DOI QR코드

DOI QR Code

LED Output Light Characteristic by Lens Eccentricity

LED Lens 의 이심률에 따른 출광 특성

  • 김영철 (을지대학교 안경광학과) ;
  • 유종선 (선문대학교 전자공학과)
  • Received : 2011.12.30
  • Accepted : 2012.10.06
  • Published : 2012.11.01

Abstract

We have investigated the LED lens eccentricity effect on light intensity distribution. For the purpose, we introduced an equation of focal length for paraboloid, and then made a comparative analysis of the theoretical result and 3-D simulation result.

Keywords

References

  1. Ban, J. S., Jung, Y. H., Yang, H. S., and Kim, S. J., "The Life Span of LED by the Rising Glass Transitions Temperature of Epoxy," J. of the KSPE, Vol. 29, No. 1, pp. 109-113, 2012. https://doi.org/10.7736/KSPE.2012.29.1.109
  2. Jung, T. S. and Kang, H. K., "Evaluation on the Cooling Performance to Design Heat sinks for LED lightings," J. of the KSPE, Vol. 29, No. 7, pp. 778- 784, 2012. https://doi.org/10.7736/KSPE.2012.29.7.778
  3. Park, S. J., "Light Extraction Technique of LED," Physics & High Technology, Vol. 17, No. 11, pp. 13-15, 2008.
  4. Kim, J., "The Issues and the Technology Trends of LED," Electronics and Telecommunications Trends, Vol. 24, No. 6, pp. 61-76, 2009.
  5. Lee, S., "Guide to LED," IT SoC Magazine, Vol. 23, pp. 48-491, 2008.
  6. Schubert, E. F., "Light-Emitting Diodes," Cambridge University Press, 2006.