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Volume 19 Issue 2
Dec.  2013
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Article Navigation >  LASER TECHNOLOGY  > 1995 >  19(2): 105-109

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Study of automatical measurement for image point intensity homogeneity of matrix LED display

  • 1.

    Southwest Institute of Technical Physics;

  • 2.

    Nanjing University of Science & Technology

  • In this paper,the research how to measure automatically the image point homogeneity of a high density matrix LED display is summarized.Based on the measuring method of integrating sphere-photomultiple tube(IS-PMT),the device of automatical measuring of image point homogeneity of a matrix LED display has been developed.The device adopts the MCS-51 microcomputer on chip to realize the functions of automatical measurement and to have a good interface between user and computer for measuring all kinds of high density matrix LED displays.After correcting the measuring errors,the precision of the measurement equipment is up to 1.7%.
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通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Study of automatical measurement for image point intensity homogeneity of matrix LED display

  • 1. Southwest Institute of Technical Physics;
  • 2. Nanjing University of Science & Technology
  • Available Online: 1995-03-25

Abstract: In this paper,the research how to measure automatically the image point homogeneity of a high density matrix LED display is summarized.Based on the measuring method of integrating sphere-photomultiple tube(IS-PMT),the device of automatical measuring of image point homogeneity of a matrix LED display has been developed.The device adopts the MCS-51 microcomputer on chip to realize the functions of automatical measurement and to have a good interface between user and computer for measuring all kinds of high density matrix LED displays.After correcting the measuring errors,the precision of the measurement equipment is up to 1.7%.

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