Lens drive device and camera module

Abstract

This invention provides a lens drive mechanism structure for dual OIS that can eliminate mutual interference between magnets. [Solution] A housing; a bobbin disposed within the housing; a magnet 1320 and a dummy member 1330 disposed within the housing; a first coil 1220 disposed within the bobbin; and a substrate including a second coil facing the magnet, wherein the housing includes a first side and a second side facing each other, and a third side and a fourth side facing each other, the magnet includes a first magnet unit 1321 disposed within the first side, a second magnet unit 1322 disposed within the third side, and a third magnet unit 1323 disposed within the fourth side, and the dummy member is a lens drive device disposed within the second side.

Claims

1. housing; A bobbin placed inside the aforementioned housing; A magnet and a dummy member arranged in the aforementioned housing; A first coil arranged on the bobbin; and The substrate includes a second coil facing the aforementioned magnet, The housing has a first side and a second side facing each other, and a third side facing each other Including the section and the fourth side section, The magnet comprises a first magnet unit positioned on the first side, and the third side A second magnet unit is positioned there, and a third magnet unit is positioned on the fourth side. Including knitwear, The aforementioned dummy member is a lens drive device located on the second side.

2. housing; A bobbin placed inside the aforementioned housing; A magnet positioned in the aforementioned housing; A first coil arranged on the bobbin; and The substrate includes a second coil facing the aforementioned magnet, The housing has a first side and a second side facing each other, and a third side facing each other Including the section and the fourth side section, The magnet comprises a first magnet unit positioned on the first side, and the third side A second magnet unit is positioned there, and a third magnet unit is positioned on the fourth side. Including knitwear, The first magnet unit is a two-pole magnet, and the second magnet unit The lens drive device is a lens drive device in which the third magnet unit is a four-pole magnet.

3. The first coil comprises a first coil unit facing the second magnet unit, and The following is a lens according to claim 2, comprising a second coil unit facing the third magnet unit. Drive mechanism.

4. The first coil is a connector that connects the first coil unit and the second coil unit. Including the section, The connecting portion of the first coil is positioned between the first magnet unit and the bobbin. The lens drive according to claim 3, which is either positioned between the dummy member and the bobbin. Device.

5. The first coil is a first coil unit that is horizontally opposed to the second magnet unit. The set includes the third magnet unit and the second coil unit which is horizontally opposed to it. fruit, The second coil is a third coil unit that faces the first magnet unit perpendicularly. The set, the second magnet unit and the fourth coil unit facing the vertical direction, A claim including the third magnet unit and the fifth coil unit facing the third magnet unit in the vertical direction. The lens drive device described in item 2.

6. The aforementioned substrate includes holes, The hole in the substrate is located closer to the side of the substrate adjacent to the dummy member. A lens driving device formed according to any one of claims 1 to 3 and 5.

7. The second magnet unit and the third magnet unit move the bobbin in the optical axis direction. Move it to The first magnet unit, the second magnet unit and the third magnet unit The knit moves the housing in a direction perpendicular to the optical axis, according to claims 1 to 3 and 5. A lens drive device as described in item one.

8. Each of the second magnet unit and the third magnet unit is the first coil Including the first side which is opposite, The first surface is a lens according to any one of claims 1 to 3 and 5, having two poles. Drive unit.

9. Each of the first to third magnet units includes a second surface facing the second coil. fruit, The second surface is a lens according to any one of claims 1 to 3 and 5, having two poles. Drive unit.

10. The first lens drive device according to any one of claims 1 to 3 and 5; and The system includes a second lens drive device adjacent to the first lens drive device, The second lens drive device is adjacent to the fourth side of the housing of the first lens drive device. They are arranged in that way, The second lens drive device is housing; A bobbin positioned inside the housing of the second lens drive device; A third coil positioned on the outer circumferential surface of the bobbin of the second lens drive device; A magnet is positioned in the housing of the second lens drive device and facing the third coil. T; and The substrate includes a fourth coil facing the magnet of the second lens drive device, The magnet of the second lens drive device is located in the corner of the housing of the second lens drive device. A camera module including four magnetic units positioned at [location].

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