Wide-angle lens, camera module and electronic device

A wide-angle lens and lens technology, applied in the field of optical imaging, can solve the problems of large size and difficult to achieve miniaturization, and achieve the effect of high imaging quality, product yield improvement, and imaging quality improvement.

Active Publication Date: 2020-06-02
NANCHANG O FILM OPTICAL ELECTRONICS TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, wide-angle lenses are generally bulky for larger field of view and higher imaging quality, and it is difficult to achieve miniaturization

Method used

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  • Wide-angle lens, camera module and electronic device
  • Wide-angle lens, camera module and electronic device
  • Wide-angle lens, camera module and electronic device

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0058] see Figure 1 to Figure 5 , from the object side to the image side, the wide-angle lens 10 of the first embodiment sequentially includes a first lens L1, a second lens L2, a stop STO, a third lens L3, a fourth lens L4, a fifth lens L5, and a sixth lens L6 and infrared filter L7.

[0059] The first lens L1 has negative refractive power, the object side S1 is concave, the image side S2 is concave, and both the object side S1 and the image side S2 are aspherical. The second lens L2 has positive refractive power, the object side S3 is convex, the image side S4 is convex, and both the object side S3 and the image side S4 are aspherical. The third lens L3 has a positive refractive power, the object side S5 and the image side S6 are both convex, and the object side S5 and the image side S6 are both aspherical. The fourth lens L4 has negative refractive power, the object side S7 is convex, the image side S8 is concave, and both the object side S7 and the image side S8 are asp...

no. 2 example

[0071] see Figure 6 to Figure 10 , from the object side to the image side, the wide-angle lens 10 of the second embodiment sequentially includes a first lens L1, a second lens L2, a stop STO, a third lens L3, a fourth lens L4, a fifth lens L5, and a sixth lens L6 and infrared filter L7.

[0072] The first lens L1 has negative refractive power, the object side S1 is concave, the image side S2 is concave, and both the object side S1 and the image side S2 are aspherical. The second lens L2 has positive refractive power, the object side S3 is convex, the image side S4 is convex, and both the object side S3 and the image side S4 are aspherical. The third lens L3 has a positive refractive power, the object side S5 and the image side S6 are both convex, and the object side S5 and the image side S6 are both aspherical. The fourth lens L4 has negative refractive power, the object side S7 is convex, the image side S8 is concave, and both the object side S7 and the image side S8 are a...

no. 3 example

[0082] see Figure 11 to Figure 15, from the object side to the image side, the wide-angle lens 10 of the second embodiment sequentially includes a first lens L1, a second lens L2, a stop STO, a third lens L3, a fourth lens L4, a fifth lens L5, and a sixth lens L6 and infrared filter L7.

[0083] The first lens L1 has negative refractive power, the object side S1 is concave, the image side S2 is concave, and both the object side S1 and the image side S2 are aspherical. The second lens L2 has positive refractive power, the object side S3 is convex, the image side S4 is convex, and both the object side S3 and the image side S4 are aspherical. The third lens L3 has a positive refractive power, the object side S5 and the image side S6 are both convex, and the object side S5 and the image side S6 are both aspherical. The fourth lens L4 has negative refractive power, the object side S7 is convex, the image side S8 is concave, and both the object side S7 and the image side S8 are a...

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Abstract

The invention discloses a wide-angle lens, a camera module and an electronic device. The wide-angle lens sequentially comprises a first lens with negative refractive power, a second lens with positiverefractive power, a third lens with positive refractive power, a fourth lens with negative refractive power, a fifth lens with positive refractive power and a sixth lens with negative refractive power from an object side to an image side. The object side surface and the image side surface of the first lens are concave surfaces. The object side surface and the image side surface of the third lensare convex surfaces. And the fourth lens is a meniscus lens of which the object side surface is a convex surface. The sixth lens is a meniscus lens with a convex object side surface, and at least onesurface of the sixth lens comprises at least one inflection point. According to the wide-angle lens provided by the embodiment of the invention, through reasonable lens configuration, on the premise of ensuring a relatively large field angle and relatively high imaging quality, ultra-thinning of the wide-angle lens can be realized, and miniaturization of the wide-angle lens is facilitated.

Description

technical field [0001] The invention relates to optical imaging technology, in particular to a wide-angle lens, a camera module and an electronic device. Background technique [0002] At present, wide-angle lenses are generally bulky for a larger field of view and higher imaging quality, and it is difficult to achieve miniaturization. Contents of the invention [0003] Embodiments of the present invention provide a wide-angle lens, a camera module, and an electronic device. [0004] The wide-angle lens according to the embodiment of the present invention sequentially includes a first lens with negative refractive power, a second lens with positive refractive power, a third lens with positive refractive power, and a lens with negative refractive power along the optical axis from the object side to the image side. The fourth lens, the fifth lens with positive refractive power, and the sixth lens with negative refractive power. Both the object side and the image side of the...

Claims

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Application Information

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IPC IPC(8): G02B13/00G02B13/06G02B13/18
CPCG02B13/0045G02B13/0055G02B13/06G02B13/18G02B9/62G02B13/04G02B5/281G03B9/02G02B1/041G03B30/00
Inventor 张东赫朴成在权五镇金柄局张珍成
Owner NANCHANG O FILM OPTICAL ELECTRONICS TECH CO LTD
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