Patent · US Active

Nanorod light emitting device, substrate structure including a plurality of nanorod light emitting devices, and method of manufacturing the substrate structure

US12249671B2 · kind B2 · utility

0Cited by
3References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 24, 2022
Grant dateMar 11, 2025
Priority date
Expiry dateMay 17, 2043

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10H20/819
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Provided is a substrate structure including a substrate, a buffer layer disposed on the substrate, a porous semiconductor layer disposed on the buffer layer, the porous semiconductor layer having a plurality of voids, a plurality of semiconductor light emitting structures disposed on the porous semiconductor layer, the plurality of semiconductor light emitting structures having a nanorod shape extending vertically, and a passivation film disposed on a side wall of each of the plurality of semiconductor light emitting structures, the passivation film having an insulation property.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.