References
- Yeo, I. S. 'New technology of Light source," KIEE, Vol. 47-8, pp.5~13. 1998. 8
- KIER. 'Traffic signs of LED for ultra-energy saving,' Technical workshop, Daejeon, Korea. 1999. 12
- Kwangju metro-city. 'A study of deve-lopment for Light source on the high brightness LED,' R&D Report, Kwangju, Korea. 2000. 8
- Jung, B. M. 'Research for the LED Traffic signals development and dif-fusion," KIER-report, Daejeon, Korea. 1998. 3
- Howand M. Brandston, Art J. Peterson, E. Kevin Simonson, and Peter R. Boyce. 'A White-LED Post-Top luminance for Rual Applications,' pp.227-234. IESNA Paper 2000, Conference Proceedings
- Y-S Yu, S-B Song, I-S Yeo. 'A Study of the Stable Color Variation Circuit of High Brightness LEDs', KIEE, Vol, 51-8 pp. 390-396. 2002. 8
- N. Narendran, J. D. Bullough, N. Mali yagoda, and A. Bierman. 'What is Useful Life for White Light LEDs?' Journal of the Illuminating Engineehng Society, Vol. 30 No. 1, pp.57-67. 2001 https://doi.org/10.1080/00994480.2001.10748334
- CIE 127.Measurement of LEDs
- M.K. Hwang, J.M. Lim, S.W. Shin, 'A Study of Optical Charactehstics for High Intensity LED", KIEE, Summer Annual Conference, pp.2159-2161, 2000. 7
- IES Lighting Handbook 9th Ed., 'Measu rement of Light and Other Radiant Energy,' pp.27-48, 1995
- Paul N. Grocoff. 'Effects of Correlated Color Temperature on Perceived Visual Comfort,' Michigan Uni., 1996
- Hewlett Packard. 'A New World of Ligh-ting,' Traffic Design with HP SunPower 5mm and HEL Lamp Families. 1999. 2
- Agilent Technologies, Inc. 'A Guide to Human Visual Perception and the Optical Characteristics of LED Displays', 1999. 11