US 12,131,573 B2
Display panel including active layers of transistors and photosensors disposed at a same layer, and method of manufacturing display panel
Jiyue Song, Hubei (CN)
Assigned to WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Hubei (CN)
Appl. No. 17/620,735
Filed by WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Hubei (CN)
PCT Filed Dec. 15, 2021, PCT No. PCT/CN2021/138548
§ 371(c)(1), (2) Date Dec. 19, 2021,
PCT Pub. No. WO2023/102992, PCT Pub. Date Jun. 15, 2023.
Claims priority of application No. 202111501335.8 (CN), filed on Dec. 9, 2021.
Prior Publication US 2024/0071125 A1, Feb. 29, 2024
Int. Cl. G06V 40/13 (2022.01); G06F 3/041 (2006.01); H01L 21/77 (2017.01)
CPC G06V 40/1318 (2022.01) [G06F 3/0412 (2013.01); H01L 21/77 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A display panel, comprising:
a fingerprint recognition layer;
a light path layer disposed on the fingerprint recognition layer; and
a display panel main body disposed on the light path layer, wherein
the fingerprint recognition layer comprises a plurality of transistors arranged in an array and a plurality of photosensors electrically connected to the plurality of transistors; and
active layer patterns of the transistors and photosensitive layer patterns of the photosensors are disposed at a same layer;
wherein the fingerprint recognition layer further comprises a first metal layer and a first transparent electrical conductive layer, the first metal layer and the first transparent electrical conductive layer are disposed at a same layer, the first metal layer comprises gate patterns of the transistors, and the first transparent electrical conductive layer comprises low electrode patterns of the photosensors.