US 11,906,809 B2
Voice coil motor
Sang Ok Park, Seoul (KR); Hyun Rae Cho, Seoul (KR); Seong Min Lee, Seoul (KR); and Jun Taek Lee, Seoul (KR)
Assigned to LG INNOTEK CO., LTD., Seoul (KR)
Filed by LG INNOTEK CO., LTD., Seoul (KR)
Filed on May 24, 2022, as Appl. No. 17/664,805.
Application 17/664,805 is a continuation of application No. 17/021,832, filed on Sep. 15, 2020, granted, now 11,372,194.
Application 17/021,832 is a continuation of application No. 16/238,947, filed on Jan. 3, 2019, granted, now 10,816,751, issued on Oct. 27, 2020.
Application 16/238,947 is a continuation of application No. 15/142,951, filed on Apr. 29, 2016, granted, now 10,222,579, issued on Mar. 5, 2019.
Application 15/142,951 is a continuation of application No. 14/398,359, granted, now 9,341,810, issued on May 17, 2016, previously published as PCT/KR2013/002902, filed on Apr. 8, 2013.
Claims priority of application No. 10-2012-0049186 (KR), filed on May 9, 2012; application No. 10-2012-0091168 (KR), filed on Aug. 21, 2012; and application No. 10-2012-0091169 (KR), filed on Aug. 21, 2012.
Prior Publication US 2022/0283400 A1, Sep. 8, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 23/68 (2023.01); G02B 7/02 (2021.01); G02B 7/09 (2021.01); H02P 7/025 (2016.01); G02B 7/08 (2021.01); H02K 41/035 (2006.01); G02B 7/00 (2021.01)
CPC G02B 7/08 (2013.01) [G02B 7/005 (2013.01); G02B 7/023 (2013.01); G02B 7/09 (2013.01); H02K 41/0354 (2013.01); H02K 41/0356 (2013.01); H02P 7/025 (2016.02); H04N 23/685 (2023.01)] 20 Claims
OG exemplary drawing
 
1. A VCM (Voice Coil Motor) comprising:
a base;
a case disposed on the base and comprising an upper plate and a lateral plate;
a bobbin disposed in the case;
a housing disposed between the bobbin and the case;
a coil and a magnet disposed in the case and configured to move the bobbin; and
an upper elastic member connecting the bobbin and the housing,
wherein the bobbin is configured to move for an auto focus function and a handshake compensation function,
wherein the upper elastic member comprises an inner elastic unit coupled to the bobbin, an outer elastic unit coupled to an upper surface of the housing, and an elastic connection unit connecting the inner elastic unit and the outer elastic unit,
wherein the housing comprises a recess concavely formed on the upper surface of the housing, and
wherein the recess of the housing is overlapped with the elastic connection unit of the upper elastic member.