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:
Aug. 14, 2018
Zhejiang Sunny Optical, Co., Ltd, Zhejiang, CN;
ZHEJIANG SUNNY OPTICAL, CO., LTD, Zhejiang, CN;
Abstract
The disclosure discloses an optical imaging lens, which includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eighth lens which are provided in sequence from an object side to an imaging side along an optical axis, the first lens has a positive refractive power, and an object-side surface of the first lens is a convex surface; the second lens has a negative refractive power; the third lens has a positive refractive power; the fourth lens has a positive refractive power or a negative refractive power, an object-side surface of the fourth lens is a concave surface and an imaging-side surface is a convex surface; the fifth lens has a positive refractive power or a negative refractive power; the sixth lens has a positive refractive power or a negative refractive power, and an object-side surface of the sixth lens is a convex surface; the seventh lens has a positive refractive power or a negative refractive power; and the eighth lens has a negative refractive power.