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:
Oct. 22, 2024
Filed:
Dec. 03, 2020
Huawei Technologies Co., Ltd., Shenzhen, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
From an object plane to an image plane along an optical axis, a camera lens including a first lens, a diffractive optical element and a lens module is provided in various embodiments. The first lens has a positive focal power. The diffractive optical element has a positive focal power and a negative dispersion property. A surface that is of the diffractive optical element or the first lens and that faces the object plane side is a convex surface at the optical axis, a surface that is of the diffractive optical element or the first lens and that faces the image plane side is a concave surface at the optical axis. The lens module includes N lenses. At least one of a surface facing the object plane side and a surface facing the image plane side that are of each of the N lenses is an aspheric surface.