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Optical lens set for image capturing, image capturing device and electronic device

An optical lens and optical technology, applied in optics, optical components, instruments, etc., can solve problems such as insufficient resolution and the inability of optical lenses to be used in environments with weak light intensity.

Active Publication Date: 2019-06-18
LARGAN PRECISION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is known that most of the optical lenses currently on the market cannot be used in environments with weak light due to their small apertures, or the resolution is not enough under the configuration of large apertures, etc.

Method used

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  • Optical lens set for image capturing, image capturing device and electronic device
  • Optical lens set for image capturing, image capturing device and electronic device
  • Optical lens set for image capturing, image capturing device and electronic device

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0122] Please refer to figure 1 and figure 2 ,in figure 1 A schematic diagram showing an imaging device according to the first embodiment of the present invention, figure 2 From left to right are the spherical aberration, astigmatism and distortion curves of the first embodiment. Depend on figure 1 It can be seen that the image capturing device of the first embodiment includes an image capturing optical lens set (not otherwise labeled) and an electronic photosensitive element 180 . The optical lens group for taking images includes a first lens 110, a second lens 120, a third lens 130, a diaphragm 100, a fourth lens 140, a fifth lens 150, and an infrared filter element 160 from the object side to the image side. And the imaging surface 170, and the electronic photosensitive element 180 is arranged on the imaging surface 170 of the optical lens group for image taking, wherein the number of lenses in the optical lens group for image taking is five (110-150).

[0123] The f...

no. 2 example

[0153] Please refer to image 3 and Figure 4 ,in image 3 A schematic diagram showing an imaging device according to a second embodiment of the present invention, Figure 4 From left to right are the spherical aberration, astigmatism and distortion curves of the second embodiment. Depend on image 3 It can be seen that the image capturing device of the second embodiment includes an image capturing optical lens set (not another number) and an electronic photosensitive element 280 . The optical lens group for taking images includes a first lens 210, a second lens 220, a third lens 230, a diaphragm 200, a fourth lens 240, a fifth lens 250, and an infrared filter element 260 from the object side to the image side. And the imaging surface 270, and the electronic photosensitive element 280 is arranged on the imaging surface 270 of the optical lens group for image taking, wherein the number of lenses in the optical lens group for image taking is five (210-250).

[0154] The fir...

no. 3 example

[0170] Please refer to Figure 5 and Image 6 ,in Figure 5 A schematic diagram showing an imaging device according to a third embodiment of the present invention, Image 6 From left to right are the spherical aberration, astigmatism and distortion curves of the third embodiment. Depend on Figure 5 It can be seen that the image capturing device of the third embodiment includes an image capturing optical lens set (not otherwise labeled) and an electronic photosensitive element 380 . The optical lens group for taking images includes a first lens 310, a second lens 320, a third lens 330, a diaphragm 300, a fourth lens 340, a fifth lens 350, and an infrared filter element 360 from the object side to the image side. And the imaging surface 370, and the electronic photosensitive element 380 is arranged on the imaging surface 370 of the optical lens group for image taking, wherein the number of lenses in the optical lens group for image taking is five (310-350).

[0171] The fi...

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PUM

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Abstract

The invention discloses an image-taking optical lens group, an image-taking device and an electronic device. The image-taking optical lens group sequentially includes a first lens, a second lens, a third lens, a fourth lens and a fifth lens from the object side to the image side. The first lens has negative refractive power, and its image-side surface is concave. The image-side surface of the third lens is convex. The fourth lens has positive refractive power. The object-side surface of the fifth lens is concave, and there are five lenses in the image-taking optical lens group. When specific conditions are met, the configuration of refractive power between lenses can be balanced to effectively improve the ability of aberration correction. The invention also discloses an image pickup device with the above-mentioned optical lens group for image pickup and an electronic device with the image pickup device.

Description

technical field [0001] The present invention relates to an optical lens group for image capturing and an image capturing device, and in particular to an optical lens group for image capturing with a wide viewing angle and an image capturing device applied to electronic devices. Background technique [0002] In recent years, with the gradual popularization of lens types and uses, many products (such as home appliances, game consoles, monitors, automobiles, electronic products and mobile devices, etc.) are equipped with lenses, which are suitable for image assistance, image recognition, Motion detection and other functions. Some devices often have to operate in an environment with a low light source or low light intensity (such as an infrared device that detects the position of the human body). Correspondingly, the optical lens of the matching device must also have sufficient light input. It is known that most of the optical lenses used in products currently on the market can...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B13/00G02B13/18G02B13/06
CPCG02B13/0045G02B13/06G02B13/18
Inventor 谢东益陈纬彧
Owner LARGAN PRECISION
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