US 12,225,803 B2
Display apparatuses, display panels and preparation methods of display panel
Ke Yang, Beijing (CN); Huaisen Ren, Beijing (CN); Zubin Lv, Beijing (CN); Zhendong Li, Beijing (CN); and Tao Gao, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Chengdu (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Filed on Jun. 25, 2021, as Appl. No. 17/359,470.
Claims priority of application No. 202010859306.8 (CN), filed on Aug. 24, 2020.
Prior Publication US 2022/0059601 A1, Feb. 24, 2022
Int. Cl. H10K 59/60 (2023.01); H01L 27/146 (2006.01); G06V 40/13 (2022.01)
CPC H10K 59/60 (2023.02) [H01L 27/14603 (2013.01); H01L 27/14643 (2013.01); H01L 27/14678 (2013.01); H01L 27/14683 (2013.01); G06V 40/1318 (2022.01)] 19 Claims
OG exemplary drawing
 
1. A display panel, comprising:
a substrate and a cover plate, disposed oppositely;
a plurality of drive transistors, disposed on the substrate and located at a side of the substrate facing toward the cover plate;
a plurality of reading transistors, disposed on the substrate and located at a side of the substrate facing toward the cover plate;
a plurality of Schottky photodiodes, disposed on the substrate and located at a side of the substrate facing toward the cover plate and each of the Schottky photodiodes comprising:
a photosensitive active layer; and
an interdigital electrode layer, wherein the interdigital electrode layer is disposed on the photosensitive active layer and comprises at least one first interdigital electrode and at least one second interdigital electrode spaced apart, the at least one first interdigital electrode is connected to a corresponding one of the reading transistors, and each of the at least one second interdigital electrode is connected to a bias signal terminal; and
a plurality of light-emitting units, disposed between the substrate and the cover plate and connected to the drive transistors one-to-one;
wherein, a plurality of recesses are disposed at a surface of the photosensitive active layer away from the substrate, and the interdigital electrode layer fills the plurality of recesses.