US 12,328,504 B2
Lens moving unit comprising a sensing magnet and a correction magnet
Tae Jin Jung, Seoul (KR); and Sang Jun Min, Seoul (KR)
Assigned to LG INNOTEK CO., LTD., Seoul (KR)
Filed by LG Innotek Co., Ltd., Seoul (KR)
Filed on Aug. 3, 2023, as Appl. No. 18/364,586.
Application 18/364,586 is a continuation of application No. 17/662,604, filed on May 9, 2022, granted, now 11,758,271.
Application 17/662,604 is a continuation of application No. 17/194,966, filed on Mar. 8, 2021, granted, now 11,356,609, issued on Jun. 7, 2022.
Application 17/194,966 is a continuation of application No. 16/541,815, filed on Aug. 15, 2019, granted, now 10,972,666, issued on Apr. 6, 2021.
Application 16/541,815 is a continuation of application No. 15/959,951, filed on Apr. 23, 2018, granted, now 10,425,585, issued on Sep. 24, 2019.
Application 15/959,951 is a continuation of application No. 15/373,032, filed on Dec. 8, 2016, granted, now 9,979,888, issued on May 22, 2018.
Application 15/373,032 is a continuation of application No. 14/643,414, filed on Mar. 10, 2015, granted, now 9,547,216, issued on Jan. 17, 2017.
Claims priority of application No. 10-2014-0030866 (KR), filed on Mar. 17, 2014.
Prior Publication US 2023/0379584 A1, Nov. 23, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 23/68 (2023.01); G02B 7/08 (2021.01); G02B 27/64 (2006.01); G03B 13/36 (2021.01); H04N 23/55 (2023.01); H04N 23/67 (2023.01)
CPC H04N 23/687 (2023.01) [G02B 7/08 (2013.01); G02B 27/646 (2013.01); G03B 13/36 (2013.01); H04N 23/55 (2023.01); H04N 23/67 (2023.01); H04N 23/6812 (2023.01)] 20 Claims
OG exemplary drawing
 
1. A lens moving unit comprising:
a cover member;
a bobbin disposed in the cover member;
a coil disposed on the bobbin;
a driving magnet disposed between the cover member and the bobbin;
a sensing magnet disposed on the bobbin;
a correction magnet disposed on the bobbin and opposite to the sensing magnet;
a sensor configured to detect the sensing magnet; and
a circuit substrate disposed with the sensor,
wherein the cover member comprises an inner yoke,
wherein the bobbin comprises a groove disposed at a position corresponding with the inner yoke,
wherein at least a portion of the inner yoke is disposed in the groove of the bobbin, and
wherein an outer surface of the inner yoke directly faces the coil.