Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Spectrum adjustable light source system and adjustment method

A light source system and spectrum technology, which is applied in the field of spectrum adjustable light source system and adjustment, can solve the problems of no feedback mechanism, etc., and achieve the effect of meeting the calibration needs and precise adjustment

Inactive Publication Date: 2020-12-08
XIAMEN UNIV
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In "LED-based spectrally tunable light source with optimized fitting" published in "CHINESE OPTICS LETTERS", Yuan Kun and others used multiple linear regression method to fit CIE A light source and CIE D65 light source, and verified the fitting effect experimentally. But it does not have a reasonable feedback mechanism

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Spectrum adjustable light source system and adjustment method
  • Spectrum adjustable light source system and adjustment method
  • Spectrum adjustable light source system and adjustment method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] Please refer to Figure 1 to Figure 3 , Embodiment 1 of the present invention is:

[0062] A spectrum-adjustable light source system, including a temperature control device 1, an LED array light board 2, a light-concentrating device 3, an optical fiber bundle 4, an integrating sphere 10, a collimator lens 11, a multi-channel independently adjustable constant current source 5, and a spectrometer 6 , a system controller 7, a mobile phone terminal 8 and a remote PC terminal host computer 9.

[0063] Such as figure 1 and figure 2 As shown, the temperature control device 1 is connected to the LED array light board 2, the LED array light board 2 is connected to the concentrating device 3, the concentrating device 3 is connected to the optical fiber bundle 4, and one end of the optical fiber bundle 4 can be connected to the integrating sphere 10 as required Form a standard brightness source, or connect with a collimating lens 11 to form a standard illumination source, the ...

Embodiment 2

[0069] Please refer to Figure 4 , the second embodiment of the present invention is:

[0070] A spectrum adjustment method, applied to the above-mentioned spectrum adjustable light source system, comprising steps:

[0071] S1. The system controller controls multiple independent adjustable constant current sources to drive each group of LEDs on the LED array lamp board in turn, and drives the spectrometer to collect the spectra of n groups of LEDs to obtain the spectral data matrix S LEDS =[S 1 T , S 2 T ... S n T ], S 1 ~S n For the spectrum of each group of LEDs, the wavelengths between each group of LEDs are different;

[0072] S2. The system controller obtains the initial target spectrum and the fitting spectrum generated according to the spectrum of each group of LEDs, and obtains the initial current value corresponding to each group of LEDs when it is closest to the initial target spectrum through a multiple linear regression algorithm. The initial current valu...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a spectrum-adjustable light source system and an adjusting method. The spectrum-adjustable light source system comprises a temperature control device, an LED array lamp panel,a light condensing device, an optical fiber bundle, an integrating sphere, a collimating lens, multiple independent adjustable constant-current sources, a spectrograph and a system controller. The temperature control device is connected with the LED array lamp panel; the LED array lamp panel is connected with the light gathering device; wherein the light gathering device is connected with the optical fiber bundle, one end of the optical fiber bundle is connected with the integrating sphere and the collimating lens, the other end of the optical fiber bundle is connected with the spectrograph, the spectrograph is connected with the system controller, the system controller is connected with the multiple independent adjustable constant-current sources and the temperature control device, and the multiple independent adjustable constant-current sources are connected with the LED array lamp panel. According to the invention, the combined spectrum output by the LED array lamp panel can approach the target spectrum to the maximum extent, so that the output spectrum can be accurately adjusted; meanwhile, a dual light output mode can be realized so as to meet the calibration requirement of aspectral brightness meter or a spectrograph.

Description

technical field [0001] The invention relates to the technical field of adjustable light sources, in particular to a spectrum adjustable light source system and an adjustment method. Background technique [0002] With the development of semiconductor lighting technology, the luminous efficiency of LED has been continuously improved. In addition, it has the advantages of long life, energy saving and environmental protection, and the approximate linear relationship between luminous intensity and current after lighting. Therefore, LEDs with various wavelengths can be used to design the spectrum. Tunable light source system to simulate arbitrary shaped spectral distributions. [0003] Spectrally tunable light sources play an important role in the calibration of spectroscopic instruments, biological lighting, sunlight simulation and other fields. However, the existing spectrally tunable light source systems are mostly distributed in the visible light band, not including the ultra...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G01J3/10
CPCG01J3/10G01J2003/102
Inventor 郑振耀高巨守郑熠晟吕毅军陈国龙朱丽虹郭自泉林岳高玉琳陈忠
Owner XIAMEN UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com