Abstract: A system for projecting changeable electronic content, such as video or digital still images, onto a curved surface. The system includes a housing, a reflector within the housing, and a projector. The housing has an exterior surface and an interior space. At least a portion of the exterior surface is a curved display surface capable of displaying electronic content projected upon it, and at least one portion of the exterior surface has an aperture through the exterior surface to the interior space. The projector is located proximate the aperture for projecting content through the aperture to the reflector. When the projector receives converted content and projects the converted content through the aperture to the reflector, the curved display surface displays the converted content undistorted to a viewer. The system can also provide for display of branded content on a product container having a shape corresponding with the brand.

Abstract: A control device that controls a video signal to be input to a display device and controls the luminance of a light source that causes light to be incident on the display device includes: a light source luminance control section that controls the luminance of the light source by means of a light source luminance control signal; a storage section that stores relationships between light source luminance control signals and video correction amounts; a video correction signal generating section that generates, on the basis of the video correction amount that is stored in the storage section and corresponds to the generated light source luminance control signal, a video correction signal that is used to correct the video signal; and a video signal correcting section that corrects the video signal by means of the video correction signal.

Abstract: The present disclosure may provide an image projection apparatus including a light source configured to generate a light bundle, a display element configured to form an image using the light bundle, and a projection system configured to magnify and project the image, and may include a first and a second aspherical lens whose curved surfaces facing each other are disposed to be recessed in opposite directions to each other, and a mirror reflecting a light bundle refracted in the first and the second aspherical lens toward the outside.

Abstract: There is provided a projector comprising, a light source unit having a laser light emitter and a projection light producing device for converting the laser light into projection light, a display unit and a light guiding optical system which forms a projection optical path along which light from the light source unit is guided to the display device, the projector comprising a partial light separation unit which reflects or transmits part of light emitted from the projection light converting device of the light source unit so as to separate the part of the light to an optical path which is different from the projection optical path, a photosensor which is disposed on the optical path which is separated and changed by the partial light separation unit, a light intensity determination unit which detects an light intensity of the laser light which is separated by the partial light separation unit so as to determine whether or not the light intensity exceeds a threshold, and a light source control unit which stops

Abstract: To aim to provide a simple high-pressure discharge lamp apparatus. The lamp apparatus suppresses local temperature increase in an arc tube during lighting, and uniforms temperature in the arc tube. A lamp is built into a reflector so as to form a lamp unit such that a central axis of the lamp coincides with an optical axis of the reflector. A pair of rotating bodies with a fixed interval therebetween each has a circular outer circumferential surface, and the optical axis of the reflector coincides with a central axis of the circumferential surface of the rotating bodies. A pair of electrodes is electrically connected to the circumferential surface of each rotating body, and the rotating bodies are placed on two rotating rollers arranged in parallel. A drive motor drives the lamp unit in a fixed direction on the rotating rollers. Feeding members feed the rotating bodies with power.

Abstract: A light control apparatus that controls the amount of light passing therethrough by blocking part of an incident light flux, includes: a pair of pivotal members having pivotal axes extending along a direction substantially perpendicular to a central axis of the light flux; and a pair of light blocking members held by the pair of pivotal members and changing the size of a light blocking area as the pair of pivotal members pivot, the light blocking area blocking part of the light flux, wherein the pivotal axes are located in positions that overlap with an area where the light flux passes, and the pair of light blocking members are located in positions that do not overlap with the pivotal axes.

Abstract: Three dimensional projection systems may be single projector or multiple projector systems. These 3D projection systems may include a one or more polarization conversion systems (PCS). Each PCS may be designed for relatively small throw ratios and thus, may be designed to accommodate the small throw ratios. Each PCS may include a polarizing beam splitter, a first optical stack, a reflector and a second quarter wave retarder. The first optical stack may include a rotator, a polarizer, a polarization switch and a first quarter wave retarder. Each PCS may receive light from a respective projector, and the PBS in each PCS may direct the light toward the first optical stacks. The light may be converted to a different polarization state as it passes through the first optical stack. The converted light may then be re-directed by a reflecting element to a second quarter wave retarder. The second quarter wave retarder may convert linearly polarized light to circularly polarized light.

Abstract: An image display device built into electronic apparatuses, the device including a laser beam source unit emitting laser beams of various colors; a light modulation element modulating the laser beams emitted from the laser beam source unit, based on video signals; a projecting optical system projecting the modulated laser beams formed by the light modulation element on a screen; a control portion controlling the laser beam source unit and the light modulation element; and a movable body provided to be drawn out of and inserted into the case of electronic apparatuses. The movable body includes at least a first unit having the projecting optical system and a second unit rotatably supporting the first unit through a hinge portion. The hinge portion is featured by rotating the first unit.

Abstract: A light source device, includes: an arc tube having a tube spherical portion containing a pair of electrodes disposed along an illumination axis, and a pair of sealing portions extending from both sides of the tube spherical portion; a reflector having a reflection portion disposed in the vicinity of one of the sealing portions of the arc tube for reflecting light emitted from the arc tube toward an illumination area; and a flow regulating unit including a plurality of projecting portions projecting in a direction approximately along the illumination axis to regulate the flow direction of cooling air, and a fixing portion for fixing the plural projecting portions to one of the sealing portions in the vicinity of the tube spherical portion.

Abstract: Optical MEMS scanning micro-mirror comprising:—a movable scanning micro-mirror (101) pivotally connected to a MEMS body (102) substantially surrounding the lateral sides of the micro-mirror;—an transparent prism (500, 600) substantially covering the reflection side of the micro-mirror;—wherein said prism has its outer face non-parallel to the micro-mirror neutral plane N-N, thereby providing a dual anti-speckle and anti-reflection effect, namely against parasitic light. The invention also provides the corresponding micro-projection system and method for reducing speckle.

Abstract: For illuminating an object and generating a light image, e.g. for presentation of the object, an illumination assembly comprises a reflective part for illumination and a diffractive part for generating the light image. A light source such as a LED Light source is used for generating the light.

Abstract: An image synthesizing device for a projector apparatus includes first, second, third polarizing beam splitters respectively provided for red light, green light, and blue light; and a light combining unit configured to combine and output the red light, the green light, and the blue light passing through the first, second, and third polarizing beam splitters. The first, second, and third polarizing beam splitters respectively include first, second, and third polarizing films. The first and second polarizing films where the red light and the green light enter are each formed of an organic material, and the third polarizing film where the blue light enters is formed of an inorganic material.

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 reflector spotlight luminaire includes a housing defining an optical axis. The light source is provided that includes one or more white light emitting LEDs, the lights being arranged to direct a beam of white light along the axis of the housing, such as being reflected from an ellipsoidal reflector. An image engine in the form of an LCD panel intercepts the beam of white light traveling along the axis to modify and enhance the beam of white light with image data, such as color, shape, animation, etc. Conventional projection optics accumulates the image emitted by the image engine, projects the optically enhanced light beam through the housing onto a projection surface.

Abstract: A laser projector displays an image based on raster scanning of a laser beam. The laser projector is capable of reliably detecting the deflection angle of a vibratory mirror used for horizontally scanning without the need for a light source other than a laser light source for displaying images even if the deflection angle is small, and also of accurately adjusting the deflection angle of the vibratory mirror to a predetermined deflection angle at the resonant frequency of the vibratory mirror without exceeding the predetermined deflection angle.

Abstract: A substrate connection structure between a plurality of light modulating devices each having a flexible substrate extending in a predetermined direction and a circuit substrate connected with the light modulating devices, wherein the light modulating devices are arranged so that the direction of one flexible substrate extending from at least one of the light modulating devices is different from the directions of the other flexible substrates extending from the other light modulating devices, the substrate connection structure includes: a relay substrate which is connected with the one flexible substrate; and an extension flexible substrate which is connected with the relay substrate.

Abstract: A proximity projection-type projector includes a housing; a dust-proof cover arranged on a top portion of the housing; and a projection unit arranged within the housing. The projection unit projects projection light though the dust-proof cover on the housing toward a screen disposed outside the housing. An anti-reflection film forms a light incident surface of the dust-proof cover.

Abstract: An optical device includes a main body having a light incident surface, a light emitting surface provided facing the light incident surface, and a light-reflecting side surface provided from a periphery of the light incident surface to a periphery of the light emitting surface. In the optical device, the light incident surface, the light emitting surface and the light-reflecting side surface are mirror-finished, and a supporting portion configured to support the main body is provided on the light-reflecting side surface.

Abstract: When a rotation member is rotated clockwise by a stepping motor, one main operation member is rotated counterclockwise through a link member and the other main operation member is rotated clockwise by said main operation member through the link member. Also, one sub operation member is rotated counterclockwise by said main operation member through the link member, and the other sub operation member is rotated clockwise by the other main operation member through the link member. This causes the amount of overlap between a main split blade mounted to said main operation member and a sub split blade mounted to said sub operation member to be increased and also causes the amount of overlap between a main split blade mounted to the other main operation member and a sub split blade mounted to the other sub operation member to be also increased. As a result, the aperture opening formed between the two main split blades is increased.

Abstract: A projection optical system configured to project an image onto a projection surface includes a first optical system including at least one dioptric system and having positive power as a whole; a second optical system including a reflection region and a transmission region; and a third optical system including at least one reflecting surface having power, and having positive power as a whole, wherein light entering the projection optical system passes through the first optical system to have a path thereof bent by the reflection region of the second optical system to be incident on the third optical system, and the light incident on the third optical system has the path thereof bent by the third optical system to pass through the transmission region of the second optical system to be incident on the projection surface.

Abstract: A laser projector includes a laser light source to emit laser light modulated in accordance with image information, a scanner to drive the laser light along two axes in horizontal and vertical directions and make scanning two-dimensionally with the laser light, a scanning mirror drive part to produce a drive signal of the scanner, a light source data conversion part to change arrangement in a horizontal direction of data applied to the laser light source and a timing generation part to synchronize the scanning mirror drive part with the light source data conversion part, and a start direction of laser scanning in the horizontal direction is changed every frame of the image information.

Abstract: A projection system is disclosed, the projection system including: an illumination unit; a PBS (Polarizing Beam Splitter) reflecting the light from the illumination unit, transmitting an image light, having a width larger than that of entrance pupil through which the image light is incident, and having a structure in which a width of an area facing projection lenses is larger than that of an area perpendicular to an area facing the projection lenses; a display device receiving the light reflected from the PBS and outputting the light as an image light; and a projection unit mounted with the projection lenses for projecting the image light outputted from the display device to a screen.

Abstract: A projection system having a first tilting mirror matrix, a second tilting mirror matrix, and an imaging lens, which projects the first tilting mirror matrix onto the second tilting mirror matrix, wherein each tilting mirror matrix has multiple tilting mirrors, the tilting axes of which are positioned in a modulator surface plane. The imaging lens includes a first lens and an imaging mirror, and the imaging mirror forms an aperture stop of the imaging lens, wherein the aperture diaphragm includes an uneven angle of 90° together with the normal of the modulator surface of the first tilting mirror matrix without taking into account any optical path folds.

Abstract: A piezoelectric actuated device includes one or more areas of piezoelectric material coupled to a substrate. The piezoelectric material may be placed on regions of the substrate that exhibit the greatest curvature and stress when the device is vibrating according to a desired structural Eigenmode of vibration. The piezoelectric material may have a non-uniform density.

Abstract: A projector includes an illumination optical system, a light modulation element, and a projection optical system. The illumination optical system includes a first light source section, a plurality of second light source sections, and an optical axis conversion element. The optical axis conversion element emits the light beam, which is input from the first light source section, so that an exit optical axis of the light beam approximately matches with an illumination optical axis, and emits the light beams, which are respectively input from the plurality of second light source sections, so that exit optical axes of the light beams intersect the exit optical axis of the light beam from the first light source section between the optical axis conversion element and the light modulation element.

Abstract: An illumination apparatus includes a fluorescence unit, laser light irradiation means, and a beam integration unit. The fluorescence unit has a plurality of phosphors, in which the colors of fluorescence generated due to excitation differ, arranged in different regions. The laser light irradiation means irradiates laser light onto the regions of each color of the fluorescence unit while changing the position at which the laser light strikes the fluorescence unit. The beam integration unit integrates fluorescence from each region of the fluorescence unit on a display panel.

Abstract: A projector includes: an illumination system which has a light source, and a light control unit opened and closed to shield a part of light emitted from the light source; a light modulation device illuminated by illumination light received from the illumination system; an air supply device which supplies air to the light control unit and the light modulation device; and an air supply control unit which decreases an air supply amount to the light modulation device when increasing an air supply amount to the light control unit in accordance with a relatively closed condition of the light control unit.

Abstract: A projection optical system and a projection display device using the same is provided, wherein the projection optical system has a sufficiently small size to be provided in a front-projection-type projector and can effectively correct various aberrations. An original image on an image display surface is enlarged and projected onto a screen by a first optical system that includes a plurality of lenses and a second optical system that includes a reflecting mirror having a concave surface with an aspheric shape. All of the optical surfaces of the first optical system and the second optical system are rotationally symmetric surfaces each having the optical axis common to all of the optical surfaces as its center. A first lens surface, which is a reduction-side surface, and a second lens surface, which is a magnification-side surface, of a lens (fourteenth lens) closest to a magnification side in the first optical system satisfy predetermined conditional expressions.

Abstract: A light source device includes: a reference light source that emits reference color component light of a plurality of colors; an excitation light source that emits excitation light for supplemental color component light; a luminous body member including a luminous body that emits the supplemental color component light in response to the excitation light; and a combining unit that combines the reference color component light of the plurality colors and the supplemental color component light in such a way as to superimpose the supplemental color component light on light paths of the reference color component light of the plurality of colors.

Abstract: A projection display device is discussed, which includes an optical system having an improved arrangement, thereby being capable of reducing the size of the projection display device.

Abstract: A light source device includes: a microwave power source which generates microwaves; a central conductor which radiates the microwaves; and a light emitter which emits light by receiving the microwaves, wherein the central conductor and the light emitter are spaced from each other.

Abstract: An object of the present invention is to display a highly reproducible three-dimensional image in response to changes in the viewer's position and to easily realize the miniaturization of the system. The three-dimensional image projector includes a projection image forming disc in which a hologram recording medium is formed along a disc-shaped glass substrate, and which projects image light having directivity by causing the image light to fall incident on the hologram recording medium, and a rotational drive unit for rotationally driving the projection image forming disc along a surface of the glass substrate with the center point on the surface as a rotation center. The projection image forming disc is preliminarily recorded with a hologram by causing two laser beams as reference light and object light to simultaneously fall incident on the hologram recording medium.

Abstract: An illumination device includes: a light source which emits a plurality of emission lights; a first condenser lens which stacks the plural emission lights emitted from the light source; a first fly-eye lens which divides lights stacked by the first condenser lens into a plurality of partial lights; a second fly-eye lens which converges the plural partial lights; and a second condenser lens which stacks the plural partial lights converged by the second fly-eye lens, wherein the first condenser lens stacks the plural emission lights emitted from the light source on the first fly-eye lens, and the second fly-eye lens stacks the plural partial lights on an illumination receiving area.

Abstract: An imaging system for a vehicle includes an imaging sensor (12) and a display device (15) for displaying images representative of image data captured by the imaging sensor. The imaging sensor (12) has a rearward field of view when mounted at the vehicle. The imaging system generates a plurality of graphic overlays (130a, 130b, 130c) on the displayed images to enhance the driver's cognitive awareness of an object rearward of the vehicle. The graphic overlays comprises a plurality of graphic overlay segments. The graphic overlay segments convey three dimensional information to a person viewing the displayed images and the graphic overlays. The imaging system may adjust at least one of a color, an intensity and a rate of flashing of at least one of the plurality of graphic overlay segments in response to an object being detected rearward of the vehicle and within a distance threshold.

Abstract: In accordance with embodiments of the present disclosure, a method for marking an image projected onto a surface includes capturing a second image from the surface, detecting the existence of a marking point in the second image, and modifying the first image by placing a graphic element at a location corresponding to a location of the marking point in the second image.

Abstract: An image processing system includes a determination unit that determines a distortion state of a projected image, and a correction unit. The correction unit determines a shape of the image after distortion correction according to the distortion state, moves the determined shape in a display area of an optical modulator in a first direction, performs distortion correction of the image, and moves the image after distortion correction in the display area of the optical modulator in a second direction which is opposite to the first direction.

Abstract: A projector, adapted to project image light while making the image light wide-angle with a reflecting section to thereby display an image, includes a detection section adapted to detect an obstacle, which blocks the image light reflected by the reflecting section, a message display section adapted to display a warning message within the image if the detection section detects the obstacle, and a display position change section adapted to change a display position of the warning message within the image in accordance with passage of time.

Abstract: A projector capable of detecting the coordinates of a detection object at a height position away from a projection area to some extent is provided. This projector (100) includes a laser beam generation portion (61a, 62a, 63a, 64a) emitting a laser beam, a projection portion (69a, 69b) projecting an image on an arbitrary projection area, and a height detection portion (10a, 10b, 12) detecting the height of the detection object from the projection area with light reflected by the detection object.

Abstract: A projection display apparatus includes a housing case housing a plurality of light sources, a light valve, and a projection unit. The housing case has a projection-plane-side sidewall and a front-side sidewall, the projection-plane-side sidewall facing the placement surface, the front-side sidewall being provided on an opposite side to the projection-plane-side sidewall. The front-side sidewall has a protruding portion protruding outward of the housing case.

Abstract: A light source device includes: a light source section which comprises plural laser diodes; a pulse driving section which divides the laser diodes of the light source section into plural groups, each group having the same number of the laser diodes, and drives the laser diodes of the each group by a pulse having a predetermined period and a predetermined duty ratio; and a light source driving section which controls a phase of the pulse for the each group so that the same number of the laser diodes are emitted in succession when the laser diodes of the each group are driven by the pulse driving section.

Abstract: A reflector mounting structure includes a reflector and a fixing member. The reflector includes: a reflecting surface; a reflector body having the reflecting surface formed thereon; a pair of first connecting units provided respectively at an end face of the reflector body and having a substantially spherical first protrusion at an end thereof; and a second connecting unit provided at an end face of the reflector body. The fixing member which supports the reflector includes a pair of first supporting units respectively having a planar contact portion and bringing the contact portion into contact with an end of the first protrusion, and a second supporting unit. A contact-portion vertical distance is set such that the first protrusion moves while rolling with respect to a contact portion when the reflector deforms.

Abstract: According to an embodiment, provided is an image projection apparatus that includes: an image forming unit that forms an image using light from a light source; a projecting optical unit that forms a projected image of the image formed by the image forming unit; and an outer housing that houses the image forming unit and the projecting optical unit. The image forming unit and the projecting optical unit are provided in the given order from a setting surface of the outer housing. A width of the outer housing in a direction perpendicular to a projection surface is larger at a position where the projecting optical unit is provided than at a position where the image forming unit is provided.

Abstract: An illumination optical system and a projection display apparatus include a beam combining portion and a condensing lens condensing a beam from the beam combining portion. The beam combining portion combines beams from first and second lamp units each including a lamp and a concave mirror, the lamp having a cathode and an anode arranged along an optical axis of the concave mirror. The beam combining portion includes a first reflective section disposed on an optical axis of the first lamp unit and off the optical axis of the second lamp unit and a second reflective section disposed off the optical axis of the first lamp unit. The first and second reflective sections reflect a beam that is emitted from the second lamp unit and that is off an optical axis thereof to combine the beams from the first and second lamp units.

Abstract: A projector includes: a projection unit that projects projection light toward an illuminated surface; a housing that houses the projection unit and has an opening that allows the projection light to exit outward; and a cover portion that blocks the opening and transmits the projection light, wherein a plurality of areas is set in the cover portion relative to the projection unit, and a process of changing the reflectance of the light-incident surface of the cover portion at which the projection light is reflected is performed on each of the areas.

Abstract: A projection optical system that is used for an image display device having an image display element, includes a refractive optical system that includes a plurality of lenses; an aperture that limits a quantity of light led to the refractive optical system from the image display element; a lens group that is arranged between the image display element and the aperture, has a positive refractive power, and has low field curvature with respect to the image display element; and a mirror optical system that has a concave mirror arranged on an opposite side from the image display element across the refractive optical system, the aperture, and the lens group.

Abstract: In order to produce stress-reduced reflective optical elements (1) for an operating wave length in the soft X-ray and extreme ultraviolet wavelength range, in particular for use in EUV lithography, it is proposed to apply, between substrate (2) and a multilayer system (4) optimized for high reflectivity at the operating wavelength, a stress-reducing multilayer system (6) with the aid of particle-forming particles having an energy of 40 eV or more, preferably 90 eV or more. Resulting reflective optical elements are distinguished by low surface roughness, a low number of periods in the stress-reducing multilayer system and also high values of the stress-reducing multilayer system.

Abstract: A projection system comprises an image input element and an optical imaging element. The image input element is configured to input an original image or a processed image. The optical imaging element, an optical system with axisymmetrical structure and specific spherical aberration, is configured to generate an image with extended depth of field on an image projection surface in accordance with the original image or the processed image.

Abstract: A projector for projecting light forming an image on an external screen to outside of the projector includes a display panel provided with a plurality of pixel elements, and configured to form an image by controlling the pixel elements according to a driving signal, an illumination optical system provided with an equalization lens and a mirror arranged on a first optical axis, and configured to output light penetrating the equalization lens to the display panel through the mirror, and a projection optical system provided with at least one lens arranged on a second optical axis, and configured to output light reflected from the display panel to the outside, wherein an alignment axis of the equalization lens forms an angle of inclination with the second optical axis.

Abstract: An optical display system includes a projection system for outputting images having an image refresh frequency and a two-dimensional screen for receiving the images. The screen is coupled to a motion unit which allows a motion of the screen at a frequency which is equal to the refresh frequency of the images.

Abstract: There are provided a lighting device with which it is possible to avoid the problem of heat generation in parts subjected to the concentrated energy of irradiating light even when the parts are irradiated with high-energy light from a light source, and a projection type of image display device equipped with this lighting device. This lighting device comprises a light source and a rotary reflecting member that is disposed at an angle to light incident from the light source. The rotary reflecting member has on its periphery a portion that reflects incident light (first region) and a portion that does not reflect (second region).