US 12,436,404 B2
Lens driving device and camera module including lens driving device
Seungyun Paek, Suwon-si (KR); and Kyunghun Lee, Suwon-si (KR)
Assigned to Samsung Electro-Mechanics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electro-Mechanics Co., Ltd., Suwon-si (KR)
Filed on Nov. 2, 2022, as Appl. No. 17/979,334.
Claims priority of application No. 10-2021-0152472 (KR), filed on Nov. 8, 2021; application No. 10-2021-0152473 (KR), filed on Nov. 8, 2021; and application No. 10-2022-0041845 (KR), filed on Apr. 4, 2022.
Prior Publication US 2023/0146805 A1, May 11, 2023
Int. Cl. G02B 27/64 (2006.01); G02B 7/02 (2021.01); G03B 5/04 (2021.01)
CPC G02B 27/646 (2013.01) [G03B 5/04 (2013.01); G02B 7/02 (2013.01); G03B 2205/0015 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A lens driving device comprising:
a carrier; and
an image stabilization unit comprising a lens holder configured to hold a lens barrel, and a support frame having a quadrangular frame structure comprising four corner regions and supporting the lens holder, the support frame and the lens holder being disposed in the carrier, the image stabilization unit being configured to move the lens holder relative to the carrier in a direction perpendicular to an optical axis direction of the lens holder,
wherein the support frame comprises:
a first sub-frame comprising a connection-type molded portion connecting three corner regions of the quadrangular frame structure, and an island-type molded portion separated from the connection-type molded portion and disposed in a fourth corner region of the quadrangular frame structure; and
a second sub-frame made of a material having a higher strength than a material of which the first sub-frame is made, the second sub-frame connecting the four corner regions of the quadrangular frame structure and being combined with the connection-type molded portion and the island-type molded portion.