US 11,888,374 B2
Optical element driving mechanism
Chao-Chang Hu, Taoyuan (TW); Chen-Hsien Fan, Taoyuan (TW); Shang-Hung Chen, Taoyuan (TW); He-Ling Chang, Taoyuan (TW); and Chih-Wei Weng, Taoyuan (TW)
Assigned to TDK TAIWAN CORP., Taoyuan (TW)
Filed by TDK TAIWAN CORP., Taoyuan (TW)
Filed on Jun. 4, 2020, as Appl. No. 16/892,819.
Claims priority of provisional application 62/882,165, filed on Aug. 2, 2019.
Claims priority of application No. 202020150682.5 (CN), filed on Feb. 3, 2020.
Prior Publication US 2021/0033880 A1, Feb. 4, 2021
Int. Cl. G02B 27/64 (2006.01); H04N 23/68 (2023.01); G02B 7/04 (2021.01); H02K 41/035 (2006.01); H02K 11/215 (2016.01); H02N 2/04 (2006.01); H02N 2/06 (2006.01)
CPC H02K 41/0356 (2013.01) [G02B 27/64 (2013.01); H02K 11/215 (2016.01); H02N 2/043 (2013.01); H02N 2/062 (2013.01); H04N 23/68 (2023.01); G02B 7/04 (2013.01); G02B 27/646 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An optical element driving mechanism, comprising:
a movable portion for connecting to an optical element having a main axis;
a fixed portion, wherein the movable portion is movable relative to the fixed portion;
a driving assembly disposed on the movable portion or the fixed portion for driving the movable portion to move relative to the fixed portion; and
an assisting assembly, comprising a support element and a limiting element, wherein the limiting element is affixed on the fixed portion, and the movable portion is movably connected to the fixed portion through the assisting assembly;
wherein the support element is partially embedded in the movable portion, and the support element comprises an embedded portion embedded in the movable portion and an exposed portion that is at least partially exposed from the movable portion, wherein the embedded portion have a plate shape, and the exposed portion have a half-spherical shape;
wherein the limiting element has a column extending along the main axis, an opening is formed in the column, and the exposed portion of the support element is disposed in the opening.