(19)
(11)EP 3 770 664 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
07.04.2021 Bulletin 2021/14

(43)Date of publication A2:
27.01.2021 Bulletin 2021/04

(21)Application number: 20187651.3

(22)Date of filing:  24.07.2020
(51)International Patent Classification (IPC): 
G02B 7/08(2021.01)
(84)Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30)Priority: 26.07.2019 US 201962879190 P
30.08.2019 US 201962894295 P

(71)Applicant: TDK TAIWAN CORP.
Taoyuan City 326 (TW)

(72)Inventors:
  • TANG, Shun-Chieh
    326 Taoyuan City (TW)
  • KUO, Chen-Chi
    326 Taoyuan City (TW)
  • CHENG, Yi-Chun
    326 Taoyuan City (TW)
  • HSIEH, Ming-Chun
    326 Taoyuan City (TW)
  • WU, Ya-Hsiu
    326 Taoyuan City (TW)
  • WANG, Ying-Jen
    326 Taoyuan City (TW)
  • SONG, Sin-Jhong
    326 Taoyuan City (TW)

(74)Representative: Hoefer & Partner Patentanwälte mbB 
Pilgersheimer Straße 20
81543 München
81543 München (DE)

  


(54)OPTICAL ELEMENT DRIVING SYSTEM


(57) An optical element driving system is provided. The optical element driving system includes an optical element driving mechanism and a control assembly. The optical element driving mechanism includes a movable portion, a fixed portion, a driving assembly, and a position-sensing assembly. The movable portion is used for connecting to an optical element. The movable portion is movable relative to the fixed portion. The movable portion is in an accommodating space in the fixed portion. The driving assembly is used for driving the movable portion to move relative to the fixed portion. The control assembly provides a driving signal to the driving assembly to control the driving assembly. The position-sensing assembly is used for detecting the movement of the movable portion relation to the fixed portion and providing a motion-sensing signal to the control assembly.







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