US 11,809,014 B2
Voice coil motor
Seongmin Lee, Seoul (KR); Sangok Park, Seoul (KR); Sangjun Min, Seoul (KR); Kyoungho Yoo, Seoul (KR); Taejin Jung, Seoul (KR); Taemin Ha, Seoul (KR); and Seungki Kim, Seoul (KR)
Assigned to LG INNOTEK CO., LTD., Seoul (KR)
Filed by LG INNOTEK CO., LTD., Seoul (KR)
Filed on Dec. 21, 2020, as Appl. No. 17/129,305.
Application 17/129,305 is a continuation of application No. 16/219,497, filed on Dec. 13, 2018, granted, now 10,914,914.
Application 16/219,497 is a continuation of application No. 15/399,447, filed on Jan. 5, 2017, granted, now 10,185,117, issued on Jan. 22, 2019.
Application 15/399,447 is a continuation of application No. 14/884,349, filed on Oct. 15, 2015, granted, now 9,575,283, issued on Feb. 21, 2017.
Application 14/884,349 is a continuation of application No. 14/457,984, filed on Aug. 12, 2014, granted, now 9,190,891, issued on Nov. 17, 2015.
Application 14/457,984 is a continuation of application No. 13/193,706, filed on Jul. 29, 2011, granted, now 8,836,177, issued on Sep. 16, 2014.
Claims priority of application No. 10-2010-0074002 (KR), filed on Jul. 30, 2010; application No. 10-2010-0087943 (KR), filed on Sep. 8, 2010; application No. 10-2010-0115163 (KR), filed on Nov. 18, 2010; and application No. 10-2010-0121320 (KR), filed on Dec. 1, 2010.
Prior Publication US 2021/0109310 A1, Apr. 15, 2021
Int. Cl. G02B 7/04 (2021.01); G02B 7/02 (2021.01); H02K 41/035 (2006.01); H02K 5/04 (2006.01); H04N 5/225 (2006.01); H04N 5/44 (2011.01); H04N 23/51 (2023.01); H04N 23/55 (2023.01)
CPC G02B 7/04 (2013.01) [G02B 7/023 (2013.01); H02K 5/04 (2013.01); H02K 41/035 (2013.01); H02K 41/0356 (2013.01); H04N 5/44 (2013.01); H04N 23/51 (2023.01); H04N 23/55 (2023.01)] 18 Claims
OG exemplary drawing
 
1. A voice coil motor, comprising:
a yoke comprising an upper plate and a lateral plate extending from the upper plate;
a bobbin disposed in the yoke;
a fixing member disposed between the yoke and the bobbin;
a coil disposed on the bobbin; and
a magnet disposed between the coil and the lateral plate of the yoke and facing the coil,
wherein the fixing member comprises a body unit, and a coupling unit extending from the body unit,
wherein the magnet is disposed on the body unit of the fixing member and protrudes downwardly below the coupling unit of the fixing member,
wherein the coupling unit extends from the body unit along the lateral plate of the yoke, and both sides of the magnet are coupled to the coupling unit,
wherein the lateral plate of the yoke comprises a first lateral plate, a second lateral plate, and a first corner part disposed between the first lateral plate and the second lateral plate,
wherein the coupling unit comprises a first coupling unit disposed at a position corresponding to that of the first corner part of the yoke,
wherein the first coupling unit comprises a first surface coupled with the first lateral plate of the yoke, a second surface coupled with the second lateral plate of the yoke, and a third surface connecting the first surface and the second surface and disposed at a position corresponding to that of the first corner part of the yoke, and
wherein the third surface of the first coupling unit is spaced apart from the first corner part of the yoke.