Light-emitting device having dissimilar first and second light-emitting angles
US10586902B2 · kind B2 · utility
0Cited by
17References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2018 |
| Grant date | Mar 10, 2020 |
| Priority date | — |
| Expiry date | Dec 27, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/857
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light-emitting device includes a light-emitting structure with a side surface, and a reflective layer covering the side surface. The light-emitting structure has a first light-emitting angle and a second light-emitting angle. The difference between the first light-emitting angle and the second light-emitting angle is larger than 15°.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.