A lighting device according to an embodiment of the present invention comprises: a light source unit to generate light; and a reflection unit having a reflection layer to reflect the light generated by the light source unit in one direction. The reflection layer comprises: a metal reflection layer containing metal; and a dielectric reflection layer which is disposed on the metal reflection layer and comprises a plurality of dielectric layers having different refractive indices.
申请公布号
KR101557443(B1)
申请公布日期
2015.10.06
申请号
KR20140051425
申请日期
2014.04.29
申请人
LG ELECTRONICS INC.;INHA-INDUSTRY PARTNERSHIP INSTITUTE
发明人
PARK, SUN JUNG;CHO, HAN KYU;HWANGBO, CHANG KWON;KIM, WON YOUNG;KIM, HUN;LIM, JAI DONG;LEE, SANG IL