Light-emitting device and method of manufacturing the same
US10304993B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 5, 2018 |
| Grant date | May 28, 2019 |
| Priority date | — |
| Expiry date | Jan 5, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/819
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
The present invention discloses a light-emitting device and the manufacturing method thereof. The light-emitting device comprises: a substrate including a protrusion part and a base part; a lattice buffer layer formed on the substrate and including a first region substantially right above the protrusion part and a second region substantially right above the base part, wherein the first region includes a recess therein; a light-emitting stack formed on the lattice buffer layer and the recess; and electrodes formed on and electrically connected to the light-emitting stack.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.