Patent ID: 7358541

Claim:
A flip-chip light emitting diode (FCLED) having an active layer interposed between an n-type cladding layer and a p-type cladding layer, the FCLED comprising a reflective layer formed of a solute element added silver (Ag) on the p-type cladding layer, wherein the solute element is at least one selected from the group consisting of aluminum (Al), palladium (Pd), copper (Cu), chrome (Cr), zinc (Zn), rhodium (Rh), nickel (Ni), indium (In), tin (Sn), cobalt (Co), magnesium (Mg), ruthenium (Ru), iridium (Ir), platinum (Pt), gold (Au), plumbum (Pb), manganese (Mn), rhenium (Re), molybdenum (Mo), tungsten (W), vanadium (V), niobium (Nb), titanium (Ti), zirconium (Zr), hafnium (Hf), tantalum (Ta), scandium (Sc), yttrium (Y), beryllium (Be), and lanthanum (La) based elements.