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Camera lens module

A lens module and module technology, applied in installation, optics, instruments, etc., can solve the problems of blurred imaging images, not on the same straight line, high cost, etc., and achieve the goal of improving imaging quality, compensating shake, and ensuring alignment accuracy Effect

Inactive Publication Date: 2013-07-03
SCIENBIZIP CONSULTINGSHENZHENCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, when using the lens module to shoot images, the image will be blurred due to the shake of the photographer
The traditional anti-shake device compensates for the shake by moving the image sensor in the image sensor module, but the structure of the traditional anti-shake device is complicated, and it is independent of the focusing structure of the voice coil motor, so that the cost is relatively high. high
[0004] In addition, since the voice coil motor is directly carried on the image sensing module, if the voice coil motor is tilted relative to the image sensing module, it is difficult to adjust the inclination of the voice coil motor relative to the image sensing module during the assembly process. The optical axis between the voice coil motor and the image sensing module is not on the same straight line, which affects the imaging quality of the image sensing module

Method used

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Embodiment Construction

[0017] Such as Figure 1-2 As shown, it is a lens module 100 provided by an embodiment of the present invention, which has an optical axis L. As shown in FIG. The lens module 100 includes a voice coil motor 20 and an image sensing module 40 , and the voice coil motor 20 is fixed above the image sensing module 40 . A lens (not shown in the figure) is fixed in the voice coil motor 20, and the voice coil motor 20 drives the lens to deflect on a plane perpendicular to the optical axis L or move along the direction of the optical axis L compared with the image sensing module 40 , so as to realize shake compensation and focus of the lens module 100 . Establish a three-dimensional coordinate system with the optical axis L as the Z axis and the plane perpendicular to the optical axis L as the XY plane.

[0018] The voice coil motor 20 includes a housing 21, a movable barrel 22, a magnetic assembly 23, a first coil set 24, a second coil set 25, a first elastic piece 26, a lower cover...

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Abstract

The invention provides a camera lens module. The camera lens module comprises an image sensing module, and a voice coil motor which is fixed on the image sensing module. A first coil set used for preventing shake and a second coil set used for focusing are arranged on a movable installing cylinder of the voice coil motor. The image sensing module comprises a seat body and an elastic element. The seat body comprises an upper surface and a lower surface which is opposite to the upper surface, wherein a groove is formed in the upper surface, the elastic element is arranged inside the groove, one end of the elastic element stretches out from the upper surface, and a lower cover abuts against the upper surface of the seat body and the elastic element. In the assembling process, the alignment precision between the voice coil motor and the image sensing module is guaranteed, the first coil set fixed on the movable installing cylinder is used for compensating shake in the working process of the camera lens module, and therefore imaging quality of the camera lens module is effectively improved.

Description

technical field [0001] The invention relates to an image taking device, in particular to a lens module. Background technique [0002] The lens module generally includes a lens, a voice coil motor and an image sensing module. The voice coil motor is fixed above the image sensing module, and the lens is movably accommodated in the voice coil motor. The voice coil motor drives the lens to move relative to the image sensing module to achieve focusing. [0003] However, when the lens module is used to shoot images, the shake of the photographer will cause the image to be blurred. Traditional anti-shake devices compensate for shaking by moving the image sensor in the image sensor module, but the structure of the traditional anti-shake device is complicated, and it is independent of the focusing structure of the voice coil motor, so that the cost is relatively high. high. [0004] In addition, since the voice coil motor is directly carried on the image sensing module, if the vo...

Claims

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Application Information

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IPC IPC(8): G02B7/04H02K33/18
Inventor 游祥杰
Owner SCIENBIZIP CONSULTINGSHENZHENCO