US 12,216,325 B2
Voice coil motor
Sangjun Min, Seoul (KR); Sanghee Lee, Seoul (KR); Hyuneo Yoo, Seoul (KR); Seungki Kim, Seoul (KR); and Jinsuk Han, Seoul (KR)
Assigned to LG INNOTEK CO., LTD., Seoul (KR)
Filed by LG INNOTEK CO., LTD., Seoul (KR)
Filed on Mar. 7, 2024, as Appl. No. 18/598,489.
Application 18/598,489 is a continuation of application No. 18/058,304, filed on Nov. 23, 2022, granted, now 11,953,753.
Application 18/058,304 is a continuation of application No. 16/911,037, filed on Jun. 24, 2020, granted, now 11,536,928, issued on Dec. 27, 2022.
Application 16/911,037 is a continuation of application No. 16/109,076, filed on Aug. 22, 2018, granted, now 10,739,550, issued on Aug. 11, 2020.
Application 16/109,076 is a continuation of application No. 15/597,913, filed on May 17, 2017, granted, now 10,082,637, issued on Sep. 25, 2018.
Application 15/597,913 is a continuation of application No. 15/010,680, filed on Jan. 29, 2016, granted, now 9,658,425, issued on May 23, 2017.
Application 15/010,680 is a continuation of application No. 14/333,297, filed on Jul. 16, 2014, granted, now 9,250,415, issued on Feb. 2, 2016.
Application 14/333,297 is a continuation of application No. 13/180,869, filed on Jul. 12, 2011, granted, now 8,810,936, issued on Aug. 19, 2014.
Claims priority of application No. 10-2010-0067051 (KR), filed on Jul. 12, 2010; application No. 10-2010-0071326 (KR), filed on Jul. 23, 2010; application No. 10-2010-0071635 (KR), filed on Jul. 23, 2010; and application No. 10-2010-0102737 (KR), filed on Oct. 21, 2010.
Prior Publication US 2024/0210651 A1, Jun. 27, 2024
Int. Cl. G02B 7/04 (2021.01); G02B 7/02 (2021.01); G03B 3/10 (2021.01); G03B 13/34 (2021.01); H02K 41/03 (2006.01); H02K 41/035 (2006.01); G11B 7/00 (2006.01)
CPC G02B 7/04 (2013.01) [G02B 7/02 (2013.01); G03B 3/10 (2013.01); G03B 13/34 (2013.01); H02K 41/031 (2013.01); H02K 41/0354 (2013.01); H02K 41/0356 (2013.01); G11B 7/00 (2013.01); H02K 41/03 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A voice coil motor comprising:
a base;
a bobbin disposed above the base;
a coil disposed on the bobbin;
a magnet facing the coil;
a first elastic member coupled to a lower surface of the bobbin; and
an adhesive member coupling the bobbin and the first elastic member;
wherein the first elastic member comprises an inner elastic unit coupled to the lower surface of the bobbin, an outer elastic unit disposed outside the inner elastic unit, and a connection elastic unit connecting the inner elastic unit and the outer elastic unit,
wherein the inner elastic unit of the first elastic member comprises a first hole and a second hole,
wherein the bobbin comprises a boss protruded from the lower surface of the bobbin,
wherein the boss is inserted into the first hole and fused to couple the inner elastic unit and the bobbin, and
wherein the adhesive member is disposed on the second hole to couple the inner elastic unit and the bobbin.