US 12,189,207 B2
Lens driving unit, camera module and optical apparatus having a magnet
Jun Taek Lee, Seoul (KR); Sang Ok Park, Seoul (KR); Byung Wook Son, Seoul (KR); and Seong Min Lee, Seoul (KR)
Assigned to LG INNOTEK CO., LTD., Seoul (KR)
Filed by LG INNOTEK CO., LTD., Seoul (KR)
Filed on May 8, 2023, as Appl. No. 18/313,660.
Application 18/313,660 is a continuation of application No. 16/690,386, filed on Nov. 21, 2019, granted, now 11,714,255.
Application 16/690,386 is a continuation of application No. 15/142,610, filed on Apr. 29, 2016, granted, now 10,520,700, issued on Dec. 31, 2019.
Claims priority of application No. 10-2015-0060353 (KR), filed on Apr. 29, 2015; application No. 10-2015-0092589 (KR), filed on Jun. 30, 2015; and application No. 10-2015-0092590 (KR), filed on Jun. 30, 2015.
Prior Publication US 2023/0273396 A1, Aug. 31, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G02B 7/08 (2021.01); G01D 5/14 (2006.01); G02B 27/64 (2006.01); H04N 23/55 (2023.01); H04N 23/57 (2023.01)
CPC G02B 7/08 (2013.01) [G01D 5/145 (2013.01); G02B 27/646 (2013.01); H04N 23/55 (2023.01); H04N 23/57 (2023.01)] 20 Claims
OG exemplary drawing
 
1. A lens driving device, comprising:
a cover member comprising an upper plate and a lateral plate extending from the upper plate;
a bobbin disposed in the cover member;
a coil disposed on the bobbin;
a driving magnet disposed between the coil and the lateral plate of the cover member;
a first magnet disposed on the bobbin;
a circuit board; and
a sensor disposed on the circuit board and facing the first magnet,
wherein the lateral plate of the cover member comprises first and second lateral plates opposite to each other and third and fourth lateral plates opposite to each other,
wherein the driving magnet comprises a first driving magnet disposed at a position corresponding to the first lateral plate, and a second driving magnet disposed at a position corresponding to the third lateral plate,
wherein each of the first driving magnet and the second driving magnet comprises an inner surface facing the coil,
wherein a horizontal width of the inner surface of the first driving magnet is shorter than a horizontal width of the inner surface of the second driving magnet, and
wherein the sensor is disposed at a position corresponding to the first lateral plate of the cover member.