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. 31, 2024
Filed:
Jun. 17, 2021
Jiangxi Lianchuang Electronic Co., Ltd., Nanchang, CN;
Yumin Bao, Nanchang, CN;
Xiaobai Hong, Nanchang, CN;
Kemin Wang, Nanchang, CN;
Jiyong Zeng, Nanchang, CN;
JIANGXI LIANCHUANG ELECTRONIC CO., LTD., Nanchang, CN;
Abstract
Provided are an infrared optical imaging camera lens and an imaging device. The lens includes sequentially along an optical axis, from an object side to an imaging side: a stop, a first lens having positive focal power, a second lens having positive focal power, a third lens having negative focal power, and an optical filter. An object-side surface of the first lens is a convex surface, and an image-side surface of the first lens is a concave surface. An object-side surface of the second lens is a concave surface, and an image-side surface of the second lens is a convex surface. An object-side surface of the third lens is a convex surface in a region near the optical axis, and an image-side surface of the third lens is a concave surface in the region near the optical axis.