Lens driving device, camera module and optical device
AssigneeLG Innotek Co., Ltd.
InventorSung Guk Lee
Life of this patent
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Abstract
The first embodiment of the present invention relates to a lens driving device comprising: a cover including an upper plate and a lateral plate extending from the upper plate; a bobbin arranged to move in a first direction within the cover; a coil arranged at the bobbin; a magnet which is arranged at the cover and faces the coil; and a base which is arranged below the bobbin and coupled to the cover, wherein the bobbin includes: a first surface facing the upper plate of the cover; a second surface which faces upwards and is arranged lower than the first surface; a first protrusion which is arranged at the first surface of the bobbin and overlapped with the upper plate of the cover in a first direction; and a groove concavely formed downwards on the second surface of the bobbin.
Claims20
A lens driving device comprising:
- a base;
- a cover disposed on the base and comprising an upper plate and a lateral plate extending from the upper plate;
- a bobbin disposed in the cover and configured to move in an optical axis direction;
- a coil disposed on the bobbin;
- and
- a magnet disposed in the cover and facing the coil,
- wherein the bobbin comprises a first surface facing upwards, a second surface facing upwards and disposed lower than the first surface, first and second protrusions protruding from the first surface and spaced apart from each other, and a groove recessed from the second surface,
- wherein the first protrusion of the bobbin is overlapped with the upper plate of the cover in the optical axis direction, and
- wherein at least a portion of the groove is disposed between the first protrusion and the second surface.
A lens driving device comprising:
- a base;
- a cover disposed on the base and comprising an upper plate and a lateral plate extending from the upper plate;
- a bobbin disposed in the cover and configured to move in an optical axis direction;
- a coil disposed on the bobbin;
- and
- a magnet disposed in the cover and facing the coil,
- wherein the bobbin comprises a first surface facing upwards, a second surface facing upwards and disposed lower than the first surface, first and second protrusions protruding from the first surface and spaced apart from each other, and a groove recessed from the second surface, and
- wherein the groove is disposed between the first surface and the second surface when viewed from above.
Dependencies are inferred from the claim text.