Patent ID: 8487344

Claim:
An optical device comprising: an optical member; a contact layer including at least one transparent conducting oxynitride (TCON) layer stacked on at least one of top and bottom surfaces of the optical member, wherein the TCON comprises at least one selected from a group consisting of indium (In), tin (Sn), zinc (Zn), cadmium (Cd), gallium (Ga), aluminum (Al), magnesium (Mg), titanium (Ti), molybdenum (Mo), nickel (Ni), copper (Cu), silver (Ag), gold (Au), platinum (Pt), rhodium (Rh), iridium (Ir), ruthenium (Ru), and palladium (Pd), which is combined with both oxygen ( 0 ) and nitrogen (N); and nanometer scale particles disposed on a surface of an n-type nitride cladding layer of the optical member and under the contact layer.