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:
Jan. 24, 2023
Filed:
Oct. 27, 2020
Glory Science Co., Ltd., Taichung, TW;
Jhao-Ying Guo, Taichung, TW;
Hsiang-Chun Hsu, Taichung, TW;
Glory Science Co., Ltd., Taichung, TW;
Abstract
An optical imaging lens device includes, in order from the object side to the image side: a first lens element having positive refractive power and an object-side surface convex in a paraxial region thereof; a second lens element having negative refractive power and an object-side surface concave in a paraxial region thereof; a third lens element having positive refractive power, an object-side surface concave in a paraxial region thereof, and an image-side surface convex in a paraxial region thereof; a fourth lens element having negative refractive power, an object-side surface convex in a paraxial region thereof and concave in an off-axis region thereof, and an image-side surface concave in a paraxial region thereof and convex in an off-axis region thereof. When a certain condition is satisfied, the optical imaging lens device may have both a compact size and wide field of view.