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Portable electronic device and its optical imaging lens

An optical imaging lens and lens technology, applied in optics, optical components, televisions, etc., can solve the problems of long distance, unfavorable thinning of mobile phones and digital cameras, etc., and achieve the effect of shortening length and good optical performance

Active Publication Date: 2017-12-01
GENIUS ELECTRONICS OPTICAL XIAMEN
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Problems solved by technology

[0003] As far as a five-element lens structure is concerned, the distance from the object side of the first lens to the imaging surface on the optical axis is long in the past, which is not conducive to the thinning of mobile phones and digital cameras. Therefore, it is extremely necessary to develop a lens with good imaging quality and long lens length shortened shot

Method used

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  • Portable electronic device and its optical imaging lens
  • Portable electronic device and its optical imaging lens
  • Portable electronic device and its optical imaging lens

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Embodiment Construction

[0089] In order to further illustrate various embodiments, the present invention is provided with accompanying drawings. These drawings are a part of the disclosure of the present invention, which are mainly used to illustrate the embodiments, and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should understand other possible implementations and advantages of the present invention. Components in the drawings are not drawn to scale, and similar component symbols are generally used to denote similar components.

[0090] The term “a lens has a positive refractive power (or negative refractive power)” mentioned in this specification means that the refractive power of the lens on the optical axis calculated by Gaussian optics theory is positive (or negative). The image side and object side are defined as the range through which the imag...

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Abstract

The invention provides a portable electronic device and its optical imaging lens. The optical imaging lens of the present invention includes an aperture, a first, a second, a third, a fourth, and a fifth lens sequentially from the object side to the image side, and the optical imaging lens only has the above-mentioned five lenses with diopters, and Satisfy the following relationship: EFL / (G12+G45)≦8.3. The electronic device of the present invention includes a casing and an image module installed in the casing. The image module includes the aforementioned optical imaging lens, a lens barrel, a module rear seat unit, and an image sensor. The invention is used for optical photography. The present invention shortens the lens length under the condition of maintaining good optical performance by controlling the concave-convex surface arrangement of each lens and controlling related parameters with at least one relational expression.

Description

technical field [0001] The present invention is related to a portable electronic device and its optical imaging lens, and especially related to a portable electronic device using a five-piece lens and its optical imaging lens. Background technique [0002] In recent years, the popularization of mobile phones and digital cameras has led to the vigorous development of image modules including optical imaging lenses, module rear units, and image sensors. The thinner and lighter mobile phones and digital cameras have also increased the miniaturization requirements of image modules. With the technological progress and size reduction of the Charge Coupled Device (CCD) or Complementary Metal-Oxide Semiconductor (CMOS), the optical imaging lens installed in the image module also needs to be reduced in size , but the good optical performance of the optical imaging lens is also necessary to take into account. [0003] As far as the five-element lens structure is concerned, the distanc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B13/18G02B13/00
CPCG02B13/0045H04N23/51
Inventor 林宇仁
Owner GENIUS ELECTRONICS OPTICAL XIAMEN
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