Journal of the Optical Society of Korea

Optical Society of Korea (한국광학회)
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Development of an Illumination Measurement Device for Color Distribution Based on a CIE 1931 XYZ Sensor

  • Son, Do-Ky (Department of Electronic Engineering, Chosun University) ;
  • Cho, Eun-Byeol (Department of Electronic Engineering, Chosun University) ;
  • Moon, In-Kyu (School of Computer Engineering, Chosun University) ;
  • Park, You-Sang (Bioptech Ltd., Business Incubation Center, Chosun University) ;
  • Lee, Chung-Ghiu (Department of Electronic Engineering, Chosun University)
  • Received : 2010.08.31
  • Accepted : 2011.01.12
  • Published : 2011.03.25
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Abstract

In this paper, an easy-to-use measurement device for illumination distribution is developed. The device consists of a sensor array module, a control module, and a PC interface. The sensor array module incorporates CIE 1931 color sensors and the ARM-based 96 MHz microcontroller in the control module for measurement and data processing. The sensor array module contains 64 color sensors arranged in a $16{\times}4$ array. The sensitivity of the sensor array module can be adjusted depending on the illumination level to be measured. The measurement data and control signals are exchanged via USB 2.0 standard. To demonstrate the performance of the device, the illumination distribution is measured for colors of red, green, and blue and is graphically shown. The device can be used for measurement of the illumination distribution, design and adjustment of LED illumination.

Keywords

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