Abstract: An optical engine module comprises a casing, a light valve, a heat dissipating module, and at least three fixtures. The casing comprises at least three fixing structures. The light valve is disposed in the casing and is connected to the casing. The light valve comprises a heat interface. The heat dissipating module comprises a heat dissipating surface in contact with the heat interface of the light valve. The number of the at least three fixing structures and positions of the same correspond respectively to the number of the at least three fixtures and positions of the same. The heat dissipating module is connected to the casing by matching the at least three fixing structures and the at least three fixtures. In the optical engine module, improved stability of the heat dissipating module, preferable heat dissipating efficiency for the light valve, and thus good optical effect are provided.

Abstract: The invention discloses a projector, including a light source, a light engine module and a lens module. The lens module includes a plate, a lens, at least two sliding components and a first position adjustment device. The sliding components are disposed between the plate and a light engine housing and located respectively at a first position and a second position of the light engine housing. Each of the sliding components has a sliding member and a distance adjustment member. The plate is movably disposed on the light engine housing via the sliding member. The distance adjustment members are in contact with the sliding members respectively. The first position adjustment device is movably disposed between the plate and the light engine housing. The invention further discloses a lens module. The invention can improve movement accuracy and imaging stability of a projector and a lens module.

Abstract: A fixing base for fixing an optical element and disposing at least two elastic members is provided. The fixing base includes a fixing groove and an elastic member fixing groove. The elastic members abut against the elastic member fixing groove to provide the elastic members with a push force toward the optical element, so that the optical element abuts against the fixing groove. An opening direction of the fixing groove and an opening direction of the elastic member fixing groove are nonparallel to the optical axis of the optical element, and the elastic members and the optical element are respectively disposed in the elastic member fixing groove and the fixing groove along a direction nonparallel to the optical axis. The invention also provides a projection device including the fixing base. The fixing base provided by the invention can accurately and easily fix the optical element.

Abstract: A transmissive sampling module is provided, which is adapted to a spectrometer main body. The transmissive sampling module includes a light source assembly and a support base. The light source assembly is directly connected to the support base. The support base includes a tube body and at least one fixing member. The tube body surrounds an accommodating groove, and an extending direction of the tube body is not parallel to an optical path of the light source assembly, and the tube body includes a transparent portion, and the optical path of the light source assembly passes through the transparent portion and the accommodating groove. The at least one fixing member is disposed on the tube body and is adjustably protruded out of an inner surface of the tube body. A transmissive spectrometer is also provided.

Abstract: A fixing base for fixing an optical element and disposing at least two elastic members is provided. The fixing base includes a fixing groove and an elastic member fixing groove. The elastic members abut against the elastic member fixing groove to provide the elastic members with a push force toward the optical element, so that the optical element abuts against the fixing groove. An opening direction of the fixing groove and an opening direction of the elastic member fixing groove are nonparallel to the optical axis of the optical element, and the elastic members and the optical element are respectively disposed in the elastic member fixing groove and the fixing groove along a direction nonparallel to the optical axis. The invention also provides a projection device including the fixing base. The fixing base provided by the invention can accurately and easily fix the optical element.

Abstract: An optical engine module comprises a casing, a light valve, a heat dissipating module, and at least three fixtures. The casing comprises at least three fixing structures. The light valve is disposed in the casing and is connected to the casing. The light valve comprises a heat interface. The heat dissipating module comprises a heat dissipating surface in contact with the heat interface of the light valve. The number of the at least three fixing structures and positions of the same correspond respectively to the number of the at least three fixtures and positions of the same. The heat dissipating module is connected to the casing by matching the at least three fixing structures and the at least three fixtures. In the optical engine module, improved stability of the heat dissipating module, preferable heat dissipating efficiency for the light valve, and thus good optical effect are provided.

Abstract: An adjusting structure of reflector includes a base, a pivoting component, a reflector, a first adjusting screw and a second adjusting screw. The pivoting component is connected to the base, and the base is pivoted to a housing by using the pivoting component, and has freedoms of motion rotating around a first axial direction and a second axial direction perpendicular to the first axial direction. The reflector is disposed on the base. The first adjusting screw and the second adjusting screw are configured to be penetrated the housing and connected to the base. An adjusting direction of the first adjusting screw and the first axial direction may intersect with each other. The first adjusting screw and the second adjusting screw are located at the same side of the base. A projecting apparatus comprising the above adjusting structure of reflector is also provided.

Abstract: An adjusting structure of reflector includes a base, a pivoting component, a reflector, a first adjusting screw and a second adjusting screw. The pivoting component is connected to the base, and the base is pivoted to a housing by using the pivoting component, and has freedoms of motion rotating around a first axial direction and a second axial direction perpendicular to the first axial direction. The reflector is disposed on the base. The first adjusting screw and the second adjusting screw are configured to be penetrated the housing and connected to the base. An adjusting direction of the first adjusting screw and the first axial direction may intersect with each other. The first adjusting screw and the second adjusting screw are located at the same side of the base. A projecting apparatus comprising the above adjusting structure of reflector is also provided.

Abstract: A transmissive sampling module is provided, which is adapted to a spectrometer main body. The transmissive sampling module includes a light source assembly and a support base. The light source assembly is directly connected to the support base. The support base includes a tube body and at least one fixing member. The tube body surrounds an accommodating groove, and an extending direction of the tube body is not parallel to an optical path of the light source assembly, and the tube body includes a transparent portion, and the optical path of the light source assembly passes through the transparent portion and the accommodating groove. The at least one fixing member is disposed on the tube body and is adjustably protruded out of an inner surface of the tube body. A transmissive spectrometer is also provided.

Abstract: The invention discloses a projector, including a light source, a light engine module and a lens module. The lens module includes a plate, a lens, at least two sliding components and a first position adjustment device. The sliding components are disposed between the plate and a light engine housing and located respectively at a first position and a second position of the light engine housing. Each of the sliding components has a sliding member and a distance adjustment member. The plate is movably disposed on the light engine housing via the sliding member. The distance adjustment members are in contact with the sliding members respectively. The first position adjustment device is movably disposed between the plate and the light engine housing. The invention further discloses a lens module. The invention can improve movement accuracy and imaging stability of a projector and a lens module.

Abstract: An illumination system includes a casing having an air inlet and an air outlet, a light source disposed in the casing and capable of generating an illumination beam emitting out of the casing, a fan disposed in the casing and capable of guiding cooling air to the air inlet and the air outlet in sequence, a heat dissipation guiding board disposed in the casing and located at the air inlet for guiding the cooling air from the air inlet to the casing in a direction away from the air outlet, and a power supply disposed on the heat dissipation guiding board. The cooling air flow flowing into the casing and guided by the heat dissipation guiding board flows to the air outlet in a direction away from the air outlet. Thereby, the cooling air flow is allowed to flow in the casing during an increased time within an extended range.

Abstract: A planar fuel cell device including a fuel cell module, a first cathode channel plate, a second cathode channel plate, and a fixing structure is provided. The first cathode channel plate is adapted to be disposed on a first surface of the fuel cell module and includes a first curved surface and a first channel structure disposed on the first curved surface. The first curved surface protrudes toward the fuel cell module for pressing the first surface of the fuel cell module. The second cathode channel plate is adapted to be disposed on a second surface of the fuel cell module opposite to the first surface. The fixing structure is adapted to be disposed on the edge of the fuel cell module for fixing the first cathode channel plate and the second cathode channel plate on the first surface and the second surface respectively.

Abstract: A switch valve applied to a cartridge of a fuel cell includes a first valve body and a second valve body. The first valve body has a first connecting member and a first slide member which may slide relative to the first connecting member. The second valve body has a second connecting member and a second slide member which may slide relative to the second connecting member. The second connecting member is used to lock the first connecting member. During assembling operation of the first and the second valve bodies, the first connecting member gets the second slide member moving to open the second valve body; and then the second connecting member gets the first slide member moving to open the first valve body. During disassembling operation of the first and the second valve bodies, the first valve body is closed before the second valve body is closed.

Abstract: A method for forming a lamp holder. The lamp holder is applied in a projection apparatus. First, the lamp holder comprising metal is provided. An insulating layer is formed on one surface of the lamp holder to insulate the lamp holder from another element of the projection apparatus.

Abstract: A projector includes a casing having a front wall formed with a first opening and a second opening. A heat dissipating structure includes a plurality of elongated fins mounted vertically within the second opening in the casing, a connecting rod disposed in the second opening to extend in a horizontal direction and fastened operably to the fins in such a manner that a horizontal movement of the connecting rod in the second opening results in a tilt angle of the fins with respect to the front wall of the casing, and a push rod fixed to one of the fins and projecting outwardly from the casing via the second opening. The push rod can be manually manipulated in the leftwise or rightwise direction of the casing to result in a change of the tilt angle of the fins relative to the front wall of the casing.

Abstract: A projection device comprises a plurality of elements, a base seat and an outer cover. The elements are used for respectively executing specific functions to cause the projection device to operate. The base seat comprises a first side surface and a second side surface, an element fixing structure is disposed on the first side surface and used for fixing the elements, and a first fixing device is disposed on the second side surface. The outer cover comprises a third side surface and a fourth side surface, the third side surface is used for forming an outlook surface and a second fixing device is disposed on the fourth side surface. The elements are installed on the element fixing structure, the first fixing device and the second fixing device are combined together when the projection device is assembled.