US 12,452,511 B2
Camera actuator and camera device comprising same
Sang Jun Min, Seoul (KR); and Tae Jin Jung, Seoul (KR)
Assigned to LG INNOTEK CO., LTD., Seoul (KR)
Appl. No. 18/288,852
Filed by LG INNOTEK CO., LTD., Seoul (KR)
PCT Filed May 6, 2022, PCT No. PCT/KR2022/006485
§ 371(c)(1), (2) Date Oct. 30, 2023,
PCT Pub. No. WO2022/235109, PCT Pub. Date Nov. 10, 2022.
Claims priority of application No. 10-2021-0058522 (KR), filed on May 6, 2021.
Prior Publication US 2024/0210791 A1, Jun. 27, 2024
Int. Cl. H04N 23/54 (2023.01); G03B 3/10 (2021.01); G03B 17/17 (2021.01); G03B 30/00 (2021.01); H04N 23/55 (2023.01); H04N 23/57 (2023.01); G02B 13/00 (2006.01); G03B 5/00 (2021.01)
CPC H04N 23/54 (2023.01) [G03B 3/10 (2013.01); G03B 17/17 (2013.01); G03B 30/00 (2021.01); H04N 23/55 (2023.01); H04N 23/57 (2023.01); G02B 13/0065 (2013.01); G03B 5/00 (2013.01); G03B 2205/0046 (2013.01); G03B 2205/0069 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A camera actuator comprising:
a housing;
a first lens assembly and a second lens assembly configured to move in an optical axis direction based on the housing; and
a driving unit configured to move the first lens assembly and the second lens assembly,
wherein the driving unit includes a driving coil and a driving magnet facing the driving coil,
wherein the driving coil includes a first sub coil, a second sub coil, and a third sub coil disposed between the first sub coil and the second sub coil,
wherein the first sub coil, the third sub coil, and the second sub coil are sequentially disposed along an optical axis, and
wherein a length of the third sub coil in the optical axis direction differs from a length of at least one of the first sub coil and the second sub coil in the optical axis direction.