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Optical imaging lens

An optical imaging lens and lens technology, which is applied in the field of optical components to achieve the effect of improving image quality, better effect and improving appearance

Pending Publication Date: 2021-10-08
ZHEJIANG SUNNY OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

People expect that the TV distortion of the image captured by the wide-angle lens is small, but it is difficult to achieve it when the design freedom of the optical imaging lens is getting smaller and smaller

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Refer to the following Figure 1 to Figure 2 An optical imaging lens according to Embodiment 1 of the present application is described. figure 1 A schematic structural diagram of an optical imaging lens according to Embodiment 1 of the present application is shown.

[0069] Such as figure 1 As shown, the optical imaging lens includes sequentially from the object side to the image side along the optical axis: a stop STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens Lens E6 and filter E7.

[0070] The first lens E1 has positive refractive power, its object side S1 is convex, and its image side S2 is concave. The second lens E2 has negative refractive power, its object side S3 is convex, and its image side S4 is concave. The third lens E3 has positive refractive power, its object side S5 is convex, and its image side S6 is convex. The fourth lens E4 has negative refractive power, its object side S7 is concave, and...

Embodiment 2

[0088] Refer to the following Figure 3 to Figure 4 An optical imaging lens according to Embodiment 2 of the present application is described. In this embodiment and the following embodiments, for the sake of brevity, descriptions similar to those in Embodiment 1 will be omitted. image 3 A schematic structural diagram of an optical imaging lens according to Embodiment 2 of the present application is shown.

[0089] Such as image 3 As shown, the optical imaging lens includes sequentially from the object side to the image side along the optical axis: a stop STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens Lens E6 and filter E7.

[0090] The first lens E1 has positive refractive power, its object side S1 is convex, and its image side S2 is concave. The second lens E2 has negative refractive power, its object side S3 is concave, and its image side S4 is concave. The third lens E3 has positive refractive power, its obje...

Embodiment 3

[0102] Refer to the following Figure 5 to Figure 6 An optical imaging lens according to Embodiment 3 of the present application is described. Figure 5 A schematic structural diagram of an optical imaging lens according to Embodiment 3 of the present application is shown.

[0103] Such as Figure 5 As shown, the optical imaging lens includes sequentially from the object side to the image side along the optical axis: a stop STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens Lens E6 and filter E7.

[0104]The first lens E1 has positive refractive power, its object side S1 is convex, and its image side S2 is concave. The second lens E2 has negative refractive power, its object side S3 is convex, and its image side S4 is concave. The third lens E3 has positive refractive power, its object side S5 is concave, and its image side S6 is convex. The fourth lens E4 has negative refractive power, its object side S7 is concave, a...

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Abstract

The invention discloses an optical imaging lens, which sequentially comprises a first lens with positive focal power, a second lens with focal power, a third lens with focal power, a fourth lens with focal power, a fifth lens with focal power, and a sixth lens with focal power from an object side to an image side along the optical axis, wherein the object side surface of the fifth lens is a convex surface, the image side surface of the fifth lens is a convex surface, the object side surface of the sixth lens is a concave surface, and in the first lens to the sixth lens, at least one non-rotationally symmetrical aspheric surface is arranged from the object side surface of the first lens to the image side surface of the sixth lens, the center thickness CT1 of the first lens on the optical axis and the center thickness CT3 of the third lens on the optical axis meet the condition that CT3 / CT1 is larger than 0.3 and smaller than 0.5, and the total effective focal length f of the optical imaging lens, the effective focal length f3 of the third lens and the effective focal length f4 of the fourth lens meet the condition that f / (f3+f4) is larger than 0 and smaller than 0.6.

Description

technical field [0001] The present application relates to the field of optical elements, more specifically, to an optical imaging lens. Background technique [0002] In recent years, with the rapid development of electronic products such as mobile phones, the functions of camera modules on mobile phones have been continuously improved. For example, the widespread use of multi-camera modules has led to an increasing demand for optical imaging lenses. Moreover, consumers have higher and higher requirements on the performance of optical imaging lenses, such as resolution. [0003] For optical imaging lenses used in electronic products such as mobile phones, their size is relatively limited. This is because electronic products such as mobile phones are generally thin and miniaturization is constantly pursued. When the optical imaging lens pursues high imaging performance and short optical length at the same time, it makes the design of the optical imaging lens more and more d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/00G02B13/06G02B13/18G02B3/04
CPCG02B13/0045G02B13/06G02B13/18G02B3/04
Inventor 刘子维戴付建赵烈烽
Owner ZHEJIANG SUNNY OPTICAL CO LTD
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