Light emitting device having current blocking layer
US9337236B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2013 |
| Grant date | May 10, 2016 |
| Priority date | — |
| Expiry date | Dec 4, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/8314
Abstract
A light emitting device includes a substrate, light emitting cells, each of the light emitting cells including a light emitting structure including lower and upper semiconductor layers, an upper electrode, and a lower electrode, a conductive interconnection layer electrically connecting a lower electrode of a first one of the light emitting cells and an upper electrode of a second one of the light emitting cells, and a current blocking layer disposed to extend from between the upper electrode and the upper semiconductor layer, wherein each light emitting cell further includes a conductive layer arranged to electrically connect the upper electrode of the second light emitting cell to the upper semiconductor layer of the second light emitting cell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.