Light-emitting device and head lamp for vehicles including the light emitting device
US11735698B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2021 |
| Grant date | Aug 22, 2023 |
| Priority date | — |
| Expiry date | Dec 10, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/8513
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light-emitting device is provided. The light-emitting device includes a plurality of first light-emitting structures provided in a first light-emitting pixel region; a plurality of second light-emitting structures provided in a second light-emitting pixel region adjacent to the first light-emitting pixel region; a barrier wall structure defining a plurality of regions in the first light-emitting pixel region and a single region in the second light-emitting pixel region; a first fluorescent layer provided in the plurality of regions; and a second fluorescent layer provided in the single region. The first fluorescent layer and the second fluorescent layer have different shapes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.