US 12,374,481 B2
Lens driving device, camera module, and optical device
Sung Guk Lee, Seoul (KR); and Sang Jun Min, Seoul (KR)
Assigned to LG INNOTEK CO., LTD., Seoul (KR)
Appl. No. 17/637,935
Filed by LG INNOTEK CO., LTD., Seoul (KR)
PCT Filed Sep. 8, 2020, PCT No. PCT/KR2020/012121
§ 371(c)(1), (2) Date Feb. 24, 2022,
PCT Pub. No. WO2021/049853, PCT Pub. Date Mar. 18, 2021.
Claims priority of application No. 10-2019-0111746 (KR), filed on Sep. 9, 2019; application No. 10-2019-0141616 (KR), filed on Nov. 7, 2019; and application No. 10-2019-0164436 (KR), filed on Dec. 11, 2019.
Prior Publication US 2022/0285064 A1, Sep. 8, 2022
Int. Cl. H01F 7/08 (2006.01); G02B 27/64 (2006.01); G03B 5/04 (2021.01); G03B 13/36 (2021.01)
CPC H01F 7/081 (2013.01) [G02B 27/646 (2013.01); G03B 5/04 (2013.01); G03B 13/36 (2013.01); G03B 2205/0015 (2013.01); G03B 2205/0069 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A lens driving device comprising:
a base;
a housing spaced apart from the base;
a bobbin disposed in the housing;
a first magnet disposed on the housing;
a first coil disposed on the bobbin and facing the first magnet;
a first substrate disposed between the base and the housing and comprising a second coil facing the first magnet;
an upper elastic member connecting the housing and the bobbin;
a lateral elastic member connecting the first substrate and the upper elastic member;
a second magnet disposed on the bobbin;
a second substrate having a length extending in an optical axis direction; and
a sensor configured to detect the second magnet and disposed on the second substrate,
wherein the bobbin comprises a recess disposed with the second magnet,
wherein the upper elastic member comprises an inner portion coupled with the bobbin, an outer portion coupled with the housing, and a connection portion connecting the inner portion and the outer portion,
wherein the inner portion comprises a first region overlapped with the second magnet in the optical axis direction,
wherein the second substrate comprises a plurality of upper terminals, and a groove formed between the plurality of upper terminals, and
wherein a portion of the upper elastic member passes through the groove of the second substrate and is connected with the upper terminal of the second substrate.