Abstract: A boost apparatus including a boost power conversion circuit and a control chip is provided. The boost power conversion circuit is configured to receive a DC input voltage and provide a DC output voltage to a light-emitting-diode (LED) load in response to a pulse-width-modulation (PWM) signal. The control chip has a first complex function pin, and is configured to: generate the PWM signal to control the operation of the boost power conversion circuit; perform an OCP detection on the boost power conversion circuit through the first complex function pin when the PWM signal is enabled to determine whether to activate an OCP mechanism; and perform an OVP detection on the boost power conversion circuit through the first complex function pin when the PWM signal is disabled to determine whether to activate an OVP mechanism.

Abstract: A boost apparatus including a boost power conversion circuit and a control chip is provided. The boost power conversion circuit is configured to receive a DC input voltage and provide a DC output voltage to a light-emitting-diode (LED) load in response to a pulse-width-modulation (PWM) signal. The control chip has a first complex function pin, and is configured to: generate the PWM signal to control the operation of the boost power conversion circuit; perform an OCP detection on the boost power conversion circuit through the first complex function pin when the PWM signal is enabled to determine whether to activate an OCP mechanism; and perform an OVP detection on the boost power conversion circuit through the first complex function pin when the PWM signal is disabled to determine whether to activate an OVP mechanism.

Abstract: A load driving apparatus adapted to drive an outdoor display is provided. The load driving apparatus includes a weather sensing circuit and a display driver. The weather sensing circuit is configured to sense a weather condition corresponding to an installation place of the outdoor display, and accordingly provides a sensing voltage signal varied along with the weather condition. The display driver is coupled between the weather sensing circuit and the outdoor display, and is configured to drive the outdoor display for displaying in response to the sensing voltage signal. When the weather condition is a cloudy day, the sensing voltage signal is linearly varied within a predetermined voltage range, and then the display brightness of the outdoor display is linearly varied between a maximum brightness and a minimum brightness.

Abstract: A load driving apparatus is provided, which includes: a DC high voltage generation circuit, configured to selectively receive one of first and second AC input voltages different to each other, and process the received AC input voltage to obtain and provide a DC high voltage, wherein the DC high voltage obtained by processing either the first or second AC input voltages is substantially or approximately the same; a switching circuit, configured to selectively output the DC high voltage or a ground potential in response to two complementary PWM signals, so as to provide an AC signal; a transformer, having a primary side receiving the AC signal from the switching circuit, and a secondary side providing a driving signal to drive a light-emitting load in response to the AC signal; and a control circuit, configured to generate the two complementary PWM signals to control switching of the switching circuit.

Abstract: A light-emitting-diode (LED) driving apparatus and an LED driving method suitable for driving an LED load are provided. The LED driving apparatus includes a driving circuit, a feedback circuit, and a control chip. The driving circuit provides a driving voltage by means of boost converting or buck-boost converting to one terminal of the LED load according to a pulse-width-modulation (PWM) driving signal. The feedback circuit generates a feedback voltage according to a voltage on the other terminal of the LED load. The control chip generates the PWM driving signal and adjusts the duty cycle of the PWM driving signal in response to the feedback voltage. If the control chip determines the PWM driving signal with a maximum duty cycle continues being output over a preset period of time, the control chip determines that the current leakage phenomenon occurs on the LED load and stops generating the PWM driving signal.

Abstract: A light emitting diode (LED) driving apparatus and an LED driving method suitable for driving an LED load are provided. The LED driving apparatus includes a driving circuit, a feedback circuit, and a control chip. The driving circuit provides a driving voltage to one terminal of the LED load according to a pulse-width modulation (PWM) driving signal. The feedback circuit generates a feedback voltage according to a voltage on the other terminal of the LED load. The control chip is configured to generate the PWM driving signal and adjust the duty cycle of the PWM driving signal in response to the feedback voltage. If the control chip determines the PWM driving signal with a threshold duty cycle continues being output over a preset period of time, the control chip determines that the current leakage phenomenon occurs on the LED load and stops generating the PWM driving signal.

Abstract: A load driving apparatus and a driving method thereof are provided. The load driving apparatus includes a power conversion circuit and a control chip. The power conversion circuit receives a DC input voltage, and drives an LED load in response to a gate PWM signal. The control chip is configured to: provide the gate PWM signal having a first preset duty cycle during a light operation period of a dimming operation, so that the LED load is fully turned on; and provide the gate PWM signal having a second preset duty cycle during a dark operation period of the dimming operation, so that the LED load is slightly turned on. The second preset duty cycle is far less than the first preset duty cycle. A current of the LED load during the light operation period is far more than a current of the LED load during the dark operation period.

Abstract: A load driving apparatus including a power conversion circuit, a current balance circuit, a protection unit and a control chip is provided. The power conversion circuit is configured to receive a DC input voltage, and provide a DC output voltage to a plurality of light emitting units in response to a control signal. The current balance circuit has a plurality of switch elements corresponding to the light emitting units, and is configured to balance currents flowing through the light emitting units. The protection unit detects statuses of the switch elements and/or the DC output voltage. The control chip generates the control signal to control operations of the power conversion circuit; and stops generating the control signal and enters into a shutdown status when any one of the switch elements is open-circuit and/or the DC output voltage is over-voltage, thereby protecting the load driving apparatus and/or the switch elements from damaging.

Abstract: A lamp driving apparatus and an illumination equipment using the same are provided. The provided lamp driving apparatus is responsible for driving a lamp. When any one of two terminals of the lamp is opened or the lamp is over-voltage, the provided driving apparatus stops driving the lamp, and thus achieving the purpose of open lamp and over-voltage protection/detection.

Abstract: A light emitting diode (LED) driving apparatus and an LED driving method suitable for driving an LED load are provided. The LED driving apparatus includes a driving circuit, a feedback circuit, and a control chip. The driving circuit provides a driving voltage to one terminal of the LED load according to a pulse-width modulation (PWM) driving signal. The feedback circuit generates a feedback voltage according to a voltage on the other terminal of the LED load. The control chip is configured to generate the PWM driving signal and adjust the duty cycle of the PWM driving signal in response to the feedback voltage. If the control chip determines the PWM driving signal with a threshold duty cycle continues being output over a preset period of time, the control chip determines that the current leakage phenomenon occurs on the LED load and stops generating the PWM driving signal.

Abstract: A lamp driving apparatus and an illumination equipment using the same are provided. The provided lamp driving apparatus is responsible for driving a lamp. When any one of two terminals of the lamp is opened or the lamp is over-voltage, the provided driving apparatus stops driving the lamp, and thus achieving the purpose of open lamp and over-voltage protection/detection.

Abstract: A driving apparatus for a fluorescent tube and a method thereof and an illumination apparatus using the same are provided. The driving apparatus stops providing power, when a fluorescent tube has broken, to both ends of the broken fluorescent tube regardless of whether a power switch related to the fluorescent tube is in ON or OFF state, and thus making sure that a person is under a safety condition without getting an electric shock during replacing the broken fluorescent tube; moreover, the driving apparatus automatically detects the newly installed fluorescent tube and automatically light up the newly installed fluorescent tube after the broken fluorescent tube is replaced and it is unnecessary to switch the power switch related to the fluorescent tube anymore, and thus avoiding a potentially hazard for the person who climbs up and down a ladder repeatedly.

Abstract: A load driving apparatus and a driving method thereof are provided. The load driving apparatus includes a power conversion circuit and a control chip. The power conversion circuit receives a DC input voltage, and drives an LED load in response to a gate PWM signal. The control chip is configured to: provide the gate PWM signal having a first preset duty cycle during a light operation period of a dimming operation, so that the LED load is fully turned on; and provide the gate PWM signal having a second preset duty cycle during a dark operation period of the dimming operation, so that the LED load is slightly turned on. The second preset duty cycle is far less than the first preset duty cycle. A current of the LED load during the light operation period is far more than a current of the LED load during the dark operation period.

Abstract: The disclosure provides a load driving apparatus relating to an LED lamp and a method thereof and an illumination apparatus using the same. The disclosure can use a low-pass filter to filter out the high-frequency PWM signal output from the control chip and to provide a DC low voltage level to the PWM dimming pin of the control chip when the LED lamp gets short circuit. In this way, the control chip is able to entirely stop outputting the PWM signal in response to the DC low voltage level provided by the low-pass filter so as to avoid all the components in the load driving apparatus from damaging caused by the short circuit of the LED lamp.

Abstract: A reactive dye is disclosed. The reactive dye has the structure of formula (I): wherein X, R1, R2, R3, n, Q1, Q2 and (HO3S)1-3 are defined in the specification. The reactive dye of the present invention has great build-up property, reproducibility and fastness.

Abstract: A driving apparatus for fluorescent tubes and a method thereof are provided. The provided driving apparatus changes a sinusoidal driving signal used for driving a fluorescent tube by detecting a current flowing through the fluorescent tube. Accordingly, the current flowing through the fluorescent tube can be conformed to specifications/regulations. Under the condition of being capable of detecting current(s) flowing through fluorescent tube(s), the provided driving apparatus can be suitable for driving fluorescent tubes with different specifications, categories and brands, and would not affect the lifetime of the fluorescent tubes and would not cause the problem of insufficient luminance.

Abstract: The present invention relates to a novel reactive dyestuff with a N-alkylamino group, represented by the following formula (I): wherein A1, A2, R1, R2, R3, R4, (R5)0-2, (R6)0-2, (Z1)0-1, (Z2)0-1, X1, X2 and n are defined the same as the specification. The reactive dyestuff of the present invention is suitable for exhaust dyeing, cold batch-up dyeing, continuous dyeing, printing and digital spray printing materials that contain hydroxyl group or amino group fibers.

Abstract: A reactive dye is disclosed. The reactive dye has the structure of formula (I): wherein X, R1, R2, R3, n, Q1, Q2 and (HO3S)1-3 are defined in the specification. The reactive dye of the present invention has great build-up property, reproducibility and fastness.

Abstract: A driving apparatus for a fluorescent tube and a method thereof and an illumination apparatus using the same are provided. The driving apparatus stops providing power, when a fluorescent tube has broken, to both ends of the broken fluorescent tube regardless of whether a power switch related to the fluorescent tube is in ON or OFF state, and thus making sure that a person is under a safety condition without getting an electric shock during replacing the broken fluorescent tube; moreover, the driving apparatus automatically detects the newly installed fluorescent tube and automatically light up the newly installed fluorescent tube after the broken fluorescent tube is replaced and it is unnecessary to switch the power switch related to the fluorescent tube anymore, and thus avoiding a potentially hazard for the person who climbs up and down a ladder repeatedly.

Abstract: The present invention relates to a novel reactive dyestuff with a N-alkylamino group, represented by the following formula (I): wherein A1, A2, R1, R2, R3, R4, (R5)0-2, (R6)0-2, (Z1)0-1, (Z2)0-1, X1, X2 and n are defined the same as the specification. The reactive dyestuff of the present invention is suitable for exhaust dyeing, cold batch-up dyeing, continuous dyeing, printing and digital spray printing materials that contain hydroxyl group or amino group fibers.