Trw Limited

William M Bruno

Maurice Peter Bianchi

A transparent electrical conductor which provides relatively high electrical conductivity and transmittance in the visible/near-infrared (VNIR), relative to known transparent electrical conductors, such as tin-doped indium oxide (ITO). In one embodiment of the invention, the transparent electrical conductor is formed from a plurality of quantum wells formed between the interfaces of three layers of lattice-matched, wide band gap materials, such as AlGaN and GaN. In an alternative embodiment of the invention, a material with a band gap much larger than known materials used for such transparent electrical conductors, such as ITO, is selected. Both embodiments of the invention may be formed on a transparent substrate and provide relatively better transmittance in the VNIR at sheet electrical resistances of four or less ohms/square than known materials, such as tin-doped indium oxide (ITO).

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Downey, CA, United States of America

William M Bruno