Patent attributes
A lens driving device is provided, the lens driving device including a housing including a through hole; a bobbin accommodated at the through hole; a magnet disposed on the housing; a first coil disposed on the bobbin and facing the magnet; a first support member coupled to the housing and the bobbin, and movably supporting the bobbin in a direction of an optical axis; a protrusion part outwardly protruded from an outer lateral surface of the bobbin; and a groove part on the housing at a position corresponding with the protrusion part and accommodating at least a portion of the protrusion part, wherein an outer lateral surface of the protrusion part includes a first surface, a second surface and a third surface disposed between the first surface and the second surface, wherein each of the first surface, the second surface and the third surface is parallel with an inner lateral surface of the groove part, and wherein an angle between the first surface and the third surface, and an angle between the second surface and the third surface are an obtuse angle.
