Light emitting device and light emitting device package
US9112092B2 · kind B2 · utility
1Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2013 |
| Grant date | Aug 18, 2015 |
| Priority date | — |
| Expiry date | Mar 15, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/812
Abstract
Disclosed is a light emitting device and a light emitting device package. The light emitting device includes a substrate; a first conductive semiconductor layer on the substrate; an active layer on the first conductive semiconductor layer; and a second conductive semiconductor layer on the active layer, wherein the active layer includes: a plurality of barrier layers; and a plurality of well layers between the barrier layers, and wherein at least two of the barrier layers have different energy bandgaps and have different thicknesses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.