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method of measuring optical properties of high power LED and apparatus for measuring optical properties of high power LED
method of measuring optical properties of high power LED and apparatus for measuring optical properties of high power LED
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机译：大功率LED的光学特性的测量方法以及大功率LED的光学特性的测量装置
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摘要
The present invention relates to a method for measuring optical characteristics of a high-power LED and a measuring apparatus therefor, in which measurement repeatability is improved and stable measurement is possible. According to an embodiment of the present invention, there is provided a method of measuring optical characteristics of a high-power LED, comprising: obtaining a junction voltage and a junction temperature of the reference setting LED from an instant response curve of a reference setting LED; Finding a control range of the junction temperature to maintain the junction voltage constant in a stable time zone of the instantaneous response curve; Applying power to the inspection LED and controlling the temperature in a control range of the detected junction temperature so that a junction voltage of the inspection LED is kept constant in the stable time period; And measuring optical characteristics of the inspection LED in the stable time period.
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