Light-emitting device
US9997687B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 9, 2017 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Jan 9, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/832
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A light-emitting device comprising: a supportive substrate; a transparent layer formed on the supportive substrate, and the transparent layer comprising conductive metal oxide material; a light-emitting stacked layer comprising an active layer formed on the transparent layer; and an etching-stop layer formed between the light-emitting stacked layer and the supportive substrate and contacting the transparent layer, wherein a thickness of the etching-stop layer is thicker than that of the transparent layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.