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Optical imaging lens and electronic device utilizing same

An optical imaging lens and lens technology, applied in the directions of optics, optical components, installation, etc., can solve problems such as difficulty in conformity, and achieve the effects of widening the half angle of view, high resolution, and low manufacturing cost

Active Publication Date: 2014-08-06
GENIUS ELECTRONICS OPTICAL XIAMEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] U.S. Patents US8385006 and US8390940 both disclose an optical lens composed of six lenses, but the half field angle of these designs is only about 30-38 degrees, which is obviously difficult to meet the above requirements

Method used

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  • Optical imaging lens and electronic device utilizing same
  • Optical imaging lens and electronic device utilizing same
  • Optical imaging lens and electronic device utilizing same

Examples

Experimental program
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Effect test

no. 1 example

[0158] 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 meridian direction (tangential) please refer to Figure 2C , and distortion aberration (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. The Y-axis of each astigmatism diagram and distortion diagram in this embodiment represents the image height, and the system image height is 2.754mm.

[0159] The optical imaging lens system 1 of the first embodiment mainly consists of five lenses (other lenses except the fourth lens 40 ) which are made of plastic material and have a...

no. 2 example

[0192] 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 20 As shown, the aspheric data such as Figure 21 shown. The length of the optical imaging lens is ...

no. 3 example

[0210] 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 22 As shown, the aspheric data such as Figure 23 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 utilizing the same. The optical imaging lens comprises six lenses. An image side of the first lens is provided with a concave surface portion in the vicinity of the circumference, an object side of the second lens is provided with a convex surface portion in the vicinity of the circumference, an image side of the third lens is provided with a convex surface portion in the vicinity of the circumference, the fourth lens is provided with positive refractive rate, an object side of the fifth lens is provided with a concave surface portion in the vicinity of the circumference, and an image side of the sixth lens is provided with a convex surface portion in the vicinity of the circumference. The optical imaging lens is provided with the six lenses which are lenses with refractive rate. The electronic device comprises a casing and an imaging module, wherein the imaging module comprises the optical imaging lens, a lens cone, a module holder unit and an image sensor. By controlling arrangement of the convex surfaces and the concave surfaces of the lenses, imaging angle can be enlarged, and the optical imaging lens has good optical property.

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] The application of small camera devices has gradually expanded from mobile phones to related fields such as game consoles, driving recorders, or reversing cameras. Such devices generally have considerable requirements for wide-angle shooting angles, so the existing optical lenses are improved. It is necessary to expand the shooting angle as much as possible. [0003] U.S. Patents US8385006 and US8390940 both disclose an optical lens composed of six lenses, but the half field angle of these designs is only about 30-38 degrees, which is obviously difficult to meet the above-mentioned requirements. Contents of the invention [0004...

Claims

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Application Information

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IPC IPC(8): G02B13/18G02B7/02
Inventor 许圣伟唐子健叶致仰
Owner GENIUS ELECTRONICS OPTICAL XIAMEN
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