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Lens system, imaging module and electronic device

A lens system and lens technology, applied in the field of optical imaging, can solve problems such as difficult long focal length or ultra-long focal length, and achieve the effects of improving imaging quality, correcting aberrations, and improving flexibility

Pending Publication Date: 2020-06-19
JIANGXI JINGCHAO OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to provide an improved lens system for the problem that traditional periscope lenses are difficult to achieve long focal length or ultra-long focal length in thin and light electronic products

Method used

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  • Lens system, imaging module and electronic device
  • Lens system, imaging module and electronic device
  • Lens system, imaging module and electronic device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0112] Refer to the following Figure 1 to Figure 4 The lens system 10 of Embodiment 1 of the present application will be described.

[0113] Such as Figure 1 to Figure 3 As shown, the lens system 10 sequentially includes a first right-angle prism P1, a first lens L1, a second lens L2, a third lens L3, a second right-angle prism P2, and a third right-angle prism from the object side to the image side along the folded optical axis. Prism P3 and imaging surface S18. The folded optical axis includes a first part AX1 , a second part AX2 , a third part AX3 and a fourth part AX4 , and the first lens L1 , the second lens L2 and the third lens L3 are located on the optical axis AX2 . further, figure 1 There is a Y-Z coordinate axis, figure 2 There are Y-X coordinate axes in it, wherein the optical axis AX1 is parallel to the X axis, the optical axis AX3 is parallel to the Y axis, and the optical axes AX2 and AX4 are parallel to the Z axis.

[0114] The first rectangular prism P...

Embodiment 2

[0140] Refer to the following Figure 5 to Figure 8 The lens system 10 of Embodiment 2 of the present application will be described. In this embodiment, for the sake of brevity, descriptions similar to those in Embodiment 1 will be omitted.

[0141] Such as Figure 5 to Figure 7 As shown, the lens system 10 sequentially includes a first right-angle prism P1, a first lens L1, a second lens L2, a third lens L3, a second right-angle prism P2, and a third right-angle prism from the object side to the image side along the optical axis. P3 and imaging surface S18. The folded optical axis includes a first part AX1 , a second part AX2 , a third part AX3 and a fourth part AX4 , and the first lens L1 , the second lens L2 and the third lens L3 are located on the optical axis AX2 .

[0142] The first rectangular prism P1 has a light incident surface S1 , a reflective surface S2 and a light output surface S3 .

[0143] The first lens L1 has a negative refractive power, and its object s...

Embodiment 3

[0157] Refer to the following Figure 9 to Figure 12 The lens system 10 of Embodiment 3 of the present application will be described. In this embodiment, for the sake of brevity, descriptions similar to those in Embodiment 1 will be omitted.

[0158] Such as Figure 9 to Figure 11 As shown, the lens system 10 sequentially includes a first right-angle prism P1, a first lens L1, a second lens L2, a third lens L3, a second right-angle prism P2, and a third right-angle prism from the object side to the image side along the optical axis. P3 and imaging surface S18. The folded optical axis includes a first part AX1 , a second part AX2 , a third part AX3 and a fourth part AX4 , and the first lens L1 , the second lens L2 and the third lens L3 are located on the optical axis AX2 .

[0159] The first rectangular prism P1 has a light incident surface S1 , a reflective surface S2 and a light output surface S3 .

[0160] The first lens L1 has a positive refractive power, and its object...

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Abstract

The invention relates to a lens system, an imaging module and an electronic device. The lens system includes a plurality of optical elements arranged along a folding optical axis thereof, including, in order from an object side to an image side, a first optical path folding element on a first portion of the folding optical axis for directing light from the first portion of the folding optical axisto a second portion of the folding optical axis; a lens group on the second portion of the folded optical axis; a second optical path folding element to direct light from a second portion of the folding optical axis to a third portion of the folding optical axis; a third optical path folding element to direct light from a third portion of the folding optical axis to a fourth portion of the folding optical axis; the second part, the third part and the fourth part of the folding optical axis are located in the same plane, and the plane is perpendicular to the first part of the folding optical axis. The lens system can be transversely arranged along the shell of the electronic product while realizing long focal length, so that the space of the electronic product is fully utilized, and the light and thin design requirements of the electronic product are met.

Description

technical field [0001] The invention relates to the technical field of optical imaging, in particular to a lens system, an imaging module and an electronic device. Background technique [0002] In recent years, with the development of science and technology, more and more periscope mobile phone lenses have been applied to portable electronic products. The periscope mobile phone lens has a prism part that can change the direction of the optical path, and when installed, the lens can be placed horizontally in the housing of the electronic product, thereby reducing the lateral length and overall height of the lens, thereby realizing the thinning and lightening of the mobile phone. [0003] However, under the development trend of thinner and lighter electronic products, it is still difficult for traditional periscope lenses to achieve long focal lengths or ultra-long focal lengths. Contents of the invention [0004] Based on this, it is necessary to provide an improved lens s...

Claims

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Application Information

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IPC IPC(8): G02B23/08G02B13/00G02B13/18
CPCG02B13/0065G02B13/18G02B23/08
Inventor 华露杨健李明邹海荣
Owner JIANGXI JINGCHAO OPTICAL CO LTD
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