Optical lens component

A technology of optical lenses and components, applied in optical components, optics, instruments, etc., to eliminate primary aberrations, reduce weight, and reduce costs

Inactive Publication Date: 2010-06-23
深圳市合力泰光电有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, keeping the mobile phone thin, light and small while achieving high pixels has brought great challenges to the design of optical lens components.

Method used

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Embodiment Construction

[0026] The present invention will be further described in detail below through specific embodiments and in conjunction with the accompanying drawings.

[0027] like figure 1 As shown, the optical lens assembly of the present invention includes a fixed diaphragm 1, a group of lenses and a glass filter 5, and the group of lenses includes a coaxial plastic first lens 2 and a second lens arranged in sequence from the object direction image side 3 and the third lens 4, the optical lens assembly forms an image on the imaging surface 6, the fixed diaphragm 1 is located in front of the first lens 2 and close to the object side, and the filter 5 is located between the imaging surface 6 and the third lens 4.

[0028] The first lens 2 has a first surface 21 close to the object side and a second surface 22 close to the image side, both of the first surface 21 and the second surface 22 are convex. The second lens 3 has a third surface 31 close to the object side and a fourth surface 32 cl...

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Abstract

The invention discloses an optical lens component, comprising a diaphragm and a lens group; the lens group comprises a first lens, a second lens and a third lens which have the same axis and are sequentially arranged from the object to the image; the diaphragm is arranged in front of the first lens and close to the object; the first lens comprises a first surface close to the object and a second surface close to the image; the second lens comprises a third surface close to the object and a fourth surface close to the image; the third lens comprises a fifth surface close to the object and a sixth surface close to the image; the first surface, the second surface, the third surface, the fourth surface, the fifth surface and the sixth surface are non-spherical surfaces; the coordinate values of all points on the non-spherical surfaces meet the non-spherical formula. By adopting the non-spherical lens with specific parameters, the optical lens component of the invention has relatively short optical total length. The optical lens component of the invention can lead the image to achieve more than 3.80mm so as to adapt to imaging chips with high pixel such as 1.30 million pixels.

Description

technical field [0001] The invention relates to an optical device, in particular to an optical lens assembly. Background technique [0002] With the advancement of technology, the camera function of mobile phones is becoming more and more powerful, the image data processing speed of mobile phones is constantly accelerating, the picture editing functions are constantly enriched, and the imaging quality of mobile phone cameras is also steadily improving. The pixels of mobile phone cameras have gradually transitioned from the initial 300,000 to the current 1.3 million. However, keeping the mobile phone thin, light and small while achieving high pixels has brought great challenges to the design of optical lens components. Contents of the invention [0003] In order to overcome the above disadvantages, the present invention proposes an optical lens assembly with relatively short total optical length and capable of adapting to higher pixel imaging chips. [0004] Technical pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B9/12G02B1/04G02B13/18G02B13/00
Inventor 王庆平
Owner 深圳市合力泰光电有限公司
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