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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.:

US 10054765 B1

PDFFull Text
Date of Patent:
Aug. 21, 2018

Filed:

Apr. 20, 2017

Photographing optical lens assembly, imaging device and electronic device

Applicant:

Largan Precision Co., Ltd., Taichung, TW;

Inventors:

Tung-Yi Hsieh, Taichung, TW;

Wei-Yu Chen, Taichung, TW;

Assignee:

LARGAN PRECISION CO., LTD., Taichung, TW;

Attorneys:

Chun-Ming Shih

HDLS IPR Services

Primary Examiner:

Bumsuk Won

Assistant Examiner:

Jeffrey Madonna

Int. Cl.
CPC ...
G02B 13/00 (2006.01); G02B 9/34 (2006.01);
U.S. Cl.
CPC ...
G02B 13/004 (2013.01); G02B 9/34 (2013.01);
Abstract

A photographing optical lens assembly includes, in order form an object side to an image side, a first lens element, a second lens element, a third lens element, and a fourth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region. The second lens element has negative refractive power. The third lens element with refractive power has an object-side surface being concave in a paraxial region, and the object-side surface and an image-side surface are both aspheric. The fourth lens element with negative refractive power has an object-side surface being concave in a paraxial region, and an image-side surface being convex in a paraxial region, the object-side surface and the image-side surface are both aspheric.

Find Patent Forward Citations

Hsieh, Tung-Yi. (2018). Photographing optical lens assembly, imaging device and electronic device (U.S. Patent No. 10054765). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10054765

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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