Abstract: A lighting device includes a dimming module, a control module, a rectifier module and a light-emitting module. The control module is connected to the dimming module and saves a lookup table. The rectifier module is connected to the dimming module and control module. The rectifier module generates a rectified voltage to drive the dimming module and control module. The light-emitting module is connected to the dimming module and control module. The control module outputs an initial dimming signal to control the dimming module to output an initial drive signal so as to drive the light-emitting module. The control module detects the current operating voltage of the light-emitting module, and compares the current operating voltage with the lookup table to generate a target dimming signal corresponding thereto, such that the dimming module is controlled by the target dimming signal to generate a target driving signal to drive the light-emitting module.

Abstract: A lighting device with easy installation functionality includes a light-emitting module, two lamp heads, and two lamp head clamps. The light-emitting module has a driver disposed therein. Each lamp head has a connection hole on one side thereof for connecting to one end of the light-emitting module. Each lamp head has a chamber disposed therein and communicating with the connection hole, and the inner wall of each lamp head is provided with a plurality of glue grooves. The two lamp head clamps are sleeved on the lamp heads respectively. The glue is applied inside the lamp heads to achieve sealing, and the glue grooves inside the lamp heads ensure waterproofing and safety reliability. Additionally, the lamp head clamps press tightly on the exterior of the lamp heads so as to effectively prevent sealing failure due to external environmental impacts.

Abstract: An intelligent modularized multi-function lighting device includes a rectifying module, a voltage converting module, an electricity output module, a direct-current converting module, a lighting module and an external functional module. The rectifying module is connected to an external power source. The voltage converting module is connected to the rectifying module. The electricity output module is connected to the voltage converting module, and has a positive electrode output end and a negative electrode output end. The direct-current converting module is connected to the rectifying module, and has a direct-current output end, a signal output end and a grounding end. The lighting module is connected to the positive electrode output end and the negative electrode output end. The external functional module is detachably connected to the direct-current output end, the signal output end and the grounding end via the lighting module.

Abstract: A lighting device with adaptive power adjustment function includes a constant-voltage isolation circuit, a DC/DC constant-current power circuit, a controller and a load. The constant-voltage isolation circuit is connected to an external power source. The DC/DC constant-current power circuit is connected to the constant-voltage isolation circuit. The controller is connected to the DC/DC constant-current power circuit. The load includes a plurality of load units. The load is connected to the controller and the DC/DC constant-current power circuit. The controller detects the operational status of each of the load units to generate a detection result, and controls the DC/DC constant-current power circuit according to the detection result so as to adjust a total output power.

Abstract: A light-emitting diode (LED) tube light having a flexible circuit board connection structure includes a light source board, a power board and a flexible circuit board. The flexible circuit board has a first end and a second end. The first end is electrically connected to the light source board. The second end has a welding portion, and the second end is electrically connected to the power board via the welding portion. The flexible circuit board includes a plurality of connection portions and the connection portions are curved in shape, whereby the flexible circuit board is wavy. The above structure can significantly reduce the manufacturing cost of the LED tube light and increase the production efficiency of the LED tube light.

Abstract: A lighting device includes a suspension structure and a light tube. The suspension structure includes a flat plate member, a clamp member, and a fixing member. The flat plate member has a first hole disposed at one end of the flat plate member. The clamp member is disposed on one side of the flat plate member, and includes a main body and two wing portions respectively disposed at two ends of the main body. The main body has a rotation hole, and each of the wing portions has a bent portion. The fixing member passes through the rotation hole and the first hole, such that the clamp member is rotatably fixed to the flat plate member. The light tube includes a tube body having two grooves. The bent portions of the wing portions are embedded in the grooves respectively.

Abstract: A light-emitting diode (LED) with high reliability includes a first solder pad, a second solder pad and a plurality of LED dies. The LED dies are connected to each other in parallel and each of the LED dies has a positive electrode and a negative electrode. The positive electrode and the negative electrode of any one of the LED dies are respectively connected to the negative electrode and the positive electrode of the LED die adjacent thereto via two first conductive wires. The positive electrode and the negative electrode of one of the LED dies are respectively connected to the first solder pad and the second solder pad via two second conductive wires. The special parallel connection structure of the LED can achieve high reliability and satisfy the requirements of environmental protection.

Abstract: A three-dimensional (3D) plant growth lighting system includes a top lighting module, a lateral lighting module and a bottom lighting module. The top lighting module is disposed on the top of a plant chamber and the plant chamber contains a plant. The lateral lighting module is disposed on one side of the plant chamber. The bottom lighting module is disposed on a bottom of the plant chamber. The controller is connected to the top lighting module, the lateral lighting module and the bottom lighting module so as to control the top lighting module, the lateral lighting module and the bottom lighting module.

Abstract: A lighting device control system includes an active function detecting device and a control device. The active function detecting device is connected to an external power source and a lighting device, and includes an active detecting signal generating module and a function detecting module. The active detecting signal generating module transmits a dimming signal and a color temperature signal to the lighting device. The active detecting module detects the input current of the lighting device and the color temperature of the light emitted by the lighting device so as to generate a dimming function detecting result and a color temperature adjusting function detecting result. The control device generates a function analysis result according to the dimming function detecting result and the color temperature adjusting function detecting result, and display a control page corresponding to the function analysis result according to the function analysis result.

Abstract: A lighting device power supplying system having switching mechanism includes a plurality of power controllers and each of the power controllers includes a driving module, a sampling module and a control module. The driving module generates a driving voltage to drive a lighting module. The sampling module samples the driving voltage to generate a sampled voltage. The control module compares the sampled voltage with a default oscillation frequency range and a default oscillation amplitude threshold. The control module generates an abnormal detecting result when the oscillation frequency of the sampled voltage is not within the default oscillation frequency range or when the oscillation amplitude of the sampled voltage exceeds the default oscillation amplitude threshold.

Abstract: A lighting device includes a light source positive electrode, light source negative electrode, driving power source, substrate, first connecting portion, second connecting portion and light-emitting module. The driving power source has a power source positive electrode and power source negative electrode. The substrate has a light source connecting portion and electrical connecting portion connected to each other. The electrical connecting portion is connected to the power source negative electrode. One end of the first connecting portion is connected to the power source positive electrode. The two ends of the second connecting portion are connected to the other end of the first connecting portion and the light source positive electrode. The light-emitting module includes a first light source module and a second light source module. The first light source module and the second light source module are connected to the light source positive electrode and the light source connecting portion.

Abstract: The present invention discloses a lighting system with illumination range adjustment function based on radio frequency signal control, which includes a radio frequency control module, first light-emitting module and second light-emitting module. The radio frequency control module is disposed at a central point and generates a radio frequency control signal. The first light-emitting module receives the radio frequency control signal. A first reference circle passes through the first light-emitting module, and the center thereof coincides with the central point. The second light-emitting module receives the radio frequency control signal. A second reference circle passes through the second light-emitting module, and the center thereof coincides with the central point. The first light-emitting module is activated when the signal strength of the radio frequency control signal exceeds a threshold value.

Abstract: A modular lighting device includes a power supply module and a light source module. The power supply module includes an input unit connected to a constant-voltage power source and having positive and negative terminals. The light source module includes a first terminal, a second terminal, a plurality of light sources and a constant-current control unit. The constant-current control unit includes a driving switch, a control switch and a first resistor. The first and second terminals are connected to the positive and negative terminals. The light sources form a serial circuit having a power supply node connected to a first node and the first terminal. The driving switch is connected to the first node, the serial circuit, and a second node. The control switch is connected to the second node, first node, and second terminal. The first resistor is connected to the second node and second terminal.

Abstract: The disclosure discloses a lighting device based on self-learning lighting group control mechanism and the method thereof. The lighting device includes a detection module, a communication module and a processing module. The communication module receives a first broadcast signal having a first identifier. The processing module is connected to the detection module and the communication module. The processing module generates a time window and a learning item according to the time point at which the first broadcast signal is received and the signal strength of the first broadcast signal. The processing module increases the memory depth of the learning item when the detection module detects a moving object within the time window.

Abstract: A highly compatible power controller includes a signal identification element with a high-frequency signal recognizer, a switch driver, and a switch element. The high-frequency signal recognizer includes a signal input terminal, signal adjuster, first timer, second timer, AND gate, and latch. The input terminal receives a first input signal, forwarded to the signal adjuster, which generates an adjusted signal for the first timer. The first timer detects the adjusted signal's frequency within a preset detection window, producing a first detection signal sent to the AND gate. Simultaneously, the second timer generates a second detection signal based on the first input signal and a voltage startup threshold, also transmitted to the AND gate. The AND gate outputs a first logic signal to the latch, which then controls the switch driver to turn the switch element on or off.

Abstract: A highly compatible power controller includes a signal identification element, a switch driver, a switch element. The signal identification element includes a high-frequency signal identifier for receiving a first input signal. The switch driver is connected to the high-frequency signal identifier. The switch element is connected to the switch driver. The high-frequency signal identifier executes a counting process within a preset time interval. The counting process includes a preset number of counting cycles for detecting the number of sine waves in the first input signal. The high-frequency signal identifier generates a conduction signal when the number of sine waves in any one of the counting cycles is greater than or equal to a preset threshold, and the switch driver activates the switch element according to the conduction signal.

Abstract: A high-compatibility multifunctional lighting device includes a first rectification module, a signal isolation module, an electromagnetic compatibility module, a rear-stage constant current module, a second rectification module and a load. The first rectification module is connected to the first live wire input terminal and the first neutral wire input terminal of an external power supply. The signal isolation module is connected to the first rectification module. The electromagnetic compatibility module is connected to the signal isolation module. The rear-stage constant current module is connected to the electromagnetic compatibility module. The second rectification module is connected to the second live wire input terminal and the second neutral wire input terminal of the external power supply. The second rectification module is connected to the rear-stage constant current module, and connected in parallel with the first rectification module. The load is connected to the rear-stage constant current module.

Abstract: A boost conversion circuit includes a switch, a first diode, a first inductor, a first capacitor, a first energy storage module and a second energy storage module. When the switch is turned on, a voltage source charges the first inductor, the first capacitor, and the second energy storage module. When the switch is turned off, the second energy storage module charges the first energy storage module, and the load is simultaneously driven by the first capacitor and the first energy storage module. Via the above circuit operation mechanism, the first capacitor and the first energy storage module can drive a load requiring a high driving voltage, such that the load can achieve higher power.

Abstract: An LED lighting device includes a power supplier, a flexible board and a plurality of light sources. The flexible board is electrically connected to the power supplier, and includes a substrate and a laminated structure. The laminated structure is disposed on the first surface of the substrate and includes a transparent ink layer and a first protective layer. The transparent ink layer is disposed on the first protective layer. The light sources are disposed on the laminated structure and electrically connected to the flexible board.