US 12,313,899 B2
Lens drive device
Rongfu Xie, Shenzhen (CN)
Assigned to Changzhou AAC Raytech Optronics Co., Ltd., Changzhou (CN)
Filed by Changzhou AAC Raytech Optronics Co., Ltd., Changzhou (CN)
Filed on Dec. 31, 2021, as Appl. No. 17/566,730.
Claims priority of application No. 202111455788.1 (CN), filed on Dec. 1, 2021.
Prior Publication US 2023/0168464 A1, Jun. 1, 2023
Int. Cl. G02B 7/02 (2021.01); G02B 7/04 (2021.01); G02B 27/64 (2006.01); H04N 23/51 (2023.01); H04N 23/55 (2023.01)
CPC G02B 7/026 (2013.01) [G02B 7/04 (2013.01); G02B 27/646 (2013.01); H04N 23/51 (2023.01); H04N 23/55 (2023.01)] 9 Claims
OG exemplary drawing
 
1. A lens drive device, including:
a base,
a housing enclosing the base for forming an accommodation space,
a lens barrel for installing a lens group accommodated in the accommodation space,
a spring support assembly fixed to the base and surrounding the barrel;
a support frame sleeved in the spring support assembly,
an upper elastic plate fixed to the support frame on a side away from the base along an optical axis of the barre for jointly suspending the support frame and the lens barrel in the receiving space together with the spring support assembly,
a first driving assembly for driving the lens barrel to move in a direction perpendicular to the optical axis,
a second driving assembly for driving the lens barrel to move along the optical axis, wherein, the spring support assembly is integrally injection-molded by a colloidal elastic material;
a first fixed arm fixed to the base along the optical axis direction;
a supporting part spaced from the first fixed arm and nested on an end of the lens barrel close to the base;
a first elastic arm connecting the first fixed arm and the supporting part;
a second fixed arm arranged at intervals from the supporting part along the optical axis direction and fixed to the barrel; and
multiple connecting columns for connecting the supporting part and the second fixed arm; the multiple connecting columns being spaced from the barrel and arranged around the barrel;
wherein the second driving assembly includes a third driving magnet fixed to the support frame and a third driving coil spaced apart from and opposite to the third driving magnet; the third driving coil interacts with the third driving magnet and drives the support frame and the lens barrel to move along the optical axis.