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:
Sep. 29, 2026

Filed:

Apr. 19, 2023
Applicant:

Largan Precision Co., Ltd., Taichung City, TW;

Inventors:

Te-Sheng Tseng, Taichung City, TW;

Yu-Tzu Chang, Taichung City, TW;

Hsiu-Yi Hsiao, Taichung City, TW;

Ming-Ta Chou, Taichung City, TW;

Assignee:

LARGAN PRECISION CO., LTD., Taichung City, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 9/06 (2021.01); G02B 7/02 (2021.01); G03B 13/36 (2021.01); H01F 7/08 (2006.01); G02B 13/00 (2006.01); G03B 30/00 (2021.01);
U.S. Cl.
CPC ...
G03B 9/06 (2013.01); G02B 7/021 (2013.01); G03B 13/36 (2013.01); H01F 7/081 (2013.01); G02B 13/001 (2013.01); G03B 30/00 (2021.01);
Abstract

An imaging lens module includes a lens element having an optical axis, a lens carrier and a variable through hole assembly. The lens carrier accommodates the lens element and sequentially includes an object-side portion, an image-side portion and a tubular portion. The object-side portion configured for light entering the imaging lens module forms a minimum opening of the lens carrier. The variable through hole assembly is disposed on the object-side portion and includes rotatable blades rotatably disposed about the optical axis and configured to form a through hole with a variable size. Moreover, the object-side portion further has a guiding structure guiding the movement of the rotatable blades and located further away from the optical axis than the minimum opening. Moreover, the object-side portion and the image-side portion form an air sleeve therebetween, and the air sleeve is located further away from the optical axis than the tubular portion.


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