US 12,353,045 B2
Optical element driving mechanism
Shu-Shan Chen, Taoyuan (TW); Pai-Jui Cheng, Taoyuan (TW); Chieh-An Chang, Taoyuan (TW); Hsiao-Hsin Hu, Taoyuan (TW); and Chao-Chang Hu, Taoyuan (TW)
Assigned to TDK TAIWAN CORP., Taoyuan (TW)
Filed by TDK TAIWAN CORP., Taoyuan (TW)
Filed on Mar. 28, 2022, as Appl. No. 17/705,600.
Claims priority of provisional application 63/167,300, filed on Mar. 29, 2021.
Prior Publication US 2022/0308357 A1, Sep. 29, 2022
Int. Cl. G02B 7/04 (2021.01); G02B 7/08 (2021.01); G02B 27/64 (2006.01); G03B 3/10 (2021.01); G03B 5/00 (2021.01); G03B 11/04 (2021.01); H01F 7/02 (2006.01); H01F 7/08 (2006.01)
CPC G02B 7/08 (2013.01) [G02B 7/04 (2013.01); G02B 27/646 (2013.01); G03B 3/10 (2013.01); G03B 5/00 (2013.01); G03B 11/043 (2013.01); H01F 7/02 (2013.01); H01F 7/081 (2013.01); G03B 2205/0007 (2013.01); G03B 2205/0053 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An optical element driving mechanism, comprising:
a fixed portion comprising a first extending portion extending in a main axis, wherein the first extending portion comprises a first extending unit and a second extending unit being plate-shaped, a first recess is formed on the first extending unit, and a second recess is formed on the second extending unit;
a movable portion arranged with the fixed portion in the main axis, and the movable portion is movable relative to the fixed portion;
a driving assembly used for driving the movable portion to move relative to the fixed portion; and
a first weighting element disposed on the driving assembly for stabilizing the driving assembly.