Abstract: The present disclosure provides a lighting device including a lighting controller, an LED lamp, and a brightness controlling module. The lighting controller is configured for sending first control signals to the LED lamp and the brightness controlling module. The first control signals include an identity of the LED lamp and instruction information for turning on and off the LED lamp. The brightness controlling module is configured for receiving the first control signals sent by the lighting controller and obtaining a previously-stored telegraph code corresponding to the identity of the LED lamp when successively receiving the first control signals instructing to turn on, off, and on the LED lamp within a predetermined time period. The brightness controlling module is configured to adjust a brightness of the LED lamp according to the telegraph code and send out the telegraph code in a manner by changing the brightness of the LED lamp.

Abstract: An intelligent lighting control system is provided. The system includes at least one smart lighting device, including a control module, a lighting module, a microphone module and a wireless communication module, where the control module is connected to the lighting module, the microphone module, and the wireless communication module, respectively; the microphone module is configured to receive a voice instruction from a user and send the voice instruction to the control module; and the control module is configured to convert the voice instruction to a voice data signal. The system also includes a cloud server configured to perform voice recognition analysis on the voice data signal, convert the voice data signal to a control signal, and send the control signal to at least one smart home device. Further, the system includes the at least one smart home device configured to receive the control signal and perform a corresponding function.

Abstract: The present disclosure provides a dimming circuit for SCR dimmer (silicon-controlled rectifier) circuit. The dimming circuit includes a signal conversion circuit for converting an input signal to a sine-wave voltage signal and output the sine-wave voltage signal to a current sampling end of a power factor correction circuit. The dimming circuit also includes the power factor correction circuit to receive the sine-wave voltage signal for correcting power factor. A biasing current is generated according to the input signal and is positively correlated to the input signal, and a sine-wave current signal corresponding to the sine-wave voltage signal is a sum of the biasing current and a primary current of a transformer in the power factor correction circuit.

Abstract: The present disclosure provides a first LED lighting device. The first LED lighting device includes a lighting source, a first detecting module, a first processing module, a first wireless communication module for communicating with a wireless router in an LED lighting device-based wireless mesh network, and a second wireless communication module for communicating with at least one second lighting device in the LED lighting device-based wireless mesh network. The first detecting module receives a detection request sent by the second wireless communication module and detects a signal strength of the wireless router based on the detection request. The first processing module sends a start signal to the first wireless communication module. The first wireless communication module receives the start signal, forms a connection with the wireless router based on the start signal, and sends an LED network-forming request to the second wireless communication module.

Abstract: Antenna-containing LED lighting devices, systems and configuring methods are provided. An exemplary LED lighting device includes an LED light source component unit and an LED driving circuit and power supply unit configured to drive the LED light source component unit and to power the LED lighting device. The LED lighting device further includes a heat sink, an RF antenna, and an RF circuit. The RF antenna is configured to have an antenna top plane containing a highest point of the RF antenna coplanar with or lower than a heat sink top plane containing a highest point of the heat sink. The RF antenna is configured without affecting a light-emitting path from the LED light source component unit.

Abstract: The present disclosure provides a smart lighting device, and a smart lighting control system and method. The smart lighting device includes a human detection module, a control module, and a microphone module. The microphone module has operation modes including a sleep mode and a monitor mode. The human detection module detects whether a human appears in a surrounding area of the smart lighting device in real-time, and sends a detection signal to the control module when a human appearance is detected. The control module receives and sends the detection signal to the microphone module to switch from a sleep mode to a monitor mode. When receiving a control signal from the control module, the microphone module switches to the monitor mode and collects audio signals in the surrounding area of the smart lighting device. The smart lighting device further includes a wireless communication module for wireless communication.

Abstract: The present disclosure provides a wireless network system and a smart device management method using LED lighting devices. The wireless network system includes a wireless router and a plurality of LED lighting devices with WI-FI modules that have wireless access and network switch capabilities. Through the WI-FI modules, the LED lighting devices may access the wireless network provided by the wireless router or the WI-FI modules of any other LED lighting devices that have been wirelessly connected to the wireless router. The network address of the wireless router and the network addresses of the LED lighting devices are in the same network segment. The present disclosure provides a wireless switch cascade method. The WI-FI module of the LED lighting device has wireless switch capabilities, allowing the IP address of the accessed devices and the module itself to be in the same network segment, and enabling centralized control of the connected devices.

Abstract: A wirelessly-controlled lighting device and method with an audio playing function is provided. The wirelessly-controlled lighting device includes a lighting assembly, an audio playing module, a first Bluetooth module connecting with the lighting assembly and the audio playing module and a second Bluetooth module connecting with the audio playing module. The first Bluetooth module is configured to receive a control signal from an external device, the control signal including a first control signal used to control the lighting assembly and a second control signal used to control the audio playing module. The second Bluetooth module is configured to receive audio data from the external device to transmit the audio data to the audio playing module for audio playing. The audio playing is controlled according to the second control signal received by the first Bluetooth module.

Abstract: The present disclosure provides a wireless music-modulated lighting method using LED lighting devices and a system thereof. The system comprises a main LED lighting device including a power drive module, a wireless RF module and a wireless audio module; and secondary LED lighting devices including a power drive module and a wireless audio module; a wireless router and a smart terminal. The main LED lighting device and the smart terminal access a wireless network through the wireless router. Audio signals sent by the smart terminal are transmitted to the main LED lighting device through the wireless router, and to the secondary LED lighting devices through the wireless audio module. The lighting devices are provided with a control unit configured to output different PWM or PFM light-adjusting signals to the power drive module according to different music, therefore changing lighting color and color temperature of the lighting devices.

Abstract: A dimmable light emitting diode (LED) lamp is provided. The dimmable LED lamp includes an alternating current (AC) input unit and at least one AC detection unit connected to the AC input unit. The dimmable LED lamp also includes at least one LED driving and power supply unit and at least one LED light source assembly, where the LED driving and power supply unit is connected to the LED light source assembly. Further, the dimmable LED lamp includes at least one controller with a pulse width modulation (PWM) output, wherein the AC detection unit is connected to the controller, and the controller is connected to the LED driving and power supply unit.