LED light bulb having filament with conductive section providing with rivet structure
US10944028B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2019 |
| Grant date | Mar 9, 2021 |
| Priority date | — |
| Expiry date | Sep 22, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/8513
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An LED light bulb, comprising of: a lamp housing; a bulb base connected to the lamp housing; a stem connected to the bulb base and located in the lamp housing, the stem comprises a stand extending to the center of the lamp housing; a single LED filament, disposed in the lamp housing, the LED filament comprising: a plurality of LED sections, each of the LED sections includes at least two LED chips that are electrically connected to each other; a plurality of conductive sections, each of the conductive sections is located between the two adjacent LED sections and configured to electrically connect the two adjacent LED sections, each of the conductive sections includes at least one conductor that connects the two adjacent LED sections, each of the conductor has at least one through hole; a light conversion layer comprising a base layer and a top layer, wherein the base layer of the light conversion layer is filled into the through hole of the conductor and then contacting the surface of the top layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.