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1. (WO2017155296) LENS DRIVING DEVICE, AND CAMERA MODULE AND OPTICAL DEVICE COMPRISING SAME

Pub. No.:    WO/2017/155296    International Application No.:    PCT/KR2017/002492
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Thu Mar 09 00:59:59 CET 2017
IPC: G02B 7/02
G03B 3/12
G03B 3/10
H04N 5/232
G02B 6/02
G02B 6/293
Applicants: LG INNOTEK CO., LTD.
엘지이노텍(주)
Inventors: SHIN, Seung Taek
신승택
HAN, Jin Suk
한진석
Title: LENS DRIVING DEVICE, AND CAMERA MODULE AND OPTICAL DEVICE COMPRISING SAME
Abstract:
An embodiment comprises: a housing comprising a plurality of protrusions arranged on the upper surface thereof; a magnet arranged on a side portion of the housing; a bobbin having a first coil arranged on the outer peripheral surface thereof, the bobbin being configured to move by means of an interaction between the magnet and the first coil; an upper elastic member coupled to the bobbin and to the housing; and a sensing coil arranged on the side portion of the housing between the protrusions and the magnet, the sensing coil being configured to generate an induction voltage by means of an interaction with the first coil, wherein at least a part of the upper elastic member is arranged on the upper surface of the housing between the protrusions.