US 12,242,131 B2
Dual camera module and optical instrument
Sang Ok Park, Seoul (KR); Sang Jun Min, 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 Sep. 30, 2022, as Appl. No. 17/937,232.
Application 17/937,232 is a continuation of application No. 16/319,628, granted, now 11,493,725, previously published as PCT/KR2017/007582, filed on Jul. 14, 2017.
Claims priority of application No. 10-2016-0096764 (KR), filed on Jul. 29, 2016.
Prior Publication US 2023/0030876 A1, Feb. 2, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G02B 7/04 (2021.01); G03B 13/36 (2021.01); H02K 11/215 (2016.01); H02K 11/25 (2016.01); H02K 41/035 (2006.01); H04N 23/45 (2023.01); H04N 23/54 (2023.01); H04N 23/55 (2023.01); H04N 23/57 (2023.01); H04N 23/67 (2023.01); H04N 23/90 (2023.01)
CPC G02B 7/04 (2013.01) [G03B 13/36 (2013.01); H02K 11/215 (2016.01); H02K 11/25 (2016.01); H02K 41/0356 (2013.01); H04N 23/45 (2023.01); H04N 23/54 (2023.01); H04N 23/55 (2023.01); H04N 23/57 (2023.01); H04N 23/67 (2023.01); H04N 23/90 (2023.01)] 20 Claims
OG exemplary drawing
 
1. A lens driving device comprising:
a first cover member;
a first bobbin disposed in the first cover member;
a first coil disposed on the first bobbin;
a first driving magnet disposed in the first cover member and facing the first coil;
a first sensing magnet disposed on the first bobbin; and
a first Hall sensor configured to detect the first sensing magnet,
wherein the first cover member comprises first and third lateral plates opposite to each other, second and fourth lateral plates opposite to each other, a first corner portion disposed between the first and second lateral plates, a second corner portion disposed between the second and third lateral plates, a third corner portion disposed between the third and fourth lateral plates, and a fourth corner portion disposed between the fourth and first lateral plates,
wherein the first driving magnet comprises a first magnet disposed between the first bobbin and the first lateral plate, a second magnet disposed between the first bobbin and the second lateral plate, a third magnet disposed between the first bobbin and the third lateral plate, and a fourth magnet disposed between the first bobbin and the fourth lateral plate, and
wherein the first sensing magnet and the first Hall sensor are disposed at a position corresponding to the second corner portion.