US 11,867,993 B2
Display device with fingerprint recognition function
Xiaoquan Hai, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/437,102
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Jan. 8, 2021, PCT No. PCT/CN2021/070837
§ 371(c)(1), (2) Date Sep. 8, 2021,
PCT Pub. No. WO2021/139760, PCT Pub. Date Jul. 15, 2021.
Claims priority of application No. 202010026417.0 (CN), filed on Jan. 10, 2020.
Prior Publication US 2022/0179253 A1, Jun. 9, 2022
Int. Cl. G06V 40/13 (2022.01); G02F 1/1333 (2006.01); G02F 1/1335 (2006.01); F21V 8/00 (2006.01)
CPC G02F 1/13338 (2013.01) [G02B 6/002 (2013.01); G02F 1/133512 (2013.01); G02F 1/133528 (2013.01); G06V 40/1318 (2022.01)] 15 Claims
OG exemplary drawing
 
1. A display device with a fingerprint recognition function, comprising:
a light source;
a fingerprint recognition component comprising a finger contact substrate, the light source and the finger contact substrate having a gap therebetween; and
a light guide layer at least partially filling the gap and configured to guide light emitted by the light source towards the finger contact substrate,
wherein the light guide layer is a polarizer having haze.