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US 11,886,035 B2Granted
Optical mechanism and lens module thereof
AssigneeTDK Taiwan Corp.
InventorsYu-Cheng Lin, Chen-Chi Kuo, Kun-Shih Lin, Fu-Yuan Wu
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Abstract
A lens module is provided, including a holder, a barrel, and an optical element. The optical element is affixed in the barrel, and the holder has a first material. Additionally, the barrel is affixed in the holder and has a second material, wherein the hardness of the first material is greater than the hardness of the second material.
Claims19
An optical mechanism, comprising:
- a movable module, for connecting an optical element, and comprising a holder, wherein the holder comprises:
- a hollow main body, having a connection surface;
- and
- a restricting portion, having an upper surface and protruding outward from the main body in a horizontal direction perpendicular to an optical axis of the optical element;
- a fixed module, wherein the movable module moves relative to the fixed module within a moving range;
- a driving assembly, having a coil and a magnet for driving the movable module to move relative to the fixed module, wherein the restricting portion restricts the coil in a predetermined position on the holder;
- a first resilient element, having a first connecting portion, a second connecting portion, and a deformable portion connecting the first connecting portion with the second connecting portion, wherein the first and second connecting portions respectively connect to the fixed module and the connection surface of the main body, and the upper surface faces the deformable portion;
- and
- a second resilient element having a third connecting portion and a fourth connecting portion respectively connected to the fixed module and the holder, wherein the magnet has a first height along the optical axis, a first distance is formed between the second and fourth connecting portions along the optical axis, and the first height is greater than the first distance;
- wherein when the movable module is located at any position within the moving range, the upper surface and the first resilient element are spaced apart from each other and at least partially overlap along the optical axis.
7 more elements
An optical mechanism, comprising:
- a movable module, for connecting an optical element, and comprising a holder, wherein the holder comprises:
- a hollow main body, having a connection surface;
- and
- a restricting portion, having an upper surface and protruding outward from the main body in a horizontal direction perpendicular to an optical axis of the optical element;
- a fixed module, wherein the movable module moves relative to the fixed module within a moving range;
- a driving assembly, having a coil and a magnet for driving the movable module to move relative to the fixed module, wherein the restricting portion restricts the coil in a predetermined position on the holder;
- a first resilient element, having a first connecting portion, a second connecting portion, and a deformable portion connecting the first connecting portion with the second connecting portion, wherein the first and second connecting portions respectively connect to the fixed module and the connection surface of the main body, and the upper surface faces the deformable portion;
- and
- a housing, forming an inner surface,
- wherein when the movable module is located at any position within the moving range, the upper surface and the first resilient element are spaced apart from each other and at least partially overlap along the optical axis,
- wherein the housing has a top portion and four sidewall portions, and a depressed structure is formed at a corner of the top portion and located adjacent to one of the four sidewall portions, wherein the depressed structure and the magnet at least partially overlap when viewed along the optical axis, and
- wherein the depressed structure comprises a substantially triangular main portion and a longitudinal portion extending along an edge of the top portion, and the longitudinal portion and the magnet at least partially overlap when viewed along the optical axis.
9 more elements
An optical mechanism, comprising:
- a movable module, for connecting an optical element, and comprising a holder, wherein the holder comprises:
- a hollow main body, having a connection surface;
- a restricting portion, having an upper surface and protruding outward from the main body in a horizontal direction perpendicular to an optical axis of the optical element;
- a fixed module, wherein the movable module moves relative to the fixed module within a moving range;
- a driving assembly, having a coil and a magnet for driving the movable module to move relative to the fixed module, wherein the restricting portion restricts the coil in a predetermined position on the holder;
- a first resilient element, having a first connecting portion, a second connecting portion, and a deformable portion connecting the first connecting portion with the second connecting portion, wherein the first and second connecting portions respectively connect to the fixed module and the connection surface of the main body, and the upper surface faces the deformable portion;
- a housing, forming an inner surface;
- and
- a quadrilateral base, having a bottom plate and two protrusions each protruding from the bottom plate and toward the magnet;
- wherein when the movable module is located at any position within the moving range, the upper surface and the first resilient element are spaced apart from each other and at least partially overlap along the optical axis;
- wherein the housing has a top portion and four sidewall portions, and a depressed structure is formed at a corner of the top portion and located adjacent to one of the four sidewall portions, wherein the depressed structure and the magnet at least partially overlap when viewed along the optical axis;
- wherein the protrusions of the quadrilateral base each forms an outer surface adjacent to the housing and substantially parallel to the optical axis;
- wherein the quadrilateral base further comprises a recess, and the recess is formed between the two protrusions of the quadrilateral base and corresponds to the magnet;
- wherein the recess forms a sloped surface that extends toward the housing to an edge of the quadrilateral base.
11 more elements
An optical mechanism, comprising:
- a movable module, for connecting an optical element, and comprising a holder, wherein the holder comprises:
- a hollow main body, having a connection surface;
- and
- a restricting portion, having an upper surface and protruding outward from the main body in a horizontal direction perpendicular to an optical axis of the optical element;
- a fixed module, wherein the movable module moves relative to the fixed module within a moving range;
- a driving assembly, having a coil and a magnet for driving the movable module to move relative to the fixed module, wherein the restricting portion restricts the coil in a predetermined position on the holder;
- a first resilient element, having a first connecting portion, a second connecting portion, and a deformable portion connecting the first connecting portion with the second connecting portion, wherein the first and second connecting portions respectively connect to the fixed module and the connection surface of the main body, and the upper surface faces the deformable portion;
- and
- a housing, forming an inner surface;
- wherein when the movable module is located at any position within the moving range, the upper surface and the first resilient element are spaced apart from each other and at least partially overlap along the optical axis,
- wherein the housing has a top portion and four sidewall portions, and a depressed structure is formed at a corner of the top portion and located adjacent to one of the four sidewall portions, wherein the depressed structure and the magnet at least partially overlap when viewed along the optical axis, and
- wherein the holder further comprises a protrusion protruding from the connection surface toward the housing, and the protrusion of the holder has a top surface facing the housing, wherein the protrusion of the holder is covered by the housing along the optical axis.
9 more elements
Dependencies are inferred from the claim text.