Holiday LED lighting system and methods of use
US8680773B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 24, 2011 |
| Grant date | Mar 25, 2014 |
| Priority date | — |
| Expiry date | May 16, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49117
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a decorative light string system comprising a light string comprising a plurality of lighting bulbs arranged electrically in series, wherein each light bulb comprises at least two LED chips, wherein half of said LED chips are connected in parallel and wherein half of said LED chips are connected in reverse parallel; and an adapter comprising a rectifier, wherein when the plug of the light string is plugged into the outlet adapter in a first orientation, the rectifier allows passage of a half-rectified wave lighting the LEDs connected in parallel, and wherein when the plug of the light string is plugged into the outlet adapter in a second orientation, the rectifier allows passage of a half-rectified wave lighting the LEDs connected in reverse parallel. Also included are methods of using said adapter and said decorative light string system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.