Abstract: A highly compatible lighting device driver includes an input module, a rectification module, a driving control module, a power conversion module and an inductive module. The input module couples an input signal. The rectification module is connected to the input module, and rectifies the input signal to generate a rectified signal. The driving control module is connected to the rectification module, and includes a control unit and a signal identification unit connected to each other. The power conversion module is connected to the driving control module, the control unit, and a load. The inductive ballast mode control module is connected to the input module, the rectification module, and the load.

Abstract: A power controller includes a signal identification element including a low-frequency signal identifier, a switch driver, a switch element. The low-frequency signal identifier includes a comparator, a rising-edge trigger, a falling-edge trigger, a counting unit, and a latch. The comparator receives a second input signal and compares the second input signal with a first reference voltage to generate a comparison signal. The rising-edge trigger and the falling-edge trigger receive the comparison signal. The counting unit includes a counting element and an OR gate. The OR gate generates a logic signal according to the outputs of the rising-edge trigger and the falling-edge trigger, and the counting element generates a count output signal accordingly. The latch determines whether the second input signal is a direct-current signal or a power-frequency signal according to the logic signal and the count output signal l, thereby controlling the switch driver to operate the switch element.

Abstract: The disclosure provides a lighting adjustment circuit, which includes a driving power source, a switching circuit, a low color temperature light source, and a high color temperature light source. The switching circuit is connected to the driving power source. The low color temperature light source is connected to the driving power source and the switching circuit. The high color temperature light source is connected to the driving power source and the switching circuit. The color temperature of the high color temperature light source is greater than the color temperature of the low color temperature light source. The switching circuit is switched to make the driving power source form three current loops to drive the low color temperature light source and the high color temperature light source.

Abstract: A downlight with screw-free fixation structure includes a lamp body and a light source board. The lamp body has a central hole, an inner ring body, and a plurality of protrusions. The inner ring body is disposed on the inner edge of the lamp body to partially cover the central hole. The protrusions are distributed along the inner edge of the lamp body and surrounding the central hole. A plurality of slots are formed respectively between the protrusions and the inner ring body. The light source board is disposed on the inner ring body and within the central hole, and engaged with the multiple slots. The light source board is disc-shaped.

Abstract: An emergency lighting device having an emergency test function includes an emergency test switch, an input circuit, a processing circuit, an emergency circuit, and a load. The input circuit has a first pin, a second pin, a third pin, and a fourth pin. The first pin is connected to the live-wire output terminal of an external power source via a main switch. The second pin is connected to the live-wire output terminal. The third pin is connected to the neutral-wire output terminal of the external power source via the emergency test switch. The fourth pin is connected to the neutral-wire output terminal. The processing circuit is connected to the input circuit. The emergency circuit is connected to the processing circuit. The load is connected to the emergency circuit.

Abstract: The present invention discloses a lighting device with a flexible circuit board connection structure, which includes a backboard, a plurality of light source board, and a flexible circuit board. The light source boards are fixed to one side of the backboard, and each of the light source boards includes a plurality of electrodes. The flexible circuit board includes a plurality of soldering structures corresponding respectively to the light source boards, and each of the soldering structures includes a plurality of soldering pads. The electrodes of each of the light source boards are respectively soldered to the pads of the soldering structure corresponding thereto.

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.