Camera module including damper and electronic device including the same
A camera module is provided. The camera module includes a lens having an optical axis, a first structure configured to carry the lens along the optical axis, a second structure, wherein the first structure is configured to move relative to the second structure, an extension extending from any one of the first structure or the second structure, a guide tunnel positioned in the other one of the first structure or the second structure and configured to guide the extension, and a damper configured to damp a movement of the extension in a direction of the optical axis.
1 . A camera module, comprising:
a lens having an optical axis;
a first structure configured to carry the lens along the optical axis and comprising a carrier, wherein the carrier comprises:
a top carrier surface;
a bottom carrier surface opposite the top carrier surface;
an inner side carrier surface between the top carrier surface and the bottom carrier surface; and
an outer side carrier surface opposite the inner side carrier surface and between the top carrier surface and the bottom carrier surface;
a second structure, wherein the first structure is configured to move relative to the second structure;
an extension extending from the first structure, wherein the extension comprises:
a top surface;
a bottom surface opposite the top surface and connected to the outer side carrier surface; and
a side surface between the top surface and the bottom surface,
wherein the top surface of the extension comprises:
a first area raised in a direction along the optical axis than the top carrier surface; and
a second area substantially coplanar with the top carrier surface;
a guide tunnel positioned in the second structure and configured to guide the extension; and
a damper configured to damp a movement of the extension in a direction of the optical axis.
2 . The camera module of claim 1 , wherein the damper is configured to damp the extension moving relative to the guide tunnel in a direction according to the optical axis.
3 . The camera module of claim 1 , wherein the damper surrounds the extension.
4 . The camera module of claim 1 , wherein the damper is positioned in the guide tunnel.
5 . The camera module of claim 1 , wherein the damper comprises a cured damping material.
6 . The camera module of claim 1 , wherein the damper fills the guide tunnel.
7 . The camera module of claim 1 , wherein the extension extends in a direction substantially orthogonal to the optical axis.
8 . The camera module of claim 1 , wherein the extension is positioned in a corner area of the first structure.
9 . The camera module of claim 1 , wherein the extension comprises a material different from the material of the first structure.
10 . The camera module of claim 1 , wherein the extension and the first structure are formed monolithically.
11 . The camera module of claim 1 , wherein a first width (W 1 ) of the extension is substantially equal to or less than a second width (W 2 ) of the guide tunnel.
12 . The camera module of claim 1 , wherein the guide tunnel comprises a curved surface.
13 . The camera module of claim 1 , wherein the guide tunnel is positioned in a corner area of the second structure.
14 . The camera module of claim 1 , wherein the first structure is configured to move in at least one of the direction according to the optical axis and the direction substantially orthogonal to the optical axis.
15 . The camera module of claim 1 , wherein a corner area of the first structure and a corner area of the second structure are spaced apart from each other to form a gap.
16 . The camera module of claim 1 , wherein the second structure comprises:
a base frame configured to support the first structure; and
a cover frame configured to cover the first structure.
17 . The camera module of claim 1 , further comprising:
a first electromagnetic element positioned in the first structure; and
a second electromagnetic element positioned in the second structure and configured to couple to the first electromagnetic element.
18 . The camera module of claim 1 , further comprising:
an elastic body configured to elastically support at least one of the first structure and the second structure.
19 . The camera module of claim 1 , further comprising:
a camera cover configured to cover the first structure and the second structure.
20 . An electronic device comprising:
a camera module,
wherein the camera module includes:
a lens having an optical axis,
a first structure configured to carry the lens along the optical axis and comprising a carrier, wherein the carrier comprises:
a top carrier surface;
a bottom carrier surface opposite the top carrier surface;
an inner side carrier surface between the top carrier surface and the bottom carrier surface; and
an outer side carrier surface opposite the inner side carrier surface and between the top carrier surface and the bottom carrier surface,
a second structure, wherein the first structure is configured to move relative to the second structure,
an extension extending from the first structure, wherein the extension comprises:
a top surface;
a bottom surface opposite the top surface and connected to the outer side carrier surface; and
a side surface between the top surface and the bottom surface,
wherein the top surface of the extension comprises:
a first area raised in a direction along the optical axis than the top carrier surface; and
a second area substantially coplanar with the top carrier surface,
a guide tunnel positioned in the second structure and configured to guide the extension, and
a damper configured to damp a movement of the extension in a direction of the optical axis.