CHEN Chi, LIU Wen-de, XU Ying-ying, FAN Qi-ming, ZHANG Jing. Standard white field instrument for measuring viewing angle[J]. Journal of Applied Optics, 2011, 32(6): 1180-1183.
Citation: CHEN Chi, LIU Wen-de, XU Ying-ying, FAN Qi-ming, ZHANG Jing. Standard white field instrument for measuring viewing angle[J]. Journal of Applied Optics, 2011, 32(6): 1180-1183.
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Standard white field instrument for measuring viewing angle

  • National Institute of Metrology,Beijing 100013,China

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  • The standard white field instrument traceable to the national spectral radiometric, photometric and colorimetric primary standard was set up forcharacterizing the photometric and colorimetric parameters of displays. The instrument was calibrated and its spectrum, stability and photometric-colorimetric parameters were given. Using the instrument to study the viewing angle of prevail liquid crystal displays, the influence of the variation of the light-emitting surface during the measurement process was considered, which was usually ignored. The results indicate a difference of more than 8% for the absolute-luminance-based viewing-angle threshold method, which should be considered and avoided in the measurement.
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  • ［1］陈赤, 刘文德, 徐英莹,等. 平板显示器视角测量方法的比较 ［J］. 计量学报, 2009, 30(6A): 202-204.
    CHEN Chi, LIU Wen-de, XU Ying-ying ,et al. Comparison of methods for measuring viewing angle of flat panel displays ［J］. Acta Metrologica Sinica, 2009, 30(6A): 202-204. (in Chinese with an English abstract)
    ［2］姚军. 彩电标准白场快速建立方法及计量仪器的研究 ［J］. 仪器仪表学报, 2002, 23(3): 79-81.
    YAO Jun. Study on the way of quickly setting up the standard white field of TV ［J］. Chinese Journal of Scientific Instrument, 2002, 23(3): 79-81. (in Chinese with an English abstract)
    ［3］TEUNISSEN K, QIN S, HEYNDERICKX I. A perceptually based metric to characterize the viewing-angle range of matrix displays ［J］. Journal of the Society for Information and Display, 2008, 16(1): 27-36.
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