US 12,235,548 B2
Display panel, manufacturing method thereof, and display device
Liang Li, Shenzhen (CN)
Assigned to TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Shenzhen (CN)
Appl. No. 17/434,707
Filed by TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Shenzhen (CN)
PCT Filed Jun. 30, 2021, PCT No. PCT/CN2021/103362
§ 371(c)(1), (2) Date Aug. 27, 2021,
PCT Pub. No. WO2022/262010, PCT Pub. Date Dec. 22, 2022.
Claims priority of application No. 202110678194.0 (CN), filed on Jun. 18, 2021.
Prior Publication US 2024/0019740 A1, Jan. 18, 2024
Int. Cl. G02F 1/1343 (2006.01); G02F 1/1335 (2006.01)
CPC G02F 1/13439 (2013.01) [G02F 1/133512 (2013.01); G02F 1/133514 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A display panel, comprising:
a lower substrate having data lines;
an upper substrate arranged opposite to the lower substrate;
a liquid crystal layer filled between the lower substrate and the upper substrate;
a first electrode layer disposed on a side of the upper substrate awayfrom the liquid crystal layer; and
a second electrode layer disposed on a side of the upper substrate away from the first electrode layer,
wherein the upper substrate comprises at least one via hole, a metal layer is located in the at least one via hole and extends from a sidewall of the via hole to an upper side and a lower side of the upper substrate, a thickness of the metal layer is greater than a thickness of the upper substrate, and a thickness of the metal layer on the upper side of the upper substrate and a thickness of the metal layer on the lower side of the upper substrate are respectivelysmaller than that of the first electrode layer and the second electrode layer, and
the first electrode layer and the second electrode layer are electrically connected to each other through the metal layer, and each of the first electrode layer and the second electrode layer extends into a display area of the display panel.