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. 04, 2021
Filed:
Dec. 21, 2018
Applicant:
Zhejiang Sunny Optical Co., Ltd., Ningbo, CN;
Inventors:
Lin Huang, Ningbo, CN;
Xinquan Wang, Ningbo, CN;
Assignee:
ZHEJIANG SUNNY OPTICAL CO., LTD., Ningbo, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/00 (2006.01); G02B 9/10 (2006.01); G02B 13/16 (2006.01);
U.S. Cl.
CPC ...
G02B 13/003 (2013.01); G02B 9/10 (2013.01); G02B 13/16 (2013.01); G02B 13/008 (2013.01);
Abstract
A projection lens assembly is provided. The projection lens assembly includes sequentially from a source-side to an image-side along an optical axis: a first lens and a second lens. The first lens has a negative refractive power, a source-side surface of the first lens is a concave surface, and an image-side surface of the first lens is a convex surface. The second lens has a positive refractive power, and an image-side surface of the second lens is a convex surface.