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. 17, 2024
Filed:
May. 22, 2020
Zhejiang Sunny Optics Co., Ltd., Zhejiang, CN;
Yunbing Ji, Zhejiang, CN;
Dawei Tang, Zhejiang, CN;
Fujian Dai, Zhejiang, CN;
Liefeng Zhao, Zhejiang, CN;
ZHEJIANG SUNNY OPTICS CO., LTD., Zhejiang, CN;
Abstract
The disclosure provides an optical imaging lens group, which sequentially includes, from an object side to an image side along an optical axis: a diaphragm; a first lens with a positive refractive power, an object-side surface thereof being a convex surface; a second lens with a refractive power; a third lens with a negative refractive power; a fourth lens with a refractive power, an object-side surface thereof being a convex surface, while an image-side surface being a concave surface; a fifth lens with a positive refractive power; and a sixth lens with a negative refractive power, an image-side surface thereof being a concave surface; wherein ω is a half of a field of view of the optical imaging lens group, and f5 is an effective focal length of the fifth lens, f5 and ω meet 0.50 mm<f5×(tan ω)<1.00 mm.