Abstract: A projection device according to the present disclosure includes a light source unit, an image formation unit, a projection optical unit, and a housing which has a first surface and a second surface opposed to each other, and is configured to house the light source unit, the image formation unit, and the projection optical unit, wherein the first surface includes a first region, and a second region lower in height from the second surface than the first region, and a receiving part on which a suspending attachment is mounted is disposed in the second region.

Abstract: The present disclosure refers to a light module, comprising a lens unit, which is formed with a bottom, a lid and one or more side walls between the bottom and the lid, wherein the one or more side walls provide one or more insertion openings; a printed circuit board unit, which carries one or more light sources and is inserted into the lens unit through a first insertion opening of the one or more insertion openings such that light emitted by the one or more light sources exits the light module through the bottom and/or the lid of the lens unit; and a housing unit, which is provided with a bottom opening, a lid opening and one or more side walls between the bottom opening and the lid opening, wherein the lens unit is arranged within the housing unit such that the bottom opening of the housing unit is closed by the bottom of the lens unit, the lid opening of the housing unit is closed by the lid of the lens unit, and the one or more insertion openings of the lens unit is closed by the one or more side walls o

Abstract: An optical element according to the present disclosure includes a main body part including an optical part having an optical surface, and a support part which is provided to the optical part, and which is to be supported by a support body, and a functional layer which is provided as a film to the main body part, wherein the functional layer is disposed so as to cover the optical surface of the optical part, and so as not to cover at least a part of the support part.

Abstract: A lens holder which supports a projection lens is screwed and fixed to a bracket which supports a spatial light modulator. A positioning pin configured to position the lens holder in a left-right direction with respect to the bracket is inserted into a long hole which is formed in the bracket and extends in a lamp front-rear direction. The screwing and fixing is performed in a state where the positioning pin is inserted into the long hole and is appropriately moved in the lamp front-rear direction, so that the lens holder is restricted from being displaced in a left-right direction with respect to the bracket, and it is possible to finely adjust a positional relationship between the projection lens and the spatial light modulator in the lamp front-rear direction.

Abstract: The present disclosure relates to a light source apparatus including a laser light source that outputs a laser beam and a collimator system that parallelizes the laser beam. The collimator system includes three lens groups. A first group includes a first anamorphic lens having negative power in a first direction. A second group includes a second anamorphic lens having positive power in a second direction perpendicular to the first direction. A third group includes a third anamorphic lens having positive power in the first direction.

Abstract: A projection lens that is mounted on a housing of a projection device including an electro-optical element includes a first holding unit which is connected to the housing and through which light parallel to a first optical axis serving as an optical axis corresponding to luminous flux incident from the housing passes, a second holding unit through which light parallel to a second optical axis obtained from bending of the light parallel to the first optical axis passes and which is rotated with respect to the first holding unit in a rotatable range less than 360°, a first rotation control unit that controls rotation of the second holding unit, and a first electric drive unit. The first rotation control unit is provided on a first outer peripheral surface of one of the first holding unit and the second holding unit. The first electric drive unit is provided on a second outer peripheral surface of the other of the first holding unit and the second holding unit.

Abstract: A special effects system for creating a unique walking character effect or illusion. The character appears to the observer to be a physical character or to have dimensionality rather than being two dimensional. The illusion or effect is achieved by mounting a projector and a thin, vertical, flat screen onto an automated cart or sled. The cart is adapted to roll on a track positioned to run from a backdrop or backwall toward a viewing space in which one or more observers or viewers may be located during system operations. The media (or video file) of the character walking is projected on the projection surface of the screen element with the projector. The sled or cart is triggered to roll forward toward the viewing space as the media is playing so that the projected image appears to be moving and getting closer to the viewer.

Abstract: A lens apparatus includes a first cam follower engaged with a cam groove and a first rectilinear groove, and configured to move forward and backward in an optical axis direction of the lens apparatus with rotation of the cam barrel, a second movable member including a second cam follower engaged with the cam groove and a second rectilinear groove, and configured to move forward and backward in the optical axis direction with rotation of the cam barrel, a contacting member provided on the first movable member, and a biasing member configured to bias the contacting member. The contacting member includes a first contacting portion that contacts the second movable member, the second movable member includes a second contacting portion that contacts the first contacting portion, and at least one of the first contacting portion and the second contacting portion inclines to the optical axis direction.

Abstract: A component assembly includes a first component, such as an optical component, and a second component, such as a support component, having different coefficients of thermal expansion (CTEs). The component assembly also includes a spacer having a CTE matched to that of the first component, disposed between the first component and the second component. When the CTE of the first component is greater than that of the second component, the second component includes a protrusion, and the spacer includes a complementary opening for receiving the protrusion, such that a joint between the protrusion and the complementary opening is under compressive stress. The spacer also includes a mounting area for receiving the first component, and an air gap disposed between the first component and the protrusion.

Abstract: An electronic device including a camera module is provided. In some embodiments, the electronic device includes a display device, a housing including an outer cover, and a camera module including an image sensor, a camera module circuit board, and an optical element. The outer cover defines a cavity, and the camera module is positioned at least partially within the cavity.

Abstract: An imaging optical system includes a plurality of lens groups each moving such that spaces between each one of the plurality of lens groups change during a zooming. The imaging optical system conjugates a conjugate point on a magnification side and an intermediate imaging position, and conjugates a conjugate point on a reduction side and the intermediate imaging position. The imaging optical system includes a first lens group located at a furthest place on the magnification side and a rear group in this order from the magnification side toward the reduction side. The first lens group includes a field curvature correction lens group moving along an optical axis when an amount of a field curvature is changed, and a focusing lens group. The imaging optical system satisfies condition (4) below: |{(1??cw2)×?crw2}/{(1??fw2)×?frw2}|<0.

Abstract: A projector apparatus that can effectively reduce bending of a base plate supporting a lens shifting unit thereon and facilitates replacement of unit parts in the event of a failure is provided. The projector apparatus includes: a base plate attached inside a projector body; a lens supporting unit attached to the base plate and supporting a projection lens so as to be movable relative to the base plate; guiding mechanisms for guiding the lens supporting unit so as to be freely movable in a horizontal direction and a normal direction relative to the base plate; and fixing devices which fix the base plate to the projector body. The fixing devices include a plurality of first fixing devices provided at a peripheral edge of the base plate, and second fixing devices provided on an inner side of the plurality of first fixing devices.

Abstract: In a projector, a first fixation section and a second fixation section are formed at two places located at a distance in an optical axis direction in a lens barrel of a projection optical system. A holding member has contact with the first fixation section from an optical axis direction-rear side, and is fixed, an optical component housing of an illumination light guide optical system has contact with the holding member from the optical axis direction-rear side, and is fixed. A light modulating/combining optical system for generating image light has contact with the second fixation section from the optical axis direction-rear side and is fixed. In other words, the light modulating/combining optical system is directly fixed to the lens barrel without the intervention of the holding member for fixing the illumination light guide optical system to the lens barrel.

Abstract: [Solving Means] A projector according to the present technology includes a lightbulb, a projection section, and a replacement mechanism. The lightbulb modulates light. The projection section projects light modulated by the lightbulb. The replacement mechanism holds a transmissive member arranged on an optical path between the lightbulb and the projection section and is capable of replacing the transmissive member.

Abstract: A light source apparatus according to an embodiment of the present technology includes a first unit and a second unit. The first unit includes a light source portion and a first dustproof structure portion that covers the light source portion. The second unit is connected to the first unit and includes a light-emitting body that emits visible light by being excited by emission light emitted from the light source portion and a second dustproof structure portion that covers the light-emitting body.

Abstract: A light source unit, light source apparatus (100) and an image display device (800), each including at least two reflecting surfaces (35, 37) configured to reflect a first light and/or collect the first light to a point on a light emitter, at least one (35) of the at least two reflecting surfaces (35, 37) is an aspheric reflecting surface.

Abstract: Disclosed embodiments include a MEMS lens system comprising a first lens holder comprising a first lens, an aperture layer comprising an aperture, a lens actuator system, and an image sensor.

Abstract: A projection lens adjusting module including at least one adjusting assembly and a base is provided. The at least one adjusting assembly includes a first screw fitting member and a stop structure. The stop structure has a first stop portion and a second stop portion opposite to each other, the first screw fitting member leans against the first stop portion, and a part of a projection lens is clamped between the first screw fitting member and the second stop portion. The first screw fitting member is screwed to the base and is configured to rotate relative to the base, so as to drive the adjusting assembly and the projection lens to move relative to the base. A projector using the aforementioned projection lens adjusting module is also provided. The projection lens adjusting module and the projector of the disclosure are capable of stably fixing the projection lens.

Abstract: A projection display apparatus includes: a micromirror device that reflects light on an image display surface to emit image light; a prism unit that bends an optical path of the image light emitted from the micromirror device; and a projection optical system that includes a diaphragm and that projects the image light emitted from the prism unit onto a screen, wherein the image display surface is formed with a plurality of micromirrors, and an image is formed on the image display surface through ON/OFF control on a tilt of a surface of each of the micromirrors and intensity modulation on incident light, the prism unit has an air gap tilted at a predetermined angle with respect to a principal ray of the image light emitted from the center of the image display surface, and the image light emitted from the micromirror device passes through the air gap.

Abstract: Methods and apparatus for controlled shadow casting to increase the perceptual quality of projected content are disclosed. In some examples, an apparatus is to increase a perceptual quality of content projected onto a projection surface. In some examples, the apparatus includes a shutter position determiner to determine a target shutter position for a shutter based on a location of a light source and a location of the projection surface. In some disclosed examples, the apparatus further includes a shutter controller to move the shutter to the target shutter position to cast a shadow onto the projection surface around a portion of the content projected onto the projection surface.

Abstract: In a case where an image forming panel is disposed to be shifted with respect to an optical axis of a projection lens having a lens barrel holding the lens, in the lens barrel, the increase in temperature in a first part on a side to which the image forming panel is shifted is larger than that in a second part on an opposite side. A temperature adjustment section includes a cooling duct, a heating duct, a connecting duct, and blowers 27 and. Air, which is suctioned from an inlet of the cooling duct, is passed through the first part, a light source, and the second part, sequentially by the blowers. The air cools down the first part, and heats the second part. Thereby, the temperature distribution in the circumferential direction of the lens barrel becomes uniform, and deterioration of the projected image is suppressed.

Abstract: A disclosed projection optical apparatus includes a plurality of lenses, each of the lenses having a flat surface in a part of an outer circumference; a lens holder having a hollow cylindrical shape and configured to hold the lenses; and a vent hole formed of gaps communicating between the flat surfaces of the lenses and the lens holder.

Abstract: One holder of the first and second holders in an optical apparatus has first and second adjustment face groups. The first and second adjustment face groups respectively include a plurality of first adjustment faces and a plurality of second adjustment faces. The second adjustment face group is provided along a first rotation direction from the first adjustment face group. The other holder has first and second abutting portions respectively abutting against any one of the plurality of first and second adjustment faces. A position on the optical axis of an adjustment face arranged at an end in a second rotation direction opposite to the first rotation direction among the plurality of first adjustment faces is approximately equal to a position on the optical axis of an adjustment face arranged at an end in the first rotation direction among the plurality of second adjustment faces.

Abstract: A mirror device may include: a mirror including a base plate, a reflective film on a first surface of the base plate, and a plurality of first protrusions on a second surface of the base plate; a plurality of support parts for respectively supporting the plurality of the first protrusions, each support part having a groove formed therein for guiding the first protrusion; and a plurality of clamps for respectively pressing the plurality of the first protrusions against the respective grooves in the plurality of the support parts.

Abstract: A central position detection section has a detection width in which the central position has a median value along one axial direction. When the direction from a position, which is located at the time at which returning is started toward the central position is defined as a go direction, the control section commands that a drive mechanism should sequentially perform following operations: a first operation of driving a projection lens assembly in the go direction; a second operation of allowing the projection lens assembly to travel in a return direction at least by the detection width; and a third operation of allowing the projection lens assembly to travel in the detection width in the go direction by ½ of the detection width traveled in the go direction.

Abstract: A mirror device may include: a mirror including a base plate, a reflective film on a first surface of the base plate, and a plurality of first protrusions on a second surface of the base plate; a plurality of support parts for respectively supporting the plurality of the first protrusions, each support part having a groove formed therein for guiding the first protrusion; and a plurality of clamps for respectively pressing the plurality of the first protrusions against the respective grooves in the plurality of the support parts.

Abstract: A zoom lens includes a front group, an aperture stop, and a rear group. The front group includes a lens unit configured not to move during zooming and a front variable power lens unit including one or more lens units and configured not to move during zooming. The rear group includes, in order from a magnification conjugate side to a reduction conjugate side, a rear variable power lens unit having one or more lens units and configured to move during zooming, and a lens unit configured not to move during zooming. The aperture stop moves during zooming, and the front group has an auxiliary stop which moves during zooming. A length from a focal point position of the front group to the aperture stop, and imaging magnifications of the rear group, at a wide angle end and a telephoto end, are set to adequate values.

Abstract: A lens frame configured to hold a lens of an optical system of a projector comprising: a holder being formed along the periphery of the lens, holds the lens which is inserted by an elastic force of the frame main body, the holder includes a first holding portion configured to hold a peripheral end surface of the lens, and a second holding portion configured to hold a luminous flux incidence surface and luminous flux exit surface of the lens.

Abstract: A projector includes: a main body section including a light source, a display surface illuminated by light from the light source, and an emission optical system adapted to emit light from the display surface; and a projection unit adapted to project light from the display surface toward an irradiated surface, the light being emitted from the emission optical system, wherein the projection unit includes an image plane control optical system adapted to change the light emitted from the emission optical system to light forming an image plane of the display surface tilted with respect to the display surface, and an angle-widening mirror with a concave surface having positive power and adapted to reflect light forming an image plane of the display surface tilted with respect to the display surface and widen an angle of the light.

Abstract: A supplemental optic system supported by a forward support structure azimuthally hinged from a forward portion of a track of an overhead support system cooperates with a light projector operatively coupled to the track. The track is suspended from a slider operatively coupled to a support post depending from an associated ceiling mount structure. The position of the slider within the track provides for minimizing the torque on the support post as a result of the distribution of weights of the light projector and the supplemental optic system.

Abstract: An illumination device having a number of light sources and a number of light collectors. The light collectors collect light generated by the light sources and convert the light into a source light beam propagating primarily along a primary optical axis. The light sources and the light collectors can be part of a light source module. The light source module can include a cooling module comprising a number of interconnected plane mounting surfaces angled in relation to each other, with the light sources arranged on said plane mounting surfaces. The cooling module can include a first side comprising the mounting surfaces and a second side comprising a number of cooling fins defining a number of radial air channels.

Abstract: In addition to reflective light modulation devices, reflective polarization plates, a color combining optical device, and support bodies, a projector is provided with connection members fixed to the color combining optical device and for supporting the support bodies. Support positions of the support body by the connection members are disposed on the opposite side to the disposition position of the reflective light modulation device with respect to a plane including a polarization split surface of the reflective polarization plate.

Abstract: The lens shifting device includes: first plate through which video light passes; second plate connected to first plate via elastic member and having projection lens attached to a position into which the video light that passed through first plate enters; slider disposed to project from second plate and housed in first plate to be movable in a predetermined direction; and guide shaft attached to first plate in the state of being engaged with slider and rotated to move the second plate. Elastic member is disposed between first plate and second plate to connect first plate and second plate in the state of generating an elastic contraction force.

Abstract: A unit magnification Wynn-Dyson lens for microlithography has an image field sized to accommodate between four and six die of dimensions 26 mm×36 mm. The lens has a positive lens group that consists of either three or four refractive lens elements, with one of the lens elements being most mirror-wise and having a prism-wise concave aspheric surface. Protective windows respectively reside between object and image planes and the corresponding prism faces. The lens is corrected for at least the i-line LED wavelength spectrum or similar LED-generated wavelengths.

Abstract: A projector includes a lens driving section that drives a lens section having a projection lens, an accepting section that accepts first control value indication information indicating a first control value including a drive instruction value of the lens section, a determining section that determines whether a drive instruction direction for the lens section is a first drive direction that is same as the last drive direction or a second drive direction that is different from the last drive direction, and a control section that drives the lens section by using a second control value whose drive instruction value is greater than the drive instruction value of the first control value in case that the drive instruction direction is the second drive direction.

Abstract: A projector includes: alight source; a light modulation device configured to modulate light emitted from the light source according to image information; a projection lens configured to project the light modulated by the light modulation device; a holding unit that holds the projection lens; an external housing that accommodates the projection lens and the holding unit; and a clamping portion that projects from the inner surface of the external housing and clamps the projection lens or the holding unit in a direction substantially perpendicular to the optical axis of the projection lens.

Abstract: The shield includes: a first dust-proof wall that is shiftable integrally with the projection lens, and has width a1 projecting from the projection lens to an A side; and a second dust-proof wall that is slidable within a range regulated by the regulator, and has length b1 on the A side. When the second dust-proof wall has length c2 shiftable to a B side, the projection lens and the second dust-proof wall form a space having length d1 on the A side, and the projection lens and the frame form a space having length e1 on the A side, a1?d1, b1?e1?d1, and b1+d1?e1?c2 are satisfied.

Abstract: A projection type display apparatus including an oblique projection optical system having a plurality of lenses is disclosed. A lens nearest to a projection screen has a vertical effective image area through which a light flux passes. The lens is arranged at a position not including an optical axis shared by the largest number of lenses among the plurality of lenses. A flat mirror for returning the optical path is arranged between the particular lens and the projection screen at a predetermined angle to the optical axis. An enlarged image obtained by the light flux returned by the flat mirror is formed toward a display screen.

Abstract: A projector includes a projector body, a mount fixed to a top of the projector body, and a projector lens assembly rotatably mounted to a top of the mount and electrically connected to the projector body. An inputting module and a processor are arranged in the projector body. A light source, a light engine, and a lens are arranged in the projector lens assembly. The inputting module receives image data and sends the image data to the processor. The processor creates instructions according to the image data. The projector lens assembly projects an image which reflects the image data, according to the instructions.

Abstract: A light source device is provided which includes a light source holding member in which light source elements are arranged, a lens array which has a plurality of lens portions which are arranged so as to correspond to the light source elements, respectively, and formed integrally with a plate-like base portion, and an array holding member for holding the lens array, wherein the lens array has hole portions through which fixing screw members are inserted, wherein the array holding member has threaded hole portions in positions which correspond to the hole portions, and wherein the fixing screw members pass through the hole portions in the lens array and are then brought into engagement with the threaded hole portions in the array holding member to thereby allow the lens array and the array holding member to be disposed to adhere to each other.

Abstract: The image projection apparatus includes a light modulating element modulating light according to an image signal, a correcting part performing correction processing on the image signal to decrease geometric distortion in a projection image by using correction data, a memory storing first correction data corresponding to interchangeable optical units, and a controller acquiring identification information of the interchangeable optical unit attached to the apparatus, reading the first correction data corresponding to the acquired identification information from the memory, and setting the read first correction data as the correction data for the correction processing. The controller acquires, when no first correction data corresponding to the acquired identification information is stored in the memory, second correction data stored in a memory in the attached interchangeable optical unit, and sets the acquired second correction data as the correction data for the correction processing.

Abstract: A projection type display apparatus including an oblique projection optical system having a plurality of lenses is disclosed. A lens nearest to a projection screen has a vertical effective image area through which a light flux passes. The lens is arranged at a position not including an optical axis shared by the largest number of lenses among the plurality of lenses. A flat mirror for returning the optical path is arranged between the particular lens and the projection screen at a predetermined angle to the optical axis. An enlarged image obtained by the light flux returned by the flat mirror is formed toward a display screen.

Abstract: There is provided a projection image display apparatus which is excellent in quality of a display screen image even if a projection lens using a plastic lens having an asymmetrical shape with respect to an optical axis is used. The apparatus includes a projection lens which obliquely projects video light on a screen, an integrator which aligns a polarization direction of light from a light source, and an image display element (P, PL) which modulates light having the aligned polarization direction by an image signal. The projection lens includes multiple plastic lenses, and each of the multiple plastic lenses is arrayed, respectively, by shifting a gate direction to each other by 180 degrees. When the projection lens includes n sheets (n is a natural number) of plastic lenses, each of the multiple plastic lenses may be arrayed, respectively, by shifting a gate direction to each other by (360/n) degrees.

Abstract: A multi-resolution display system including a desktop display area, a foveal projection device, a sensor, a control unit, and a manually adjustable fixture is provided. The desktop display area displays a central image and a low-resolution image. The control unit determines six-dimensional (6D) orientation information of the foveal projection device relative to the desktop display area according to a projected image detected by the sensor, so as to control the foveal projection device to project the central image within a target area on the desktop display area. The manually adjustable fixture fixes the foveal projection device on top of the desktop display area, and the movement of the manually adjustable fixture has a freedom of up to six dimensions.

Abstract: A mobile electronic device includes an image projector configured to project an image, a vibration generating unit configured to generate a vibration and adjust an intensity of the vibration, and a control unit configured to control the vibration generator. The control unit is configured to control the vibration generator to adjust the intensity of the vibration based on an image projecting status of the image projector.

Abstract: A biocular display system is provided for use with a transmissive micro-LCD display and a biocular lens, where the biocular system includes a relay lens that can transfer a digital image from the transmissive micro-LCD display to a micro-resolution screen surface where a micro-diffusion surface is applied to a single planar transparent substrate that has a smooth surface on a side opposite the micro-diffusion surface, and the micro-diffusion surface has at least some surface features that can diffuse the light passing therethrough at greater than a 60-degree diffusion angle.

Abstract: A packaging product for projectors is described, wherein the package contains a projector which has been preloaded with program material for projection, and wherein a prospective purchaser of the projector may see a preview of the program material which is contained in the projector. The controls for the projector are available within an opening in the package, and a visible light reflective surface is provided to view the projected image. In this manner, the prospective purchaser will obtain an idea of the nature of the program material contained within the projector, as well as being able to determine the functionality of the projector and, to a greater or lesser extent, the quality of the projection.

Abstract: A projection lens for projecting images with high degrees of image offset while limiting the physical offset of the projection lens elements. The projection lens arrangement limits the displacement of the optical elements relative to the optical axis of the display panel and enables a very thin, efficient projector.

Abstract: An object-side lens group has different power factors between the vertical and horizontal directions of a liquid crystal panel, and a projection system as a whole therefore has different focal lengths between the vertical and horizontal directions and hence different magnification factors between the vertical and horizontal directions, whereby the aspect ratio of an image on the liquid crystal panel can be set at a value different from the aspect ratio of an image projected on a screen. That is, the projection system can convert the aspect ratio, which is the ratio of the width to the height of an image. When the distance between a diaphragm and an extreme end surface of the object-side lens group on the screen side satisfies a predetermined condition, at least a certain degree of telecentricity can be provided both in the vertical and horizontal directions.

Abstract: A projector includes: an electro-optic device which modulates light emitted from a light source; a projection lens which projects the light modulated by the electro-optic device; and a lens shift mechanism which shifts the projection lens in a direction perpendicular to the optical axis of the projection lens, wherein the lens shift mechanism includes a shift unit which supports the projection lens and shifts the projection lens in the direction perpendicular to the optical axis, a guide unit which guides the shift of the shift unit, and a drive unit which moves the shift unit, and the drive unit includes a rotation section as a rotated part which has a first bevel gear rotating around a center axis extending in the same direction as that of the optical axis, and a transmission section which has a second bevel gear engaging with the first bevel gear and transmits the rotation of the rotation section to the shift unit.