Open AccessVariation of Illumination Performance with Source Size and Tolerance Characteristics of Freeform LED Lenses
Author(s) -
양재석,
김대찬,
오범환,
박세근,
유일현,
이승걸
Publication year - 2013
Publication title -
han-guk gwanghak hoeji/han'gug gwanghag hoeji
Language(s) - English
Resource type - Journals
eISSN - 2287-321X
pISSN - 1225-6285
DOI - 10.3807/kjop.2013.24.1.029
Subject(s) - illuminance , optics , lens (geology) , light source , led lamp , materials science , variation (astronomy) , radiation , light emitting diode , irradiance , point source , physics , astrophysics