US 12,207,497 B2
Display device and polarizer
Jiaxiang Zhang, Beijing (CN); Kang Wang, Beijing (CN); Xiaoxia Liu, Beijing (CN); Haotian Yang, Beijing (CN); Junhui Yang, Beijing (CN); Fuzheng Xie, Beijing (CN); and Bin Zhang, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/440,917
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Feb. 9, 2021, PCT No. PCT/CN2021/076125
§ 371(c)(1), (2) Date Sep. 20, 2021,
PCT Pub. No. WO2021/164630, PCT Pub. Date Aug. 26, 2021.
Claims priority of application No. 202010097657.X (CN), filed on Feb. 17, 2020.
Prior Publication US 2022/0158142 A1, May 19, 2022
Int. Cl. H10K 50/80 (2023.01); G02B 5/30 (2006.01); G09F 9/33 (2006.01); H10K 59/65 (2023.01)
CPC H10K 50/868 (2023.02) [G02B 5/3025 (2013.01); H10K 59/65 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A display device, comprising:
a display panel; and
a polarizer, an optical adhesive, and a cover plate sequentially arranged on the display panel, wherein
the display panel has a transparent region;
the polarizer has a first surface and a second surface which are parallel to a plane where the polarizer is located, the first surface is closer to the display panel than the second surface, and the polarizer has therein a through hole penetrating through the first surface and the second surface;
a boundary of the through hole at the first surface is a first boundary, a boundary of the through hole at the second surface is a second boundary, and an orthogonal projection of the first boundary on a plane where the second surface is located is inside the second boundary and is not in contact with the second boundary;
for boundaries of the through hole at any two planes parallel to the plane where the polarizer is located, an orthogonal projection of a boundary closer to the first surface on a plane where a boundary farther away from the first surface is located does not extend beyond the boundary farther away from the first surface;
the transparent region is opposite to the through hole of the polarizer, and the optical adhesive is a cured liquid optical adhesive; and
the second boundary is inside an orthogonal projection of a pixel region of the display panel on the plane where the second surface is located, and spaced apart from the orthogonal projection of the pixel region of the display panel on the plane where the second surface is located by a distance greater than 0.1 mm.