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Optical imaging system, image capturing module and electronic equipment

An optical imaging system and optical axis technology, applied in optics, optical components, sub-office equipment, etc., can solve problems such as poor photographing effect, poor imaging effect, and affecting user experience

Active Publication Date: 2021-06-18
JIANGXI JINGCHAO OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the imaging effect of existing telephoto lens mobile phones is poor, resulting in poor photographing effect and affecting user experience

Method used

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  • Optical imaging system, image capturing module and electronic equipment
  • Optical imaging system, image capturing module and electronic equipment
  • Optical imaging system, image capturing module and electronic equipment

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0121] refer to figure 1 with figure 2 , the optical imaging system of the first embodiment includes sequentially from the object side to the image side: a first lens 1 with positive refractive power, the object side S2 of the first lens 1 is at the low beam The axis is convex, the image side S3 of the first lens 1 is concave at the near optical axis; the second lens 2 with negative refractive power, the object side S4 of the second lens 2 is at the near optical axis Convex, the image side S5 of the second lens 2 is concave at the near optical axis; the third lens 3 with positive refractive power, the object side S6 of the third lens 3 is convex at the near optical axis, the The image side S7 of the third lens 3 is concave at the near optical axis; the fourth lens 4 with negative refractive power, the image side S9 of the fourth lens 4 is concave at the near optical axis, and the fourth lens The object side S8 of 4 is a convex surface at the near optical axis; the fifth len...

no. 2 example

[0133] refer to image 3 with Figure 4 The optical imaging system of the second embodiment includes sequentially from the object side to the image side: a first lens 1 with positive refractive power, the object side S2 of the first lens 1 is at the low beam The axis is convex, the image side S3 of the first lens 1 is concave at the near optical axis; the second lens 2 with negative refractive power, the object side S4 of the second lens 2 is at the near optical axis Convex, the image side S5 of the second lens 2 is concave at the near optical axis; the third lens 3 with positive refractive power, the object side S6 of the third lens 3 is convex at the near optical axis, the The image side S7 of the third lens 3 is concave at the near optical axis; the fourth lens 4 with negative refractive power, the object side S8 of the fourth lens 4 is convex at the near optical axis, and the fourth lens The image side S9 of 4 is concave at the near optical axis; the fifth lens 5 with ne...

no. 3 example

[0144] refer to Figure 5 with Image 6 , the optical imaging system of the third embodiment includes in turn from the object side to the image side: a first lens 1 with positive refractive power, the object side S2 of the first lens 1 is at the low beam The axis is convex, the image side S3 of the first lens 1 is concave at the near optical axis; the second lens 2 with negative refractive power, the object side S4 of the second lens 2 is at the near optical axis Convex, the image side S5 of the second lens 2 is concave at the near optical axis; the third lens 3 with positive refractive power, the object side S6 of the third lens 3 is convex at the near optical axis, the The image side S7 of the third lens 3 is concave at the near optical axis; the fourth lens 4 with negative refractive power, the object side S8 of the fourth lens 4 is convex at the near optical axis, and the fourth lens The image side S9 of 4 is concave at the near optical axis; the fifth lens 5 with negati...

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Abstract

The invention relates to the technical field of optical imaging, in particular to an optical imaging system, an image capturing module and electronic equipment. The system sequentially comprises a first lens with positive focal power, a second lens with negative focal power, a third lens with positive focal power, a fourth lens with focal power and a fifth lens with focal power from an object side to an image side, the object side surface of the fifth lens is a concave surface near an optical axis, and the image side surface of the fifth lens is a convex surface near the optical axis; a sixth lens has focal power, a seventh lens has negative focal power, and the image side surface of the seventh lens is a concave surface near the optical axis; an eighth lens has focal power, and the object side surface of the eighth lens is a convex surface near the optical axis; and a ninth lens has focal power, the object side surface of the ninth lens is a convex surface near the optical axis, and the image side surface of the ninth lens is a concave surface near the optical axis. According to the optical imaging system, the imaging effect of the optical imaging system can be improved.

Description

technical field [0001] The present application relates to the technical field of optical imaging, in particular to an optical imaging system, an imaging module and electronic equipment. Background technique [0002] With the expansion of Internet coverage and the development of Internet technology, the replacement cycle of mobile phones, the main terminal carrying Internet applications, is getting shorter and shorter, and the shooting functions of mobile phones are becoming more and more powerful. In addition to the continuous improvement of pixels, they can adapt to different There are more and more types of lenses in the shooting environment, and at the same time, the requirements for a single type of lens are becoming more and more stringent. The overall trend is that a mobile phone lens is developing into a professional camera lens. Among them, the telephoto lens can obtain a shallower depth of field because of its long focal length, so it can better process the details ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/00H04N5/225H04M1/02
CPCG02B13/0045H04M1/0264H04N23/55
Inventor 华露杨健李明
Owner JIANGXI JINGCHAO OPTICAL CO LTD
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