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.
Patent No.:
Date of Patent:
Dec. 23, 2025
Filed:
May. 10, 2022
Applicant:
Largan Precision Co., Ltd., Taichung, TW;
Inventors:
Yu-Jui Lin, Taichung, TW;
Hsin-Hsuan Huang, Taichung, TW;
Assignee:
LARGAN PRECISION CO., LTD., Taichung, TW;
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/00 (2006.01); G02B 9/16 (2006.01); G03B 21/20 (2006.01);
U.S. Cl.
CPC ...
G02B 13/0035 (2013.01); G02B 9/16 (2013.01); G03B 21/2033 (2013.01);
Abstract
An electronic device includes a lens system. The lens system includes three lens elements, which are, in order from an outer side to an inner side: a first lens element, a second lens element and a third lens element. The first lens element with positive refractive power has an outer-side surface being convex in a paraxial region thereof. The second lens element has negative refractive power. The third lens element has positive refractive power.