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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 12176145 B1

PDFFull Text
Date of Patent:
Dec. 24, 2024

Filed:

Mar. 11, 2020

Lens driving device capable of reducing electromagnetic interference and improving electromagnetic force

Applicant:

Lg Innotek Co., Ltd., Seoul, KR;

Inventors:

Byung Wook Son, Seoul, KR;

Young Ho Kim, Seoul, KR;

Hyun Joong Lee, Seoul, KR;

Assignee:

LG INNOTEK CO., LTD., Seoul, KR;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Arnel C Lavarias

Int. Cl.
CPC ...
G02B 27/64 (2006.01); G03B 5/00 (2021.01); G03B 13/36 (2021.01); H01F 7/08 (2006.01); H04N 23/55 (2023.01); H04N 23/54 (2023.01); H04N 23/67 (2023.01); H04N 23/68 (2023.01);
U.S. Cl.
CPC ...
H01F 7/081 (2013.01); G02B 27/646 (2013.01); G03B 5/00 (2013.01); G03B 13/36 (2013.01); H04N 23/55 (2023.01); G03B 2205/0007 (2013.01); G03B 2205/0069 (2013.01); H04N 23/54 (2023.01); H04N 23/67 (2023.01); H04N 23/687 (2023.01);
Abstract

A lens driving device includes a housing; a bobbin disposed in the housing; a coil disposed on the bobbin; and a first magnet disposed opposite to the coil in the housing. The first magnet includes an inner surface facing the coil, and an outer surface disposed at the opposite side to the inner surface. The first magnet includes a first region provided between the inner surface and the outer surface and having a first thickness, and a second region extending from the first region and having a second thickness which is smaller than the first thickness.

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Quick Actions:

Son, Byung. (2024). Lens driving device capable of reducing electromagnetic interference and improving electromagnetic force (U.S. Patent No. 12176145). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12176145

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