Abstract: A LED circuit includes an inner resistor, an ADC circuit, a drive circuit, and a current source. The inner resistor has a first terminal and a second terminal, the first terminal is connected to an input terminal of a power wire, and the second terminal is connected to the output terminal of the power wire. The input terminal is coupled to a controller, and receives a voltage signal generated by the controller, and an inner voltage is provided at the first terminal or the second terminal of the inner resistor. The ADC circuit receives the inner voltage. The drive circuit externally receives the voltage signal through the power wire. When the drive circuit performs a sequence mode according to a specific signal, the ADC circuit performs an analog-to-digital conversion to the inner voltage to generate a digital sequence number, and the drive circuit stores the digital sequence number.

Abstract: A light-emitting diode lamp string system includes a light-emitting diode lamp string and a control apparatus. The light-emitting diode lamp string includes a plurality of light-emitting diode lamps. The light-emitting diode lamp includes a first controller, a power circuit, an impedance-balancing unit, and a plurality of light-emitting diodes. The control apparatus is used to receive a direct-current power and includes a controller, a controlled switch, and an impedance component. When the controller performs a lighting mode, the controller switches the controlled switch to turn on or off the controlled switch. The impedance-balancing unit adjusts an impedance of the light-emitting diode lamp to a fixed impedance based on the direct-current power received by the light-emitting diode lamp, so that a voltage of each of the light-emitting diode lamps is similar.

Abstract: An LED equipment with constant voltage control receives a DC voltage and includes a first controller, at least one LED, at least one switch and a voltage control circuit. The first controller includes a positive end and a negative end, and the positive end receives the DC voltage. The LED includes an anode end and a cathode end, and the LED is correspondingly coupled in series with the switch, so that a number of the LED corresponds to the number of switch. The voltage control circuit is coupled to the positive end and the negative end, and the voltage control circuit controls a voltage across the positive end and the negative end to a fixed voltage, so that a first current flowing through the LED inside each LED equipment is consistent.

Abstract: An LED string control system includes an LED string and a control module. The control module provides a first voltage level according to a first digital logic of a light command, and provides a second voltage level according to a second digital logic of the light command to form a control signal. Based on consecutive first digital logics and/or second digital logics of the light command, the control module adjusts a voltage level of the control signal to a third voltage level as a distinction voltage level for distinguishing two consecutive first digital logics and/or two consecutive second digital logics.

Abstract: An LED string control system includes an LED string and a control module. The LED string incudes a plurality of LED modules. The control module is coupled to the LED modules, and provides a control signal to control the LED modules to generate lighting behavior based on a light command. The light command is composed of a plurality of first digital logics and a plurality of second digital logics in a specific sequence. The control module respectively provides a plurality of first voltage levels and a plurality of second voltage levels to form the control signal based on the first digital logics and the second digital logics of the light command.

Abstract: An LED light string control system includes an LED light string, a voltage generation apparatus, and a control module. The control module controls the voltage generation apparatus to change a signal provided to the LED light string to a first voltage level according to a first logic of a light command, and changes the signal to a second voltage level according to a second logic of the light command. The control module controls the voltage generation apparatus to change the signal to a distinction voltage level once the first logics and/or the second logics of the light command appear consecutively.

Abstract: A parallel sequenced LED light string includes a plurality of LED modules. The LED modules are connected in parallel through a power wire with a plurality of wire resistances. Each of the LED modules includes an impedance component capable of providing an impedance characteristic. The parallel-connected LED modules receive a supply power, and the LED modules respectively get different voltages through the wire resistances and the impedance components from the supply power so as to sequencing the LED modules.

Abstract: A power line carrying signal pixel control light emitting diode system includes a micro-control circuit, an alternating-current power detector and a plurality of light emitting diode lamps. The micro-control circuit includes a first switch and a micro-control module. When the light emitting diode lamps are required to be controlled to light, the micro-control module detects a voltage status of an alternating-current power through the alternating-current power detector. The micro-control module continuously switches a conduction status of the first switch within a half-wave cycle along a voltage change of the alternating-current power to change a voltage transmitted to the light emitting diode lamps to generate a plurality of lighting control signals. The light emitting diode lamps are configured to receive the lighting control signals and light based on the lighting control signals.

Abstract: A light emitting diode (LED) lamp includes at least one LED and an LED driver. The LED driver includes at least two terminals, a burning processor, and an address memory. The at least two terminals have a power input terminal and a power output terminal. The power input terminal and the power output terminal are externally coupled to a power line. The burning processor receives a burning activation data of a burning signal through the power input terminal or the power output terminal, and directly and externally receives a burning address data of the burning signal without from the power line. When a burning function of the burning processor is activated by the burning activation data, the burning processor converts the burning address data into a local address data and burns the local address data into the address memory.

Abstract: A carry-signal controlled LED light with low power consumption includes at least one LED and a drive unit. The drive unit is coupled to the at least one LED, and receives a carry light signal to control the at least one LED. The drive unit includes a light control unit. The light control unit drives the at least one LED according to a light command content of the carry light signal. When a voltage of the carry light signal is less than a low-level voltage, the light control unit enters an eco mode, and the light control unit detects and identifies signals within a time interval. After the time interval, the light control unit enters a sleep mode.

Abstract: A light-emitting diode (LED) light string control system using carrier signal control includes a control module and an LED light string coupled to the control module. The control module converts a DC voltage into a lighting drive signal according to a lighting command. The LED light string includes at least one LED module, and the at least one LED module includes a detection circuit, a logic circuit, and an oscillator. The detection circuit generates a detected signal corresponding to the lighting drive signal. The logic circuit determines a first level being a first logic signal, a second logic signal, or a latch signal according to a time duration of the detected signal at the first level. The oscillator provides a clock signal to the logic circuit for calculating the time duration according to the first level.

Abstract: An LED light string control system includes an LED light string, a voltage generation apparatus, and a control module. The control module controls the voltage generation apparatus to change a signal provided to the LED light string to a first voltage level according to a first logic of a light command, and to change the signal to a second to a second voltage level according to a second logic of the light command. The control module controls the voltage generation apparatus to change the signal to a distinction voltage once first logics and/or second logics of the light command appear consecutively.

Abstract: A pixel-controlled LED light includes a plurality of LED modules and a controller. Each LED module includes at least one LED and a LED drive apparatus. The LED drive apparatus burns an ordinal number according to connection sequence thereof. The controller defines the ordinal number of the LED module as a target number, and sequentially transmits a plurality of light mode data whose number is greater than or equal to the target number to each of the LED modules. Each of the LED drive apparatuses sequentially receives each of the light mode data and counts sequence of the light mode data. If the sequence of the light mode data is equal to the ordinal number of the LED drive apparatus, the LED drive apparatuses identify the light mode data, and after identifying the light mode data, the LED drive apparatuses control the corresponding at least one LED.

Abstract: A light-emitting diode (LED) light string control system with carrier identification function includes a control module, a power capacitor, and an LED light string. The control module converts a DC voltage to carry signals on the DC voltage through a power switch according to a lighting command. The power capacitor performs a capacitive charge-discharge operation to the signals on the DC voltage to generate capacitive charge-discharge signals. The LED light string includes at least one LED module, and the at least one LED module identifies that a charge-discharge characteristic is a first logic, a second logic, or a latch indication, and to generate a drive command corresponding to the signals on the DC voltage according to one of the first logic, the second logic, and the latch identification to control lighting behavior of the LED light string.

Abstract: A pixel-controlled LED light includes a plurality of LED modules and a controller. Each LED module includes at least one LED and a LED drive apparatus. The LED drive apparatus burns an ordinal number according to connection sequence thereof. The controller defines the ordinal number of the LED module as a target number, and sequentially transmits a plurality of light data whose number is greater than or equal to the target number to each of the LED modules. Each of the LED drive apparatuses sequentially receives each of the light data and counts sequence of the light data. If the sequence of the light data is equal to the ordinal number of the LED drive apparatus, the LED drive apparatuses identify the light data, and after identifying the light data, the LED drive apparatuses control the corresponding at least one LED.

Abstract: A method of automatically sequencing an LED light string. The LED light string includes a plurality of LED modules. The method includes steps of: (a) building a start reference time before the LED modules start to operate, (b) generating a plurality of time difference values from the start reference time when a working voltage of each of the LED modules rises to an identification voltage after the LED modules operate, (c) determining the sequence of the LED modules according to the time difference values to achieve an automatic sequencing function.

Abstract: A light emitting diode system includes at least one light emitting diode and a light emitting diode driving apparatus. The light emitting diode driving apparatus includes a burning signal detector, a burning controller, a memory and a light emitting diode circuit. The burning signal detector includes an optical element, a signal trimmer and a signal detector. The burning signal detector wirelessly receives a wireless signal. The burning signal detector converts the wireless signal into a local stored signal. The burning signal detector transmits the local stored signal to the burning controller. The burning controller burns the local stored signal into the memory, so that the memory stores a local data.

Abstract: An LED module with sleep mode includes a detection circuit, a driver circuit, and at least one LED. A control unit of the driver circuit receives and stores a lighting command according to a lighting drive signal, and controls lighting behaviors of the at least one LED according to the lighting command. When the driver circuit detects that the voltage of the lighting drive signal decreases below a first threshold value, the driver circuit performs signal identifications of the lighting drive signal. When the driver circuit detects that the voltage of the lighting drive signal decreases below a second threshold value through a second detection signal provided by the detection circuit, the driver circuit enters a sleep mode from a working mode, and minimizes the discharge speed of the lighting drive signal.

Abstract: A carry-signal controlled LED light with low power consumption includes at least one LED and a drive unit. The drive unit is coupled to the at least one LED, and receives a carry light signal to control the at least one LED. The drive unit includes a light control unit. The light control unit drives the at least one LED according to a light command content of the carry light signal. When a voltage of the carry light signal is less than a low-level voltage, the light control unit enters an eco mode, and the light control unit detects and identifies signals within a time interval. After the time interval, the light control unit enters a sleep mode.

Abstract: The present invention discloses a synchronous LED lamp string controller, comprising a clock synchronous circuit to receive a reference signal with a constant frequency, and based on which, to generate a system clock; a counter circuit to counter the system clock and generate a clock signal; a control logic circuit to receive said clock signal to generate a control signal; and a driver circuit to receive said control signal to drive at least a light emitting diode.