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:
Jun. 03, 2025
Filed:
Mar. 03, 2022
Applicant:
Zhejiang Sunny Optics Co., Ltd, Yuyao, CN;
Inventors:
Zhanfei Zhang, Yuyao, CN;
Lin Huang, Yuyao, CN;
Xin Zhou, Yuyao, CN;
Fujian Dai, Yuyao, CN;
Liefeng Zhao, Yuyao, CN;
Assignee:
Zhejiang Sunny Optics Co., Ltd, Yuyao, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 13/00 (2006.01); G02B 9/60 (2006.01);
U.S. Cl.
CPC ...
G02B 13/0045 (2013.01); G02B 9/60 (2013.01);
Abstract
An optical imaging system includes, sequentially from an object side to an image side along an optical axis, a first lens (L1) having a positive refractive power and a convex object-side surface (S1); a second lens (L2) having a refractive power; a third lens (L3) having a refractive power; a fourth lens (L4) having a positive refractive power, a concave object-side surface (S7) and a convex image-side surface (S8); and a fifth lens (L5) having a negative refractive power.