Lens moving apparatus, camera module and mobile device including the same
First Claim
Patent Images
1. A camera module comprising:
- a lens moving device;
a first circuit board electrically connected to the lens moving device;
an image sensor disposed on the first circuit board; and
a first capacitor disposed on the first circuit board;
wherein the lens moving device comprises;
a housing;
a bobbin disposed in the housing;
an elastic member coupled to the bobbin;
a first coil disposed on the bobbin;
a first magnet disposed on the housing;
a second coil facing the first magnet;
a second circuit board disposed below the housing and including a first terminal, a second terminal, a third terminal, and fourth terminal; and
a first sensor disposed on the second circuit board and including first and second input terminals connected to the first and second terminals for receiving a first input signal from the second circuit board and first and second output terminals connected to the third and fourth terminals for outputting a first output signal to the second circuit board,wherein the first capacitor is connected in parallel to the first and second output terminals of the second circuit board.
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Abstract
Embodiments provide a lens moving apparatus including a bobbin having a lens barrel, a housing configured to accommodate the bobbin, an upper elastic member coupled to the bobbin and the housing, a lower elastic member coupled to the bobbin and the housing, a first coil disposed on the bobbin, a first magnet disposed on the housing, a circuit board disposed below the housing, a second coil disposed on the circuit board, a first sensor to output a first output signal based on a sensed result of a magnetic field strength of the first magnet, a first capacitor connected in parallel to the first sensor.
8 Citations
20 Claims
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1. A camera module comprising:
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a lens moving device; a first circuit board electrically connected to the lens moving device; an image sensor disposed on the first circuit board; and a first capacitor disposed on the first circuit board; wherein the lens moving device comprises; a housing; a bobbin disposed in the housing; an elastic member coupled to the bobbin; a first coil disposed on the bobbin; a first magnet disposed on the housing; a second coil facing the first magnet; a second circuit board disposed below the housing and including a first terminal, a second terminal, a third terminal, and fourth terminal; and a first sensor disposed on the second circuit board and including first and second input terminals connected to the first and second terminals for receiving a first input signal from the second circuit board and first and second output terminals connected to the third and fourth terminals for outputting a first output signal to the second circuit board, wherein the first capacitor is connected in parallel to the first and second output terminals of the second circuit board. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A camera module comprising:
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a lens moving device; a first circuit board electrically connected to the lens moving device; an image sensor disposed on the first circuit board; a first capacitor disposed on the first circuit board; and a second capacitor disposed on the circuit board; wherein the lens moving device comprises; a housing; a bobbin disposed in the housing; an elastic member coupled to the bobbin; a first coil disposed on the bobbin; a first magnet disposed on the housing; a second coil facing the first magnet; a second circuit board disposed below the housing; a base disposed below the second circuit board; a first sensor disposed on the second circuit board and including first and second input terminals for receiving a first input signal from the second circuit board and first and second output terminals for outputting a first output signal to the second circuit board; and a second sensor disposed on the second circuit board and including third and fourth input terminals for receiving a second input signal from the second circuit board and third and fourth output terminals for outputting a second output signal to the second circuit board, wherein the first capacitor is connected in parallel to the first and second output terminals of the first sensor, and wherein the second capacitor is connected in parallel to the third and fourth output terminals of the second sensor.
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Specification