Visible light communication emission device with improved response frequency
US10110312B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2017 |
| Grant date | Oct 23, 2018 |
| Priority date | — |
| Expiry date | Apr 18, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/01335
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A visible light communication emission device with improved response frequency is provided, comprising a substrate, wherein an inductance coil module is provided on the substrate, a LED chip matrix formed by series connection of a plurality of LED chips is provided on the inductance coil module, and the inductance coil module and the LED chip matrix are connected in series, wherein inductance value L of the inductance coil module is configured to be: L=1/(ω2C), with C representing capacity in the device provided by LED chips and ω representing frequency, wherein the inductance coil module comprises more than one inductance coil whose composition materials from inside to outside are successively Cr, Al, Cr, Ti, and Ag.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.