Patent · US Active

Light-emitting device and method of manufacturing the same

US10304993B1 · kind B1 · utility

0Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 5, 2018
Grant dateMay 28, 2019
Priority date
Expiry dateJan 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.