Light emitting device
US10886447B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2019 |
| Grant date | Jan 5, 2021 |
| Priority date | — |
| Expiry date | Sep 5, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/84
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A light emitting device including a first light emitting part including a first ohmic layer, a second light emitting part and including a second ohmic layer, a third light emitting part including first and second metal patterns respectively contacting semiconductor layers thereof, a first pad electrically coupled with the first ohmic layer, a second pad electrically coupled with the second ohmic layer, a third pad electrically coupled with the first metal pattern, a common pad electrically coupled with a semiconductor layer of the first and second light emitting parts and the second metal pattern, and a via structure electrically coupling the second metal pattern and the common pad between the second metal pattern and the common pad, in which the second metal pattern has a first portion contacting the first via structure and a second portion contacting the semiconductor layer of the third light emitting part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.