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Optical lens group for imaging, imaging device and electronic device

An optical lens and imaging technology, applied in optics, optical components, instruments, etc.

Active Publication Date: 2019-10-01
LARGAN PRECISION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the traditional wide-angle lens is difficult to meet these strict requirements at the same time, so the market is eager to develop a wide-angle lens that can simultaneously meet the requirements of large viewing angle, large aperture, miniaturization, high resolution and resistance to environmental changes.

Method used

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  • Optical lens group for imaging, imaging device and electronic device
  • Optical lens group for imaging, imaging device and electronic device
  • Optical lens group for imaging, imaging device and electronic device

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0110] 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 imaging optical lens set (not another number) and an electronic photosensitive element 190 . The optical lens group for imaging includes a first lens 110, a second lens 120, a third lens 130, an aperture 100, a fourth lens 140, a fifth lens 150, an infrared filter element 160, The glass element 170 and the imaging surface 180 are protected, and the electronic photosensitive element 190 is disposed on the imaging surface 180 of the imaging optical lens set, wherein the imaging optical lens set has five lenses (110-150).

[0111] The first lens 110 has negative refractive power and is made of pla...

no. 2 example

[0144] 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 known that the image capturing device of the second embodiment includes an imaging optical lens set (not labeled separately) and an electronic photosensitive element 290 . The optical lens group for imaging includes a first lens 210, a second lens 220, a third lens 230, an aperture 200, a fourth lens 240, a fifth lens 250, an infrared filter element 260, The glass element 270 and the imaging surface 280 are protected, and the electronic photosensitive element 290 is disposed on the imaging surface 280 of the imaging optical lens set, wherein the imaging optical lens set has five lenses (210-250).

[0145] The first lens 210 has negative refractive power and is made ...

no. 3 example

[0160] Please refer to Figure 5 and Figure 6 ,in Figure 5 A schematic diagram showing an imaging device according to a third embodiment of the present invention, Figure 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 imaging optical lens set (not another number) and an electronic photosensitive element 390 . The optical lens group for imaging includes a first lens 310, a second lens 320, a third lens 330, a diaphragm 300, a fourth lens 340, a fifth lens 350, an infrared filter element 360, The glass element 370 and the imaging surface 380 are protected, and the electronic photosensitive element 390 is disposed on the imaging surface 380 of the imaging optical lens set, wherein the imaging optical lens set has five lenses (310-350).

[0161] The first lens 310 has negative refractive power and is made of pl...

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Abstract

The invention discloses an optical lens group for imaging, an image capturing device with the optical lens group and an electronic device with the image capturing device. The optical lens group for imaging successively comprises first to fifth lenses from the object side to the image side; the first lens includes a negative refractive power, and the image-side surface of the first lens is a concave surface; the object-side surface of the second lens is a concave surface, and the image-side surface of the second lens is a convex surface; the object-side surface of the third lens is a concave surface, and the image-side surface of the third lens is a convex surface; the fourth lens includes a positive refractive power, and the image-side surface of the fourth lens is a convex surface; and the fifth lens includes a negative refractive power, and the object-side surface of the fifth lens is a concave surface. A balance is made between the imaging quality and the sensitivity when a specific condition is satisified.

Description

technical field [0001] The present invention relates to an optical lens set for imaging and an image-taking device, and in particular to an optical lens set for wide-angle imaging and an image-taking device applied to an electronic device. Background technique [0002] In recent years, with the rise of electronic products with photographic functions, the demand for optical systems has increased day by day. The photosensitive element of the general optical system is nothing more than two types of photosensitive coupling device (Charge Coupled Device, CCD) or complementary metal oxide semiconductor device (Complementary Metal-Oxide Semiconductor Sensor, CMOS Sensor), and with the improvement of semiconductor process technology, The pixel size of the photosensitive element is reduced, and the optical system is gradually developing into the high-pixel field, so the requirements for imaging quality are also increasing. [0003] With the trend of wide-angle lenses becoming more a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B13/00G02B13/06
Inventor 许誌文陈纬彧
Owner LARGAN PRECISION
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