LED-filament and illuminant with LED-filament
US10415763B2 · kind B2 · utility
9Cited by
0References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 4, 2016 |
| Grant date | Sep 17, 2019 |
| Priority date | — |
| Expiry date | Feb 4, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A filament for a filament lamp includes a plurality of light emitting semiconductor chips, wherein the light emitting semiconductor chips are located on a carrier board, the light emitting semiconductor chips are electrically connected, and the carrier board is a flexible carrier board.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.