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Camera lens module

A lens module and module technology, applied in installation, optics, instruments, etc., can solve problems such as difficult to adjust the inclination of the voice coil motor and affect the image quality of the image sensing module

Inactive Publication Date: 2013-07-03
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Abstract
  • Description
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Problems solved by technology

[0003] However, since the voice coil motor is directly mounted 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

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Embodiment Construction

[0016] 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.

[0017] 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. 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, and the elastic element is fixed inside the groove. The voice coil motor comprises a lower cover, wherein the lower cover is arranged on the upper surface in a bearing mode, and abuts against the elastic element, and the elastic element is abutted so as to enable the image sensing module and the voice coil motor to be placed on a same optical axis. Due to the fact that the elastic element is arranged inside the seat body, alignment precision between the voice coil motor and the image sensing module can be adjusted accurately.

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, since the voice coil motor is directly mounted 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. As a result, the optical axes between the voice coil motor and the image sensing module are not on the same straight line, thereby affecting the imaging quality of the image sensing module. Contents of the invention [0004] In view o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B7/04H02K33/18
Inventor 游祥杰
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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