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Patent Searching and Data


Title:
LENS DRIVING APPARATUS, AND CAMERA MODULE AND OPTICAL DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2018/182239
Kind Code:
A1
Abstract:
An embodiment comprises: a housing comprising a first protrusion and a second protrusion on the lower part; a bobbin disposed inside the housing; a first coil disposed on the bobbin; a magnet disposed in the housing and opposite from the first coil; a second coil disposed on the outer lateral surface of the housing; an upper resilient member coupled to the upper part of the bobbin; and a lower resilient member coupled to the lower part of the bobbin. The lower resilient member comprises a first spring, a second spring, a third spring and a fourth spring which are disposed away from each other. One part of the second coil is wound at least once around the first protrusion and is connected to the first spring. The other part of the second coil is wound at least once around the second protrusion and is connected to the second spring.

Inventors:
KIM, Jung Cheol (98 Huam-ro, Jung-gu, Seoul, 04637, KR)
LEE, Kap Jin (98 Huam-ro, Jung-gu, Seoul, 04637, KR)
Application Number:
KR2018/003416
Publication Date:
October 04, 2018
Filing Date:
March 23, 2018
Export Citation:
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Assignee:
LG INNOTEK CO., LTD. (98 Huam-ro, Jung-gu, Seoul, 04637, KR)
International Classes:
G03B5/02; G03B17/12
Foreign References:
JP2015099322A2015-05-28
KR20150104388A2015-09-15
KR100836031B12008-06-09
JP2012083720A2012-04-26
KR20120051492A2012-05-22
Attorney, Agent or Firm:
LEE, Seung Chan (KPH & Associates 3rd Floor, Nara Bldg.,19, Seochojungang-ro 24-gil,Seocho-gu, Seoul, 06604, KR)
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