LED light bulb with a flexible LED filament
US10982817B2 · kind B2 · utility
0Cited by
5References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2019 |
| Grant date | Apr 20, 2021 |
| Priority date | — |
| Expiry date | Aug 9, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An light bulb, comprising: a bulb shell, a bulb base connected to the bulb shell; a stem connected to the bulb base and located in the bulb shell; and a flexible LED filament, disposed in the bulb shell, further comprising a plurality of supporting arms respectively comprising two ends, an end of each of the supporting arm is connected to the stem and another end of each of the supporting arm is connected to the flexible LED filament, wherein the stem comprises a stand extending to the center of the bulb shell, the stand supports the supporting arms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.