Lens, lens module and manufacture method of lens

A manufacturing method and lens technology, applied in the field of photography, can solve the problems of image formation spots, reduce and destroy the imaging quality of the lens module 100, etc., and achieve the effects of preventing formation of spots, improving imaging quality, and improving image surface contrast and MTF value.

Inactive Publication Date: 2009-12-30
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

Especially in the area where the fixed part 132 of the lens module 100 is close to the optical part 131, the phenomenon of stray light is more serious, resulting in a decrease in image plane contrast and MTF (Modulation Transfer Function, modulation transfer function) value, and spots are formed on the image, thus destroying the lens. Image Quality of Module 100

Method used

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  • Lens, lens module and manufacture method of lens
  • Lens, lens module and manufacture method of lens
  • Lens, lens module and manufacture method of lens

Examples

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Embodiment Construction

[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0018] see figure 2 and image 3 , is the lens 10 provided by the first embodiment of the present invention, which includes an optical part 11 located at the center of the lens 10 and a fixing part 12 surrounding the optical part 11 and connecting with the optical part 11, the optical part 11 is used to transmit light .

[0019] The optical part 11 has a first optical surface 111 and a second optical surface 112 opposite to the first optical surface 111 . The first optical surface 111 and the second optical surface 112 can be spherical or aspheric.

[0020] The fixing part 12 is used to be fixed by other components, so that the lens 10 is fixed in the lens barrel. The fixing portion 12 has a first surface 121 and a second surface 122 opposite to the first surface 121 . The first surface 121 and the second surface 122 are in contact with the first optica...

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Abstract

The invention provides a lens comprising an optical part and a fixed part. The optical part is used for transmitting light; the fixed part encircles around the optical part and is connected with the optical part and is provided with two opposite surfaces; and the lens further comprises a light-absorbing part which is arranged at least one surface of the fixed part, integrally formed together with the optical part and the fixed part and used for absorbing the incident stray light of the light-absorbing part of the lens. In addition, the invention also provides a lens module adopting the lens, thereby improving image surface contrast and an MTF value, avoiding forming spots on images and improving the imaging quality. Furthermore, the invention provides a manufacture method of the lens.

Description

technical field [0001] The invention relates to the technical field of photography, in particular to a lens, a lens module using the lens and a manufacturing method of the lens. Background technique [0002] With the multi-functional development of electronic products, lens modules have become key components of camera devices widely used in consumer electronics products such as digital cameras, video cameras, personal digital assistants and mobile phones with camera functions. [0003] Such as figure 1 As shown, generally, the lens module 100 includes a lens barrel 110 , two lenses 130 disposed in the lens barrel 110 and a spacer 120 between the two lenses 130 . The spacer 120 is used to separate the two lenses 130 to prevent the two lenses 130 from contacting each other and being worn. The lens 130 includes an optical portion 131 and a fixing portion 132 surrounding the optical portion 131 . The optical part 131 is used to transmit the light beam and focus the light beam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B3/00G02B13/00G02B7/02G02B1/00B29D11/00
CPCG02B5/005G02B3/00
Inventor 黄议模
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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