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Optical lens for capturing image and image capture module

An optical image and capture lens technology, applied in the field of optical image capture lenses and optical image capture modules, can solve the problems of increasing the back focal length and total length of optical image capture, and difficulty in shortening the total length of the optical system, and achieves the Shorten the overall length, good compensation effect, and the effect of improving image quality

Inactive Publication Date: 2015-04-15
ABILITY OPTO ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the design of various miniaturized five-lens optical image capture lenses with fixed focal length, it is known to combine lenses with different positive or negative refractive powers. For example, US Pat. The five-lens configuration can increase the back focal length and overall length of optical image capture, which makes it difficult to shorten the overall length of the optical system

Method used

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  • Optical lens for capturing image and image capture module
  • Optical lens for capturing image and image capture module
  • Optical lens for capturing image and image capture module

Examples

Experimental program
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Effect test

Embodiment 1

[0045] see Figure 1A , is a schematic diagram showing the optical image capture module of Embodiment 1 of the present invention. Such as Figure 1AAs shown, this embodiment provides an optical image capture lens, which sequentially includes a first lens 110, a second lens 120, a third lens 130, and a fourth lens 140 along the optical axis from the object side to the image side. And the fifth lens 150, wherein, the first lens 110 has positive refractive power and its object side optical surface 111 is a convex surface; the second lens 120 has a positive refractive power, and its image side optical surface 122 is a convex surface; the third lens 130 With negative refractive power, the object-side optical surface 131 of the third lens 130 is a concave surface, and its image-side optical surface 132 is a convex surface, wherein at least one of the object-side optical surface 131 and the image-side optical surface 132 of the third lens 130 is Aspheric surface; the fourth lens 140 ...

Embodiment 2

[0063] see Figure 2A , is a schematic diagram of the optical image capture module provided in this embodiment. Such as Figure 2A As shown, the present embodiment provides an optical image capture lens, which sequentially includes a first lens 210, a second lens 220, a third lens 230, and a fourth lens 240 along the optical axis from the object side to the image side. And the fifth lens 250, wherein, the first lens 210 has positive refractive power and its object side optical surface 211 is a convex surface; the second lens 220 has a positive refractive power, and its image side optical surface 222 is a convex surface; the third lens 230 With negative refractive power, the object-side optical surface 231 of the third lens 230 is concave, and its image-side optical surface 232 is a convex surface, wherein at least one of the object-side optical surface 231 and image-side optical surface 232 of the third lens 230 is Aspheric surface; the fourth lens 240 has a refractive power...

Embodiment 3

[0075] see Figure 3A , is a schematic diagram of the optical image capture module provided in this embodiment. Such as Figure 3A As shown, an optical image capture lens provided in this embodiment includes sequentially from the object side to the image side along the optical axis: a first lens 310 , a second lens 320 , a third lens 330 , and a fourth lens 340 And the fifth lens 350, wherein, the first lens 310 has positive refractive power and its object side optical surface 311 is a convex surface; the second lens 320 has a positive refractive power, and its image side optical surface 322 is a convex surface; the third lens 330 With negative refractive power, the object-side optical surface 331 of the third lens 330 is a concave surface, and its image-side optical surface 332 is a convex surface, wherein at least one of the object-side optical surface 331 and the image-side optical surface 332 of the third lens 330 is Aspherical surface; the fourth lens 340 has a refracti...

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Abstract

The invention discloses an optical lens for capturing image and an image capture module. In order from an object side to an image side, the optical lens along the optical axis comprises a first lens element with positive refractive power having a convex object-side surface; a second lens element with positive refractive power having a convex image-side surface; a third lens element with negative refractive power having a convex image-side surface and a concave object-side surface; a fourth lens element with refractive power having a convex object-side surface, both the object-side surface and the image-side surface of the fourth lens element are aspheric; a fifth lens element with refractive power having a concave image-side surface, and at least one of the image-side surface and object-side surface has at least one inflection point. The optical lens can reduce the sensitivity for use in compact cameras with camera functionalities.

Description

technical field [0001] The present invention relates to an optical image capture lens and its optical image capture module, in particular, to an optical image capture lens and its optical image capture module composed of five lenses for high-quality imaging, for application On 3C products. Background technique [0002] At present, optical image capture lenses are often installed on small electronic devices such as digital cameras, mobile phones or tablet computers to capture images of objects, and the trend of optical image capture lenses is also towards miniaturization and low cost. , but also need to have good aberration correction capability, high resolution and high imaging quality. [0003] Known technology can be divided into different designs such as two-lens, three-lens, four-lens and five-lens in the optical image capture lens of small electronic products. However, if the image quality is considered, the four-lens And the five-lens optical image capture lens has a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/00G02B13/18
CPCH01L27/14625G02B13/18G02B13/0045G02B9/60G02B3/04
Inventor 游鸿国
Owner ABILITY OPTO ELECTRONICS TECH