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.

Date of Patent:
Nov. 26, 2024

Filed:

Jun. 21, 2021
Applicants:

Sintai Optical (Shenzhen) Co., Ltd., ShenZhen, CN;

Asia Optical Co., Inc., Taichung, TW;

Inventor:

Li-Kai Wang, Taichung, TW;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 13/00 (2006.01); G02B 9/64 (2006.01);
U.S. Cl.
CPC ...
G02B 13/0015 (2013.01); G02B 9/64 (2013.01);
Abstract

A lens assembly includes a first, second, third, fourth, fifth, sixth, seventh, eighth, and ninth lenses. The first lens is a biconvex lens with positive refractive power. The second lens is with negative refractive power and includes a concave surface facing the object side. The third lens is a biconvex with positive refractive power and includes a convex surface facing the object side and another convex surface facing the image side. The fifth lens is a biconcave lens with negative refractive power. The fourth, sixth, and ninth lenses are with positive refractive power. The seventh lens is with positive refractive power. The eighth lens is with negative refractive power. The first, second, third, fourth, fifth, sixth, seventh, eighth, and ninth lenses are arranged in order from the object side to the image side along an optical axis.


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