Open AccessA Study on Optical Efficiency Improvement of LED-lighting Adopting Aspherical Optical System(I)
Author(s) -
Hak-Suk Lee,
Jong-Rak Park,
Minjae Kim,
Hye-Jeong Kim,
JeongHo Kim
Publication year - 2009
Publication title -
journal of the korean institute of electrical and electronic material engineers
Language(s) - English
Resource type - Journals
eISSN - 2288-3258
pISSN - 1226-7945
DOI - 10.4313/jkem.2009.22.12.1033
Subject(s) - lens (geology) , light emitting diode , optics , led lamp , materials science , power consumption , optoelectronics , power (physics) , computer science , physics , quantum mechanics
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