US 12,449,904 B2
Thin tactile reproduction display panel and display apparatus
Yuju Chen, Beijing (CN)
Assigned to BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., Beijing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 18/247,367
Filed by BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., Beijing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Apr. 29, 2022, PCT No. PCT/CN2022/090304
§ 371(c)(1), (2) Date Mar. 30, 2023,
PCT Pub. No. WO2023/206370, PCT Pub. Date Nov. 2, 2023.
Prior Publication US 2025/0085781 A1, Mar. 13, 2025
Int. Cl. G06F 3/01 (2006.01); G02F 1/1333 (2006.01); G06F 3/044 (2006.01)
CPC G06F 3/016 (2013.01) [G02F 1/13338 (2013.01); G02F 1/133388 (2021.01); G06F 3/0447 (2019.05)] 11 Claims
OG exemplary drawing
 
1. A tactile reproduction display panel, comprising:
a display panel comprising a base substrate and a plurality of pixel units on the base substrate; and
a plurality of piezoelectric vibration devices,
wherein each of the piezoelectric vibration devices comprises a driver electrode structure and a piezoelectric layer, and the driver electrode structure is configured to drive the piezoelectric layer to deform so as to generate vibration;
the display panel comprises a light exiting surface, the light exiting surface has a first side and a second side in a direction perpendicular to the base substrate, the light exiting surface is configured to emit light to the first side, and the plurality of piezoelectric vibration devices are at the second side of the light exiting surface,
the plurality of piezoelectric vibration devices are at a side of the base substrate close to the light exiting surface,
the plurality of piezoelectric vibration devices are arranged side by side with at least part of the plurality of pixel units on the base substrate,
the display panel comprises a display area and a peripheral area surrounding the display area, and an orthographic projection of at least part of the plurality of piezoelectric vibration devices on the display panel overlaps with the display area,
the plurality of pixel units comprise a plurality of first pixel units and a plurality of second pixel units, the first pixel units and the plurality of piezoelectric vibration devices are arranged side by side on the base substrate, and the second pixel units are at a side of at least part of the plurality of piezoelectric vibration devices away from the base substrate.