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optical imaging 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

Active Publication Date: 2019-03-01
ABILITY OPTO ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Traditional optical systems mounted on portable devices mostly use four-element or five-element 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

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no. 1 example

[0207] Please refer to Figure 1A and Figure 1B ,among them Figure 1A Shows a schematic diagram of an optical imaging system according to the 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 the transverse aberration diagram of the meridian surface light fan and the sagittal surface light fan of the optical imaging system of the first embodiment, the longest working wavelength and the shortest working wavelength pass through the edge of the aperture at the 0.7 field of view. by Figure 1A It can be seen that, from the object side to the image side, the optical imaging system 10 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 an infrared filter. Sheet 180, imaging surface 190, and image sensing element 192.

[0208] The first l...

no. 2 example

[0275] Please refer to Figure 2A and Figure 2B ,among them Figure 2A Shows a schematic diagram of an optical imaging system according to the second embodiment of the present invention, Figure 2B From left to right, the spherical aberration, astigmatism and optical distortion curves of the optical imaging system of the second embodiment are shown in sequence. Figure 2C This is a lateral aberration diagram of the optical imaging system of the second embodiment at a field of view of 0.7. by Figure 2A It can be seen that the optical imaging system 20 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 an infrared filter in sequence from the object side to the image side. Sheet 280, imaging surface 290, and image sensing element 292.

[0276] The first lens 210 has positive refractive power and is made of plastic material. Its object side surface 212 is convex, and its image side surface 214 i...

no. 3 example

[0300] Please refer to Figure 3A and Figure 3B ,among them Figure 3A Shows a schematic diagram of an optical imaging system according to the third embodiment of the present invention, Figure 3B From left to right are graphs of spherical aberration, astigmatism and optical distortion of the optical imaging system of the third embodiment. Figure 3C This is a lateral aberration diagram of the optical imaging system of the third embodiment at a field of view of 0.7. by Figure 3A It can be seen that the optical imaging system 30 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 an infrared filter in order from the object side to the image side. Sheet 380, imaging surface 390, and image sensing element 392.

[0301] The first lens 310 has positive refractive power and is made of plastic material. Its object side surface 312 is a convex surface, and its image side surface 314 is a convex surfa...

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Abstract

A six-piece optical lens for capturing image and a six-piece optical module for capturing image are provided. In order from an object side to an image side, the optical lens along the optical axis 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 and a sixth lens with refractive power. At least one of the image-side surface and object-side surface of each of the six lens elements is aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

Description

Technical field [0001] The invention relates to an optical imaging system, 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. The photosensitive elements of general optical systems are nothing more than photosensitive coupled devices (Charge Coupled Device; CCD) or Complementary Metal-Oxide Semiconductor Sensor (CMOS Sensor), and with the advancement of semiconductor manufacturing technology, As the pixel size of the photosensitive element is reduced, the optical system gradually develops into the field of high pixels, so the requirements for image quality are also increasing. [0003] Traditional optical systems mounted on portable devices mostly use four or five-element lens structures. However, due to the continuous improvement of pixels in portable devices and the needs of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B13/00G02B13/18
CPCG02B9/62G02B5/208G02B7/09G02B13/0045G02B27/0025
Inventor 唐乃元张永明
Owner ABILITY OPTO ELECTRONICS TECH
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