US 12,008,832 B2
Display module and display device
Xiaodong Hao, Beijing (CN); Kang Wang, Beijing (CN); Danyang Bi, Beijing (CN); Wei Chen, Beijing (CN); Wei Gong, Beijing (CN); Xiangdong Wei, Beijing (CN); Renzhe Xu, Beijing (CN); and Yi Zhang, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 17/800,544
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Nov. 17, 2021, PCT No. PCT/CN2021/131075
§ 371(c)(1), (2) Date Aug. 18, 2022,
PCT Pub. No. WO2022/179198, PCT Pub. Date Sep. 1, 2022.
Claims priority of application No. 202110209454.X (CN), filed on Feb. 24, 2021.
Prior Publication US 2023/0068253 A1, Mar. 2, 2023
Int. Cl. G06V 40/13 (2022.01); H10K 59/126 (2023.01)
CPC G06V 40/1306 (2022.01) [H10K 59/126 (2023.02)] 15 Claims
OG exemplary drawing
 
1. A display module, comprising a display panel, a heat dissipation film disposed on a side of the display panel facing away from a display side, and an ultrasonic fingerprint module wherein:
the heat dissipation film is provided with a first opening, and the ultrasonic fingerprint module comprises a sensor which is disposed in the first opening and fixed on the side of the display panel facing away from the display side by a shading adhesive layer;
the display module further comprises a light shielding sheet that is attached to a side of the heat dissipation film facing away from the display panel, wherein the light shielding sheet is provided with a second opening which exposes the sensor, and an orthographic projection of the light shielding sheet and the shading adhesive layer on the display panel comprises an orthographic projection of the first opening on the display panel; and
a circumferential edge of the shading adhesive layer protrudes from the sensor, and an area of the light shielding sheet close to the second opening is attached to a portion of the shading adhesive layer protruding from the sensor.