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US 11,448,848 B2Granted
Lens driving device and camera module
AssigneeLG Innotek Co., Ltd.
InventorSung Guk Lee
Life of this patent
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Abstract
A lens drive device including a bobbin disposed within the housing; a coil disposed in the bobbin; a magnet disposed in the housing and facing the coil; a base disposed below the housing; and an elastic member coupled to the bobbin and the housing is provided. The base includes a groove formed in the upper surface thereof. At least a part of the elastic member is disposed in the groove of the base or above the groove. The groove of the base is disposed with a damping material.
Claims21
A lens driving device, comprising:
- a base;
- a housing disposed on the base;
- a bobbin disposed in the housing;
- a coil disposed on the bobbin;
- a magnet disposed on the housing and facing the coil;
- an upper elastic member coupled to the bobbin and the housing;
- a lower elastic member coupled to the bobbin and the housing;
- and
- a first damper connecting the upper elastic member and the housing,
- wherein the upper elastic member comprises an outer part coupled to the housing and a moving part extending from the outer part,
- wherein the moving part of the upper elastic member is configured to move when the bobbin moves, and
- wherein the first damper connects the moving part of the upper elastic member and the housing.
9 more elements
A lens driving device, comprising:
- a housing;
- a bobbin disposed in the housing;
- a coil disposed on the bobbin;
- a magnet disposed on the housing and facing the coil;
- an upper elastic member coupled to an upper portion of the bobbin and an upper portion of the housing;
- and
- a damper connecting the upper elastic member and the housing,
- wherein the upper elastic member comprises an outer part disposed on the housing and comprising a groove inwardly opened,
- wherein the upper elastic member comprises a protrusion,
- wherein at least a portion of the protrusion is disposed at a position corresponding to the groove of the outer part, and
- wherein the damper connects the protrusion of the upper elastic member and the housing.
8 more elements
A lens driving device, comprising:
- a housing;
- a bobbin disposed in the housing;
- a coil disposed on the bobbin;
- a magnet disposed on the housing and facing the coil;
- an upper elastic member coupled to an upper surface of the bobbing and an upper surface of the housing;
- and
- a damper connecting the upper elastic member and the housing,
- wherein the upper elastic member is disposed perpendicular to an optical axis,
- wherein the upper elastic member comprises an outer part disposed on the upper surface of the housing, an inner part coupled to the bobbin and a connection elastic part connecting the inner part and the outer part,
- wherein the housing comprises a damper accommodation part formed on the upper surface of the housing and configured to accommodate at least a portion of the damper, and
- wherein the damper connects the upper elastic member and the damper accommodation part of the housing.
8 more elements
Dependencies are inferred from the claim text.