Open AccessA Study on Optical Efficiency Improvement of LED-lighting Adopting Aspherical Optical System(I)
Publication year - 2009
Publication title -
jeon'gi jeonja jaeryo haghoe nonmunji/jeon-gi jeonja jaeryo hakoe nonmunji
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