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Optical imaging lens

An optical imaging lens and lens technology, which is applied in optics, optical components, instruments, etc., can solve the problem of a large amount of light passing through the optical imaging lens, achieve high imaging quality, and enhance the imaging effect

Active Publication Date: 2017-11-21
ZHEJIANG SUNNY OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, image sensors and environmental backgrounds have certain system noise, which requires a greater amount of light passing through the optical imaging lens

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] Refer to the following Figure 1 to Figure 2D 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.

[0074] Such as figure 1 As shown, the optical imaging lens sequentially includes a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, and a sixth lens along the optical axis from the object side to the imaging side. Seven lenses E7 and imaging surface S15.

[0075] The first lens E1 has positive refractive power, the object side S1 is convex, the image side S2 is concave, and the object side S1 and the image side S2 of the first lens E1 are both aspherical.

[0076] The second lens E2 has a negative refractive power, its object side S3 is convex, its image side S4 is concave, and both the object side S3 and the image side S4 of the second lens E2 are as...

Embodiment 2

[0101] Refer to the following Figure 3 to Figure 4D 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.

[0102] Such as image 3 As shown, the optical imaging lens sequentially includes a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, and a sixth lens along the optical axis from the object side to the imaging side. Seven lenses E7 and imaging surface S15.

[0103] The first lens E1 has positive refractive power, the object side S1 is convex, the image side S2 is concave, and the object side S1 and the image side S2 of the first lens E1 are both aspherical.

[0104] The second lens E2 has a negative refractive power,...

Embodiment 3

[0121] Refer to the following Figure 5 to Figure 6D 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.

[0122] Such as Figure 5 As shown, the optical imaging lens sequentially includes a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, and a sixth lens along the optical axis from the object side to the imaging side. Seven lenses E7 and imaging surface S15.

[0123] The first lens E1 has positive refractive power, the object side S1 is convex, the image side S2 is concave, and the object side S1 and the image side S2 of the first lens E1 are both aspherical.

[0124] The second lens E2 has a negative refractive power, its object side S3 is convex, its image side S4 is concave, and both the object side S3 and the image side S4 of the second lens E2 are ...

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Abstract

The application discloses an optical imaging lens, comprising a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens sequentially from the object side to the image side along an optical axis. The first lens has positive focal power, the object side of the first lens is a convex face, and the image side thereof is a concave face. The second lens has negative focal power, the object side of the second lens is a convex face, and the image side thereof is a concave face. The third lens has positive or negative focal power. The fourth lens has positive or negative focal power, and the object side of the fourth lens is a concave face. The fifth lens has positive or negative focal power. The sixth lens has positive or negative focal power. The seventh lens has negative focal power, the object side of the seventh lens is a concave face, and the image side thereof is a concave face. Total effective focal length f of the optical imaging lens and EPD (entrance pupil diameter) thereof meets f / EPD< / =1.70.

Description

technical field [0001] The present application relates to an optical imaging lens, and more specifically, the present application relates to an ultra-thin large-aperture lens including seven lenses. Background technique [0002] With the development of science and technology, portable electronic products gradually rise, and the portable electronic products with camera function are more favored by people, so the market demand for camera lenses suitable for portable electronic products is gradually increasing. As portable electronic products tend to be miniaturized, the total length of the lens is limited, which increases the difficulty of lens design. [0003] At the same time, with the improvement of the performance and the reduction of the size of common photosensitive elements such as photosensitive coupling device (CCD) or complementary metal oxide semiconductor element (CMOS), the number of pixels of the photosensitive element increases and the size of the pixel decrease...

Claims

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Application Information

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IPC IPC(8): G02B13/00
Inventor 宋博闻人建科张凯元胡亚斌
Owner ZHEJIANG SUNNY OPTICAL CO LTD
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