Bulb-type light source
US12345381B2 · kind B2 · utility
0Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 2024 |
| Grant date | Jul 1, 2025 |
| Priority date | — |
| Expiry date | Jun 11, 2044 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2201/10106
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting device includes a substrate having a plurality of flat portions and a non-flat portion disposed between the flat portions, a plurality of light emitting sources disposed on the substrate, a fluorescent substrate layer covering one or more light emitting sources and converting a wavelength of a light from the light emitting source, and a connection line disposed on the substrate and electrically connecting the light emitting sources adjacent to each other between the adjacent light emitting sources. The substrate has a first end and a second end are arranged at different distance from a central axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.