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:
May. 30, 2023
Filed:
Sep. 25, 2020
Applicant:
Zhejiang Sunny Optical Co., Ltd, Ningbo, CN;
Inventors:
Yu Zhou, Ningbo, CN;
Xinquan Wang, Ningbo, CN;
Lin Huang, Ningbo, CN;
Fujian Dai, Ningbo, CN;
Liefeng Zhao, Ningbo, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/60 (2006.01); G02B 13/00 (2006.01);
U.S. Cl.
CPC ...
G02B 13/0045 (2013.01); G02B 9/60 (2013.01);
Abstract
The present disclosure discloses an optical imaging system including, sequentially from an object side to an image side along an optical axis, a first lens having refractive power; a second lens having refractive power; a third lens having positive refractive power; a fourth lens having refractive power; and a fifth lens having refractive power. Half of a diagonal length ImgH of an effective pixel area on an imaging plane of the optical imaging system and an entrance pupil diameter EPD of the optical imaging system satisfy: 0.5<ImgH/EPD≤1.0.