Lens driving apparatus, photographing module and electronic device

A lens drive device and lens technology, applied in focusing devices, installation, optics, etc., can solve the problems of limited production efficiency and manufacturing pass rate of lens drive devices

Active Publication Date: 2019-05-14
LARGAN DIGITAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, this type of lens driving device is usually composed of multiple parts, and in order to meet the requirements for precision and smooth movement of the lens, multiple alignment and calibration steps are required during the assembly process of the lens driving device to move the multiple parts. The parts are assembled precisely one by one, thus limiting the production efficiency and manufacturing yield of the lens drive device

Method used

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  • Lens driving apparatus, photographing module and electronic device
  • Lens driving apparatus, photographing module and electronic device
  • Lens driving apparatus, photographing module and electronic device

Examples

Experimental program
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no. 1 example

[0067] With reference Figure 1 to Figure 3 , figure 1 An exploded view showing the lens driving device 100 according to the first embodiment of the present invention, figure 2 Another exploded view showing the lens driving device 100 of the first embodiment, image 3 A schematic diagram of the lens driving device 100, the lens 200, and the electronic photosensitive element 300 of the first embodiment is shown. Depend on Figure 1 to Figure 3It can be seen that the lens driving device 100 is used to drive the lens 200, and the lens driving device 100 includes a base 170, a metal casing 110, a carrier 130, at least one sensing magnet 150, a circuit board 190, at least one position sensing element 180, a coil 140 and At least three drive magnets 125 .

[0068] Depend on image 3 It can be seen that the lens 200 is assembled with the lens driving device 100, and the electronic photosensitive element 300 is used to receive the imaging light from the lens 200 and is arranged ...

no. 2 example

[0099] With reference Figure 7 and Figure 8 ,in Figure 7 A schematic diagram showing an electronic device 10 according to a second embodiment of the present invention, Figure 8 Another schematic diagram of the electronic device 10 in the second embodiment is shown, and Figure 7 and Figure 8 In particular, a schematic diagram of a camera in the electronic device 10 . Depend on Figure 7 and Figure 8 It can be seen that the electronic device 10 of the second embodiment is a smart phone, and the electronic device 10 includes a camera module 11 and an electronic photosensitive element 13, wherein the camera module 11 includes a lens driving device 14 and a lens 12 according to the present invention, and the lens 12 and the lens drive The carrier (not shown) of the device 14 is assembled, and the electronic photosensitive element 13 is disposed on the imaging surface (not shown) of the lens 12 to receive the imaging light from the lens 12 . Therefore, with good imagin...

no. 3 example

[0106] With reference Figure 10 , Figure 10 A schematic diagram of an electronic device 20 according to a third embodiment of the present invention is shown. Depend on Figure 10 It can be seen that the electronic device 20 of the third embodiment is a smart phone, and the electronic device 20 includes the camera modules 21, 71 and the corresponding electronic photosensitive elements (not shown in the figure). The camera module 21 includes a lens driving device 24 and a lens 22 . The lens 22 is assembled with a carrier (not shown) of the lens driving device 24 . The electronic photosensitive element is used to receive the imaging light from the lens 22 . The camera module 71 includes a lens driving device 74 and a lens 72 . The lens 72 is assembled with a carrier (not shown) of the lens driving device 74 . The electronic photosensitive element is used to receive imaging light from the lens 72 .

[0107] Furthermore, at least one of the lens driving devices 24, 74 is a len...

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PUM

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Abstract

A lens driving apparatus, a photographing module and an electronic device are provided. The lens driving apparatus includes a holder, a metal cover, a carrier, at least one detection magnet, a circuitboard, at least one position detection unit, a coil and at least three driving magnets. The holder has a rectangular appearance, wherein the holder includes a holder opening and four sides. The carrier is used for being assembled with the lens and is displaceable relative to the holder along a direction parallel to a central axis. A circuit board opening is disposed correspondingly to the holderopening. The position detection unit is disposed on the circuit board and correspondingly to the detection magnet. The holder further includes at least three first terminals and a plurality of secondterminals. The first terminals are positioned close to only one of the four sides of the holder and extended outward from the holder along the direction parallel to the central axis, wherein the position detection unit is positioned close to another one of the four sides. The second terminals are fixedly connected to the circuit board. Therefore, the assembling complexity is reduced.

Description

technical field [0001] The present invention relates to a lens driving device and a camera module, and in particular to a lens driving device and a camera module applied to a portable electronic device. Background technique [0002] For lenses mounted on electronic devices today, a voice coil motor (VCM) is usually used as the lens driving device for auto-focusing the lens. The shrapnel in the lens driving device can drive the carrier (Carrier) that accepts the lens, and the shrapnel deforms under force. It provides the degree of freedom and restoring force required for the movement of the carrier to achieve the auto-focus function of the lens. [0003] However, this type of lens driving device is usually composed of multiple parts, and in order to meet the requirements for precision and smooth movement of the lens, multiple alignment and calibration steps are required during the assembly process of the lens driving device to move the multiple parts. The components are asse...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B7/09G03B13/36G03B30/00
CPCG02B7/08G02B7/09
Inventor 曾德生许文鸿周明达
Owner LARGAN DIGITAL
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