Invention Grant
- Patent Title: Lens driving device, and camera module and optical device, which include same
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Application No.: US16319141Application Date: 2017-07-11
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Publication No.: US10935752B2Publication Date: 2021-03-02
- Inventor: Kap Jin Lee , Sang Ok Park , Seung Taek Shin
- Applicant: LG INNOTEK CO., LTD.
- Applicant Address: KR Seoul
- Assignee: LG INNOTEK CO., LTD.
- Current Assignee: LG INNOTEK CO., LTD.
- Current Assignee Address: KR Seoul
- Agency: Saliwanchik, Lloyd & Eisenschenk
- Priority: KR10-2016-0092607 20160721,KR10-2016-0097981 20160801
- International Application: PCT/KR2017/007397 WO 20170711
- International Announcement: WO2018/016789 WO 20180125
- Main IPC: G02B7/10
- IPC: G02B7/10 ; G02B13/00 ; H04N5/225

Abstract:
An embodiment comprises: a housing; a bobbin, disposed in the housing, for mounting a lens; a first coil arranged on an outer circumferential surface of the bobbin; a magnet arranged in the housing; a second coil arranged in the housing; and a magnetic member, which is attached to the second coil and increases the strength of an induction voltage induced to the second coil by means of an interaction according to a movement of the first coil.
Public/Granted literature
- US20200049939A1 LENS DRIVING DEVICE, AND CAMERA MODULE AND OPTICAL DEVICE, WHICH INCLUDE SAME Public/Granted day:2020-02-13
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