US 12,292,584 B2
Electronic device, display device and driving method thereof
Tao Hong, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/422,456
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Feb. 24, 2020, PCT No. PCT/CN2020/076464
§ 371(c)(1), (2) Date Jul. 13, 2021,
PCT Pub. No. WO2021/168621, PCT Pub. Date Sep. 2, 2021.
Prior Publication US 2022/0342232 A1, Oct. 27, 2022
Int. Cl. G02F 1/01 (2006.01); G02B 1/00 (2006.01); G02B 30/56 (2020.01)
CPC G02B 30/56 (2020.01) [G02B 1/002 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A display device, comprising:
a display panel, configured to display a plurality of depth-of-field images in a time-division way during a frame;
a polarization conversion layer, arranged on a light exit side of the display panel, and configured to convert light for different depth-of-field images into polarized light of different polarization states; and
a lens layer, arranged on a side of the polarization conversion layer facing away from the display panel, and comprising a plurality of lens units, each lens unit comprising a metasurface lens,
wherein each lens unit further comprises a microlens, the metasurface lens is provided in plural, and each metasurface lens is laminated between the microlens and the polarization conversion layer.