US 12,288,420 B2
Display device, method for producing display device, and gesture recognition method
Yubo Wang, Beijing (CN); Lei Wang, Beijing (CN); Yangbing Li, Beijing (CN); Liang Cui, Beijing (CN); Yuanyuan Ma, Beijing (CN); Ping Zhang, Beijing (CN); and Yanling Han, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Filed on Nov. 22, 2021, as Appl. No. 17/532,670.
Claims priority of application No. 202110295374.0 (CN), filed on Mar. 19, 2021.
Prior Publication US 2022/0300733 A1, Sep. 22, 2022
Int. Cl. B06B 1/06 (2006.01); B06B 1/02 (2006.01); G06F 18/214 (2023.01); G06V 10/40 (2022.01); G06V 40/13 (2022.01); G06V 40/20 (2022.01); G09G 3/3208 (2016.01); H10K 59/122 (2023.01); H10K 59/65 (2023.01); H10K 71/00 (2023.01); H10K 59/12 (2023.01); H10N 39/00 (2023.01)
CPC G06V 40/28 (2022.01) [B06B 1/0215 (2013.01); B06B 1/0629 (2013.01); B06B 1/0666 (2013.01); G06F 18/214 (2023.01); G06V 10/40 (2022.01); G06V 40/1306 (2022.01); G09G 3/3208 (2013.01); H10K 59/122 (2023.02); H10K 59/65 (2023.02); H10K 71/00 (2023.02); B06B 2201/70 (2013.01); H10K 59/1201 (2023.02); H10N 39/00 (2023.02)] 17 Claims
OG exemplary drawing
 
1. A display device comprising:
a display module comprising a base and an array substrate, a resin layer, a first electrode layer, a pixel definition layer, a light-emitting unit layer, a second electrode layer disposed opposite to the first electrode layer, and an encapsulation layer sequentially disposed on the base, wherein the light-emitting unit layer is between the first electrode layer and the second electrode layer and comprises a plurality of light-emitting units respectively disposed in a plurality of openings of the pixel definition layer; and
an ultrasonic sensor comprising the second electrode layer, a piezoelectric material layer disposed between the first electrode layer and the pixel definition layer, and a third electrode layer disposed between the pixel definition layer and the resin layer, wherein the piezoelectric material layer comprises a plurality of piezoelectric material units separated by the plurality of light-emitting units, and the third electrode layer comprises a plurality of third electrodes respectively disposed corresponding to the plurality of piezoelectric material units.