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
Assignee
Inventors
Key dates
| Filing date | Jan 24, 2022 |
| Grant date | Mar 11, 2025 |
| Priority date | — |
| Expiry date | May 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.