Light-emitting device
US9985074B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2016 |
| Grant date | May 29, 2018 |
| Priority date | — |
| Expiry date | Nov 7, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/0002
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A light-emitting device is introduced herein. The light-emitting device comprises a first light-generating active layer and a second light-generating active layer stacked in a vertical direction on a substrate wherein the first light-generating active layer and the second light-generating active layer emit light having substantially the same wavelength, and wherein the substrate, the first light-generating active layer, and the second light-generating active layer are formed together in a chip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.