plurality of test lines arranged at a periphery of the display region of the display cell and electrically connected to the signal lines in a one-to-one manner; wherein the test lines are electrically connected to the cell test pins in a one-to-one manner.