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:
Nov. 25, 2025

Filed:

Apr. 18, 2023
Applicant:

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

Inventors:

Kuan-Ting Yeh, Taichung, TW;

Chun-Yen Chen, Taichung, TW;

Tzu-Chieh Kuo, Taichung, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/00 (2006.01); G02B 9/64 (2006.01); H04N 23/55 (2023.01);
U.S. Cl.
CPC ...
G02B 13/0045 (2013.01); G02B 9/64 (2013.01); H04N 23/55 (2023.01);
Abstract

An imaging lens system includes seven lens elements which are, in order from an object side to an image side along an optical path, a first lens element through a seventh lens element. Each of the seven lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The image-side surface of the sixth lens element is concave in a paraxial region thereof. The object-side surface of the seventh lens element is concave in a paraxial region thereof. At least one of the object-side surface and the image-side surface of at least one of the seven lens elements has at least one inflection point in an off-axis region thereof.


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