Illumination method using a light-emitting device
US11450789B2 · kind B2 · utility
2Cited by
8References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 24, 2016 |
| Grant date | Sep 20, 2022 |
| Priority date | — |
| Expiry date | Sep 20, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/77742
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
It is an object of the present invention to improve light source efficiency of “a light-emitting device capable of realizing a natural, vivid, highly visible and comfortable appearance of colors or an appearance of objects” already arrived at by adopting a spectral power distribution having a shape completely different from the shape of conventionally known spectral power distributions while maintaining favorable color appearance characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.