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Optical camera system, image pickup device and electronic device

A camera system, optical technology, applied in optics, optical components, instruments, etc., can solve the problems of lens shape change, strong refractive power, etc.

Active Publication Date: 2016-08-10
LARGAN PRECISION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although five-element optical systems have been developed, traditional five-element optical systems are difficult to have the characteristics of wide viewing angle and miniaturization at the same time, and often have the problem that the shape of a single lens changes too much due to too strong refractive power.

Method used

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  • Optical camera system, image pickup device and electronic device
  • Optical camera system, image pickup device and electronic device
  • Optical camera system, image pickup device and electronic device

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0114] 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 camera system (not another number) and an electronic photosensitive element 180 . The optical imaging system includes a first lens 110, an aperture 100, a second lens 120, a third lens 130, a fourth lens 140, a fifth lens 150, and an infrared filter element (IR-cut) from the object side to the image side. Filter) 160 and imaging surface 170. Wherein, the electronic photosensitive element 180 is disposed on the imaging surface 170 . There are five lenses (110-150) with refractive power in the optical camera system.

[0115] The first lens 110 has negative refractive power and is made of plastic material. Th...

no. 2 example

[0149] 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 camera system (not another number) and an electronic photosensitive element 280 . The optical camera system includes a first lens 210, an aperture 200, a second lens 220, a third lens 230, a fourth lens 240, a fifth lens 250, an infrared filter element 260 and an imaging surface from the object side to the image side in sequence. 270. Wherein, the electronic photosensitive element 280 is disposed on the imaging surface 270 . There are five lenses (210-250) with refractive power in the optical camera system.

[0150] The first lens 210 has positive refractive power and is made of plastic material. The obj...

no. 3 example

[0163] Please refer to Figure 5 and Image 6 ,in Figure 5 A schematic diagram of an imaging device according to a third embodiment of the present invention is shown, 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 includes an optical camera system (not another number) and an electronic photosensitive element 380 . The optical camera system includes a first lens 310, an aperture 300, a second lens 320, a third lens 330, a fourth lens 340, a fifth lens 350, an infrared filter element 360, and an imaging surface from the object side to the image side. 370. Wherein, the electronic photosensitive element 380 is disposed on the imaging surface 370 . There are five lenses (310-350) with refractive power in the optical camera system.

[0164] The first lens 310 has positive refractive power and is made of plastic material. The object-side sur...

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Abstract

The invention discloses an optical camera system, an image pickup device and an electronic device. The optical camera system sequentially comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens with refraction power from an object side to an image side. The first lens has refraction power, and the object-side surface is convex near the optical axis. The second lens has positive refraction power, the image-side surface is convex near the optical axis, and the second lens contains at least one aspheric surface. The third lens has negative refraction power, the object-side surface is concave near the optical axis, and the third lens contains at least one aspheric surface. The fourth lens has positive refraction power, the object-side surface is concave near the optical axis, the image-side surface is convex near the optical axis, and the fourth lens contains at least one aspheric surface. The fifth lens has negative refraction power, the image-side surface is concave near the optical axis, the image-side surface has at least one convex surface away from the optical axis, and the fifth lens has two aspheric surfaces. The invention further discloses an image pickup device comprising the optical camera system, and an electronic device comprising the image pickup device.

Description

technical field [0001] The invention relates to an optical camera system, an image pickup device and an electronic device, in particular to an optical camera 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 been increasing day by day, and the photosensitive elements of general photographic lenses are nothing more than charge coupled devices (CCD) or complementary metal oxide semiconductor elements. (Complementary Metal-Oxide Semiconductor Sensor, CMOS Sensor) two types, and with the improvement of semiconductor process technology, the pixel size of the photosensitive element is reduced, and today's electronic products are developing with good functions and thin, light and small appearance. Therefore, , Miniaturized photographic lenses with good imaging quality have become the mainstream in the curr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/18G02B13/06G02B13/00
Inventor 廖凌峣陈纬彧
Owner LARGAN PRECISION
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