Journal of the Korean Society of Manufacturing Technology Engineers (한국생산제조학회지)

The Korean Society of Manufacturing Technology Engineers (한국생산제조학회)
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Light Distribution Pattern of Optical System in Street Lights with AC COB-Type LEDs

AC COB형 LED 가로등의 광학계 배광 패턴

  • Kim, Young-Gil (Course for Knowledge-based Technology(Opto-Nanotronics), Korea Polytechnic University) ;
  • Yoo, Kyung-Sun (Course for Knowledge-based Technology(Opto-Nanotronics), Korea Polytechnic University) ;
  • Lee, Chang-Soo (Course for Knowledge-based Technology(Opto-Nanotronics), Korea Polytechnic University) ;
  • Hyun, Dong-Hoon (Course for Knowledge-based Technology(Opto-Nanotronics), Korea Polytechnic University)
  • Received : 2016.12.16
  • Accepted : 2017.02.02
  • Published : 2017.02.15
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Abstract

This study attempted to design lights with Type II distribution suitable for LED street lights based on the regulations of street light distribution developed by the Illuminating Engineering Society of North America (IESNA). The shape of an asymmetric lens, different from that of a rotationally symmetric lens, cannot be generated using a simple mathematical formula. In the first trial, the outline of the lens was fixed and simulated to confirm the distribution type. Following ISENA regulations, some problems that occurred during simulations and repeating was be modified that process is how we detected errors. Through optical research and simulations, a lens conforming to the regulations of Type II very short, Type II short, and Type II medium distributions was developed. A prototype was developed using simulation data and it was subjected to distribution tests. The results show that it can compare with property of Type II distribution.

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References

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