Patent ID: 8669574

Claim:
A nanostructured LED comprising: a plurality of nanowires; a substrate; at least one group of contact pads comprising a first group of contact pads electrically contacting one of an n-type or p-type portions of a first group of the plurality of nanowires; a second group of distributed contact pads electrically contacting another one of the p-type or n-type portions of the first group of the plurality of nanowires; a carrier structure; a first plurality of bumps contacting and electrically connecting the first group of contact pads to the carrier structure; and a second plurality of bumps contacting and electrically connecting a second group of contact pads to the carrier structure; wherein: each of the plurality of nanowires protrudes from the substrate and each nanowire comprises a pn- or p-i-n-junction; a top portion of at least one group of nanowires from the plurality of nanowires is covered with a light-reflecting or transparent contact layer which extends down sidewalls of a peripheral portion of the plurality of nanowires to form at least one contact group of nanowires; the second group of distributed contact pads is distributed on top of a surface of the light-reflecting or transparent contact layer over the at least one contact group of the plurality of nanowires; the at least one group of contact pads is in electrical contact with a bottom portion of each of the plurality of nanowires; the light-reflecting or transparent contact layer is in electrical contact with the at least one group of contact pads via the pn- or p-i-n-junction; and the at least one group of contact pads is the first group of contact pads in which the contact pads are distributed and separated from each other to reduce an average serial resistance.