Abstract: A light-emitting device is provided, and includes a light guide plate and a light source. The light guide plate includes a main body, in which the main body has a light-incident surface. The light source is disposed adjacent to the light-incident surface. The light-emitting device is selectively disposed in different arrangements. When the light-emitting device is disposed in a first arrangement, the light-emitting device is able to provide a first light-emitting function towards a first direction and to provide a second light-emitting function towards a second direction. When the light-emitting device is disposed in a second arrangement, the second light-emitting function towards the second direction is changed, and the first light-emitting function towards the first direction is also changed.

Abstract: A lighting system, which is composed of a redundant power supply and at least one luminaire with a lamp control module contained therein. The lamp control module includes at least one light source and a light control module. The light control module includes a current control unit, at least one switch unit, and a processing unit. The current control unit is to control the DC current. The switch unit is electrically connected to the light source and enables the DC current source to selectively control DC current to at least one light source. The processing unit is used to adjust value of DC current. The luminaire includes the lamp control module, housing and power lines. The redundant power supply contains at least one AC-to-DC converter module, and the redundant power supply provides constant DC power to at least one light control module of the luminaire.

Abstract: A lighting system, which is composed of a redundant power supply and at least one luminaire with a lamp control module contained therein. The lamp control module includes at least one light source and a light control module. The light control module includes a current control unit, at least one switch unit, and a processing unit. The current control unit is to control the DC current. The switch unit is electrically connected to the light source and enables the DC current source to selectively control DC current to at least one light source. The processing unit is used to adjust value of DC current. The luminaire includes the lamp control module, housing and power lines. The redundant power supply contains at least one AC-to-DC converter module, and the redundant power supply provides constant DC power to at least one light control module of the luminaire.

Abstract: A lighting system, which is composed of a redundant power supply and at least one luminaire with a lamp control module contained therein. The lamp control module includes at least one light source and a light control module. The light control module includes a current control unit, at least one switch unit, and a processing unit. The current control unit is to control the DC current. The switch unit is electrically connected to the light source and enables the DC current source to selectively control DC current to at least one light source. The processing unit is used to adjust value of DC current. The luminaire includes the lamp control module, housing and power lines. The redundant power supply contains at least one AC-to-DC converter module, and the redundant power supply provides constant DC power to at least one light control module of the luminaire.

Abstract: A luminaire is provided. The luminaire includes a housing, at least one light source, and a light control module. The housing has a cavity for embedding the light control module and another cavity for embedding the light sources. The light control module includes a current control unit, at least one switch unit, a process unit, and a printed circuit board. The current control unit is used to provide DC current. The at least one switch unit is used to enable the current control unit to selectively provide a DC current to the at least one light source in accordance with at least one switch unit control signal. The process unit is used to adjust the DC current outputted by the current control unit.

Abstract: A lighting system, which is composed of a redundant power supply and at least one luminaire with a lamp control module contained therein. The lamp control module includes at least one light source and a light control module. The light control module includes a current control unit, at least one switch unit, and a processing unit. The current control unit is to control the DC current. The switch unit is electrically connected to the light source and enables the DC current source to selectively control DC current to at least one light source. The processing unit is used to adjust value of DC current. The luminaire includes the lamp control module, housing and power lines. The redundant power supply contains at least one AC-to-DC converter module, and the redundant power supply provides constant DC power to at least one light control module of the luminaire.

Abstract: A stabilization apparatus for stabling load voltage of vehicle is applied to a vehicle battery unit, a vehicle computer unit and a vehicle load unit. The stabilization apparatus for stabling load voltage of vehicle includes a voltage boost unit and a microcontroller unit. The voltage boost unit is electrically connected to the vehicle battery unit and the vehicle load unit. The microcontroller unit is electrically connected to the voltage boost unit and the vehicle computer unit. When the voltage of the vehicle battery unit is going to drop, a voltage-drop signal is sent from the vehicle computer unit to the microcontroller unit. The voltage boost unit is controlled by the microcontroller unit to supply a boosted voltage to the vehicle load unit.

Abstract: A charging system of a mobile vehicle and a method for operating the same are provided to receive and convert an external AC source into a DC source for charging the mobile vehicle. First, a high DC voltage is outputted through a charging apparatus. Afterward, the high DC voltage is received and converted by a DC power conversion apparatus in the mobile vehicle, thus the required voltage level of the high DC voltage is provided for a rechargeable battery. Finally, the DC power conversion apparatus is controlled through a vehicle controller to provide the desired charging current for the rechargeable battery. The DC power conversion apparatus is installed in the mobile vehicle so that the rechargeable battery is protected by the DC power conversion apparatus. In addition, an adaptive charging manner is provided according to operating conditions of the rechargeable battery, thus increasing charging reliability, security, and speed.

Abstract: A stabilization apparatus for stabling load voltage of vehicle is applied to a vehicle battery unit, a vehicle computer unit and a vehicle load unit. The stabilization apparatus for stabling load voltage of vehicle includes a voltage boost unit and a microcontroller unit. The voltage boost unit is electrically connected to the vehicle battery unit and the vehicle load unit. The microcontroller unit is electrically connected to the voltage boost unit and the vehicle computer unit. When the voltage of the vehicle battery unit is going to drop, a voltage-drop signal is sent from the vehicle computer unit to the microcontroller unit. The voltage boost unit is controlled by the microcontroller unit to supply a boosted voltage to the vehicle load unit.

Abstract: A high-voltage battery charging system is installed in a vehicle body of the electric vehicle for charging a high-voltage battery unit within the vehicle body. The high-voltage battery charging system includes a rectifier circuit, a power factor correction circuit and a non-isolated DC-DC converting circuit. The rectifier circuit is connected to a common terminal for rectifying an AC input voltage into a rectified voltage. The power factor correction circuit is connected to the rectifier circuit and a bus for increasing a power factor and generating a bus voltage. The non-isolated DC-DC converting circuit is connected to the power factor correction circuit and the high-voltage battery unit for charging the high-voltage battery unit, wherein no transformer is included in the non-isolated DC-DC converting circuit.

Abstract: An adjustable output voltage power converter. The power converter has a positive voltage output terminal, a negative voltage output terminal, a voltage comparator, a voltage shift resistor and a current source. The voltage comparator has a first input terminal, a second input terminal and a compare output terminal. The second input terminal picks up a reference voltage. The compare output terminal is electrically connected to one terminal of a Zf. The first input terminal is electrically connected to a second terminal of the Zf and one terminal of a Zi. The other terminal of the Zi is electrically connected to the current source and one terminal of the voltage shift resistor. The other terminal of the voltage shift resistor is electrically connected to the positive voltage output terminal.

Abstract: A power supply apparatus comprises a switching circuit including a primary power train circuit, a main transformer and a secondary power train circuit for receiving and rectifying an input voltage, an output filter for providing an output voltage to a load, and a voltage feedback coupled in series between the output voltage and the input voltage, in which the voltage feedback circuit includes a feedback control circuit for detecting the output voltage and outputting a voltage feedback control signal in response to the output voltage, a control circuit for outputting a first oscillating signal to the primary power train circuit, a magnetic element coupled in series between the feedback control circuit and the control circuit for receiving a second oscillating signal from the control circuit and coupling the second oscillating signal to the secondary power train circuit to drive the secondary power train circuit to accomplish synchronous rectification and coupling the voltage feedback control signal to the cont

Abstract: An adjustable output voltage power converter. The power converter has a positive voltage output terminal, a negative voltage output terminal, a voltage comparator, a voltage shift resistor and a current source. The voltage comparator has a first input terminal, a second input terminal and a compare output terminal. The second input terminal picks up a reference voltage. The compare output terminal is electrically connected to one terminal of a Zf. The first input terminal is electrically connected to a second terminal of the Zf and one terminal of a Zi. The other terminal of the Zi is electrically connected to the current source and one terminal of the voltage shift resistor. The other terminal of the voltage shift resistor is electrically connected to the positive voltage output terminal.

Abstract: An adjustable output voltage power converter. The power converter has a positive voltage output terminal, a negative voltage output terminal, a voltage comparator, a voltage-regulating reactance and a current source. The second input terminal picks up a reference voltage. The voltage comparator has a first input terminal, a second input terminal and a compare output terminal. The compare output terminal is electrically connected to one terminal of a feedback reactance. The first input terminal is electrically connected to the other terminal of the feedback reactance and one terminal of a loading reactance. The other terminal of the loading reactance is electrically connected to the current source and one terminal of the voltage-regulating reactance. The other terminal of the voltage-regulating reactance is electrically connected to the positive voltage output terminal.

Abstract: A technique, which substantially reduces the number of power-stage and control circuit components in an isolated DC/DC converter with parallel current-doubler rectifier stages, includes on the primary side transformers with serially connected primary windings each having a corresponding secondary winding coupled to one of the voltage-doubler stages. In one embodiment, the primary and secondary windings and filter inductors of the current-doubler rectifier stages are provided on an integrated magnetic core. The filter inductors in each current-doubler rectifier stage can be provided as coupled inductors. In one embodiment, an X-shaped magnetic core is provided to achieve coupled or uncoupled filter inductors.

Abstract: A packing structure of a switching power supply is used for enhancing heat-dissipating effect. The packing structure includes a printed circuit board, a transformer, an inductor having an inductive winding, a converter placed on a pad of the printed circuit board, wherein the pad is electrically connected to a secondary winding of the transformer and the inductive winding, and a metal cover directly covered on the converter.

Abstract: A packing structure of a switching power supply is used for enhancing heat-dissipating effect. The packing structure includes a printed circuit board, a transformer, an inductor having an inductive winding, a converter placed on a pad of the printed circuit board, wherein the pad is electrically connected to a secondary winding of the transformer and the inductive winding, and a metal cover directly covered on the converter.

Abstract: The present invention discloses an electronic device for rectifying input electric signals to generate rectified output signals. The electronic device includes an input inductive circuit includes an input conductive winding-trace for receiving the input electric signals. The electronic device further includes a rectifying integrated circuit (IC) chip directly soldered onto to the winding-trace for processing the input electric signals provided for generating the rectified output signals. In another preferred embodiment, the input inductive circuit is an input one-turn inductive circuit further includes a top core and a bottom core for generating inductive input signals responding to the input electric signals. In another preferred embodiment, the electronic device further includes an output circuit connected to the IC chip wherein the output circuit further includes output inductive circuit for generating inductive output signals in response to the rectified output signals.