Lens module

A lens module and lens technology, applied in the direction of installation, optics, optical filters for photography, etc., can solve the problems of large weight and volume, large assembly space, inconvenient use, etc., and achieve small size, simple structure, and convenient assembly Effect

Inactive Publication Date: 2009-10-14
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

[0003] Since the lens 1201, the infrared cut filter 1202 and the cover 1602 of the lens module 100 are generally made of glass or plastic, the weight and volume are relatively large, and they need to occupy a large assembly space, causing inconvenience in use. And increased the production cost of the lens module 100

Method used

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Examples

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Embodiment Construction

[0012] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0013] see figure 2 The lens module 10 provided by the first embodiment of the present invention includes a lens barrel 12 , a lens group 14 , an image sensor 16 and a lens cover 18 .

[0014] The lens barrel 12 is a hollow cylindrical structure, and the lens group 14 is accommodated in the lens barrel 12 .

[0015] The image sensor 16 includes an image sensor chip 161 , a cover plate 162 and a substrate 163 . Wherein, the image sensing chip 161 is fixed on the substrate 163, the cover plate 162 is made of transparent material such as glass, the cover plate 162 is fixed on the substrate 163, so that the image sensing chip 161 is packaged between the cover plate 162 and the substrate 163 . The cover plate 162 is mounted on one end of the lens barrel 12 , and light entering the lens barrel 12 passes through the lens set 14 and then passes through the cover ...

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Abstract

The invention provides a lens module, comprising a lens barrel, a lens set arranged inside the lens barrel and a transparent lens cover. The lens cover is fixed at one end of the lens barrel, and is provided with an infrared cut-off filter unit.

Description

technical field [0001] The invention relates to a lens module, in particular to a lens module with convenient assembly and simple structure. Background technique [0002] At present, the lens modules of most digital cameras are composed of lens groups, lens barrels, image sensors and other components. Such as figure 1 As shown, a conventional lens module 100 includes a lens group 120 , a lens barrel 140 and an image sensor 160 . The lens set 120 includes a lens 1201 for focusing and an IR-cut filter (IR-cut filter) 1202 for filtering infrared rays. The lens 1201 and the IR-cut filter 1202 are accommodated inside the lens barrel 140 . The image sensor 160 is installed at one end of the lens barrel 140 and includes an image sensor chip 1601 , a cover plate 1602 and a substrate 1603 . Wherein, the image sensing chip 1601 is fixed on the substrate 1603, the cover plate 1602 is made of transparent material such as glass, the edge of the cover plate 1602 is fixed on the edge of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B7/02G03B11/04G02B1/11G02B1/10
Inventor 简士哲
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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