Optical unit

  • US 11,119,391 B2
  • Filed: 03/25/2020
  • Issued: 09/14/2021
  • Est. Priority Date: 03/29/2019
  • Status: Active Grant
First Claim
Patent Images

1. An optical unit comprising:

  • a movable body including a camera module equipped with an image pickup element and an optical element;

    a fixed body;

    a support mechanism configured to movably support the movable body with respect to the fixed body; and

    a drive unit configured to move the movable body with respect to the fixed body, whereinthe movable body is supported by the support mechanism in a state where the movable body does not contact the fixed body in an optical axis direction,the optical unit includes a heat dissipation member made of metal and coupled to the image pickup element and the support mechanism,the heat dissipation member comprises a rolling frame coupled to lands of the image pickup element,the rolling frame comprises a frame-shaped unit arranged around the image pickup element and a coupling unit extending outward from the frame-shaped unit and coupled to the support mechanism,the coupling unit has a thin plate shape and comprises a U-shaped unit having a substantial U-shape and allowing for pivoting of the camera module in a roll direction, andthe movable body including the camera module is held so as to be displaceable in the roll direction with the optical axis direction as a pivot axis via the coupling unit of the rolling frame,wherein heat in the image pickup element is dissipated to the support mechanism via the coupling unit of the rolling frame.

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