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Optical imaging system, image capturing device and electronic equipment

An optical imaging system and optical axis technology, applied in optics, optical components, instruments, etc., can solve the problems of inability to monitor the driver and low resolution

Pending Publication Date: 2021-05-28
JIANGXI JINGCHAO OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing camera devices that meet the requirements of vehicle miniaturization have low resolution and cannot monitor the state of the driver well. Infer from the information to determine whether the driver is driving fatigued, so as to give an early warning and improve driving safety

Method used

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

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0171] Please refer to Fig. 1-1 and Fig. 1-2, wherein Fig. 1-1 is a schematic structural diagram of the optical imaging system 100 of the first embodiment, and Fig. 1-2 is, from left to right, spherical aberration, Astigmatism and distortion curves. It can be seen from Fig. 1-1 that the optical imaging system 100 of this embodiment includes a first lens L1 with positive refractive power, a second lens L2 with negative refractive power, and a second lens L2 with positive refractive power from the object side to the image side. Three lenses L3 , a fourth lens L4 with negative refractive power, a fifth lens L5 with positive refractive power, a protective glass 70 and an imaging surface 80 . The first lens L1 constitutes the first lens group 10 . The second lens L2 and the third lens L3 constitute the second lens group 30 . The fourth lens L4 and the fifth lens L5 constitute the third lens group 50 . The optical imaging system 100 further includes an infrared transparent film (...

no. 2 example

[0187] Please refer to Figure 2-1 and Figure 2-2, wherein Figure 2-1 is a schematic structural diagram of the optical imaging system 100 of the second embodiment, and Figure 2-2 is from left to right the spherical aberration, Astigmatism and distortion curves. It can be seen from FIG. 2-1 that the optical imaging system 100 of this embodiment includes a first lens L1 with positive refractive power, a second lens L2 with negative refractive power, and a second lens L2 with positive refractive power from the object side to the image side. Three lenses L3 , a fourth lens L4 with negative refractive power, a fifth lens L5 with positive refractive power, a protective glass 70 and an imaging surface 80 . The first lens L1 constitutes the first lens group 10 . The second lens L2 and the third lens L3 constitute the second lens group 30 . The fourth lens L4 and the fifth lens L5 constitute the third lens group 50 . The optical imaging system 100 further includes an infrared transpa...

no. 3 example

[0202] Please refer to Fig. 3-1 and Fig. 3-2, wherein Fig. 3-1 is a schematic structural diagram of the optical imaging system 100 of the third embodiment, and Fig. 3-2 is, from left to right, spherical aberration, Astigmatism and distortion curves. It can be seen from FIG. 3-1 that the optical imaging system 100 of this embodiment includes a first lens L1 with positive refractive power, a second lens L2 with negative refractive power, and a second lens L2 with positive refractive power from the object side to the image side. Three lenses L3 , a fourth lens L4 with negative refractive power, a fifth lens L5 with positive refractive power, a protective glass 70 and an imaging surface 80 . The first lens L1 constitutes the first lens group 10 . The second lens L2 and the third lens L3 constitute the second lens group 30 . The fourth lens L4 and the fifth lens L5 constitute the third lens group 50 . The optical imaging system 100 further includes an infrared transparent film (...

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Abstract

An optical imaging system includes, in order from an object side to an image side, a first lens group having a positive refractive power; a second lens group having positive focal power; and a third lens group having negative focal power, wherein the first lens group comprises a first lens, the object side surface of the first lens is a convex surface, and the image side surface of the first lens is a convex surface or a plane; the second lens group comprises two lenses; the third lens group includes two lenses. The optical imaging system has the advantages of high pixel resolution and small size. In addition, the invention also provides an image capturing device and electronic equipment.

Description

technical field [0001] The invention relates to optical imaging technology, in particular to an optical imaging system, an imaging device and electronic equipment. Background technique [0002] With the popularity of automobiles, traffic accidents caused by factors such as fatigue driving occur frequently. With the rapid development of the vehicle industry, vehicle driving technologies such as ADAS (Advanced Driving Assistant System) and DMS (Driver Monitor System) are gradually becoming mature, and the development of these vehicle technologies is inseparable from camera technology. However, the existing camera devices that meet the requirements of vehicle miniaturization have low resolution and cannot monitor the state of the driver well. The information can be used to speculate and judge whether the driver is driving in fatigue, so as to provide early warning and improve driving safety. Contents of the invention [0003] In view of this, the present invention provides ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/00G02B13/18G02B13/14
CPCG02B13/0035G02B13/18G02B13/14
Inventor 蔡雄宇兰宾利周芮
Owner JIANGXI JINGCHAO OPTICAL CO LTD