Abstract: The disclosure includes a light source apparatus that emits a light. In one example, the light source apparatus includes a connector that electrically connects the light source apparatus to a light source driver in a projector and a light source apparatus housing that houses the light source apparatus. The light source apparatus housing includes a rotatable handle having two positions, a standing position used to grasp and remove the light source apparatus in a pulling-out direction, and a housed position used to house the rotatable handle. The handle includes two shaft portions that are inserted into the light source apparatus housing. The tips of the shaft portions face each other. The positions of the medial axes of the shaft portions are mutually offset from each other.

Abstract: A projector includes: an external housing that includes a projection opening and an exhaust port arranged on the same side as the projection opening; an axial-flow fan that causes air to flow therein with the rotation of blades and delivers the air flowing therein; and a plurality of slats that are arranged at the exhaust port and guide the air delivered from the axial-flow fan to an outside. The plurality of slats include an elongated slat that is disposed in, among four exhaust areas arranged side by side in the exhaust port, one of the two exhaust areas on the side close to the projection opening and whose length in a direction in which the air is guided corresponding to a rotational direction of the blade is longer than that of the slats disposed in the other areas.

Abstract: A projector includes: an external housing that includes a projection opening and an exhaust port arranged on the same side as the projection opening; an axial-flow fan that causes air to flow therein with the rotation of blades and delivers the air flowing therein; and a plurality of slats that are arranged at the exhaust port and guide the air delivered from the axial-flow fan to an outside. The plurality of slats include an elongated slat that is disposed in, among four exhaust areas arranged side by side in the exhaust port, one of the two exhaust areas on the side close to the projection opening and whose length in a direction in which the air is guided corresponding to a rotational direction of the blade is longer than that of the slats disposed in the other areas.

Abstract: The disclosure includes a light source apparatus that emits a light. In one example, the light source apparatus includes a connector that electrically connects the light source apparatus to a light source driver in a projector and a light source apparatus housing that houses the light source apparatus. The light source apparatus housing includes a rotatable handle having two positions, a standing position used to grasp and remove the light source apparatus in a pulling-out direction, and a housed position used to house the rotatable handle. The handle includes two shaft portions that are inserted into the light source apparatus housing. The tips of the shaft portions face each other. The positions of the medial axes of the shaft portions are mutually offset from each other.

Abstract: A light source apparatus includes a light source apparatus body that emits light, and a light source apparatus housing that houses the light source apparatus body. The light source apparatus body includes a connector that electrically connects the light source apparatus body to a light source driver. The light source apparatus housing includes a handle used to grasp the light source apparatus and a connector holder that holds the connector. The handle is connected to the connector holder.

Abstract: A projector includes an image projection device, an exterior chassis accommodating the substantially L-shaped image projection device, and a ventilation device configured to block leakage light and to insulate sound of the projector and to discharge air inside the exterior chassis to the outside through an air outlet formed on an end face located in a direction of projection. The image projection device includes a light source device, an optical modulation device, and a projection optical device. The ventilation device includes an axial fan with a suction port and a discharge port. An air outlet duct bends air discharged from the discharge port at an angle of substantially ninety degrees by a vertical wall substantially perpendicular to the discharging direction of air from the discharge port of the axial fan towards a side receding from the projection optical device to lead to the air outlet of the exterior chassis.

Abstract: A light source apparatus includes a light source apparatus body that emits light, and a light source apparatus housing that houses the light source apparatus body. The light source apparatus body includes a connector that electrically connects the light source apparatus body to a light source driver. The light source apparatus housing includes a handle used to grasp the light source apparatus and a connector holder that holds the connector. The handle is connected to the connector holder.

Abstract: A projector includes an image projection device including a light source device, a optical modulation device that modulates a light beam emitted from the light source device in accordance with image information, and an projection optical device that projects enlarged projection of the light beam modulated by the optical modulation device disposed in a substantially L-shape sequentially from one end to the other end, an exterior chassis accommodating the image projection device, and provided with an air outlet for discharging inside air to the outside formed on an end face of the projection optical device, the end face being located in a direction of projection, and a ventilation device that discharges air inside the exterior chassis to the outside and includes an axial fan provided with a suction port for sucking air and a discharge port for discharging the sucked air, and disposed in an area inside the exterior chassis and surrounded by the substantially L-shape of the image projection device and adjacent to

Abstract: An optical component casing includes a lower casing in which a plurality of optical components are arranged, a lid-shaped upper casing (472) that closes the lower casing, and an optical component holding frame (446) that holds an incident-side polarization plate and a visual-angle correcting plate for arranging them at predetermined positions inside the lower casing. An optical component holding frame supporting surface (4471A) is formed on an upper side of the upper casing (472) to rotatably support the optical component holding frame (446). The optical component holding frame (446) includes a polarization plate holding frame (4461) for holding the incident-side polarization plate, and a correcting plate holding frame (4462) for holding the visual-angle correcting plate.

Abstract: An exhaust sirocco fan exhausts the air inside the projector outside. An inlet of the exhaust sirocco fan is disposed along the plane orthogonal to the optical path plane formed by the optical unit, i.e. along the thickness direction of the projector. In other words, the optical unit or the exhaust sirocco fan need not be disposed in the thickness direction of the projector in an overlapping manner. Therefore, by efficiently sucking the inside air, the exhaust efficiency can be enhanced and calmness can be ensured in the projector.

Abstract: A projector comprises a light source device 413 in which a light source cooling air flow channel X for introducing a cooling air to an internal light source lamp 411 is formed and an internal housing 47 for housing an optical element unit 600, which subjects the light beam emitted from this light source device 413 to an optical processing. The internal housing 47 is formed with a pair of optical element cooling opening portions 471A, 472A, which are oppositely arranged by mutually pinching the optical element unit 600 in order to allow a cooling air to pass through according to the arrangement of the optical element unit 600. Further, the underside of the internal housing 47 is provided with a fan 54, in which a suction port 54A is directed to the opening portion 471A and an exhaust port 54B is connected to the light source cooling air flow channel X. Since an air flows along an arrow marked channel, the optical element unit 600 and the light source lamp 411 can be sufficiently cooled.

Abstract: An exhaust sirocco fan exhausts the air inside the projector outside. An inlet of the exhaust sirocco fan is disposed along the plane orthogonal to the optical path plane formed by the optical unit, i.e. along the thickness direction of the projector. In other words, the optical unit or the exhaust sirocco fan need not be disposed in the thickness direction of the projector in an overlapping manner. Therefore, by efficiently sucking the inside air, the exhaust efficiency can be enhanced and calmness can be ensured in the projector.

Abstract: An optical component casing includes a lower casing in which a plurality of optical components are arranged, a lid-shaped upper casing (472) that closes the lower casing, and an optical component holding frame (446) that holds an incident-side polarization plate and a visual-angle correcting plate for arranging them at predetermined positions inside the lower casing. An optical component holding frame supporting surface (4471A) is formed on an upper side of the upper casing (472) to rotatably support the optical component holding frame (446). The optical component holding frame (446) includes a polarization plate holding frame (4461) for holding the incident-side polarization plate, and a correcting plate holding frame (4462) for holding the visual-angle correcting plate.

Abstract: The invention provides a liquid crystal light valve that makes it possible to increase the life of a polarizer at a light-exiting-surface side of the liquid crystal light valve by reducing the burden thereon, and a projection display device that incorporates the liquid crystal light valve. In liquid crystal light valves that modulate incident light in accordance with image information, at least two corresponding polarizers are provided respectively at the light-exiting-surface sides of liquid crystal panels.

Abstract: A panel cooling system A has a pair of Sirocco fans 51A, 51B arranged at both sides of the radial direction of a projection lens 46, a suction duct portion 52A and an exhaust duct portion 52B. The suction duct portion 52A communicates a suction port of the undersurface of an armored case 2 with a suction side of each of the Sirocco fan 51A, 51B, and the exhaust duct portion 52B communicates an exhaust side of each of the Sirocco fans 51A, 51B and color lights R, G, B of an optical part.

Abstract: An exhaust sirocco fan exhausts the air inside the projector outside. An inlet of the exhaust sirocco fan is disposed along the plane orthogonal to the optical path plane formed by the optical unit, i.e. along the thickness direction of the projector. In other words, the optical unit or the exhaust sirocco fan need not be disposed in the thickness direction of the projector in an overlapping manner. Therefore, by efficiently sucking the inside air, the exhaust efficiency can be enhanced and calmness can be ensured in the projector.

Abstract: A projector comprises a light source device 413 in which a light source cooling air flow channel X for introducing a cooling air to an internal light source lamp 411 is formed and an internal housing 47 for housing an optical element unit 600, which subjects the light beam emitted from this light source device 413 to an optical processing. The internal housing 47 is formed with a pair of optical element cooling opening portions 471A, 472A, which are oppositely arranged by mutually pinching the optical element unit 600 in order to allow a cooling air to pass through according to the arrangement of the optical element unit 600. Further, the underside of the internal housing 47 is provided with a fan 54, in which a suction port 54A is directed to the opening portion 471A and an exhaust port 54B is connected to the light source cooling air flow channel X. Since an air flows along an arrow marked channel, the optical element unit 600 and the light source lamp 411 can be sufficiently cooled.