US Patent 10945317 Five color temperature switching circuit

A five color temperature switching circuit includes a power supply, an LED driver, a first LED light, a second LED light, a third LED light, a first diode, a second diode, a third diode, a fourth diode, and a switch. The switch has twelve connecting ports. The switch has five regulating stages corresponding to the twelve connecting ports. Thus, the five color temperature switching circuit is provided with three LED lights with three different color temperature values, four diodes, and the switch, such that the lamp provides an illuminating function with five color temperature values.