Light-emitting device
US9306115B1 · kind B1 · utility
3Cited by
4References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 10, 2015 |
| Grant date | Apr 5, 2016 |
| Priority date | — |
| Expiry date | Feb 10, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/831
Abstract
A light-emitting device, comprises: a substrate; and an active structure on the substrate and comprising a well layer and a barrier layer, wherein the well layer comprises multiple different elements of group VA; wherein the well layer and the barrier layer each has a residual compressive stress, and the residual compressive stress of the well layer is larger than the residual compressive stress of the barrier layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.