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Optical imaging lens and electronic device using the lens

An optical imaging lens and lens technology, applied in optics, optical components, instruments, etc., can solve problems such as difficulty in conforming to miniaturization design trends, long overall length, etc., achieve good optical performance, shorten overall length, and expand half field of view corner effect

Active Publication Date: 2017-02-01
GENIUS ELECTRONICS OPTICAL XIAMEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] No. US7830620 patent discloses a six-piece optical imaging lens, the refractive index of the first lens is negative, the refractive index of the second lens is positive, and the aperture is placed between the second lens and the third lens. This design tends to cause the overall length to be too long, which is difficult to meet the design trend of miniaturization

Method used

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  • Optical imaging lens and electronic device using the lens
  • Optical imaging lens and electronic device using the lens
  • Optical imaging lens and electronic device using the lens

Examples

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no. 1 example

[0118] see figure 1 , illustrating the first embodiment of the optical imaging lens 1 of the present invention. For the longitudinal spherical aberration (longitudinal spherical aberration) on the imaging surface 71 of the first embodiment, please refer to Figure 2A , astigmatic field aberration in the sagittal direction, please refer to Figure 2B、Astigmatism aberration in the meridional direction (tangential) please refer to Figure 2C , and distortion aberration, please refer to Figure 2D . The Y-axis of each spherical aberration diagram in all embodiments represents the field of view, and its highest point is 1.0. In this embodiment, the Y-axis of each astigmatism diagram and distortion diagram represents the image height, and the system image height is 2.970 mm.

[0119] The optical imaging lens system 1 of the first embodiment is mainly composed of six lenses made of plastic and having refractive power, a filter 72 , an aperture 80 , and an imaging surface 71 . Th...

no. 2 example

[0138] see image 3 , illustrating the second embodiment of the optical imaging lens 1 of the present invention. For the longitudinal spherical aberration on the imaging surface 71 of the second embodiment, please refer to Figure 4A , Astigmatic aberration in the sagittal direction, please refer to Figure 4B 、Astigmatic aberration in the meridional direction, please refer to Figure 4C , Distortion aberration, please refer to Figure 4D . The concavo-convex shape of each lens surface in the second embodiment is substantially similar to the first embodiment, the difference lies in the parameters of the lens, such as the radius of curvature, the refractive index of the lens, the radius of curvature of the lens, the thickness of the lens, the aspheric coefficient of the lens or Back focus etc. are different. The detailed optical data of the second embodiment is as Figure 18 As shown, the aspheric data such as Figure 19 shown. The length of the optical imaging lens is ...

no. 3 example

[0141] see Figure 5 , illustrating the third embodiment of the optical imaging lens 1 of the present invention. For the longitudinal spherical aberration on the imaging surface 71 of the third embodiment, please refer to Figure 6A , Astigmatic aberration in the sagittal direction, please refer to Figure 6B 、Astigmatic aberration in the meridional direction, please refer to Figure 6C , Distortion aberration, please refer to Figure 6D . The concave-convex shape of each lens surface in the third embodiment is substantially similar to the first embodiment, the difference lies in the parameters of the lens, such as the radius of curvature, the refractive power of the lens, the radius of curvature of the lens, the thickness of the lens, the aspheric coefficient of the lens or Back focus etc. are different. The detailed optical data of the third embodiment are as Figure 20 As shown, the aspheric data such as Figure 21 As shown, the length of the optical imaging lens is ...

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Abstract

The invention relates to an optical imaging lens and an electronic device using the lens. The optical imaging lens includes six lenses, wherein the first lens has a positive refractive power, and the object side has a convex portion located in the vicinity of the optical axis and a circumferential The convex portion in the vicinity area; the second lens has a negative refractive power, and the object side has a convex portion in the vicinity of the circumference; the image side of the third lens has a convex portion in the vicinity of the optical axis; the first The image side of the four lenses has a convex portion located in the vicinity of the optical axis; the object side of the fifth lens has a convex portion located in the vicinity of the optical axis; the image side of the sixth lens has a convex portion located in the vicinity of the optical axis. concave face. The electronic device of the present invention includes a casing, an image module, and the image module includes the above-mentioned optical imaging lens, and also includes a lens barrel, a module rear seat unit, a substrate, and an image sensor. The invention can reduce the system length of the optical lens.

Description

technical field [0001] The present invention generally relates to an optical imaging lens and an electronic device including the optical imaging lens. Specifically, the present invention particularly refers to an optical imaging lens with a shorter lens length, and an electronic device using the optical imaging lens. Background technique [0002] In recent years, the thinning of mobile phones has become a design trend, and this trend has affected the development of related optical imaging lenses; how to effectively reduce the system length of optical lenses while maintaining sufficient optical performance has always been an industry effort. The research and development direction. [0003] No. US7830620 patent discloses a six-piece optical imaging lens, the refractive index of the first lens is negative, the refractive index of the second lens is positive, and the aperture is placed between the second lens and the third lens. This kind of design easily leads to the overall ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B13/18G02B13/06G02B13/00
Inventor 许圣伟唐子健
Owner GENIUS ELECTRONICS OPTICAL XIAMEN
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