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Laser & Optoelectronics Progress, Volume. 56, Issue 12, 122302(2019)

490 nm Array Light-Emitting Diode Light Source System for Jaundice Phototherapy Instrument

Liyuan Yu1,3、*, Bin Han2, Jingang He2, Lei Yang2, Liuqin Shu1, and Pingjuan Niu3
Author Affiliations
  • 1 School of Electrical Engineering and Automation, Tianjin Polytechnic University, Tianjin 300387, China
  • 2 School of Electronics and Information Engineering, Tianjin Polytechnic University, Tianjin 300387, China
  • 3 Engineering Research Center of High Power Solid State Lighting Application System, Ministry of Education, Tianjin Polytechnic University, Tianjin 300387, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (8)
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    References (12)
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    Figures & Tables(8)
    Relationship between LR generation rate MLR and light wavelength

    Fig. 1. Relationship between LR generation rate MLR and light wavelength

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    Comparison between target spectrum and matching spectrum

    Fig. 2. Comparison between target spectrum and matching spectrum

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    Blue-green LED array form

    Fig. 3. Blue-green LED array form

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    Simulated illuminance map on illuminated surface

    Fig. 4. Simulated illuminance map on illuminated surface

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    Relationship between lens ring distance and uniformity

    Fig. 5. Relationship between lens ring distance and uniformity

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    Relationship between distance from lens to light source and uniformity

    Fig. 6. Relationship between distance from lens to light source and uniformity

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    Illumination distribution test of blue-green LED array

    Fig. 7. Illumination distribution test of blue-green LED array

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    Illumination distribution test of light source system with lens

    Fig. 8. Illumination distribution test of light source system with lens

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    Liyuan Yu, Bin Han, Jingang He, Lei Yang, Liuqin Shu, Pingjuan Niu. 490 nm Array Light-Emitting Diode Light Source System for Jaundice Phototherapy Instrument[J]. Laser & Optoelectronics Progress, 2019, 56(12): 122302

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    Paper Information

    Category: Optical Devices

    Received: Oct. 11, 2018

    Accepted: Jan. 21, 2019

    Published Online: Jun. 13, 2019

    The Author Email: Liyuan Yu (yuliyuan1219@126.com)

    DOI:10.3788/LOP56.122302

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology