Coretronic Corporation

Ken-Teng Peng

Wei-Hao Chen

Kun-Chen Hsu

Kuo-Hsuan Fan

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.

Projection device

A light adjustment module is suitable for being disposed on a transmission path of a light beam. The light adjustment module comprises a housing, a moveable plate, a diffuser, and a light sensor. The housing comprises a base and a cover connected to each other. The cover has a light entrance. The moveable plate is disposed between the base and the cover. The moveable plate moves relative to the housing along a moving direction. The diffuser is disposed on the moveable plate and the transmission path of the light beam from the light entrance. The light sensor is disposed on the base to sense the light beam from the diffuser. The diffuser has at least two regions arranged in the moving direction. The at least two regions respectively have different optical properties. The light beam has different brightness after respectively passing through the at least two regions.

Light adjustment module

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.

Illumination system and projection apparatus

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.

Optical component fixing structure and projector

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.

Actuator, operation method thereof, and projector

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.

Optical element adjusting mechanism, optical element adjusting system, and projection device

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.

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.

Imaging system and projection device

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.

Growing community of inventors

Hsin-Chu, Taiwan

Ken-Teng Peng