Zooming lens module group

A zoom lens and lens module technology, applied in installation, optics, instruments, etc., can solve the problems of reducing production cost, disadvantage, complex mechanical structure, etc., and achieve the effect of simplifying structure, reducing production cost, and reducing volume

Inactive Publication Date: 2008-06-25
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The mechanical structure of this type of zoom lens module is complex and the volume is large. Usually, a combination of various parts is required to mechanically drive the lens barrel loaded with lenses to move to achieve zooming. This is not conducive to reducing the size of the lens module and making it Combined with portable electronic devices, it cannot meet the increasing light, thin and small development needs of portable electronic devices, and it is also not conducive to reducing production costs

Method used

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  • Zooming lens module group
  • Zooming lens module group
  • Zooming lens module group

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] The zoom lens module provided by the embodiment of the technical solution will be further described below in conjunction with the accompanying drawings.

[0012] see figure 1 Embodiment 1 of the technical solution provides a zoom lens module 100 , which includes a lens barrel 20 , a piezoelectric actuator 30 , a first lens module 40 , a second lens module 50 and a lens base 60 .

[0013] The lens barrel 20 is a cylinder for accommodating the piezoelectric actuator 30 , the first lens module 40 and the second lens module 50 . The lens barrel 20 has a first end 21 and a second end 22, the first end 21 is provided with a light entrance hole 211, light can enter the zoom lens module 100 through the light entrance hole 211, and pass through the first The lens module 40 and the second lens module 50 . The inner wall of the first end 21 may be provided with threads for cooperating with and fixing the piezoelectric actuator 30, and the outer wall of the second end 22 may be p...

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Abstract

The invention relates to a zooming lens module, which comprises a lens barrel as well as a piezoelectric actuating device, a first lens module and a second lens module contained inside the lens barrel, wherein, the piezoelectric actuating device and the second lens module are fixed on the lens barren in turn; the piezoelectric actuating device comprises a piezoelectric ceramic piece and a slide piece matched with the piezoelectric ceramic piece; the first lens module is fixed on the slide piece; the piezoelectric ceramic piece is used to drive the slide piece to move along an optical axis under the action of voltage, thereby driving the first lens module to move along the optical axis relative to the second lens module. With a simple structure, the invention can effectively reduce the volume of the zooming lens module and lowers manufacturing cost.

Description

technical field [0001] The invention relates to a lens module, in particular to a zoom lens module. Background technique [0002] Digital image capture technology has been widely used by people, especially in recent years, portable electronic devices such as mobile phones, personal digital assistants and notebook computers have rapidly developed towards high performance and multi-functionality. Digital image capture technology and such portable electronic devices The combination of mobile multimedia technology has become an important development direction. [0003] With the continuous development of lens module technology, the miniature lens module used in the digital image capture technology of portable electronic devices in the prior art has gradually changed from a traditional fixed focus system to a high-end zoom system. However, a traditional zoom lens module usually uses a voice coil motor or a stepping motor as a driving source, and cooperates with a mechanical struc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B15/14G02B9/12G02B1/11G02B7/09H02N2/00
CPCG02B7/102G02B13/009
Inventor 林瑞兴
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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