An aperture set comprises: a support including a first opening overlapping with a lens; a rotor rotatably disposed on the support and including a second opening overlapping with the lens and the first opening; and a plurality of blades disposed on the support and respectively rotatably disposed on the rotor, wherein an inner surface of the blade for adjusting an amount of light incident on the lens includes a curved portion and a straight portion.

An aperture set comprises: a support including a first opening overlapping with a lens; a rotor rotatably disposed on the support and including a second opening overlapping with the lens and the first opening; and a plurality of blades disposed on the support and respectively rotatably disposed on the rotor, wherein an inner surface of the blade for adjusting an amount of light incident on the lens includes a curved portion and a straight portion.

In order to reduce the noise of a lens barrel, the lens barrel includes a plurality of diaphragm blades, a driver driving the plurality of diaphragm blades, a first opening member that holds the driver, a second opening member including a plurality of facing portions opposed to the first opening member in an optical axis direction, and a plurality of buffer members disposed between the first opening member and the plurality of facing portions, respectively, wherein the plurality of buffer members position the first opening member with respect to the second opening member.

An imaging lens with an optical axis includes a lens carrier and a variable through hole assembly. The lens carrier is configured for at least one lens element to be disposed therein, and the lens carrier includes a mount structure. The variable through hole assembly includes a plurality of movable blades and a rotatable element. The movable blades movably and together surround the optical axis to form a through hole, and a size of the through hole is variable by movement of the movable blades. The rotatable element is connected to the movable blades, and the rotatable element moves the movable blades to vary the size of the through hole. At least one of the movable blades and the rotatable element of the variable through hole assembly is disposed on the mount structure.

An imaging lens with an optical axis includes a lens carrier and a variable through hole assembly. The lens carrier is configured for at least one lens element to be disposed therein, and the lens carrier includes a mount structure. The variable through hole assembly includes a plurality of movable blades and a rotatable element. The movable blades movably and together surround the optical axis to form a through hole, and a size of the through hole is variable by movement of the movable blades. The rotatable element is connected to the movable blades, and the rotatable element moves the movable blades to vary the size of the through hole. At least one of the movable blades and the rotatable element of the variable through hole assembly is disposed on the mount structure.

An optical element driving mechanism, which drives an optical element, includes a fixed portion, a first movable portion, and a driving assembly. The first movable portion is moved relative to the fixed portion, and the driving assembly drives the first movable portion to move relative to the fixed portion. The first movable portion is moved in a first dimension relative to the fixed portion, and the first movable portion drives the optical element to move.

An embodiment of the present invention relates to a camera module comprising: a housing; a bobbin arranged inside the housing; a first magnet arranged on the bobbin; a first coil arranged in the housing and facing the first magnet; a plurality of lenses attached to the bobbin; and an iris unit coupled to the bobbin, wherein the plurality of lenses comprises a first lens and a second lens distanced from each other, and at least a portion of the iris unit is positioned between the first lens and the second lens.

An embodiment of the present invention relates to a camera module comprising: a housing; a bobbin arranged inside the housing; a first magnet arranged on the bobbin; a first coil arranged in the housing and facing the first magnet; a plurality of lenses attached to the bobbin; and an iris unit coupled to the bobbin, wherein the plurality of lenses comprises a first lens and a second lens distanced from each other, and at least a portion of the iris unit is positioned between the first lens and the second lens.

An optical member driving mechanism is provided, including a fixed portion, a movable portion, and a driving module, wherein the movable portion is movably connected to the fixed portion and includes an optical member holder and a spacing member. The optical member holder can support an optical member and has a surface facing the optical member. The optical member can change the moving direction of an external light. The spacing member is disposed between the surface and the optical member, and a gap is formed between the surface and the optical member. The driving module can drive the movable portion to move relative to the fixed portion.

An optical member driving mechanism is provided, including a fixed portion, a movable portion, and a driving module, wherein the movable portion is movably connected to the fixed portion and includes an optical member holder and a spacing member. The optical member holder can support an optical member and has a surface facing the optical member. The optical member can change the moving direction of an external light. The spacing member is disposed between the surface and the optical member, and a gap is formed between the surface and the optical member. The driving module can drive the movable portion to move relative to the fixed portion.