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Optical lens, camera module and electronic device

An optical lens and lens technology, applied in optics, optical components, instruments, etc., can solve problems such as reducing user experience, affecting imaging quality, and unfavorable user use, and expanding the system's field of view, improving quality, and improving imaging quality. Effect

Pending Publication Date: 2021-01-15
JIANGXI JINGCHAO OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the existing optical lens takes pictures and images, the distortion is relatively serious, which will affect the quality of the image, which is not conducive to the user's use and reduces the user's experience.

Method used

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  • Optical lens, camera module and electronic device
  • Optical lens, camera module and electronic device
  • Optical lens, camera module and electronic device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0121] see figure 1 , in the first embodiment, the first lens L1 has negative refractive power, the second lens L2 has negative refractive power, the third lens L3 has positive refractive power, the fourth lens L4 has negative refractive power, and the fifth lens L5 Having negative power, sixth lens L6 has positive power, and seventh lens L7 has negative power.

[0122] The object side S1 is concave near the optical axis, the object side S1 is convex near the circumference, and the image side S2 is concave. The object side S3 is convex, and the image side S4 is concave. The object side S5 is convex, and the image side S6 is convex. The object side S7 is concave, the image side S8 is concave near the optical axis, and the image side S8 is convex near the circumference. The object side S9 is convex, and the image side S10 is concave. The object side S11 is convex near the optical axis, the object side S11 is concave near the circumference, and the image side S12 is convex. ...

Embodiment 2

[0137] see image 3, in the second embodiment, the first lens L1 has a negative refractive power, the second lens L2 has a positive refractive power, the third lens L3 has a positive refractive power, the fourth lens L4 has a negative refractive power, and the fifth lens L5 has a With negative refractive power, the sixth lens L6 has positive refractive power, and the seventh lens L7 has negative refractive power.

[0138] The object side S1 is concave near the optical axis, the object side S1 is convex near the circumference, and the image side S2 is concave. The object side S3 is convex, and the image side S4 is concave. The object side S5 is convex, and the image side S6 is convex. The object side S7 is concave, the image side S8 is concave near the optical axis, and the image side S8 is convex near the circumference. The object side S9 is convex, and the image side S10 is concave. The object side S11 is convex near the optical axis, the object side S11 is concave near t...

Embodiment 3

[0152] see Figure 5 , in the third embodiment, the first lens L1 has negative refractive power, the second lens L2 has positive refractive power, the third lens L3 has positive refractive power, the fourth lens L4 has negative refractive power, and the fifth lens L5 has With negative refractive power, the sixth lens L6 has positive refractive power, and the seventh lens L7 has negative refractive power.

[0153] The object side S1 is convex, and the image side S2 is concave. The object side S3 is convex, and the image side S4 is concave. The object side S5 is convex, and the image side S6 is convex. The object side S7 is convex near the optical axis, the object side S7 is concave near the circumference, and the image side S8 is concave. The object side S9 is convex, the image side S10 is concave near the optical axis, and the image side S10 is convex near the circumference. The object side S11 is convex near the optical axis, the object side S11 is concave near the circum...

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Abstract

The invention discloses an optical lens, a camera module and an electronic device. The optical lens sequentially comprises a first lens with negative focal power, a second lens with negative focal power, a third lens with positive focal power, a fourth lens with negative focal power, a fifth lens with negative focal power, a sixth lens with positive focal power and a seventh lens with negative focal power from an object side to an image side. The optical lens satisfies the following relational expressions: -5 < f2 / f1 < 15, the maximum optical distortion is less than or equal to 10%, f1 is thefocal length of the first lens, and f2 is the focal length of the second lens. According to the optical lens, the ratio of the focal length of the second lens to the focal length of the first lens isbetween -5 and 15, so that the focal power of the lens can be reasonably distributed, the shape of the lens can be reasonably configured, the field angle of a system can be enlarged, the imaging quality can be improved, the distortion can be reduced, and the use of a user can be facilitated.

Description

technical field [0001] The invention relates to optical imaging technology, in particular to an optical lens, a camera module and an electronic device. Background technique [0002] With the rapid development of science and technology, photographic imaging technology is also constantly developing. The optical lens in the related technology includes multiple lenses. The setting of multiple lenses can better reduce phase difference and chromatic aberration, thereby improving imaging quality and making the forming effect Better, improve user experience. However, when the existing optical lens takes pictures and images, the distortion is relatively serious, which will affect the quality of the image, which is not conducive to the use of the user and reduces the experience of the user. Contents of the invention [0003] In view of this, embodiments of the present invention provide an optical lens, a camera module, and an electronic device. [0004] In the optical lens accordi...

Claims

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Application Information

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IPC IPC(8): G02B13/00G02B13/18
CPCG02B13/0045
Inventor 邹金华李明
Owner JIANGXI JINGCHAO OPTICAL CO LTD