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lens array

A lens array and lens technology, applied in the field of lens arrays, can solve problems such as axial aberration and aberration

Active Publication Date: 2016-09-28
HIMAX TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the different refraction power of light of different wavelengths passing through the lens array, the axial aberration (axial aberration) becomes worse

Method used

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Embodiment Construction

[0038] The methods of making and using various embodiments of the present invention will be discussed in detail below. However, it is worth noting that many feasible inventive concepts provided by the present invention can be implemented in various specific ranges. These specific embodiments are only used to illustrate the manufacturing and use methods of the present invention, but are not used to limit the scope of the present invention. The scope of the present invention is determined by the appended claims.

[0039] Figure 1A It is a schematic diagram of a lens array according to an embodiment of the present invention. Such as Figure 1A As shown, a lens array 10 has a plurality of lens modules L1-L9. It should be noted that the number of micro lens modules can be modified if necessary. In one embodiment, the lens array is used to receive the image (ie light) of the object and pass the image to the image sensor.

[0040] Figure 1B It is a schematic diagram of a lens array sy...

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Abstract

The invention discloses a lens array, which includes a plurality of micro lens modules. Each microlens module includes a first lens group and a second lens group. The first lens group and the second lens group are arranged sequentially from the object side to the image side along the optical axis. The effective focal length (EFL) of the first lens group is f1, the EFL of the second lens group is f2, and these microlens modules meet the following conditions: -0.2<f1 / f2<0.5.

Description

Technical field [0001] The present invention relates to a lens array, in particular to a lens array, the aspherical surfaces of the first and second microlens modules are different. Background technique [0002] The conventional lens array transmits light of different wavelengths to the image sensor. By processing the light of different wavelengths received by the image sensor, the resolution and depth of the field can be improved. However, since rays of different wavelengths have different refractive powers through the lens array, the axial aberration becomes worse. Therefore, there is a need to improve the design of the lens array. Summary of the invention [0003] In the following embodiments, a detailed description will be given with reference to the attached drawings. [0004] An embodiment of the present invention discloses a lens array. The lens array includes a plurality of micro lens modules. Each micro lens module includes a first lens group and a second lens group. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B3/00
CPCG02B3/0006
Inventor 林瀚青杨川辉
Owner HIMAX TECH LTD