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Optical Image Capturing System

An optical imaging system and imaging surface technology, applied in optics, optical components, instruments, etc., can solve problems such as inability to meet photography requirements

Inactive Publication Date: 2016-10-26
ABILITY OPTO ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Traditional optical systems mounted on portable devices mostly use five or six lens structures. However, due to the continuous improvement of pixels in portable devices and the demand for large apertures such as low-light and night shooting functions from end consumers, existing The advanced optical imaging system can no longer meet the higher-level photography requirements

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0204] Please refer to Figure 1A and Figure 1B ,in Figure 1A Representing a schematic diagram of an optical imaging system according to a first embodiment of the present invention, Figure 1B From left to right are the spherical aberration, astigmatism and optical distortion curves of the optical imaging system of the first embodiment. Figure 1C It is a TV distortion curve diagram of the optical imaging system of the first embodiment. Depend on Figure 1A It can be seen that the optical imaging system sequentially includes a first lens 110, an aperture 100, a second lens 120, a third lens 130, a fourth lens 140, a fifth lens 150, a sixth lens 160 and a seventh lens 170 from the object side to the image side. , an infrared filter 180 , an imaging surface 190 and an image sensing element 192 .

[0205] The first lens 110 has positive refractive power and is made of plastic material. The object side 112 is convex, and the image side 114 is concave, both of which are aspheri...

no. 2 example

[0263] Please refer to Figure 2A and Figure 2B ,in Figure 2A A schematic diagram showing an optical imaging system according to a second embodiment of the present invention, Figure 2B From left to right are the spherical aberration, astigmatism and optical distortion curves of the optical imaging system of the second embodiment. Figure 2C It is a TV distortion curve diagram of the optical imaging system of the second embodiment. Depend on Figure 2A It can be seen that the optical imaging system sequentially includes an aperture 200, a first lens 210, a second lens 220, a third lens 230, a fourth lens 240, a fifth lens 250, a sixth lens 260, and a seventh lens 270 from the object side to the image side. , an infrared filter 280 , an imaging surface 290 and an image sensing element 292 .

[0264] The first lens 210 has a positive refractive power and is made of plastic material. Its object side 212 is convex, its image side 214 is convex, and both are aspherical. The ...

no. 3 example

[0289] Please refer to Figure 3A and Figure 3B ,in Figure 3A A schematic diagram showing an optical imaging system according to a third embodiment of the present invention, Figure 3B From left to right are the spherical aberration, astigmatism and optical distortion curves of the optical imaging system of the third embodiment. Figure 3C is a TV distortion curve diagram of the optical imaging system of the third embodiment. Depend on Figure 3A It can be seen that the optical imaging system sequentially 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 and a seventh lens 370 from the object side to the image side. , an infrared filter 380 , an imaging surface 390 and an image sensing element 392 .

[0290] The first lens 310 has positive refractive power and is made of plastic material. The object side 312 is convex, and the image side 314 is concave, both of which are aspherical. The...

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Abstract

The present disclosure discloses an optical image capturing system. The optical image capturing system includes a first lens with refractive power, a second lens with refractive power, a third lens with refractive power, a fourth lens with refractive power, a fifth lens with refractive power, a sixth lens with refractive power and a seventh lens with refractive power sequentially arranged from an object side to an image side along the optical axis. At least one of the first through sixth lens has positive refractive power. The seventh lens may have negative refractive power and both image side and object side surfaces of the seventh lens are aspheric. The optical image capturing system can increase aperture value and improve the imagining quality for the application of compact cameras.

Description

technical field [0001] The invention relates to an optical imaging system group, and in particular to a miniaturized optical imaging system applied to electronic products. Background technique [0002] In recent years, with the rise of portable electronic products with photography functions, the demand for optical systems has increased day by day. The photosensitive element of a general optical system is nothing more than a photosensitive coupling device (Charge Coupled Device; CCD) or a complementary metal oxide semiconductor element (Complementary Metal-Oxide Semiconductor Sensor; CMOS Sensor). The pixel size of components is shrinking, and the optical system is gradually developing into the high-pixel field, so the requirements for image quality are also increasing. [0003] Traditional optical systems mounted on portable devices mostly use five-element or six-element lens structures. However, due to the continuous improvement of pixels in portable devices and the demand...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/00G02B13/18
CPCG02B13/0045G02B9/64G02B13/18
Inventor 唐乃元张永明
Owner ABILITY OPTO ELECTRONICS TECH
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