US 12,356,549 B2
Display panel and display apparatus
Jiaqin Zhang, Beijing (CN); Chang Zhang, Beijing (CN); Chuanyan Lan, Beijing (CN); Qun Jia, Beijing (CN); Yong Yu, Beijing (CN); and Yongle Wang, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 17/921,361
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Nov. 24, 2021, PCT No. PCT/CN2021/132915
§ 371(c)(1), (2) Date Oct. 26, 2022,
PCT Pub. No. WO2023/092355, PCT Pub. Date Jun. 1, 2023.
Prior Publication US 2024/0397626 A1, Nov. 28, 2024
Int. Cl. H05K 1/14 (2006.01); H05K 1/02 (2006.01)
CPC H05K 1/147 (2013.01) [H05K 1/0298 (2013.01); H05K 2201/10128 (2013.01); H05K 2201/10151 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A display panel, comprising a display substrate, a first printed circuit board and a second printed circuit board, wherein the display substrate comprises a display area and a bonding area located on a side of the display area, the bonding area is connected with the first printed circuit board through a first flexible printed circuit, and the first printed circuit board is connected with the second printed circuit board through a second flexible printed circuit; and the first printed circuit board is a wiring circuit board mounted with a signal connection line, the second printed circuit board is a drive circuit board mounted with a drive chip, and an orthographic projection of the second printed circuit board on a plane of the display panel does not overlap with an orthographic projection of the display substrate on the plane of the display panel, wherein the first printed circuit board comprises a first board body and a connection line layer provided on the first board body, a thickness of the first board body is 0.25 mm to 0.35 mm, and a thickness of the connection line layer is 0.15 mm to 0.25 mm.