LED driving power supply based on 2.4G remote controlling adjustment of brightness and color temperature
US10314124B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2018 |
| Grant date | Jun 4, 2019 |
| Priority date | — |
| Expiry date | Jul 13, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B47/24
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An LED driving power supply based on 2.4 G remote controlling adjustment of brightness and color temperature, comprising: an LED driving circuit, connected between an output end of an AC power supply and an LED light source, and the LED light source comprises at least two sets of LED lamp strings with different color temperatures connected in parallel; a brightness adjustment circuit, connected to the LED driving circuit, for adjusting the current input to the LED light source by the LED driving circuit according to an input PWM signal; a color temperature adjustment circuit, connected to a loop of the LED driving circuit and the LED light source, for adjusting the current input to each LED lamp string according to an input PWM signal; a main control circuit, respectively outputting PWM signal to the brightness adjustment circuit and/or the color temperature adjustment circuit to control the operation of both.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.