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Optical imaging lens and eletronic device comprising the same

a technology of optical imaging and electronic devices, applied in the field of optical imaging lens sets and electronic devices, can solve the problems of hardly meeting the demands of a large field of view, half field of view, etc., and achieve the effects of high image quality, low production cost, and high resolution

Active Publication Date: 2015-06-25
GENIUS ELECTRONICS OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The proposed optical imaging lens set achieves a significantly enlarged HFOV of up to 49.07 degrees, maintaining high image quality and resolution, and is lightweight with reduced production costs, suitable for applications in devices like game consoles and driving recorders.

Problems solved by technology

U.S. Pat. No. 8,385,006 and U.S. Pat. No. 8,390,940 both disclosed an optical imaging lens set of six lens elements, however, in those patents mentioned above, the HFOV (half field of view) are only 30˜38 degrees, which can hardly satisfy the demands of a large field of view.

Method used

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  • Optical imaging lens and eletronic device comprising the same
  • Optical imaging lens and eletronic device comprising the same

Examples

Experimental program
Comparison scheme
Effect test

first example

[0089]Please refer to FIG. 1 which illustrates the first example of the optical imaging lens set 1 of the present invention. Please refer to FIG. 2A for the longitudinal spherical aberration on the image plane 71 of the first example; please refer to FIG. 2B for the astigmatic field aberration on the sagittal direction; please refer to FIG. 2C for the astigmatic field aberration on the tangential direction, and please refer to FIG. 2D for the distortion aberration. The Y axis of the spherical aberration in each example is “field of view” for 1.0. The Y axis of the astigmatic field and the distortion in each example stand for “image height”. The image height is 2.754 mm.

[0090]The optical imaging lens set 1 of the first example has six lens elements 10 to 60; except for the fourth lens element 40, others are made of a plastic material and have refractive power, the fourth lens element 40 is made of glass and has refractive power. The optical imaging lens set 1 also has an aperture sto...

second example

[0104]Please refer to FIG. 3 which illustrates the second example of the optical imaging lens set 1 of the present invention. Please refer to FIG. 4A for the longitudinal spherical aberration on the image plane 71 of the second example; please refer to FIG. 4B for the astigmatic aberration on the sagittal direction; please refer to FIG. 4C for the astigmatic aberration on the tangential direction, and please refer to FIG. 4D for the distortion aberration. The components in the second example are similar to those in the first example, but the optical data such as the curvature radius, the refractive power, the lens thickness, the lens focal length, the aspheric surface or the back focal length in this example are different from the optical data in the first example. The optical data of the second example of the optical imaging lens set are shown in FIG. 20 while the aspheric surface data are shown in FIG. 21. The length of the optical imaging lens set is 10.913 mm. The image height i...

third example

[0105]Please refer to FIG. 5 which illustrates the third example of the optical imaging lens set 1 of the present invention. Please refer to FIG. 6A for the longitudinal spherical aberration on the image plane 71 of the third example; please refer to FIG. 6B for the astigmatic aberration on the sagittal direction; please refer to FIG. 6C for the astigmatic aberration on the tangential direction, and please refer to FIG. 6D for the distortion aberration. The components in the third example are similar to those in the first example, but the optical data such as the curvature radius, the refractive power, the lens thickness, the lens focal length, the aspheric surface or the back focal length in this example are different from the optical data in the first example. The optical data of the third example of the optical imaging lens set are shown in FIG. 22 while the aspheric surface data are shown in FIG. 23. The length of the optical imaging lens set is 11.119 mm. The image height is 2....

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Abstract

An optical imaging lens includes a first, second, third, fourth, fifth and sixth lens element, the first lens element having an image-side surface with a concave part in a vicinity of its periphery, the second lens element having an object-side surface with a convex part in a vicinity of its periphery, the third lens element having an image-side surface with a convex part in a vicinity of its periphery, the fourth lens with positive refractive power, the fifth lens element having an object-side surface with a concave part in a vicinity of its periphery, the sixth lens element having an image-side surface with a convex part in a vicinity of its periphery, wherein the optical imaging lens set does not include any lens element with refractive power other than said first, second, third, fourth, fifth and sixth lens elements.

Description

CROSS REFERENCE TO RELATED APPLICATION[0001]This application claims priority to Taiwan Application No. 102147560, filed on Dec. 20, 2013.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention generally relates to an optical imaging lens set and an electronic device which includes such optical imaging lens set. Specifically speaking, the present invention is directed to an optical imaging lens set of six lens elements and an electronic device which includes such optical imaging lens set.[0004]2. Description of the Prior Art[0005]Applications of small photographic devices have gradually expanded from mobile phones to game consoles, driving recorders or reversing cameras. Those photographic devices have considerable demands of a large field of view, and therefore, how to enlarge the field of view of a photographic device is an important research objective.[0006]U.S. Pat. No. 8,385,006 and U.S. Pat. No. 8,390,940 both disclosed an optical imaging lens set ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G02B9/62H04N5/225G02B13/00
CPCG02B9/62H04N5/2254G02B13/0045
Inventor HSU, SHENG-WEITANG, TZU-CHIENYEH, CHIH-YANG
Owner GENIUS ELECTRONICS OPTICAL CO LTD