The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 04, 2023

Filed:

Mar. 09, 2022
Applicant:

AU Optronics Corporation, Hsinchu, TW;

Inventor:

Hsun-Chen Chu, Hsinchu, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06V 40/13 (2022.01); H01L 27/146 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G06V 40/13 (2022.01); G02B 6/003 (2013.01); H01L 27/14678 (2013.01);
Abstract

A biometric verification device includes a backlight module, a photodetector, a switching element, and at least one collimation structure. The photodetector is disposed on the backlight module. The switching element is disposed on the backlight module and electrically connected with the photodetector. The at least one collimation structure is disposed on the backlight module and has a first pinhole and a second pinhole. The horizontal projections of the first pinhole and the second pinhole on the backlight module do not overlap with the horizontal projection of the photodetector on the backlight module.


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