Portable electronic device and optical imaging lens thereof
An optical imaging lens and lens technology, applied in optics, optical components, lenses, etc., can solve the problems of long distance, unfavorable thinning of mobile phones and digital cameras, and achieve the effect of shortening length and good optical performance
Active Publication Date: 2015-09-02
GENIUS ELECTRONICS OPTICAL XIAMEN
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Problems solved by technology
[0003] As far as a six-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
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[0125] To further illustrate various embodiments, the present invention provides drawings. These drawings are 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 manual 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 figures are not drawn to scale, and similar component symbols are generally used to denote similar components.
[0126] The term "a lens has positive (or negative) refractive power" in this specification refers to the positive (or negative) refractive power of the lens on the optical axis calculated by Gaussian optics theory. The image side and object side are defined as the range through which the imaging light passes, where the imaging light includes the chief ray Lc and t...
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The present invention relates to a portable electronic device and an optical imaging lens thereof. The optical imaging lens comprises six lenses, wherein an objective side surface of the first lens is provided with a convex surface portion located in an area nearby an optical axis; an image side surface of the second lens is provided with a concave surface portion located in an area nearby the optical axis; an image side surface of the third lens is provided with a convex surface portion located in an area nearby a circumference; an objective side surface of the fourth lens is provided with a convex surface portion located in an area nearby the optical axis, and an objective side surface thereof is provided with a convex surface portion located in an area nearby the optical axis; the fifth lens is made of plastics; an objective side surface of the sixth lens is provided with a convex surface portion located in an area nearby the optical axis; and the optical imaging lens only comprises the six lenses with refractive rate, and meets the condition of EFL / T1<=7.5. The portable electronic device comprises a housing and an image module, wherein the image module comprises the optical imaging lens, a lens cone, a module back holder unit and an image sensor. According to the portable electronic device and the optical imaging lens thereof, good optical performance can be maintained, and length of the optical imaging lens can be effectively reduced.
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 six-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 backseat units, and image sensors. The thinner and lighter mobile phones and digital cameras have also increased the demand for miniaturization of image modules. With the technological advancement and size reduction of Charge Coupled Device (CCD) or Complementary Metal-Oxide Semiconductor (CMOS), the optical imaging lens installed in the image module also needs to be reduced. However, the good optical performance of the optical imaging lens must also be considered. [0003] As far as a six-piece lens structure is concerned, the distance from the object side o...
Claims
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Login to View More IPC IPC(8): G02B13/18G02B13/00
CPCG02B13/0045G02B3/04G02B5/005G02B9/62G02B9/64G02B13/001G02B13/0015G02B13/002G02B13/18G02B27/0025
Inventor 陈思翰张加欣樊大正
Owner GENIUS ELECTRONICS OPTICAL XIAMEN