Abstract: An illumination system configured to provide an illumination beam is provided and includes a light-source module and a first and a second wavelength conversion devices. The light-source module provides a first and a second excitation beams. The first wavelength conversion device is disposed on a path of the first excitation beam and has first regions and at least one first boundary disposed between every two adjacent first regions. The second wavelength conversion device is disposed on a path of the second excitation beam and has second regions and at least one second boundary disposed between every two adjacent second regions. The second regions correspond to the first regions. A time point when the first boundary gets into the path of the first excitation beam is different from a time point when the second boundary gets into the path of the second excitation beam. A projection apparatus is also provided.

Abstract: A projection device includes: an illumination system providing an illumination beam; a light valve arranged on a transmission path of the illumination beam and converting the illumination beam into an image beam; a projection lens arranged on a transmission path of the image beam and projecting the image beam out of the projection device; a first actuating module connecting and moving a first element, so that the image beam shifts back and forth along at least one of the first, second, and third directions; and a second actuating module connecting and moving a second element, so that the image beam shifts back and forth along at least one of the first, second, and third directions. The first and second directions are perpendicular. The third and first directions form an angle of 45 degrees, so do the third and second directions. The first and second elements are different.

Abstract: An optical component fixing structure includes a bearer and at least two or more clamping pieces. The bearer has an accommodating opening, at least two or more sliding trenches and at least two or more protuberances. The protuberance is disposed in the sliding trench. After the clamping piece is moved into the sliding trench, the protuberance is engaged with the retaining hole and at least one of the two sidewalls covers portion of the accommodating opening to fit with the bearer to fix a lens in the accommodating opening. The invention provides a projector using the optical component fixing structure. The projector including a body, and a light source system, the optical component fixing structure, a light valve and a projecting lens are accommodated and fixed in the body.

Abstract: An optical engine module including a circuit board, a light valve module, a thermal conductive member, and a supporting member is provided. The circuit board having a first surface, a second surface opposite to the first surface, a first opening hole and at least one second opening hole. The light valve module is disposed on the first surface and electrically connected to the circuit board. The thermal conductive member is disposed on the second surface of the circuit board and is connected to a back surface of the light valve module through the first opening hole of the circuit board. A supporting member is disposed on one side of the first surface of the circuit board. The supporting member is partially in contact with the light valve module, and is connected to the thermal conductive member through the at least one second opening hole of the circuit board.

Abstract: An optical element adjusting mechanism is provided, including a frame, a carrier, and an optical element. The frame includes a plurality of first positioning portions. The carrier includes a hollow body, a first axial portion connected to the hollow body, and a plurality of second positioning portions connected to the hollow body. The hollow body is connected to the frame through the first axial portion. The plurality of second positioning portions are disposed corresponding to the plurality of first positioning portions. The optical element is fixed on the hollow body. The plurality of second positioning portions are fixed to the plurality of first positioning portions through a plurality of adhesives. An optical element adjusting system and a projection device are also proposed. The optical element adjusting mechanism, the optical element adjusting system, and the projection device quickly, easily, and accurately adjust a rotation angle of the optical element.

Abstract: An actuator including a frame body, a base, a first drive assembly, a second drive assembly, and an optical element is provided. The frame body includes the first frame portion and the second frame portion. The base surrounds the frame body. The first drive assembly is disposed between the base and the first frame portion. The second drive assembly is disposed between the base and the second frame portion. When the actuator is set to a first mode, a phase difference between the first drive assembly and the second drive assembly is substantially 0 degrees, and the optical element exhibits a first actuation mode relative to the base. Alternatively, when the actuator is set to the second mode, the phase difference between the first drive assembly and the second drive assembly is substantially 90 degrees, and the optical element exhibits a second actuation mode relative to the base.

Abstract: An illumination system configured to provide an illumination beam is provided and includes a light-source module and a first and a second wavelength conversion devices. The light-source module provides a first and a second excitation beams. The first wavelength conversion device is disposed on a path of the first excitation beam and has first regions and at least one first boundary disposed between every two adjacent first regions. The second wavelength conversion device is disposed on a path of the second excitation beam and has second regions and at least one second boundary disposed between every two adjacent second regions. The second regions correspond to the first regions. A time point when the first boundary gets into the path of the first excitation beam is different from a time point when the second boundary gets into the path of the second excitation beam. A projection apparatus is also provided.

Abstract: An optical element adjusting mechanism is provided, including a frame, a carrier, and an optical element. The frame includes a plurality of first positioning portions. The carrier includes a hollow body, a first axial portion connected to the hollow body, and a plurality of second positioning portions connected to the hollow body. The hollow body is connected to the frame through the first axial portion. The plurality of second positioning portions are disposed corresponding to the plurality of first positioning portions. The optical element is fixed on the hollow body. The plurality of second positioning portions are fixed to the plurality of first positioning portions through a plurality of adhesives. An optical element adjusting system and a projection device are also proposed. The optical element adjusting mechanism, the optical element adjusting system, and the projection device quickly, easily, and accurately adjust a rotation angle of the optical element.

Abstract: An actuator including a frame body, a base, a first drive assembly, a second drive assembly, and an optical element is provided. The frame body includes the first frame portion and the second frame portion. The base surrounds the frame body. The first drive assembly is disposed between the base and the first frame portion. The second drive assembly is disposed between the base and the second frame portion. When the actuator is set to a first mode, a phase difference between the first drive assembly and the second drive assembly is substantially 0 degrees, and the optical element exhibits a first actuation mode relative to the base. Alternatively, when the actuator is set to the second mode, the phase difference between the first drive assembly and the second drive assembly is substantially 90 degrees, and the optical element exhibits a second actuation mode relative to the base.

Abstract: A projection device including an illumination system, a polarization beam splitting component, a first light valve, a second light valve, and a projection lens is provided. The polarization beam splitting component is disposed on a transmission path of the beams of multiple colors that are transmitted from the illumination system in time sequence. The polarization beam splitting component splits each color beam into a first polarization beam and a second polarization beam having polarization states perpendicular to each other. The first light valve is disposed on a transmission path of the first polarization beam and converts the first polarization beam into a first image beam. The second light valve is disposed on a transmission path of the second polarization beam and converts the second polarization beam into a second image beam. The projection lens is disposed on transmission paths of the first image beam and the second image beam.

Abstract: An imaging system and a projection device are provided. The imaging system includes a first reflective display, a second reflective display, and a light combining element. The first reflective display is configured to provide a first image beam. The second reflective display has the same pixel configuration as the first reflective display, and the second reflective display is configured to provide a second image beam. The light combining element is disposed on transmission paths of the first image beam and the second image beam. The light combining element has a light combining surface, and positions of the first image beam and the second image beam reflected on the light combining surface by pixels in corresponding positions in the first reflective display and the second reflective display are dislocation. The invention maintains good reliability while improving resolution of an image screen.

Abstract: A vibration optical module includes a base, a first frame, an optical component, and an actuating assembly. The first frame has at least one first shaft portion. The first frame is connected to the base at least by the at least one first shaft portion. The optical component is disposed in the first frame. The actuating assembly is disposed on the base. The Young's modulus of the material of the base is higher than that of the material of the at least one first shaft portion. The actuating assembly drives the first frame to drive the optical component to vibrate back and forth relatively to the base within an angle by elastic deformation of the at least one first shaft portion. The vibration optical module can save configuration space. A projector having the vibration optical module is also provided. The vibration optical module of the projector can save configuration space.

Abstract: An optical component fixing structure includes a bearer and at least two or more clamping pieces. The bearer has an accommodating opening, at least two or more sliding trenches and at least two or more protuberances. The protuberance is disposed in the sliding trench. After the clamping piece is moved into the sliding trench, the protuberance is engaged with the retaining hole and at least one of the two sidewalls covers portion of the accommodating opening to fit with the bearer to fix a lens in the accommodating opening. The invention provides a projector using the optical component fixing structure. The projector including a body, and a light source system, the optical component fixing structure, a light valve and a projecting lens are accommodated and fixed in the body.

Abstract: An imaging system and a projection device are provided. The imaging system includes a first reflective display, a second reflective display, and a light combining element. The first reflective display is configured to provide a first image beam. The second reflective display has the same pixel configuration as the first reflective display, and the second reflective display is configured to provide a second image beam. The light combining element is disposed on transmission paths of the first image beam and the second image beam. The light combining element has a light combining surface, and positions of the first image beam and the second image beam reflected on the light combining surface by pixels in corresponding positions in the first reflective display and the second reflective display are dislocation. The invention maintains good reliability while improving resolution of an image screen.

Abstract: A projection device including an illumination system, a polarization beam splitting component, a first light valve, a second light valve, and a projection lens is provided. The polarization beam splitting component is disposed on a transmission path of the beams of multiple colors that are transmitted from the illumination system in time sequence. The polarization beam splitting component splits each color beam into a first polarization beam and a second polarization beam having polarization states perpendicular to each other. The first light valve is disposed on a transmission path of the first polarization beam and converts the first polarization beam into a first image beam. The second light valve is disposed on a transmission path of the second polarization beam and converts the second polarization beam into a second image beam. The projection lens is disposed on transmission paths of the first image beam and the second image beam.

Abstract: A projection device includes a light source module, a light engine module and a projection lens. The light source module is used for emitting an illumination beam. The light engine module is used for receiving the illumination beam and converting the illumination beam into an image beam. The light engine module includes a first shell, a second shell, an elastic sealing member and an electronic component. The second shell and the first shell are combined with each other to form an accommodation space. The elastic sealing member is disposed between the first shell and the second shell for sealing a junction of the first shell and the second shell. The electronic component connects with a transmission cable. The transmission cable is penetratingly disposed at the elastic sealing member to penetrate out of the first shell and the second shell. The projection lens is used for receiving and projecting the image beam.

Abstract: A projection device includes a light source module, a light engine module and a projection lens. The light source module is used for emitting an illumination beam. The light engine module is used for receiving the illumination beam and converting the illumination beam into an image beam. The light engine module includes a first shell, a second shell, an elastic sealing member and an electronic component. The second shell and the first shell are combined with each other to form an accommodation space. The elastic sealing member is disposed between the first shell and the second shell for sealing a junction of the first shell and the second shell. The electronic component connects with a transmission cable. The transmission cable is penetratingly disposed at the elastic sealing member to penetrate out of the first shell and the second shell. The projection lens is used for receiving and projecting the image beam.

Abstract: The present application discloses an image capture device, including an image capture unit, a processing unit, and a storage unit. The image capture unit captures a plurality of exposure image during exposure duration. The processing unit is electrically connected to the image capture unit, and the processing unit enables the display unit to display the plurality of exposure images captured by the image capture unit during the exposure duration. The storage unit is electrically connected to the processing unit, and the storage unit controls the storage unit to selectively store at least one of the plurality of the exposure images displayed by the display unit.