Abstract: A dimmable lamp tube is provided, which includes a first lamp head, a second lamp head and a lamp tube body. The first lamp head has a brightness adjustment switch. The second lamp head has a power adjustment switch. The lamp tube body includes a circuit board and a plurality of light-emitting elements. The light-emitting elements are disposed on the circuit board. The circuit board includes a brightness adjustment switch connection terminal and a power adjustment switch connection terminal. The brightness adjustment switch is connected to the brightness adjustment switch connection terminal and the power adjustment switch is connected to the power adjustment switch connection terminal.

Abstract: A high-compatibility lighting dimmer is provided, which includes an impedance inspection avoidance module, a dimming operation module, an alternating-voltage input module and a dimming control module. The impedance inspection avoidance circuit is connected to a load via an output end. The dimming operation module is connected to the impedance inspection avoidance module and includes a control unit. The alternating-voltage input module is connected to the dimming operation module and converts an input alternating voltage into a pulsating direct voltage to power the load and the dimming operation module. The dimming control module is connected to the control unit and transmits a dimming signal to the control unit. When the load is driven, the control unit starts timing and switches the impedance inspection avoidance module after a predetermined time period, whereby the dimming operation module directly powers the load and performs dimming for the load according to the dimming signal.

Abstract: A lamp tube with anti-shock protection and compatible with a plurality of current stable power supply modes is provided. The lamp tube includes a plurality of lighting loads and a control circuit. The control circuit includes an electric shock protection circuit, a filtering and constant current driving circuit, an electronic rectifier circuit and a fast-start inductive rectifier detection and driving circuit.

Abstract: An always-on lighting device having multiple power controllers is provided, which includes a first power controller, a first light source, a second power controller and a second light source. The first power controller and the second power controller execute an alternate mode. In the alternate mode, the first power controller keeps the first light source in on state within a predetermined time period. Then, the first power controller turns off the first light source after the predetermine time period passes and transmits a control signal to the second power controller, such that the second power controller keeps the second light source in on state within the predetermined time period.

Abstract: A high-compatibility dimmer circuit is provided, which includes an impedance inspection avoidance module, a dimming module and an alternating-current input module. The impedance inspection avoidance module is connected to a load via an output end. The dimming module is connected to the impedance inspection avoidance module and includes a control unit. The alternating-current input module is connected to the dimming module, and converts an input alternating voltage into a pulsating direct voltage so as to power the load and the dimming module. When the load is driven, the control unit starts timing and switches the impedance inspection avoidance module after a predetermined time period. In this way, the dimming module can directly power the load and perform dimming for the load according to a dimming signal.

Abstract: A lighting system having multiple light sources is provided, which includes a first light source and a second light source. The first light source includes a first control module, a second memory module, a first lighting-emitting module and a first detection module. The second light source includes a second control module. When the first light source and the second light source are electrically connected to a power source, the first control module and the second control module turn off the first light source and the second light source respectively. The first control module reads the data of the first memory module of the first light source to determine whether the first light source malfunctions, and turns on the first light-emitting module when the first control module determines that the first light source does not malfunction. Then, the first detection module keeps detecting whether the first light source malfunctions.

Abstract: A lamp tube with anti-shock protection and compatible with a plurality of current stable power supply modes is provided. The lamp tube includes a plurality of lighting loads and a control circuit. The control circuit includes an electric shock protection circuit, a filtering and constant current driving circuit, an electronic rectifier circuit and a fast-start inductive rectifier detection and driving circuit.

Abstract: A first lamp tube includes a first lamp housing, a plurality of first light-emitting elements disposed within the first lamp housing, a first lamp head connected to the first lamp housing, and a color temperature switch module disposed on the first lamp head. A second lamp tube includes a second lamp housing, a plurality of second light-emitting elements disposed within the second lamp housing, a second lamp head connected to the second lamp housing, and a power adjustment terminal disposed on the second lamp head configured to be connected to an external power adjustment device. A coupling assembly is disposed between the first lamp housing and the second lamp housing to fix the first lamp housing to the second lamp housing, and electrically connect the first lamp tube to the second lamp tube.

Abstract: A protection system for a lamp is provided. One or more control circuit boards and one or more thermal devices are disposed in the lamp. The control circuit board has an electrical circuit. The thermal device is disposed on the control circuit board and connected to the electrical circuit. The thermal device is attached to one or more thermal fuses with a binding member. Accordingly, the safety of the driving power supply can be increased. Moreover, the thermal fuse not only provides protection for the inputs of the driving power supply, but also provides protection for other main or branch circuits.

Abstract: A dimmable light tube with anti-electric shock protection function includes two conductive pin assemblies, a bridge rectifier, an anti-electric shock detection control circuit, and a buck-boost constant current module. The bridge rectifier is connected to the conductive pin assemblies. The anti-electric shock detection control circuit is connected to the bridge rectifier, and the anti-electric shock detection control circuit has an output end and a resistor. The input end of the buck-boost constant current module is connected to the output end and the driving module is connected to the resistor so as to perform the leakage control function. The current conduction angle of the current generated by the transmission of the anti-electric shock detection control circuit can be changed by the buck-boost constant current module, so that the dimming function can be provided.

Abstract: A lamp with anti-shock protection and compatible with a plurality of power supply modes is provided. The lamp includes a plurality of lighting elements and a control circuit. The control circuit includes an electric shock protection circuit, a filtering and constant current driving circuit, a type A electronic rectifier circuit and a fast-start inductive rectifier detection and driving circuit. The fast-start inductive rectifier detection and driving circuit includes a first resistor R11, a TVS1 and a PTC resistor. The PTC resistor is electrically connected in series with the TVS1. The first resistor R11 is connected in parallel to both ends of the TVS1 as a dummy load. The input voltage rectification and voltage clamping module rectifies the input AC voltage to convert it to pulsating DC voltage and then clamps the rectified pulsating DC voltage as the power supply for the signal transmission component U1.

Abstract: A lamp socket of a color temperature adjustable lamp tube includes a housing and a color temperature adjustment member. The color temperature adjustment member is disposed on the housing and is connected to a plurality of light emitting members corresponding to two or more color temperatures. The color temperature adjustment member is provided for switching the light emitting members to change the color temperature of a light.

Abstract: A dimmable light tube with anti-electric shock protection function includes two conductive pin assemblies, a bridge rectifier, an anti-electric shock detection control circuit, and a buck-boost constant current module. The bridge rectifier is connected to the conductive pin assemblies. The anti-electric shock detection control circuit is connected to the bridge rectifier, and the anti-electric shock detection control circuit has an output end and a resistor. The input end of the buck-boost constant current module is connected to the output end and the driving module is connected to the resistor so as to perform the leakage control function. The current conduction angle of the current generated by the transmission of the anti-electric shock detection control circuit can be changed by the buck-boost constant current module, so that the dimming function can be provided.

Abstract: A light tube with anti-electric shock protection function and capable of being supplied with electricity by electrical ballast and alternate-current power supply in working frequency includes two conductive pin assemblies, a bridge rectifier, an anti-electric shock detection control circuit, a direct-current filtering circuit, a bleeder resistor, a buck-boost constant current module, and a rectifier. The direct-current filtering circuit is connected to the anti-electric shock detection control circuit and the bleeder resistor. The direct-current filtering circuit performs a smoothing procedure to a direct-current pulse voltage signal which is rectified by the bridge rectifier, the direct-current filtering circuit generates a false voltage to the anti-electric shock detection control circuit, and the bleeder resistor reduces the false voltage. The rectifier is connected to the bridge rectifier to receive a rectifier circuit, and the electrical ballast inputs the voltage signal to the bridge rectifier.

Abstract: A protection system for a lamp is provided. One or more control circuit boards and one or more thermal devices are disposed in the lamp. The control circuit board has an electrical circuit. The thermal device is disposed on the control circuit board and connected to the electrical circuit. The thermal device is attached to one or more thermal fuses with a binding member. Accordingly, the safety of the driving power supply can be increased. Moreover, the thermal fuse not only provides protection for the inputs of the driving power supply, but also provides protection for other main or branch circuits.

Abstract: A driving circuit device for anti-leakage LED tube with dual-end input is provided. Two ends of the LED tube have two conductive pin assemblies electrically connected to mains supply. Each of the conductive pin assemblies includes two pins. One of the conductive pin assemblies is connected to an input bridge rectifier and has an output end. A constant current module has an input end. The input end of the constant current module is connected to the output end of the anti-leakage detection module. The anti-leakage detection module is provided for detecting a current state. A current is controlled to be outputted from the output end and to be inputted into the input end according to the current state, and the constant current module is changed to output a loop current not exceeding a rated standard.

Abstract: An LED tube with built-in driving power module is provided. Each of two ends of the LED tube has a conductive component electrically connected to mains supply. The conductive component at least includes a conductive pin assembly and a sleeve member for disposing the conductive pin assembly. The driving power module is formed by circuit boards, and the circuit boards are disposed in the sleeve member. Each of the circuit boards at least includes a functional operation unit, and the circuit boards are in series connection via one or more electrical connection members. The capacity space at both ends of the sleeve of LED tube is used to concentrate each circuit board in order to make full use of the capacity space. Meanwhile, the larger sleeve mold structure is avoided to cause the change of product appearance and increase the project development cost.

Abstract: A driving circuit device for anti-leakage LED tube with dual-end input is provided. Two ends of the LED tube have two conductive pin assemblies electrically connected to mains supply. Each of the conductive pin assemblies includes two pins. One of the conductive pin assemblies is connected to an input bridge rectifier and has an output end. A constant current module has an input end. The input end of the constant current module is connected to the output end of the anti-leakage detection module. The anti-leakage detection module is provided for detecting a current state. A current is controlled to be outputted from the output end and to be inputted into the input end according to the current state, and the constant current module is changed to output a loop current not exceeding a rated standard.

Abstract: An optical communication lamp device is provided and the lamp device includes an emitting-end driving controller, a power unit, and a light emitting element. The light emitting element is electrically connected to the emitting-end driving controller and the power unit. The emitting-end driving controller receives an electrical signal to control the light emitting element.

Abstract: The invention is a dimmable lamp switch control device, including: a rectifier bridge module is connected to the conductive pin sets and can enter at least one voltage signal. A filter circuit module has a circuit guard unit connects to a backflow prevention steady voltage filter circuit module, which can play a role in surge voltage absorption and prevent damage from excessive surge voltage connected to the output of a backflow prevention steady voltage filter circuit module. A PWM dimming control unit of a buck-boost constant current module is connected to the dimming signal identification and control circuit module for dimming control. An anti-electricity shock detection control circuit module based on the output signal of the rectifier bridge module to reduce the PWM signal of the buck-boost constant current module to avoid a greater electric shock currents.