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Optical imaging system, image-taking device, and electronic device

An optical and image-side technology, applied in the field of optical photography systems and imaging devices, can solve the problems of too long total optical length, difficult optical system with large aperture and miniaturization at the same time

Active Publication Date: 2016-07-27
LARGAN PRECISION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the total optical length of an optical system with a large aperture is likely to be too long, making it difficult for the optical system to have the characteristics of large aperture and miniaturization at the same time

Method used

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  • Optical imaging system, image-taking device, and electronic device
  • Optical imaging system, image-taking device, and electronic device
  • Optical imaging system, image-taking device, and electronic device

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0125] Please refer to figure 1 and figure 2 ,in figure 1 A schematic diagram of an imaging device according to a first embodiment of the present invention is shown, 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 includes an optical photography system (not another number) and an electronic photosensitive element 190 . The optical photography system includes an aperture 100, a first lens 110, a second lens 120, a third lens 130, a fourth lens 140, a fifth lens 150, a sixth lens 160, an infrared filter Element (IR-cutFilter) 170 and imaging surface 180 . Wherein, the electronic photosensitive element 190 is disposed on the imaging surface 180 . The single non-bonded lens with refractive power in the optical photography system is six pieces (110-160). There is an air space between any two adjacent lenses among the first lens 110 , the se...

no. 2 example

[0164] Please refer to image 3 and Figure 4 ,in image 3 A schematic diagram of an imaging device according to a second embodiment of the present invention is shown, 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 includes an optical photography system (not another number) and an electronic photosensitive element 290 . The optical photography system includes first lens 210, aperture 200, second lens 220, third lens 230, fourth lens 240, fifth lens 250, sixth lens 260, infrared filter Element 270 and imaging surface 280 . Wherein, the electronic photosensitive element 290 is disposed on the imaging surface 280 . The single non-bonded lens with refractive power in the optical photography system is six pieces (210-260). There is an air space between any two adjacent lenses among the first lens 210 , the second lens 220 , the third lens ...

no. 3 example

[0179] Please refer to Figure 5 and Figure 6 ,in Figure 5 A schematic diagram of an imaging device according to a third embodiment of the present invention is shown, 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 includes an optical photography system (not otherwise labeled) and an electronic photosensitive element 390 . The optical photography system includes an aperture 300, a first lens 310, a second lens 320, a third lens 330, a fourth lens 340, a fifth lens 350, a sixth lens 360, an infrared filter Element 370 and imaging surface 380 . Wherein, the electronic photosensitive element 390 is disposed on the imaging surface 380 . The single non-bonding lens with refractive power in the optical photography system is six pieces (310-360). There is an air space between any two adjacent lenses among the first lens 310 , the second len...

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PUM

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Abstract

The present invention discloses an optical imaging system, an image-taking device, and an electronic device. The optical imaging system orderly comprises a first lens having refractive power, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens from an object side to an image side. The first lens has positive refractive power, and the object side surface of the first lens is a convex surface near an optical axis. The second lens has refractive power. The third lens has positive refractive power. The fourth lens has refractive power. The fifth lens has refractive power, the image side surface is a concave surface near the optical axis, and the object side surface and image side surface are aspheric surfaces. The sixth lens has refractive power, the image side surface is a concave surface near the optical axis, and the object side surface and the image side surface are aspheric surfaces. The first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens have no relative movement in the optical axis. The optical imaging system also comprises an aperture arranged between an imaged object and the third lens.

Description

technical field [0001] The invention relates to an optical photography system, an image pickup device and an electronic device, in particular to an optical photography system and an image pickup device suitable for the electronic device. Background technique [0002] In recent years, with the vigorous development of miniaturized photographic lenses, the demand for miniature imaging modules has increased day by day, and the photosensitive elements of general photographic lenses are nothing more than photocoupled devices (ChargeCoupledDevice, CCD) or complementary metal oxide semiconductor elements (ComplementaryMetal -OxideSemiconductorSensor, CMOSSensor) two types, and with the improvement of semiconductor process technology, the pixel size of the photosensitive element is reduced, coupled with the development trend of today's electronic products with good functions and thin, light and small appearance, so it has good image quality The miniaturized photographic lens has beco...

Claims

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Application Information

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IPC IPC(8): G02B13/18
Inventor 汤相岐廖凌峣陈纬彧
Owner LARGAN PRECISION
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