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Optical Imaging Lens

An optical imaging lens and lens technology, applied in optics, optical components, image communication, etc., can solve the problems of limiting the total length of the lens and increasing the difficulty of lens design, and achieve the effect of low sensitivity and high imaging quality

Active Publication Date: 2020-04-17
ZHEJIANG SUNNY OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Portable electronic products tend to be miniaturized, which limits the overall length of the lens, thus increasing the difficulty of lens design

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0076] 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.

[0077] Such as figure 1 As shown, the optical imaging lens according to the exemplary embodiment of the present application includes sequentially along the optical axis from the object side to the image side: a stop STO, a first lens E1, a second lens E2, a third lens E3, and a fourth lens E4 , the fifth lens E5, the sixth lens E6, the filter E7 and the imaging surface S15.

[0078] 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 ...

Embodiment 2

[0107] 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.

[0108] Such as image 3As shown, the optical imaging lens according to the exemplary embodiment of the present application includes sequentially along the optical axis from the object side to the image side: a stop STO, a first lens E1, a second lens E2, a third lens E3, and a fourth lens E4 , the fifth lens E5, the sixth lens E6, the filter E7 and the imaging surface S15.

[0109] 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 con...

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 according to the exemplary embodiment of the present application includes sequentially along the optical axis from the object side to the image side: a stop STO, a first lens E1, a second lens E2, a third lens E3, and a fourth lens E4 , the fifth lens E5, the sixth lens E6, the filter E7 and the imaging surface S15.

[0123] 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 sid...

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Abstract

The present application discloses an optical imaging lens, which sequentially includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens along an optical axis from the object side to the image side. Among them, the first lens has positive refractive power, its object side is convex, and the image side is concave; the second lens has positive or negative refractive power, its object side is convex, and the image side is concave; the third lens has positive power or negative power; the fourth lens has positive or negative power, and its object side is concave; the fifth lens has positive power, its object side is concave, and the image side is convex; the sixth lens has Negative optical power, the object side is concave. Wherein, the total effective focal length f of the optical imaging lens and the curvature radius R12 of the image side of the sixth lens satisfy 0≤f / R12≤1.5.

Description

technical field [0001] The present application relates to an optical imaging lens, and more specifically, the present application relates to an optical imaging lens including six lenses. Background technique [0002] In recent years, the market demand for imaging lenses suitable for portable electronic products has gradually increased. Portable electronic products tend to be miniaturized, which limits the overall length of the lens, thus increasing 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 decreases. The high imaging quality and miniaturization of the supporting imaging lens also put forward higher requirements. Contents of the invention [0004] The present applica...

Claims

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Application Information

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IPC IPC(8): G02B13/18
CPCG02B13/0045G02B9/62G02B27/0025G02B27/64H04N23/55
Inventor 张凯元徐标宋博
Owner ZHEJIANG SUNNY OPTICAL CO LTD
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