1. A reflection sheet comprising:a substrate layer;
a reflective layer formed on the substrate layer,
wherein the reflective layer comprises an alloy consisting of silver (Ag), palladium (Pd) and neodymium (Nd); and
an intermediate indium-tin-oxide (ITO) layer disposed between the substrate layer and the reflective layer and comprising a surface treated with a tetramethylsilane/O2 (TMS/O2) plasma.