Dual camera module and optical device

Patent metadata

Field	Value
Publication number	US-11743562-B2
Application number	US-202218069707-A
Country	US
Kind code	B2
Filing date	Dec 21, 2022
Priority date	Jul 13, 2016
Publication date	Aug 29, 2023
Grant date	Aug 29, 2023

Abstract

The present embodiment relates to a dual camera module comprising a first camera module and a second camera module, wherein: a first magnet unit of the first camera module includes a first magnet and a second magnet, both disposed opposite to each other on a side surface of a first housing; a second magnet unit of the second camera module includes a third to a sixth magnet arranged on four respective corners of a second housing; a third magnet unit is disposed on a side surface of the first housing facing the second housing; the third magnet unit is disposed between the first magnet and the second magnet; and the third magnet unit is smaller than the first magnet and is disposed on a virtual line connecting an optical axis of the first camera module and an optical axis of the second camera module.

First claim

The invention claimed is:

1. A camera device comprising:
a first lens driving device comprising a first cover member; and
a second lens driving device comprising a second cover member,
wherein the first lens driving device comprises:
a first bobbin disposed in the first cover member;
a first coil disposed between the first bobbin and the first cover member; and
a first magnet member disposed between the first bobbin and the first cover member,

wherein the first cover member comprises a first lateral plate, a second lateral plate opposite to the first lateral plate, and third and fourth lateral plates opposite to each other,
wherein the first magnet member comprises a first magnet disposed between the first bobbin and the first lateral plate, a second magnet disposed between the first bobbin and the second lateral plate, and a third magnet disposed between the first bobbin and the third lateral plate,
wherein the first magnet and the second magnet are overlapped with the first coil in a first direction perpendicular to a first optical axis of the first lens driving device,
wherein the third magnet is overlapped with the second cover member in a second direction from the first optical axis of the first lens driving device to a second axis of the second lens driving device, and
wherein a size of the second cover member is different from a size of the first cover member.

2. The camera device of claim 1 , wherein the second cover member comprises first and second lateral plates overlapped with each other in a third direction perpendicular to a second optical axis of the second lens driving device, and third and fourth lateral plates overlapped with each other in the second direction,
wherein a size of the third lateral plate of the second cover member is greater than a size of the third lateral plate of the first cover member.

3. The camera device of claim 1 , wherein a length of the third magnet in the first direction is less than 50% of a length of the first magnet in the second direction.

4. The camera device of claim 1 , wherein the second lens driving device comprises:
a second bobbin disposed in the second cover member; and
a second coil and a second magnet member disposed in the second cover member and configured to move the second bobbin of the second lens driving device.

5. The camera device of claim 4 , wherein the second magnet member comprises four magnets facing the second coil, and
wherein a size of at least one of the four magnets of the second lens driving device is different from a size of the first magnet of the first lens driving device.

6. The camera device of claim 4 , wherein the second lens driving device comprises a second housing disposed between the second cover member and the second bobbin, and
wherein the second magnet member of the second lens driving device is disposed on each of four corners of the second housing.

7. The camera device of claim 1 , wherein the third magnet is coupled with the first cover member.

8. The camera device of claim 1 , comprising an adhesive fixing the first magnet member to the first cover member.

9. The camera device of claim 1 , wherein the size of the second cover member is greater than the size of the first cover member.

10. An optical apparatus, comprising:
a printed circuit board (PCB);
first and second image sensors disposed on the PCB;
the camera device of claim 1 disposed on the PCB;
a first lens coupled to the first lens driving device and disposed at a position corresponding to that of the first image sensor; and
a second lens coupled to the second lens driving device and disposed at a position corresponding to that of the second image sensor.

11. An optical apparatus comprising:
a main body;
the camera device of claim 1 disposed on the main body; and
a display part disposed on the main body and configured to output an image photographed by the camera device.

12. A camera device comprising:
a first lens driving device comprising a first cover member and a first bobbin in the first cover member, and
a second lens driving device comprising a second cover member and a second bobbin in the second cover member,
wherein the first cover member comprises first and second lateral plates overlapped with each other in a first direction perpendicular to a first optical axis of the first lens driving device, and third and fourth lateral plates overlapped with each other in a second direction perpendicular to the first direction,
wherein the second cover member comprises first and second lateral plates overlapped with each other in a third direction perpendicular to a second optical axis of the second lens driving device, and third and fourth lateral plates overlapped with each other in the second direction, and
wherein a size of the third lateral plate of the second cover member is different from a size of the third lateral plate of the first cover member.

13. The camera device of claim 12 , wherein the first lens driving device comprises:
a first bobbin disposed in the first cover member;
a first coil disposed between the first bobbin and the first cover member; and
a first magnet member disposed between the first bobbin and the first cover member,
wherein the first magnet member comprises a first magnet disposed between the first bobbin and the first lateral plate, a second magnet disposed between the first bobbin and the second lateral plate, and a third magnet disposed between the first bobbin and the third lateral plate.

14. The camera device of claim 13 , wherein the first magnet and the second magnet are overlapped with the first coil in the first direction, and
wherein the third magnet is overlapped with the second cover member in the second direction.

15. The camera device of claim 13 , wherein a length of the third magnet in the first direction is less than 50% of a length of the first magnet in the second direction.

16. A camera device comprising:
a first lens driving device comprising a first cover member; and
a second lens driving device comprising a second cover member,
wherein the first cover member comprises first and second lateral plates overlapped with each other in a first direction perpendicular to a first optical axis of the first lens driving device, and third and fourth lateral plates overlapped with each other in a second direction perpendicular to the first direction,
wherein the second cover member comprises first and second lateral plates overlapped with each other in a third direction perpendicular to a second optical axis of the second lens driving device, and third and fourth lateral plates overlapped with each other in the second direction,
wherein the first lens driving device comprises:
a first bobbin disposed in the first cover member;
a first coil disposed between the first bobbin and the first cover member; and
a first magnet disposed between the first bobbin and the first lateral plate of the first cover member,
a second magnet disposed between the first bobbin and the second lateral plate of the first cover member, and
a third magnet overlapped with the third lateral plate of the first cover member and the third lateral plate of the second cover member in the second direction,

wherein a length of the third magnet in the first direction is less than 50% of a length of the first magnet in the second direction, and
wherein a length of the second cover member is greater than a length of the first cover member in the first direction.

17. The camera device of claim 16 , wherein the second lens driving device comprises:

Assignees

• Lg Innotek Co Ltd

Inventors

• Lee Jun Taek
• Min Sang Jun
• Jung Tae Jin

Classifications

• H04N23/6812

  based on additional sensors, e.g. acceleration sensors · CPC title

• H04N23/687

  by shifting the lens or sensor position · CPC title

• H04N23/45 Primary

  for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images · CPC title

• G02B7/105 Primary

  with movable lens means specially adapted for focusing at close distances · CPC title

• G03B3/10 Primary

  Power-operated focusing · CPC title