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:
Oct. 27, 2026
Filed:
Aug. 23, 2021
Applicant:
Lg Innotek Co., Ltd., Seoul, KR;
Inventors:
Assignee:
LG INNOTEK CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/20 (2006.01); G02B 15/14 (2006.01);
U.S. Cl.
CPC ...
G02B 15/20 (2013.01); G02B 15/143 (2019.08);
Abstract
A zoom optical system according to an embodiment of the present invention comprises a first lens group, a second lens group and a third lens group sequentially aligned from an object toward an image, wherein the second lens group and third lens group can move, and an effective focal length (EFL) at a wide angle is defined by the mathematical formula below. Here, EFLmeans an effective focal length of the zoom optical system at a wide angle, and Hmeans a half of the diagonal length of an image sensor pixel area.
Shim, Hyung. (2026). Optical system and camera module comprising same (U.S. Patent No. 12775156). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12775156
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