US 12,228,789 B2
Lens driving apparatus
Sang Ok Park, Seoul (KR); Sang Jun Min, Seoul (KR); and Sang Hee Lee, Seoul (KR)
Assigned to LG INNOTEK CO., LTD., Seoul (KR)
Filed by LG INNOTEK CO., LTD., Seoul (KR)
Filed on Jan. 3, 2024, as Appl. No. 18/403,066.
Application 18/403,066 is a continuation of application No. 17/933,689, filed on Sep. 20, 2022.
Application 17/933,689 is a continuation of application No. 16/880,212, filed on May 21, 2020, granted, now 11,474,323, issued on Oct. 18, 2022.
Application 16/880,212 is a continuation of application No. 16/207,699, filed on Dec. 3, 2018, granted, now 10,698,173, issued on Jun. 30, 2020.
Application 16/207,699 is a continuation of application No. 15/987,606, filed on May 23, 2018, granted, now 10,146,026, issued on Dec. 4, 2018.
Application 15/987,606 is a continuation of application No. 15/449,356, filed on Mar. 3, 2017, granted, now 10,007,082, issued on Jun. 26, 2018.
Application 15/449,356 is a continuation of application No. 15/008,496, filed on Jan. 28, 2016, granted, now 9,618,722, issued on Apr. 11, 2017.
Application 15/008,496 is a continuation of application No. 14/632,758, filed on Feb. 26, 2015, granted, now 9,256,049, issued on Feb. 9, 2016.
Application 14/632,758 is a continuation of application No. 13/952,230, filed on Jul. 26, 2013, granted, now 9,019,624, issued on Apr. 28, 2015.
Application 13/952,230 is a continuation of application No. 13/659,185, filed on Oct. 24, 2012, granted, now 9,250,414, issued on Feb. 2, 2016.
Application 13/659,185 is a continuation of application No. 13/302,547, filed on Nov. 22, 2011, granted, now 8,300,330, issued on Oct. 30, 2012.
Application 13/302,547 is a continuation of application No. 13/051,291, filed on Mar. 18, 2011, granted, now 8,089,703, issued on Jan. 3, 2012.
Application 13/051,291 is a continuation of application No. 12/518,976, granted, now 7,936,526, issued on May 3, 2011, previously published as PCT/KR2007/006466, filed on Dec. 12, 2007.
Claims priority of application No. 10-2006-0127435 (KR), filed on Dec. 13, 2006; and application No. 10-2006-0127436 (KR), filed on Dec. 13, 2006.
Prior Publication US 2024/0134146 A1, Apr. 25, 2024
Int. Cl. G02B 7/04 (2021.01); E21B 36/00 (2006.01); G02B 7/02 (2021.01); G03B 13/34 (2021.01); H02K 33/02 (2006.01); H02K 41/035 (2006.01); H04N 23/55 (2023.01)
CPC G02B 7/04 (2013.01) [E21B 36/001 (2013.01); G02B 7/023 (2013.01); G02B 7/026 (2013.01); G03B 13/34 (2013.01); H02K 33/02 (2013.01); H02K 41/0356 (2013.01); H04N 23/55 (2023.01)] 20 Claims
OG exemplary drawing
 
1. A lens driving apparatus, comprising:
a base having a first opening;
a case coupled with the base and having a second opening corresponding to the first opening;
a bobbin movably disposed between the base and the case;
a coil disposed around the bobbin and including eight outer side surfaces and eight edges between adjacent surfaces of the eight outer side surfaces, respectively;
a plurality of magnets provided between the case and the base to face the coil, the plurality of magnets including at least four magnets, and each of the plurality of magnets including an upper surface, a lower surface, and side surfaces;
a first spring including a first outer portion coupled to the case, a first inner portion coupled to an upper portion of the bobbin, and a first connecting portion connecting the first outer portion and the first inner portion; and
a second spring including a second outer portion coupled to the base, a second inner portion coupled to a lower portion of the bobbin, and a second connecting portion connecting the second outer portion and the second inner portion,
wherein, in an outer peripheral surface of the coil, first regions facing the plurality of magnets and second regions that do not face the plurality of magnets are alternately disposed,
wherein the side surfaces of each of the plurality of magnets not facing the coil include a plurality of flat planes,
wherein the bobbin, the coil, and the plurality of magnets are disposed in a space provided by a coupling of the case and the base, and
wherein the case includes four recessed portions provided at each corner of an upper surface of the case, respectively, and coupled to the base.