Abstract: An illuminant module includes a lamp including a lampwick, a reflector and a guide cap, a lamp holder, a blower, and an axial fan. At least one portion of the lampwick is disposed in the reflector. The guide cap having a guide wall, a first air outlet, and a first air inlet is connected to the reflector and covers an opening of the reflector. The lamp holder has a space where the lamp is disposed, a second air inlet corresponding to the first one, a third air inlet adjacent to the second one, a fourth air inlet adjacent to the third one, a second air outlet corresponding to the first one, and a third air outlet adjacent to the second one. The blower outside the space is disposed at the second air inlet. The axial fan outside the space is disposed adjacent to the third and fourth air inlets.

Abstract: A fuel cell apparatus including a fuel cell module, a heat exchanging assembly, and an airflow producing element is provided. The fuel cell module is used to perform chemical reactions of a fuel cell. The heat exchanging assembly includes a first heat exchanging part, a second heat exchanging part, and a connection part. The connection part connects the first heat exchanging part and the second heat exchanging part respectively. The airflow producing element is adapted to produce an airflow, and the airflow flows through the first heat exchanging part, the fuel cell module, and the second heat exchanging part sequentially.

Abstract: A digital micro-mirror device (DMD) has a housing, an active array being received in the housing, an optically transparent cover disposed above the active array for sealing the active array and introducing light beam to the active array, and a thermal conducting plate connected with the optically transparent cover and the housing.

Abstract: A color wheel module including a motor, a filter unit, and a magnetic sensor is provided. The motor has a rotating unit. An index mark is disposed on the rotating unit. The filter unit is connected to the rotating unit. The magnetic sensor is disposed adjacent to the motor. The magnetic sensor is adopted for sensing the change of the magnetic field caused by the index mark rotating with the rotating unit. Further, a projection apparatus with the color wheel module is provided.

Abstract: A light source module comprises a case, a light source, a first air-circulation device, a second air-circulation device and an airflow guide. The case has an airflow outlet, and other components are disposed therein. The airflow guider includes a first stream-guiding part and a second stream-guiding part connected thereto. The first stream-guiding part and the airflow outlet are at a same side of the light source, the second stream-guiding part is over the light source. The first airflow provided by the first air-circulation device passes past the light source, arrives at the first stream-guiding part, flows from the front of the light source towards the back of the light source guided by the second stream-guiding part, and mixes up with the second airflow provided by the second air-circulation device and finally exits from the airflow outlet. Therefore, concentrated heat is prevented at the airflow outlet.

Abstract: A direct oxide fuel cell includes a membrane electrode assembly (MEA), an anode collector, a cathode collector, an anode flow channel plate, and an equalization structure. The anode collector and the cathode collector are disposed on two sides of the MEA respectively. The anode collector contains a plurality of through zones surrounded and a non-through zone. The anode flow channel plate is disposed on a side of the anode collector facing away from the MEA, and includes a fuel transmission channel. The equalization structure disposed in the fuel transmission channel has an end connected to the anode flow channel plate and an opposite end abutting against the anode collector. An area of non-through zones abutted by the equalization structure is bigger than an area of the through zones abutted by the equalization structure.

Abstract: A water recycling system for recycling water produced by a fuel cell module is provided. The water recycling system includes a fan, a mixing tank, and a duct. The fan has an exhaust opening and a suction opening adjacent to a cathode of the fuel cell module. The fan is used to vaporize water produced by the fuel cell module into vapor and exhaust the vapor from the exhaust opening. The mixing tank has a fuel inlet and a fuel outlet. A fuel for the fuel cell module is injected into the mixing tank via the fuel inlet, and the fuel outlet is connected to the fuel cell module. The duct has a first end and a second end. The first end is connected to the exhaust opening, and the second end is in contact with the fuel inside the mixing tank.

Abstract: A flow field plate module for a fuel cell system includes at least one flow field plate defining a fuel transporting channel thereon. The fuel transporting channel is divided into a middle converging zone having a group of first flow guiding plates arranged therein, and two diverging zones located at two lateral sides of the middle converging zone and each having a group of second flow guiding plates arranged therein. The second flow guiding plates are symmetrically arranged in the two diverging zones and are directed at respective inner end toward a space between two adjacent first flow guiding plates in the middle converging zone to thereby offset from each of the two adjacent first flow guiding plates by a predetermined distance in a fuel flowing direction, so that a fluid path is formed between any two adjacent first and second flow guiding plates.

Abstract: A light source module for a projection apparatus including a light source unit, a fan, a temperature sensor and a temperature controller is provided. The fan is disposed towards the light source unit and is capable of cooling the light source unit. The temperature sensor is disposed adjacent to the light source unit and is capable of sensing an operating temperature of the light source unit. The temperature controller is electrically coupled to the fan and the temperature sensor, and is capable of adjusting a rotation speed of the fan according to the operating temperature of the light source unit. The invention is capable of keeping the operating temperature of the light source unit at or close to the predetermined operating temperature thereof by adjusting the rotation speed of the fan.

Abstract: A projection apparatus including a casing, a lamp module, an imaging system and an optical engine is provided. The lamp module is disposed in the casing and includes a frame, a first fan, a plurality of light sources and a wind guiding device. The first fan is disposed on the frame and provides a cooling airflow. The light sources provide a light beams. The wind guiding device is disposed between the first fan and the frame, and has a baffle disposed on a flowing path of the cooling airflow to divide the cooling airflow into a plurality of cooling sub-airflows for cooling the light sources respectively. The imaging system and the optical engine are received in the casing and disposed on the transmission path of the light beam, and the optical engine is positioned between the lamp module and the imaging system.

Abstract: A fuel cell system includes a circulatory device and a fuel cell module. The fuel cell module includes a membrane electrode assembly (MEA), an anode flow field plate and a heat exchange module. The anode flow field plate is disposed at a side of the MEA and has an inlet and an outlet. The heat exchange module includes a fluid-conveying unit and a heat exchange unit. At least a part of the heat exchange unit is disposed inside the fluid-conveying unit to divide the heat exchange unit into a first channel and a second channel. The first channel communicates with the circulatory device and the inlet. The second channel communicates with the circulatory device and the outlet. The circulatory device injects a portion of the liquid reactant into the anode flow field plate through the first channel. The remainder reaction solution flows into the circulatory device through the second channel.

Abstract: A fuel cell system includes a circulatory device and a fuel cell module. The fuel cell module includes a membrane electrode assembly (MEA), an anode flow field plate and a heat exchange module. The anode flow field plate is disposed at a side of the MEA and has an inlet and an outlet. The heat exchange module includes a fluid-conveying unit and a heat exchange unit. At least a part of the heat exchange unit is disposed inside the fluid-conveying unit to divide the heat exchange unit into a first channel and a second channel. The first channel communicates with the circulatory device and the inlet. The second channel communicates with the circulatory device and the outlet. The circulatory device injects a portion of the liquid reactant into the anode flow field plate through the first channel. The remainder reaction solution flows into the circulatory device through the second channel.

Abstract: A fuel cell including a membrane electrode assembly (MEA), an anode current collector, a cathode current collector and a water transport layer is provided. The MEA includes an anode layer, a cathode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The anode current collector is in contact with the anode layer. The cathode current collector is in contact with the cathode layer to dispose the MEA between the anode current collector and the cathode current collector, and the cathode current collector has a plurality of first openings. The water transport layer is attached on the cathode current collector and includes a capillary material and a plurality of second openings corresponding to the first openings of the cathode current collector.

Abstract: A fuel cell including at least a membrane electrode assembly (MEA), a pipe, a pump and a linkage arrangement is provided. The MEA includes an anode layer, a cathode layer and an electrolyte layer disposed between the anode layer and the cathode layer. The pump is adapted to drive a fluid flowing in the pipe to provide fuel for the anode layer. The linkage arrangement includes a first blade, at least a second blade and a connecting element. The first blade is disposed inside the pipe and located on a flowing path of the fluid, and the fluid is adapted to drive the first blade to rotate. The second blade is disposed outside the pipe, and the connecting element is adapted to connect the first blade and the second blade so that the first blade drives the second blade to rotate to bring air to flow through the cathode layer.

Abstract: A fuel cell system including a fuel cell module and a pump is provided. The fuel cell module includes a membrane electrode assembly and an anode flow-channel plate disposed beside the membrane electrode assembly. The anode flow-channel plate has a reaction tank. The reaction tank is a hollow tank chamber with an inlet on its bottom and an outlet on its top. The pump is adopted for injecting an anolyte into the reaction tank from the inlet at different flow rates. When the anolyte is injected into the reaction tank by the pump, the anolyte inside the reaction tank is discharged via the outlet.

Abstract: A light-emitting diode (LED) package structure including a lead frame, an LED chip, and a circuit board is provided. The lead frame includes a first lead and a second lead. The LED chip is disposed on the first lead and electrically connected to the first lead and the second lead. The circuit board is disposed on the lead frame and electrically connected to the first lead and the second lead. Moreover, the circuit board and the LED chip are disposed at the same side of the lead frame.

Abstract: A backlight module including a light box, a plurality of light source sets, and a heat dissipation device is provided. The light box has a bottom and a light-emitting section. The bottom has a first surface and a second surface opposite to the first surface. The light source sets are disposed on the first surface, and each of the light source sets includes a substrate disposed on the first surface and a plurality of point light sources disposed on the substrate. The heat dissipation device is disposed on the second surface. The heat dissipation device includes a thermal assembly and at least one fan, and the thermal assembly includes a plurality of covers. Each of the covers is individually disposed on the second surface at a position below one of the light source sets, and an air flow channel is formed between each cover and the bottom.

Abstract: A method for shutting off a projector having a fan and a light source is provided. The method includes the following steps. The power of the light source is reduced from a first power to a second power and the speed of the fan is increased from a first speed to a second speed after the projector receiving a first command. Then, a process is executed for shutting off the light source and the fan after the projector receiving a second command. The above-mentioned method is capable of not only preventing the projector from damage result from over-shooting, but also shortening the time needed to shut off the projector.

Abstract: A backlight module comprising a light box, a diffusion plate and at least a light source set is provided. The light box has a bottom and a light emitting section opposite to the bottom, the diffusion plate is disposed at the light emitting section, and the light source set is disposed on the bottom of the light box. In addition, the light source set includes a substrate and a plurality of point light sources, wherein the substrate is disposed on the bottom of the light box, and the point light sources are disposed on the substrate and face the light emitting section. Wherein, the bottom of the light box has a plurality of heat dissipation holes to expose a portion of the substrate, and another portion of the substrate is in contact with the bottom.

Abstract: A projection apparatus comprises a housing and further comprises a light source, an imaging system, an optical engine, a first blower, and an axial fan installed in the housing, and an air outlet is disposed on the housing. The light source is installed adjacent to the air outlet. The optical engine is installed between the imaging system and the light source. The first blower is installed at one end far away from the air outlet, and an exhaust port of the first blower faces one portion of the light source. The axial fan is installed at one side of the light source installed the first blower, and the light source is positioned between the air outlet and the axial fan. An exhaust port of the axial fan faces the light source, and a suction port of the axial fan is adjacent to the suction port of the first blower.