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LED light diffusion light-uniformizing system for multispectral imaging and use method of system

A multi-spectral imaging and LED light source technology, applied in the field of multi-spectral imaging, can solve the problems of inability to provide experimental requirements, uneven illumination divergence, no uniform effect, etc., and achieve compact and adjustable volume, uniform lighting effect, and good lighting effect. Effect

Active Publication Date: 2019-12-31
XI AN JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to obtain uniform illumination of multiple wavelengths, some use flat LED surface light panels to obtain light source information of different wavelengths. The light produced by this light source is not uniform, and some use hemispherical diffusers to gather light, but there is still no better. uniform effect, and there will be shadows during the experiment, which cannot provide good experimental requirements

Method used

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  • LED light diffusion light-uniformizing system for multispectral imaging and use method of system

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Embodiment Construction

[0029] In describing the present invention, it is to be understood that the terms "center", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", The orientation or positional relationship indicated by "one side", "one end", "one side", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying No device or element must have a specific orientation, be constructed, and operate in a specific orientation and therefore should not be construed as limiting the invention. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0030] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for ex...

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Abstract

The invention discloses an LED light diffusion light-uniformizing system for multispectral imaging and a use method of the system. The system comprises a light uniformizing device with a curved surface reflection function; the light uniformizing device is of a hemispherical structure; a through hole is formed in the upper portion of the light uniformizing device; an annular metal sheet connected with the objective lens of an integrated microscope for a laboratory is arranged at the through hole; a PCB curved plate is arranged in the light uniformizing device; multi-wavelength LED light sourcesare evenly arranged on the PCB curved plate; and a control switch used for controlling the LED light sources is arranged at one side of the outer portion of the light uniformizing device. With the LED light diffusion light-uniformizing system for multispectral imaging of the invention adopted, the combined use of a conventional halogen lamp and an optical filter can be replaced. The system has the advantages of long service life and good lighting effect. According to the LED light diffusion light-uniformizing system for multispectral imaging and the use method of the system, LEDs with variouswavelengths are uniformly mixed so as to be used.

Description

technical field [0001] The invention belongs to the technical field of multispectral imaging, and in particular relates to an LED light diffusing and homogenizing system for multispectral imaging and an application method thereof. Background technique [0002] In the multi-spectral imaging lighting system, the combination of halogen lamps and filters is often used to obtain a single-wavelength light source. The disadvantage is that the range of use is narrow and the service life is short. LED light source has excellent monochromaticity, high photoelectric conversion, green environmental protection, long life, and stable beam. In view of these advantages, LED light source is widely used, such as machine vision and microscopic lighting. The design and improvement of multi-wavelength LED light source system is helpful to the improvement of multi-spectral imaging hardware system. [0003] At present, there is a demand for an LED light source system with multiple wavelengths and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/27G01N21/31G01J3/28G01J3/10
CPCG01J3/10G01J3/2823G01J2003/102G01J2003/2826G01N21/27G01N21/314G01N2021/3129G01N2021/3148G01N2021/3181
Inventor 陈斌高尚李东
Owner XI AN JIAOTONG UNIV
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