A Study on the Efficiency of a High Power Factor LED Driver Circuit

고역률 LED 구동회로의 효율화에 관한 연구

  • Lee, Dong Won (Sangji Scientific Co., Ltd.) ;
  • Kim, Byungcheul (Department of Electronic Engineering, Gyeongnam National University of Science and Technology (GnTECH))
  • Received : 2013.06.04
  • Accepted : 2013.07.12
  • Published : 2013.08.01


The rectified voltage supplied to LED lamp is used in load and then the surplus voltage can be produced in LED lighting. In this case, LED lighting is proposed that can recyclable the excess voltage to supply power to the controller.


Supported by : 경남과학기술대학교


  1. A. Borbeely, A. Saamson, and J. Schanda, Color Research & Application, 26, 450 (2001).
  2. H. J. Chiu, H. M. Huang, H. T. Yang, and S. J. Cheng, International Journal of Circuit Theory and Applications, 32, 205 (2008).
  3. B. H. Jeong, N. O. Kim, D. G. Kim, G. G. Oh, G. B. Cho, and K. Y. Lee, Journal of the Korean Institute of Illuminating and Electrical Installation Engineers, 23, 23 (2009).
  4. B. C. Kim, E. S. Jeon, and C. Kim, Engineering and Technology (S-CET) (Spring Congress on, 2012) p. 1.
  5. J. Cho, J. Jung, J. H. Chae, H. Kim, J. W. Lee, S. Yoon, C. Sone, T. Jang, Y. Park, and E. Yoon, Jpn. J. Appl. Phys., 46, L1194 (2007).