LENS DRIVING APPARATUS
First Claim
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1. A lens driving apparatus comprising:
- a base;
a yoke coupled to the base;
a bobbin movably disposed in an inner portion of the yoke;
magnets disposed in the yoke;
a coil fixed to an outer portion of the bobbin while facing the magnets; and
springs coupled to the bobbin to provide restoration force to the bobbin,wherein the springs comprise an upper spring coupled to an upper portion of the bobbin and a lower spring coupled to a lower portion of the bobbin, andwherein the coil has an octagonal shape.
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Abstract
Disclosed is a lens driving apparatus. The lens driving apparatus comprises a base, a yoke coupled to the base, having an upper surface formed with a hole, a closed side surface, and an opened bottom surface, a bobbin movably installed in an inner portion of the yoke, a lens module coupled to the bobbin to go in and out the hole according to movement of the bobbin, a magnet fixed to an inner portion of the yoke, a coil fixed to an outer portion of the bobbin while facing the magnets, and springs coupled to the bobbin to provide restoration force to the bobbin.
10 Citations
20 Claims
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1. A lens driving apparatus comprising:
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a base; a yoke coupled to the base; a bobbin movably disposed in an inner portion of the yoke; magnets disposed in the yoke; a coil fixed to an outer portion of the bobbin while facing the magnets; and springs coupled to the bobbin to provide restoration force to the bobbin, wherein the springs comprise an upper spring coupled to an upper portion of the bobbin and a lower spring coupled to a lower portion of the bobbin, and wherein the coil has an octagonal shape. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A lens driving apparatus comprising:
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a base; a yoke coupled to the base; a bobbin movably disposed in an inner portion of the yoke; magnets disposed in the yoke; a coil fixed to an outer portion of the bobbin while facing the magnets; and springs coupled to the bobbin to provide restoration force to the bobbin, wherein the springs comprise an upper spring coupled to an upper portion of the bobbin and a lower spring coupled to a lower portion of the bobbin, and wherein the yoke is disposed on an outermost surface of the lens driving apparatus. - View Dependent Claims (12, 13, 14)
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15. A lens driving apparatus comprising:
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a base; a yoke coupled to the base; a bobbin movably disposed in an inner portion of the yoke; magnets disposed in the yoke; a coil fixed to an outer portion of the bobbin while facing the magnets; and springs coupled to the bobbin to provide restoration force to the bobbin, wherein the springs comprise an upper spring coupled to an upper portion of the bobbin and a lower spring coupled to a lower portion of the bobbin, and wherein the yoke includes four side surfaces and four corners, and each of the four corner is disposed between two side surfaces of the four side surface, wherein the magnets are disposed in four regions adjacent to the four corners, wherein each of the magnets includes a lower surface, an upper surface, and side surface, wherein the side surfaces include an inner side surface faced with the coil, and three outer side surfaces faced with the yoke. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification