Entries |
Document | Title | Date |
20080198339 | Image projecting apparatus - A projector uses a reflecting device. The reflecting device is so freely moved by a controller to change its reflecting angle. By using the reflecting device, an image is able to be reflected to a requested position. | 08-21-2008 |
20080218704 | Projection display - A projection display includes first and second light sources, a reflection/transmission member which partially transmits a first light beam from the first light source and partially reflects a second light beam from the second light source, and a light valve which converts the light beam from the reflection/transmission member into an optical image in accordance with a video signal. The reflection/transmission member has a reflective surface which is one side main surface, a light-shielding surface which is the other side main surface, and a plurality of openings extending through the both main surfaces. The first light beam is transmitted through the openings from the light-shielding surface to the reflective surface, and the second light beam is reflected off the reflective surface in the direction that the first light beam is transmitted. | 09-11-2008 |
20080218705 | Projection display device - A projection display device comprises a main body cabinet, a projection lens section to which light modulated by a light modulating element entered, and a mirror section for reflecting the light emitted from the projection lens section to a projection plane. A level difference depending on an arrangement shift of the projection lens section and the mirror section is formed on a second side surface facing a first side surface having light projection port of the main body cabinet. Furthermore, the projection display device comprises a level difference correction section for directing the light from the mirror section in a desired direction by correcting the level difference, when the main body cabinet is planed on a plane to be placed, the second side surface facing the plane to be placed. | 09-11-2008 |
20080218706 | Projection display device - A projection display device comprises a projection lens section to which light modulated by a light modulating element is entered, a mirror section for reflecting the light emitted from the projection lens section to reflect to the projection lens section side and directing the light to a projection plane, and an operation section for displacing a lens in the projection lens section. The operation section is disposed in a region in which the operation section does not hinder an optical path of the light that has been passed through a projection port provided in a main body cabinet. | 09-11-2008 |
20080218707 | Projection display device and stand used for the projection display device - A projection display device accommodates, in a main body cabinet, a projection lens section to which light modulated by a light modulating element is entered, and a mirror section that reflects light transmitted through the projection lens section and directs the light to a projection plane. When the main body cabinet is mounted on a mounting plane so that the light transmitted through the projection lens section may get away from the mounting plane, a holding member which holds the main body cabinet in a upright state with regard to the mounting plane is mounted on the main body cabinet. | 09-11-2008 |
20080231817 | Projection-type display apparatus and control method for projection-type display apparatus as well as control program for projection-type display apparatus - Exemplary embodiments provide a projection-type display apparatus, which can address or realize a reduction in weight and size, a reduction in power consumption, and a reduction in noise, and address or realize a reduction in price, and a control method for the projection-type display apparatus, as well as a control program for the projection-type display apparatus. The projection-type display apparatus includes a solid-state light source that emits light, a mirror device that controls an emitting direction of the incident light to thereby subject the incident light to temporal modulation, and a projecting device that projects the modulated light. | 09-25-2008 |
20080239251 | Optical System for a Thin, Low-Chin, Projection Television - A micro-mirror based projection display system in an enclosure with minimum chin and depth measurements is disclosed. A solid-state laser light source generates light of multiple primary colors that is modulated by a digital micro-mirror device. The projection optics of the system include a telecentric rear group of glass lenses with spherical surfaces, followed by a pair of aspheric lenses formed of plastic. A folding mirror is disposed between the aspheric lenses, to reduce the depth of the enclosure, and an aspheric mirror projects the image onto a TIR Fresnel projection screen. The aspheric lenses are magnifying, to reduce the magnification required of the aspheric mirror, and the aspheric lenses and mirror are clipped to reduce enclosure volume. | 10-02-2008 |
20080239252 | IMAGE PROJECTOR - An object of the present invention is to provide an image projector capable of projecting a high-quality image while realizing small size. In the image projector, a light flux is deflected two-dimensionally by turning a reflector for reflecting a light flux emitted from a light source around a second axis almost orthogonal to a first axis as a center by resonant drive while turning the reflector around the first axis as a center by non-resonant drive. Shape of one or more optical surfaces of a projection optical system for projecting an image onto a projection plane by guiding light onto the projection plane includes a shape for performing a correction for maintaining scanning speed of the light flux along one scan direction on the projection plane almost constant and a shape for performing a correction for suppressing a distortion in an image along the other scan direction almost orthogonal to the one scan direction on the projection plane. By controlling turn of the reflector, at least one of a correction for maintaining scanning speed of the light flux along the other scan direction on the projection plane almost constant and a correction for suppressing a distortion in an image along the one scan direction on the projection plane is performed. | 10-02-2008 |
20080252862 | Light Reflector, Method for Manufacturing the Same and Projector - A light reflector which can be manufactured easily by using a plastic base material that is light weight and low cost and has high reflectivity, and a method for manufacturing the same. The light reflector comprises a plastic base material | 10-16-2008 |
20080266531 | DISPLAY APPARATUS, ELECTRONIC APPARATUS, AND REFLECTIVE MIRROR MODULE - A display apparatus including a main body and a housing is provided. The main body includes a light source and a light modulator module. The light source is used for providing a beam. The light modulator module modulates the beam according to an electrical image signal. The housing includes a base, an upper cover, and a reflective mirror. The base has an opening for allowing the modulated beam to pass through. The upper cover is pivotally connected to the base. The reflective mirror is disposed on the upper cover. The modulated beam passing through the opening is suitable to be reflected by the reflective mirror. An electronic apparatus and a reflective mirror module are also provided. | 10-30-2008 |
20080304023 | Tilting actuator for light-projection - Disclosed herein is a tilting actuator for light-projection. The actuator comprises a mirror for reflecting light being projected from a light source, a tilting portion on which the mirror rests, a support portion, a hinge portion formed to connect the tilting portion and the support portion with each other, and a driver portion for tilting the tilting portion about the tilting axis with respect to the support portion. The hinge portion is disposed on a tilting axis of the tilting portion. The hinge portion has a ‘+’ shaped cross-section. | 12-11-2008 |
20080309889 | Speech Prompter Apparatus - A portable and easily used speech prompter apparatus relies upon a standard laptop computer and a coated display screen that is attachable to a table, podium or to a floor stand. The display screen is attached to flexible tubing, which allows the screen to be adjusted easily by the users, and is positioned such that the images displayed on the computer screen are reflected from the screen so that a user may read the images from the display screen. Software is installed on the laptop, but standard software may also be used to display non-scrolling text or other prompts. The speech prompter may be used in a first mode in which images on the computer screen are inverted and reversed and are thus displayed in a normal orientation on the display screen. The speech prompter may also be used in a second mode in which images on the computer screen remain in a normal orientation, are reflected onto a mirror and then onto the display screen where they appear normally oriented. In both modes the text and images on the computer screen may be scrolling or non-scrolling. | 12-18-2008 |
20080316440 | OPTICAL SYSTEM UNIT AND PROJECTOR INCLUDING THE SAME OPTICAL SYSTEM - An optical system unit having a light smoothing unit for emitting a light beam which is substantially parallel to an optical axis and a projector including the optical system unit are provided. The optical system unit includes a light source-side optical system, a display device for forming an image by reflected light and a projection-side optical system, whereby a light beam emitted from the light source unit is shone on to the display device via the light source-side optical system, an image is formed by the display device, and the image so formed is projected on to a screen via the projection-side optical system. The light smoothing unit of the light source-side optical system is such that at least one side of sides other than an incident side and an emitting side is disposed obliquely relative to a side which the at least one side confronts so that an area of the emitting side becomes larger than an area of the incident side. | 12-25-2008 |
20090027632 | Bag type presentation apparatus - A bag type presentation apparatus is disclosed. The apparatus includes a bag-shaped case body having an upper case and a lower case, a curved reflective screen having a focus, and a small projector. The reflective screen is mounted at an inner surface of the upper case and has a reflectance of 4 to 50%. The reflective screen is a curved or spherical reflective screen or a fresnel reflective screen, to straightly reflect a light projected from the small projector located at the focal position thereof, thereby preventing a hot spot and realizing a high screen brightness of 4 to 50 times that of a conventional screen. The projector uses a LED as a light source and has a weight and volume of a fourth that of a conventional projector. The projector is positioned at a focal position of the reflective screen based on the curvature of the reflective screen when in use, and is received in the bag-shaped body case when being carried. | 01-29-2009 |
20090040478 | Discharge lamp, light source device and projector - A discharge lamp includes: an emitting portion in which a pair of electrodes are disposed, an electric discharge being generated between the pair of electrodes so as to emit light; at least either one electrode of the pair of the electrodes including: a small-diameter portion; and a large-diameter portion provided on an end of the small-diameter portion closer to the other electrode, the large-diameter portion having a larger diameter than the small-diameter portion; and the large-diameter portion including a projecting part, the projecting part projecting outward from the large-diameter portion. | 02-12-2009 |
20090051886 | Illumination Device and Projector - An illumination device includes a light source device including an ellipsoidal reflector with a reflecting concave surface and a light emitting tube having an emission center in the vicinity of a first focal position of the ellipsoidal reflector, and defining a first focal position and a second focal position of the ellipsoidal reflector in a cross-sectional plane in a first virtual plane including a center axis of the ellipsoidal reflector as F | 02-26-2009 |
20090059185 | Projection Optical Unit, Projection-Type Image Displaying Apparatus and Projection-Type Image Displaying System - A projection optical unit for obliquely projecting an image displayed on an image display element upon a projection surface, enlargedly, comprises: a lens group, being disposed neighboring to the image display element, and including a plural number of projection lenses therein; and a reflection mirror for reflecting lights emitting from the lens group, to be projected onto the projection surface, obliquely, wherein assuming that a light beam, emitting from a center of the display screen of the image display element, passing through a center of an entrance pupil of the lens group, and entering into a screen center on the projection surface, is a screen center light beam, then the screen center light beam is incident upon the projection surface, obliquely, with respect to a normal line thereon, the lens group comprises a front lens group including a plural number of refraction lenses, being disposed thereafter directing from the image display element to the projection surface and having rotationally symmetric surface configurations, and a rear lens group including a refraction lens having a negative power and having a rotationally symmetric surface configuration and a plural number of lenses having rotationally asymmetric free curved surface configurations, and within the rear lens group, the lens having the negative power is movable in an optical axis direction, and at least one pieces among the lenses having the free curved surface configurations is movable into directions, including the optical axis and direction perpendicular thereto, within a surface including the optical axis and the normal line on the screen. | 03-05-2009 |
20090066919 | PROJECTION OPTICAL SYSTEM AND IMAGE DISPLAYING APPARATUS - Disclosed is a projection optical system including a projection surface configured such that an image conjugate to an object is projected, plural optical elements having a refractive power, and a deflecting element having no refractive power configured to deflect an optical path of a light beam and to pass the light beam having a deflected optical path between the plural optical elements, wherein a normal line of the projection surface at a center of the projection surface does not pass through the plural optical elements or between the plural optical elements. | 03-12-2009 |
20090096998 | PROJECTOR WITH ILLUMINATED LOGO REGION - A projector equipped with an illuminated logo region includes a light source including a reflector defining an opening and a light-emitting portion contained by the reflector, a light-modulating device, a lens, a housing, and a logo region. The light-emitting portion emits light radially. Part of the light is emitted directly through the opening of the reflector and/or is reflected by the reflector through the opening to be received by the light-modulating device to be modulated to produce a projecting light before being received by the lens and then projected to form an image on a surface. Another part of the light is transmitted through the reflector to illuminate the logo region. The housing is configured for housing the light source, the light-modulating device, and the lens. The logo region is inlaid in a portion of the housing corresponding to the reflector, to be illuminated by the another part of light. | 04-16-2009 |
20090115975 | IMAGE PROJECTION APPARATUS - An image projection apparatus (i.e., a projector), having a light source unit | 05-07-2009 |
20090122278 | NON-SPECULAR FOLDING MIRROR AND A SYSTEM OF USING THE SAME - A non-specular reflective optical element comprises a reflective surface. A beam of incident light can be reflected such that the reflective angle may or may not be the same as the incident angle. In an exemplary application of a rear projection system, the non-specular folding mirror is used to project the modulated light from a light valve onto a translucent screen. | 05-14-2009 |
20090147224 | IMAGE PROJECTION DEVICE - An image projection apparatus according to the present invention includes a light source for outputting laser light and a mirror section for reflecting and projecting the laser light having been output from the light source, and displays an image with at least a portion of the projected laser light. The image projection apparatus includes a detection section for detecting at least a portion of the laser light returning from a projection direction of the laser light, and a calculation section for determining an image displayable region based on the detected light. The mirror section reflects at least a portion of the laser light returning from the projection direction of the laser light so as to be led into the detection section. | 06-11-2009 |
20090190102 | REFLECTOR, LIGHT SOURCE APPARATUS, AND PROJECTOR - A reflector used in combination with a light emitting portion that emits light and disposed around a central axis on which the light emitting portion is disposed includes a curved reflection section having the substantially same shape as that of a surface of revolution around the central axis, the curved reflection section reflecting light from the light emitting portion, and a flat deflection section formed on a flat surface positioned closer to the central axis than the surface of revolution, the flat deflection section deflecting the light from the light emitting portion forward. The flat deflection section has a plurality of structural members formed on the flat surface. | 07-30-2009 |
20090190103 | LASER PROJECTOR PERFORMING LASER RASTER SCAN USING A SCANNING MIRROR - An enlarging optical unit receives laser light emitted from a laser light source, enlarges a light flux of the received laser light to have a diverging angle corresponding to a swing angle of a scanning mirror and provides it to the scanning mirror. | 07-30-2009 |
20090237627 | Display Apparatus Using Micro Mirror Unit, and Method for Controlling Micro Mirror Unit - In a method for driving a micro mirror such as MEMS mirror and a display apparatus using the method, there are provided a mirror driving unit for driving the micro mirror which operates in a resonant mode and a nonresonant mode, a driving-condition setting unit for setting a mirror driving condition, a switching unit for switching on/off a mirror driving signal in the nonresonant mode, and a look-up table for indicating the relationship of a mirror response with respect to the driving condition already known in advance. The switching unit controls the transmission of the nonresonant-mode mirror driving signal while grasping the mirror response state with respect to the mirror driving signal, thereby finely increasing and decreasing a driving torque for the micro mirror. This fine increase and decrease allows the micro mirror to be fluctuated stably, and a further enhancement in the fluctuation rate. | 09-24-2009 |
20090237628 | OPTICAL REFLECTION DEVICE AND IMAGE PROJECTOR INCLUDNG THE SAME - An optical reflection device includes a mirror adapted to reflect light thereon, a first meander vibration beam supporting the mirror rotatably about the first rotation axis, a movable frame connected to the first meander vibration beam, a second meander vibration beam supporting the movable frame rotatably about a second rotation axis, and a supporter connected to the second meander vibration beam. The first meander vibration beam meanderingly extends along a first rotation axis, and has a first end and a second end opposite to the first end. The movable frame is connected to the second end of the first meander vibration beam. The second meander vibration beam extends meanderingly along the second rotation axis perpendicular to the first rotation axis, and has a third end and a fourth end opposite to the third end. The supporter is connected to the fourth end of the second meander vibration beam. The mirror is coupled to the movable frame only via the first meander vibration beam. This optical reflection device has a large angle by which the mirror rotates about the first rotation axis. | 09-24-2009 |
20090251670 | OPTICAL FEEDBACK FOR HIGH SPEED SCAN MIRROR - An image projection system ( | 10-08-2009 |
20090262313 | Lamp module with AC burner for projectors - There is disclosed a lamp module, in particular for projectors for data or video projection, having at least one AC burner that is designed for AC operation, is inserted into a reflector and has a discharge vessel with two burner shafts, arranged diametrically relative to one another that carry a reflector electrode and a front electrode, it being possible for the light emitted by the AC burner to be fed to an optical system via the reflector. According to the invention, the front electrode has a large surface by comparison with the reflector electrode, such that said surface is more resistant to retroreflected light. | 10-22-2009 |
20090262314 | Laser Projector - Disclosed in a laser projector to display an image by projecting a laser beam from a laser light source to a projection screen including an electromagnetic driven scan mirror to scan the laser beam from the laser light source, a detection unit to detect a back EMF which is generated by a drive of the electromagnetic driven scan mirror at a time of start-up of the laser projector, a first determination unit to determine whether a value of the back EMF which is detected by the detection unit exceeded a predetermined threshold or not and a light source control unit to start a lighting of the laser light source when the value of the back EMF is determined as exceeding the predetermined threshold by the determination unit. | 10-22-2009 |
20090296049 | PROJECTION DISPLAY DEVICE - A projection display device includes a three-color LED source having a red LED, a green LED and a blue LED, a light pipe for making uniform illumination distribution of light emitted from the three-color LED source, an optical lens for making the light from the light pipe into parallel light, and a light modulation element for modulating the light from the optical lens. The optical lens includes a first toroidal lens element provided with a first entrance face on which the light whose angle with respect to an optical axis is a predetermined angle is incident to image the light, and a first exit face which emits the light incident from the first entrance face, and a second lens element provided with a second entrance face which is adjacently disposed to the first exit face in an optical axis direction. | 12-03-2009 |
20090310092 | PROJECTOR - A projector includes: a light source device; an optical modulation device; a projection optical device; and an exterior casing, wherein a luminous flux passage opening for allowing the image light projected magnified from the projection optical device to pass through is formed in a first surface of the exterior casing, the projection optical device includes an aspheric mirror which reflects the image light to the first surface side, and magnifies and projects the image light via the luminous flux passage opening, and the exterior casing is provided with a transmissive member which closes the luminous flux passage opening; and a cover which, being movably attached to the first surface, moves between a closed position in which the transmissive member is covered and an open position in which the transmissive member is exposed. | 12-17-2009 |
20100014058 | IMAGE DISPLAY DEVICE - The present image display device is an image display device that scans laser beams emitted from light sources | 01-21-2010 |
20100053571 | Wavelength Conversion Devices Having Multi-Component Output Faces and Systems Incorporating The Same - The present invention relates generally to wavelength conversion devices and laser projection systems incorporating the same. According to one embodiment of the present invention, wavelength conversion devices are provided without limitation of their field of use to laser projection systems. For example, the wavelength conversion device may comprise an axial waveguide portion and a pair of lateral planar waveguide portions confined between a pair of relatively low index cladding layers. The effective index of refraction in the axial waveguide portion of the waveguide region and the effective index of refraction in the lateral planar waveguide portions of the waveguide region are established such that the relatively low intensity laterally distributed parasitic light is characterized by a scattering angle θ that is at least as large as the beam divergence angle of the relatively high intensity light propagating in the axial waveguide portion. | 03-04-2010 |
20100060866 | MICRO-PROJECTOR - A micro-projector applied to a portable computer includes a projecting device and a clipping structure. The projecting device is capable of communicating with the portable computer through signals and projecting a projection light. The clipping structure is capable of clipping the portable computer selectively. The projecting device is disposed on the clipping structure. | 03-11-2010 |
20100073644 | SAFE LIGHT SCANNING PROJECTION DEVICE - The present invention relates to a projection device comprising a body ( | 03-25-2010 |
20100085543 | IMAGE DISPLAY DEVICE - An image display device of the present invention includes two lamps A and B as light sources. A mirror is pivotally moved to supply light from the lamp A, B to an optical system. In the case where the lamp A is used, the mirror is temporarily driven in the direction of lamp B before the lamp A is activated. Thereafter, the mirror is returned to the position where the lamp A is used, and is pressed against a restraining member. Thereby, the mirror is positioned at a proper angle with respect to the light from the lamp A when the lamp A is activated. | 04-08-2010 |
20100085544 | ILLUMINATING DEVICE, IMAGE DISPLAY DEVICE, AND MIRROR UNIT - A mirror unit of the present invention includes a base member constituted of an upper plate portion, a lower plate portion, a connecting portion connecting the upper plate portion and the lower plate portion, and wall portions. A mirror holder for holding a mirror is pivotally supported between the upper plate portion and the lower plate portion. A recess is formed in the wall portions. An adjuster is mounted in the recess. Screw holes extend through the recess, and adjusting screws are engaged in the screw holes. Lifting amounts of plate portions of the adjuster can be adjusted by the adjusting screws. The tilt angle of the mirror is adjusted so that the mirror is properly tilted with respect to a light flux from either one of two lamps. | 04-08-2010 |
20100097582 | PROJECTION OPTICAL SYSTEM, PROJECTOR AND IMAGE READING DEVICE - A projection optical system which has a short total length but can project a high quality and large image. The projection optical system projects the displayed image on an image displaying surface onto a projection surface, and includes a lens system having a plurality of lenses, and one or more curved mirrors. Light flux of an enlarged image shooting out from the lens system to the projection surface is incident onto a mirror surface of the one of the curved mirrors first of all. A distance OAL and a distance Y satisfy a requirement (1) 2004-22-2010 | |
20100123880 | COLLIMATED VISUAL DISPLAY WITH ELLIPTICAL FRONT PROJECTION SCREEN - A front-projection display system having a screen with improved brightness and/or resolution of an image displayed on outer portions thereof. The screen has a display surface that is generally a convex shape having a curvature of the display surface in the vertical direction of an image projected thereon that is less than a curvature of the display surface in the horizontal direction. | 05-20-2010 |
20100128233 | LED LIGHT SHAPING DEVICE AND ILLUMINATION SYSTEM - An LED light shaping device and illumination system are provided. According to one embodiment, a light shaping lens is configured to shape light emitted from a light source and direct the light on a display panel for projection. The light shaping lens comprises a light input surface configured to receive light emitted from the light source a reflective surface configured to reflect at least part of the light received by the light source; and a light output surface having a first curvature in a first direction and a second curvature in a second direction, wherein the light output surface is configured to emit the light that is received by the light input surface and reflected by the reflective surface, and wherein the first curvature and the second curvature are configured to shape the light such that the emitted light has an oval cross section. | 05-27-2010 |
20100128234 | PROJECTION IMAGE DISPLAY DEVICE AND PROJECTION OPTICAL SYSTEM - A projection image display device includes a light source; an illumination optical system that uniformly irradiates a surface of an image modulating element (primary image surface) with a light beam emitted from the light source; and a projection optical system that performs with respect to a screen (a secondary image surface) extended projection on image information provided at the primary image surface and modulated by the image modulating element. The projection optical system includes a first optical system having a positive refractive power, and a second optical system having a concave reflecting surface. The first optical system has a common optical axis at which all optical components of the first optical system have rotationally symmetric surfaces, and a screen shift function that causes the secondary image surface to be moved by moving at least one of the optical components of the first optical system substantially perpendicularly to the optical axis. | 05-27-2010 |
20100141907 | Projection-Type Image Display Apparatus - A projection-type image display apparatus includes an image display element, a light source unit, an enlarging projection optical unit, and a display controller portion. The enlarging projection optical unit, includes a projection lens, a group of lenses which are disposed on a same optical axis, sequentially arranged from a side of the image display element and which include at least one lens having a lens surface, and a reflection mirror having a reflection surface which is disposed between the group of lenses and a display portion. The image display element has a display surface larger than a display surface of the display portion, when an entirety of the image display element is enlargedly projected on the display portion through the enlarging projection optical unit; and the display controller portion enables movement of the image on the display surface of the image display element. | 06-10-2010 |
20100149496 | LIGHT SOURCE APPARATUS, LIGHT SOURCE CONTROL METHOD, AND PROJECTOR APPARATUS - A light source apparatus includes a light source emitting light, an optical deflection element deflecting and exciting the emitted light, and a light conversion member cyclically outputting source light components having a plurality of hues in accordance with irradiation positions in a time-sharing manner based on the irradiation using the light deflected by the optical deflection element. | 06-17-2010 |
20100157258 | PROJECTION DISPLAY SYSTEM - A projection display system includes a full-surround screen, at least one reflective element, and a first projection unit. The full-surround screen defines an accommodation space in the shape of a column. The reflective element is disposed in the accommodation space, and the reflective element has a bottom surface and at least one side surface connected with the bottom surface, the side surface of the reflective element faces the full-surround screen. The first projection unit is used for projecting a first image beam on the side surface of the reflective element, and the side surface of the reflective element reflects the first image beam to allow the first image beam to fall upon the full-surround screen. | 06-24-2010 |
20100165307 | LASER IMAGE DISPLAY, AND OPTICAL INTEGRATOR AND LASER LIGHT SOURCE PACKAGE USED IN SUCH LASER IMAGE DISPLAY - A laser image display comprising a laser light source emitting laser light, a beam deflector element for receiving laser light and deflecting its advancing direction, a beam deflecting element control section for controlling the degree of deflection performed by the beam deflector element, an optical integrator for receiving and guiding the deflected laser light to output from its outputting end face, a pseudo surface light source element for scattering the deflected laser light, and a modulation element for receiving and modulating the laser light scattered by the false surface light source element. | 07-01-2010 |
20100165308 | PROJECTOR - 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. | 07-01-2010 |
20100182575 | PROJECTION-TYPE IMAGE DISPLAY DEVICE AND PROJECTION-TYPE IMAGE DISPLAY SYSTEM - A projection-type image display device includes an image light generator configured to generate image light, a projection optics configured to project the image light onto a screen. The projection optics includes a s reflection mirror configured to reflect the image light toward the screen, the image light outputted from the image light generator. A projection-type image display device includes a protective cover provided on an optical path of the image light reflected by the reflection mirror. The protective cover has a transmissive region transmitting the image light reflected by the reflection mirror. | 07-22-2010 |
20100208218 | OPTICAL DEVICE AND PROJECTOR - An optical device includes: a housing; and a reflection member disposed at a predetermined position within the housing, the housing includes a receiving opening through which the reflection member is inserted to be accommodated in the housing, and an attachment unit to which the reflection member is attached, the reflection member includes a front portion which has a reflection area for reflecting supplied light, a back portion positioned on the side opposite to the front portion, and a fixing unit positioned within the surface of the back portion and fixed to the attachment unit, and the fixing unit has an opening into which a position control jig inserted in an attachment direction of attaching the reflection member to the attachment unit through the receiving opening is inserted. | 08-19-2010 |
20100214539 | Projector frame for double-function projection - A dual purpose projectable projector frame comprises a main frame body, a upper end thereof is disposed with a first through hole; the first through hole being surrounded with two side walls; two side walls are pivotally coupled to two sides of a reflector; a projecting image emitted from a projection head is projected to the front or the back of the main frame body by adjusting an angle of a reflection face of the reflector reflecting light projected from a projector to allow the projector to have a dual purpose function of a general projection and capability of projecting an image onto a table face to enable the application of the projector to be broader. | 08-26-2010 |
20100231872 | METHOD FOR MANUFACTURING HIGH-PRESSURE DISCHARGE LAMP, HIGH-PRESSURE DISCHARGE LAMP, LAMP UNIT AND PROJECTION-TYPE IMAGE DISPLAY - The present invention is directed to a method for manufacturing a high-pressure discharge lamp including: a spherical portion forming a light-emitting portion ( | 09-16-2010 |
20100231873 | FIXED-FOCUS LENS AND APPARATUS INTEGRATING OPTICAL PROJECTION AND IMAGE DETECTION - A fixed-focus lens disposed between an object side and an image side is provided. The fixed-focus lens includes a reflector, a curved reflector, a first lens group, and a second lens group disposed in sequence from the object side to the image side. The first lens group includes two aspheric lenses. The second lens group includes a spherical lens and an aspheric lens, wherein the aspheric lens of the second lens group is closest to the image side in the second lens group. Besides, an effective focal length (EFL) of the fixed-focus lens is f, an EFL of the second lens group is f | 09-16-2010 |
20100231874 | PROJECTING APPARATUS - A projecting apparatus for protecting an image onto a screen includes an image module, a first light reflection device and a lens. The image module is for providing a beam of first light, The first light reflection device has a first reflection surface disposed movably relative to the image module for reflecting the first light to form a beam of second light. The lens is for projection the image on the screen according to the second light. Moving the first light reflection device along the beam of first light or second light can adjust the location of the image on the screen in a first direction. | 09-16-2010 |
20100245783 | PROJECTION DISPLAY APPARATUS - 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. | 09-30-2010 |
20100259730 | PORTABLE PROJECTOR - A portable projector includes a housing, a reflecting unit, and a projecting unit. The reflecting unit includes a foldable cover rotatably hinged to the housing, and a reflector fixed on the foldable cover. The projecting unit is received in the housing, and is directed at the reflecting unit, and is configured for projecting an image to a projection screen via the image being reflected off by the reflector. | 10-14-2010 |
20100259731 | ILLUMINATION SYSTEM, HIGH-PRESSURE DISCHARGE LAMP AND IMAGE PROJECTION SYSTEM - The invention relates to an illumination system( | 10-14-2010 |
20100265474 | Projection Type Image Display Apparatus - A projection type image display apparatus includes a lens group, being disposed adjacent to an image display element, which is configured to include a plural number of lenses, and a mirror, which is configured to reflect emission lights from the lens group, so as to project upon the screen obliquely. A ratio (Lo/Lp) between a distance (Lp) from a center of the mirror up to the screen and a diagonal size (Lo) of the screen is at least 2. | 10-21-2010 |
20100277703 | PROJECTION OPTICAL UNIT, PROJECTION-TYPE IMAGE DISPLAYING APPARATUS AND PROJECTION-TYPE IMAGE DISPLAYING SYSTEM - A projection optical unit for a projection display apparatus, which displays an image upon a projection surface, obliquely, includes a front lens group disposed in a direction from an image display element to a projection surface, a rear lens group, and a reflection mirror formed so that a curvature of a portion for reflecting a light beam incident upon a lower end portion of the projection surface is larger than a curvature of a portion for reflecting a light beam incident upon an upper end of the projection surface. An optical axis of the front lens group and the rear lens group is more inclined with respect to a direction of the portion of the reflection mirror for reflecting the light beam incident upon the lower end portion of the projection surface than a normal line direction of the image display element. | 11-04-2010 |
20100309444 | Image displacement module - An image displacement module includes a base, a carrier, an optical element, a freely rotating shaft, a flexible shaft, and at least one actuator. The optical element is disposed on the carrier. The freely rotating shaft and the flexible shaft are in a same axis and located between the base and the carrier. The flexible shaft is capable of acting a force on the carrier along the axis, and the carrier is capable of moving along the freely rotating shaft relative to the base to release the force. The actuator is disposed between the base and the carrier. When the actuator drives the carrier to rotate in the axis relative to the base, the flexible shaft generates an elastic torsion. When the actuator does not drive the carrier to rotate in the axis relative to the base, the flexible shaft drives the carrier to reposition relative to the base. | 12-09-2010 |
20100315605 | IMAGE DISPLAY APPARATUS - Provided is an image display apparatus which can reduce the influence of image quality degradation caused by a spot size on a screen generated when using a light source having a high directivity such as a laser beam and scan-type image formation means. The image display apparatus includes: a light source device ( | 12-16-2010 |
20100321643 | PROJECTION TYPE IMAGE DISPLAY - A projection type image display apparatus for projecting optical fluxes from a light source onto a projection plane so as to display an image, provided with a reflection mirror arranged in such a manner that the reflection mirror interrupts an optical path of the projection light in the direct projection mode when the reflection mode is set and reflects the projection light to the backside of the projection type image display apparatus, and when the reflection mode is set, the projection type image display apparatus is tilted to the backside. The projection type image display apparatus is further provided with an adjustment leg arranged in a front portion of a bottom plane of the projection type image display apparatus and extended by a predetermined leg length, and thereby the projection type image display apparatus is tilted to the backside. | 12-23-2010 |
20100321644 | PROJECTOR - A projector includes: an exterior housing configuring an exterior; a projection optical device which projects an image toward a projection surface; and a plurality of operation buttons which, being disposed in such a way as to be exposed to the outside of the exterior housing, an image opening for allowing the image projected from the projection optical device to pass through is formed in one sidewall, among sidewalls configuring the exterior housing, which intersects in a vertical direction, the projection optical device includes a reflecting mirror which reflects the image, and projects it through the image opening, and the plurality of operation buttons are disposed on a side of the one sidewall farther from the projection surface than the image opening. | 12-23-2010 |
20100328632 | LIGHT SOURCE DEVICE AND PROJECTOR - A light source device includes: a light emitting plate that has a plurality of segment regions including a transmissive portion that transmits light and a reflective portion on which a fluorescent substance layer; a light source that irradiates the fluorescent substance layer of the light emitting plate with the excitation light; a dichroic mirror that is disposed between the light source and the light emitting plate to transmit the excitation light and reflect fluorescent light from fluorescent substances of the fluorescent substance layer; and an optical device that condenses the excitation light transmitted by the transmissive portion of the light emitting plate and the fluorescent light reflected by the dichroic mirror on a single optical path to form a condensed light and radiate the condensed light toward the same direction. | 12-30-2010 |
20110037956 | LIGHT PIPE AND PROTECTING APPARATUS UTILIZING THE LIGHT PIPE - A light pipe comprises a solid light guiding portion and a hollow light guiding portion. The solid light guiding portion includes a receiving end and an output end, receives a light beam at the receiving end, and transmits the light beam to the output end via total reflection. The hollow light guiding portion includes a hollow output end. The hollow light guiding portion is combined with the output end of the solid light guiding portion in a combination part. The hollow light guiding portion receives the light beam from the output end, and transmits the light beam to the hollow output end via total reflection. | 02-17-2011 |
20110075115 | Video Projector - An object of the invention is to reduce the size and weight of a video projector by shortening the length of the arm of a mirror rotator and reducing the size of a mirror. A video projector comprises a plurality of projection lenses through which image light rays from a liquid crystal panel are extracted in a magnified manner; a reflective mirror for reflecting the extracted image light rays onto a screen; and a mirror rotator for rotating the reflective mirror so that the extracted image light rays can be reflected in particular directions. Among the projection lenses, some of the projection lenses located farther away from the liquid crystal penal are partially cut such that areas through which the image light rays do not pass are cut off to create a lens cut-off space. The mirror rotator is placed in the lens cut-off space. | 03-31-2011 |
20110075116 | HIGH-PRESSURE DISCHARGE LAMP DEVICE AND PROJECTOR USING THE SAME - 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. | 03-31-2011 |
20110085147 | LIGHT SOURCE DEVICE AND PROJECTION DISPLAY DEVICE - A light source device includes: a microwave generating section generating microwaves; a central conductor connected to the microwave generating section and emitting the microwaves; a discharge lamp connected to the central conductor and emitting light by the microwaves; and a reflector surrounding the discharge lamp, the reflector which has an opening at one end thereof and is formed of conductor material, wherein the relationship between a wavelength λ of the microwaves, an inside surface length D which is an inside diameter of the opening of the reflector or a maximum length of a cross-sectional shape of the opening of the reflector, and a length L from a first end of the discharge lamp opposite to a second end connected to the central conductor to the opening of the reflector is D≦λ/2 and L/D≧0.8. | 04-14-2011 |
20110116057 | REFLECTOR MOUNTING STRUCTURE AND PROJECTION DISPLAY DEVICE - 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. | 05-19-2011 |
20110128510 | PROJECTION IMAGE DISPLAY APPARATUS - A projection display apparatus | 06-02-2011 |
20110157564 | LIGHT SOURCE DEVICE AND PROJECTION DISPLAY APPARATUS INCLUDING THE SAME - A light source device ( | 06-30-2011 |
20110164227 | Optical system for a digital light projection system including a multi-light path lens - An optical system for a digital light projection system is provided. The optical system comprises an illumination source that generates unmodulated light. The optical system also comprises a multi-light path lens that receives the unmodulated light, wherein the multi-light path lens includes at least one reflective surface that reflects the unmodulated light. The optical system further comprises a modulator that receives the reflected unmodulated light, whereby the modulator generates modulated light. The multi-light path lens receives the modulated light. The multi-light path lens is used within both the unmodulated light path and the modulated light path. In other words, the multi-light path lens is used within both the illumination optical path and the imaging optical path to thereby provide an extremely compact optical system. | 07-07-2011 |
20110188009 | SCREEN UNIT AND PROJECTION DISPLAY APPARATUS - A screen unit includes an upper horizontal rim, lateral vertical rims, and a lower horizontal rim U-shaped in cross section that cover four side outer peripheries of a laminated body including a thin sheet glass, a Fresnel lens sheet that is a part of a cylindrical surface with an axis line extending in a first direction parallel to the thin sheet glass and is warped in a shape convex toward a side of the thin sheet glass, and a lenticular lens sheet that is a part of a cylindrical surface with an axis line extending in a direction parallel to the thin sheet glass and perpendicular to the first direction, is warped in a shape convex toward a side of the thin sheet glass, and sandwiches the thin sheet glass with the Fresnel lens sheet. | 08-04-2011 |
20110194082 | MICROELECTROMECHANICAL SYSTEM WITH REDUCED SPECKLE CONTRAST - The present disclosure describes, among other things, a reduced speckle contrast microelectromechanical system. One exemplary embodiment includes micromechanical structures configured to form a uniform reflective surface on a substrate, an elastic substance coupled to the substrate, and an energy source that applies a voltage to the elastic substance to alter the shape of the surface of the substrate, for example, by about 10% to about 25% of a wavelength of light projected onto the substrate at a frequency of at least 60 Hz. Another exemplary embodiment includes micromechanical structures formed on a surface of a substrate, a reflective diaphragm connected to the substrate, an elastic substance coupled to the diaphragm, and an energy source that applies a voltage to the elastic substance to vibrate the diaphragm at a frequency of at least 60 Hz. | 08-11-2011 |
20110194083 | Magnetically Actuated System - A magnetically actuated system includes a conductor and a magnetic field apparatus to generate a magnetic field. The magnetic field apparatus includes magnets and magnetically permeable materials to focus the magnetic field in areas of the conductor that produce a drive torque when the conductor carries a current. | 08-11-2011 |
20110205503 | HIGH-PRESSURE MERCURY VAPOR DISCHARGE LAMP AND METHOD OF MANUFACTURING A HIGH-PRESSURE MERCURY VAPOR DISCHARGE LAMP - A high-pressure mercury vapor discharge lamp ( | 08-25-2011 |
20110211175 | PANORAMIC PROJECTION DEVICE, AND METHOD IMPLEMENTED BY THIS DEVICE - A projection device ( | 09-01-2011 |
20110211176 | OPTICAL SYSTEM AND PROJECTOR - An optical system and a projector utilizing the optical system can prevent tilted projection, hence ensuring that keystone distortion will not occur. The inventive optical system includes a lens group and a reflection layer. The lens group has a plurality of lens elements, and is utilized for guiding an input light beam. A shape of each of lens elements is substantially identical to a shape of a half of a rotationally symmetrical lens. The reflection layer is disposed under the lens group, and utilized for reflecting an incident light beam. As a result, the optical system is configured for guiding the output light beam derived from the input light beam to be projected onto an area substantially higher than a common line. | 09-01-2011 |
20110228234 | REFLECTIVE OPTICAL ELEMENT AND METHOD FOR PRODUCTION OF SUCH AN OPTICAL ELEMENT - In order to produce stress-reduced reflective optical elements ( | 09-22-2011 |
20110242504 | Rear Projection System - The present disclosure generally relates to a rear projection system. The rear projection system may include a housing assembly configured to house at least a portion of a speaker system. The housing assembly may include a multi-function panel that is at least partially optically transmissive and includes an acoustically transparent portion. The rear projection system may further include a rear projection device positioned within the housing assembly and | 10-06-2011 |
20110242505 | LIGHT SOURCE DEVICE AND PROJECTOR - A light source device includes an arc tube having a tube spherical portion containing a light emission portion and a pair of sealing portions, a reflector and a sub mirror having a reflecting portion and a fixing portion. The reflector is so shaped that at least an end on one side is removed in a cross-sectional view cut along a predetermined plane containing a revolution center axis. The fixing portion of the sub mirror is so constructed as to cover at least the sealing portion as one of the pair of the sealing portions of the arc tube through an area larger than the half of the outer circumference of the sealing portion. | 10-06-2011 |
20110242506 | PROJECTION APPARATUS - A projection apparatus comprising a projection unit provided with an optical system that projects an image, a housing that houses the projection unit, a first surface, provided at the housing, that functions as a distance reference surface that defines a distance from a projection window that the housing is provided with to a projection surface that projects the image and as a first placement surface used when setting the housing, and a second surface, provided at the housing, that perpendicularly intersects the first surface and functions as a second placement surface when setting the housing is provided. | 10-06-2011 |
20110249242 | ILLUMINATION OPTICAL SYSTEM AND PROJECTOR USING THE SAME - This invention realizes an illumination optical system with a small etendue that has a longer lifetime and a high degree of brightness. The invention includes: a laser light source that generates excitation light; a phosphor that generates a fluorescent light by means of the excitation light; a light tunnel that projects the excitation light that is incident at one end towards the phosphor from another end, and projects a fluorescent light generated with the phosphor from the one end; and a dichroic mirror that is provided between the laser light source and the light tunnel, and that allows the fluorescent light or the excitation light to pass through, and reflects the remaining excitation or fluorescent light. | 10-13-2011 |
20110267588 | PROJECTOR - A projector includes a main body and an optical assembly. The main body forms an image and projects the image to a first screen through a lens of the main body. The optical assembly is detachable from the light path of the lens, and is used for reflecting light beams emitted from the lens to project an image on a second screen when the optical assembly is in the light path of the lens. When the optical assembly is detached from the light path of the lens, the optical assembly projects the image on the first screen. The first screen and the second screen are on two adjacent perpendicular surfaces, such as a wall and a ceiling. | 11-03-2011 |
20110267589 | PROJECTION-TYPE IMAGE DISPLAY DEVICE AND PROJECTION-TYPE IMAGE DISPLAY SYSTEM - A projection-type image display device includes an image light generator configured to generate image light, a projection optics configured to project the image light onto a screen. The projection optics includes a reflection mirror configured to reflect the image light toward the screen, the image light outputted from the image light generator. A projection-type image display device includes a protective cover provided on an optical path of the image light reflected by the reflection mirror. The protective cover has a transmissive region transmitting the image light reflected by the reflection mirror. | 11-03-2011 |
20110285973 | PROJECTION OPTICAL APPARATUS - The projection optical apparatus of the invention comprises a projection optical system | 11-24-2011 |
20110292355 | REFRACTIVE OPTICS AND PROJECTION DISPLAY APPARATUS - Disclosed are a projection display apparatus and a projection optics provided in the projection display apparatus. The projection optics has a refractive optics and a reflective optics. In the refractive optics, a lens (non-circular lens) provided on a reflective optics side has a non-circular shape forming part of an imaginary circular region whose center is an optical axis center of the refractive optics. In other words, the non-circular lens has a shape of a cut-out portion of an imaginary circular lens having an optical axis center coinciding with the optical axis center of the refractive optics. | 12-01-2011 |
20110299049 | PROJECTION TYPE DISPLAY APPARATUS - A projection type display apparatus includes: a lens group comprising a plurality of lenses arranged in the traveling direction of light with respect to an image display element; a first lens arranged in the traveling direction of light with respect to the lens group; a second lens arranged in the traveling direction of light with respect to the first lens; and a mirror for reflecting light emitted from the second lens and obliquely projecting the reflected light onto a screen, wherein a lens, among the lens group, nearest to the first lens is a meniscus lens with its convex surface facing the direction of the first lens, wherein the first lens is a meniscus lens with its convex surface facing the direction of the second lens, and wherein the second lens is a meniscus lens with its convex surface facing the direction of the mirror. | 12-08-2011 |
20110310363 | ILLUMINATION DEVICE AND IMAGE DISPLAY APPARATUS - An illumination device includes: an excitation light source that emits excitation light having a first wavelength; and a fluorescent member that includes a fluorescent substance that, when it is irradiated with the excitation light, emits light having a second wavelength longer than the first wavelength, transmits a part of the excitation light and reflects another part of the excitation light, and a first reflective film provided at a side of the fluorescent substance, which is opposite to an excitation light incidence side, the fluorescent member emitting multiplexed light including an excitation light component reflected from the fluorescent substance and the first reflective film and a light component emitted from the fluorescent substance. | 12-22-2011 |
20110317134 | MODULAR STRUCTURE OF PICO PROJECTOR - The structure of a projector contains a light path module, a projection lens module, a source lens module, a reflection mirror module, a reflection panel module, and a light source module. The light path module has a U-shaped body. The source lens module and the light source module are configured along a left side of the light path module. The projection lens module is configured along a right side of the light path module. The projection lens module is for projecting image to a screen. The source lens module is for modulating the light from the light source module. The reflection mirror module is installed at a left corner of the light path module to reflect the incident light from the light source module towards the reflection panel module. The reflection panel module is installed from the outside of a right corner of the light path module. | 12-29-2011 |
20120019790 | LIGHT SOURCE DEVICE AND PROJECTOR - A light source device includes: an arc tube having a bulb portion and a sealing portion; a reflector which fixes the arc tube; and a holding portion which holds the reflector, wherein the holding portion includes an inlet port, a partition provided between the inlet port and the arc tube, a pair of passages to which diverges in the partition and can circulate the cooling air to the arc tube, a first opening provided in the partition, and a shutter which is provided on that side of the partition where the inlet port is located, rotates about a rotation axis, and blocks a lower passage of the pair of passages, and on that side of the shutter where the rotation axis is located, a second opening is provided so as to overlap the first opening as seen from the inlet port. | 01-26-2012 |
20120033190 | ELECTRODE USED FOR DISCHARGE LAMP, HIGH PRESSURE DISCHARGE LAMP, LAMP UNIT, AND PROJECTION IMAGE DISPLAY APPARATUS - The present invention aims to prevent breakage of a sealing part and an electrode of a high pressure discharge lamp, and provides an electrode | 02-09-2012 |
20120062857 | ILLUMINATION OPTICAL SYSTEM AND PROJECTOR USING THE SAME - This invention realizes an illumination optical system with a small etendue that has a longer lifetime and a high degree of brightness. The invention includes: a laser light source that generates excitation light having a first wavelength; a phosphor wheel including a blue fluorescent light generation region that generates fluorescent light having a second wavelength by means of the excitation light, and a green fluorescent light generation region that generates fluorescent light having a third wavelength by means of the excitation light; an LED light source that generates light having a fourth wavelength; and a dichroic mirror that reflects fluorescent light having the second wavelength and fluorescent light having the third wavelength and allows light having the fourth wavelength to pass therethrough, to thereby emit each of the lights in the same direction. | 03-15-2012 |
20120069307 | HIGH-VOLTAGE DISCHARGE LAMP, LAMP UNIT, PROJECTION IMAGE DISPLAY DEVICE, AND METHOD FOR MANUFACTURING HIGH-VOLTAGE DISCHARGE LAMP - Disclosed is a high-pressure discharge lamp ( | 03-22-2012 |
20120081679 | LIGHT SOURCE APPARATUS AND PROJECTION DISPLAY APPARATUS - A light source apparatus includes: a light source unit; a light guiding reflection mirror; a reflector; and a luminous body unit. The luminous body unit includes: a luminous body and a reflecting body. The plurality of light sources are disposed around a position corresponding to an axis on which the luminous body unit is disposed. | 04-05-2012 |
20120092630 | PROJECTION TYPE DISPLAY DEVICE AND LIGHT AMOUNT ADJUSTMENT METHOD - A projection type display device that displays an image with projected light onto a target to he projected, including a first sensor ( | 04-19-2012 |
20120099085 | LIGHT EMITTING DIODE PACKAGE AND PROJECTION APPARATUS - A light emitting diode package including a carrier, at least one LED chip, and a light guide element. The LED chip is disposed on the carrier. The light guide element including a light transmissive body, a light integration part, a reflective film, and a support part is disposed on the carrier and located above the LED chip. The light integration part connected to the light transmissive body and disposed between the light transmissive body and the LED chip has a light incident surface facing the LED chip and at least one side surface. The side surface connects the light transmissive body and the light incident surface. The reflective film is disposed on the side surface. The support part leaning on the carrier is connected to the light transmissive body and surrounds the light integration part. The light transmissive body, the light integration part, and the support part are integrally formed. | 04-26-2012 |
20120120375 | OPTICAL MICRO-PROJECTION SYSTEM AND PROJECTION METHOD - An optical micro-projection system comprising the following components: at least one laser light source ( | 05-17-2012 |
20120133909 | PROJECTION DISPLAY APPARATUS - A projection display apparatus includes a housing member that houses a light source, an imager that modulates light emitted from the light source, and a projection unit that projects light emitted from the imager onto a projection plane, wherein the projection unit has a concave mirror that reflects the light emitted from the imager to the projection plane side, and the housing member pivotally supports the concave mirror along a circumference of a virtual circle formed by a virtual extension line of the concave mirror. | 05-31-2012 |
20120147339 | OPTICAL ELEMENT HAVING A TORIC SURFACE - An image forming system is described that includes a light source that provides a light beam and an anamorphic refractive optical element. A first outer surface of the anamorphic element faces the light source and includes a toric surface. The light beam is incident upon the first outer face and then an incident surface of the anamorphic element. The anamorphic element directs the light beam to an image forming device. An illumination system is also described where an anamorphic element includes a toric surface and a facet surface. | 06-14-2012 |
20120154767 | LIGHT SOURCE APPARATUS - A light source apparatus which emits light from phosphor by exciting light and in which an efficiency of brightness is improved is provided. The light source apparatus has a light source which emits exciting light; and a metal member to which the exciting light is input, wherein the metal member has a concave portion in a portion to which the exciting light is input, and phosphor to generate phosphor light from the exciting light is coated in the concave portion. The concave portion may have a taper shape. The phosphor may be coated on at least two surfaces of the concave portion. The phosphor may be coated on an area which is equal to or less than the half of a depth of the concave portion. A glass member having a taper shape may be formed at an opening portion of the concave portion. | 06-21-2012 |
20120154768 | OPTICAL PROJECTION SYSTEM AND IMAGE PROJECTOR - Disclosed is an optical projection system for projecting an enlarged image on a projection surface. The optical projection system includes an image forming element, a coaxial optical system and a concave mirror. The coaxial optical system and the concave mirror are arranged in this order on an optical path from the image forming element to the projection surface. The coaxial optical system includes lens groups and an aperture stop that share an optical axis. The lens groups include a first lens group and other lens groups. | 06-21-2012 |
20120194788 | DISCHARGE LAMP, LIGHT SOURCE DEVICE AND PROJECTOR - A discharge lamp includes a pair of electrodes for discharge and a discharge container having an inner space formed by quartz glass for separately placing the pair of electrodes and enclosing a discharge medium therein, a bulging part that surrounds the inner space, a pair of sealing parts that extend from ends of the bulging part and respectively support the pair of electrodes, an inner protective layer provided from a top portion opposed to a center of the pair of electrodes to a peripheral portion located at sides of the pair of sealing parts on an inner surface of the bulging part and having a thickness of the peripheral portion thinner than that of the top portion. | 08-02-2012 |
20120218526 | HIGH PRESSURE DISCHARGE LAMP WITH START-UP ASSIST MEMBER, LAMP UNIT, LAMP SYSTEM, AND PROJECTOR - The present invention provides a high pressure discharge lamp with a start-up assist member, a lamp unit, and a lamp system that reduce breakdown voltage and provide high design flexibility by reducing restriction on a position of an adjacent conductor. In a high pressure discharge lamp | 08-30-2012 |
20120262681 | MICROMECHANICAL PROJECTION DEVICE AND METHOD FOR MANUFACTURING A MICROMECHANICAL PROJECTION DEVICE - A micromechanical projection device includes: a carrier which has a first, a second, and a third section, the second section being situated between the first and the third sections and having a flexible design; a mirror, which is mounted on the first section; and a light source which is mounted on the third section. The second section is bent in such a way that a light beam from the light source is directable onto the mirror. | 10-18-2012 |
20120281188 | PROJECTION DISPLAY DEVICE HAVING AN OPERATION SECTION FOR DISPLACING A LENS - A projection display device comprises a projection lens section to which light modulated by a light modulating element is entered, a mirror section for reflecting the light emitted from the projection lens section to reflect to the projection lens section side and directing the light to a projection plane, and an operation section for displacing a lens in the projection lens section. The operation section is disposed in a region in which the operation section does not hinder an optical path of the light that has been passed through a projection port provided in a main body cabinet. | 11-08-2012 |
20120287409 | HIGH-PRESSURE DISCHARGE LAMP, LAMP UNIT, AND PROJECTOR-TYPE IMAGE DISPLAY APPARATUS - A high-pressure discharge lamp comprising an arc tube, the arc tube including: a light-emitting part which is substantially ellipsoidal; and sealing parts which extend from either end of the light-emitting part and in which bases of electrodes are sealed, the arc tube enclosing 0.2 mg/mm | 11-15-2012 |
20120307214 | PROJECTOR - A projector includes: an external case provided with an opening through which light passes; a projection system disposed within an inside space of the external case, wherein the projection system includes a reflection member having a reflection surface capable of reflecting light received from a light source device to guide the light toward the opening, and projects the light to the outside of the external case via the opening; and a detection unit which detects a foreign material existing on the optical path of the light in the area of light exit of the opening. | 12-06-2012 |
20120320343 | ILLUMINATED SKIN ROBOT DISPLAY - There is provided a robot that includes a processor executing instructions that determine a desired image to be displayed. The processor issues control signals corresponding to the desired image to be displayed. The robot also comprises a display assembly including a visual projector, a mirror, and a display surface. The visual projector and mirror are disposed within the robot. The visual projector projects light corresponding to the desired image onto the mirror. The mirror receives the light from the projector, and reflects the light onto the display surface. The display surface receives the light. The image is visible on the display surface from outside the robot. | 12-20-2012 |
20120320344 | ILLUMINATING OPTICAL SYSTEM AND PROJECTOR USING THE SAME - An illuminating optical system is realized which can efficiently produce longer-life and higher-luminance illuminating light with a small etendue. The illuminating optical system includes a concave reflection mirror ( | 12-20-2012 |
20120320345 | PROJECTOR AND HOUSEHOLD APPLIANCE COMPRISING SUCH A PROJECTOR - Projector ( | 12-20-2012 |
20130003028 | FLOATING VIRTUAL REAL IMAGE DISPLAY APPARATUS - A floating virtual real image display apparatus includes a scanning mechanism, a real image imaging unit and a light source; a light beam emitted from the light source is reflected and refracted by the real image imaging unit to generate a real image corresponding to the light source; a position of said real image is altered through a scanning of the scanning mechanism to generate a floating virtual image; the floating virtual image is allowed to display a variable virtual image by controlling the light source to emit bright, dark light beams corresponding to an image through the image signal processing unit. | 01-03-2013 |
20130033685 | ILLUMINATION OPTICAL SYSTEM AND PROJECTION DISPLAY APPARATUS - Disclosed is an illumination optical system that includes: two solid-state light sources ( | 02-07-2013 |
20130038847 | ILLUMINATION OPTICAL SYSTEM AND A PROJECTOR USING THE SAME - The present invention seeks to realize a small etendu illumination optical system, a longer operating life and a higher brightness. The illumination optical system comprises: a laser light source that generates an excitation light; a fluorescent substance that generates a fluorescent light in response to the excitation light, a light tunnel that outputs the excitation light input at one end thereof to the fluorescent substance from the other end thereof, and that outputs the fluorescent light generated by the fluorescent substance from the one end thereof; and a mirror that is placed within a light path between the laser light source and the light tunnel, and that reflects the fluorescent light, the mirror having an aperture formed thereon that allows the excitation light to pass through. | 02-14-2013 |
20130070216 | IMAGE PROJECTION APPARATUS - Provided is an image projection apparatus, such as a projector, including a light source; an image generating element such as a DMD that receives light from the light source and forms an image; an image generating unit that irradiates the image generating element with the light from the light source; a first optical system including multiple transmission refractive optical elements; a second optical system arranged on an optical path of outgoing light of the first optical system and including a reflection optical element; and a projection optical system that enlarges and projects an image conjugate to the image generated by the image generating element as a projected image. The light source, the image generating unit, and the first optical system are arranged side by side in series in a direction parallel with the projected image plane. | 03-21-2013 |
20130077062 | PROJECTOR SYSTEM HAVING INTERCHANGEABLE LIGHT SOURCE MODULES - A projector system has interchangeable light source modules. The projector housing contains an imaging panel and a projection engine and has an inlet for receiving light from an external light source. At least one light source module contains a light source, a light outlet, and an internal focusing system such that substantially all of the light generated by the light system passes out through said outlet. The projector housing and module housing each contain hardware for releasably connecting the two separate housings to one another at a precise relative location so that substantially all of the light generated inside the module housing and exiting the outlet enters through the inlet of said projector housing. | 03-28-2013 |
20130077063 | Projection Display System - A projection display system includes a projection display unit and a member in a form of one of a windable screen, a white board and a notice board. The projection display unit projects an image light onto a projection plane of the member to display an image thereon. The projection display unit includes a light source, an image display element, a lighting optical system irradiating a beam of light from the light source on the image display element, and a projection optical system projecting the image light from the image display element toward the member. The projection optical system includes, in order toward the member from the image display element, a front lens group, and a reflecting mirror shaped to be axial-asymmetrical with respect to the optical axis. | 03-28-2013 |
20130100423 | LIGHTING DEVICE - 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). | 04-25-2013 |
20130114052 | IMAGE PROJECTION APPARATUS - 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. | 05-09-2013 |
20130194555 | Piezoelectric Actuated Device, Method and System - 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. | 08-01-2013 |
20130201459 | LASER PROJECTOR - 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. | 08-08-2013 |
20130215400 | PROXIMITY PROJECTOR HAVING A DUST-PROOF COVER - 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. | 08-22-2013 |
20130242275 | OPTICAL MEMS SCANNING MICRO-MIRROR WITH SPECKLE REDUCTION - Optical MEMS scanning micro-mirror comprising:—a movable scanning micro-mirror ( | 09-19-2013 |
20130271737 | IMAGE PROJECTION APPARATUS - 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. | 10-17-2013 |
20130278907 | OPTICAL MEMS SCANNING MICRO-MIRROR WITH ANTI-SPECKLE COVER - Optical MEMS scanning micro-mirror comprising: —a movable scanning micro-mirror ( | 10-24-2013 |
20130286363 | PROJECTOR HAVING REFLECTION DEVICE - A projector having a reflection device includes a projector body and a reflection device. The projector body has a first surface and a second surface. A projection lens is disposed on the first surface. A reflection device is disposed beside the projection lens for reflecting a projected image of a mobile device connected to the projector body. Due to the reflection device, the projected image of the projector is reflected and projected, thereby allowing the path of image projection to change and go in another direction and enlarging the projected image with the reflecting mirror. | 10-31-2013 |
20130293853 | PROJECTION DEVICE AND LIGHT VALVE MODULE THEREOF - A light valve module including a first shell, a second shell, a light valve, an elastic pad and a sealant is provided. The first shell has an opening. The second shell is assembled to the first shell. The first shell and the second shell form a containing space therebetween. The light valve is disposed in the containing space and is exposed by the opening. The elastic pad is disposed between the first shell and the second shell for sealing the containing space. The sealant is adhered at a periphery of the opening and the light valve for sealing the containing space. In addition, a projection device having the light valve module is also provided. | 11-07-2013 |
20130335713 | OPTICAL APPARATUS - An optical apparatus includes a support stand, an optical module, a reflective module, at least a first adjusting unit and at least a second adjusting unit. The support stand has a base and a back frame. The back frame is connected with the base and formed an inclination angle with the base. The optical module is disposed on the base. The reflective module is disposed on the back frame. The first adjusting unit is connected with the back frame and the base. The first adjusting unit moves the back frame so as to adjust the inclination angle. The second adjusting unit is disposed at the back frame and contacts against the reflective module. The second adjusting unit moves the reflective module so as to adjust a swinging angle of the reflective module. | 12-19-2013 |
20130335714 | OPTICAL APPARATUS AND SUPPORT STAND THEREOF - A support stand made of sheet metal is cooperated with an optical module and a reflective module. The support stand includes a base and a back frame. The optical module is disposed on the base. To enhance its structural rigidity, the base substantially has a “ | 12-19-2013 |
20130335715 | HIGH-PRESSURE DISCHARGE LAMP HAVING AN ARC TUBE IN WHICH A PAIR OF ELECTRODE RODS ARE DISPOSED, LUMP UNIT, AND PROJECTOR-TYPE IMAGE DISPLAY APPARATUS - A high-pressure discharge lamp having an arc tube with a casing made of glass. The arc tube includes a light-emitting part and sealing parts connected to the light-emitting part. A pair of electrode rods are disposed within the glass casing such that their tips face each other with a gap therebetween and project into the discharge space, and their base ends are embedded in the sealing parts and overlap surfaces of metal foils provided in the sealing parts. Each base end is coated with a coating foil made of metal and having a C-like cross section with a slit formed between edges thereof. An end of the coating foil farthest from the light-emitting part is located closer to the light-emitting part than an end of the metal foil closest to the light-emitting part. | 12-19-2013 |
20140002804 | Laser Scanning Projection System with Reduced Speckle Contrast and Speckle Contrast Reducing Method | 01-02-2014 |
20140022520 | PROJECTION DISPLAY APPARATUS - A projection display apparatus includes an image display element for displaying an image on a reduction side conjugate plane and a projection optical system for magnifying and projecting the image onto a screen which is a magnification side conjugate plane as a conjugate image. The projection optical system substantially consists of a dioptric system and a catoptrics system having a common axis. The center of a display surface of the image display element is disposed eccentrically with respect to the optical axis and, when a magnification side conjugate position of the center of the display surface is vertically above the optical axis, an intersection point between a lower light ray of a light flux focused on the bottom center of the conjugate image and an upper light ray of a light flux focused on the top center of the conjugate image falls within a predetermined range. | 01-23-2014 |
20140063473 | STABILIZED PICO-PROJECTOR DEVICE AND RELATED IMAGE STABILIZATION METHOD - A pico-projector device includes a light source operable to generate a light beam as a function of an image to be generated, a mirror mechanism operable to direct the light beam towards a displaying surface, and a driving circuit that supplies driving signals for controlling movement of the mirror mechanism. The driving circuit includes a compensation stage that receives angular velocity signals from a gyroscopic sensor coupled to the pico-projector device and generates the driving signals as a function of the angular velocity signals, thereby stabilizing the image projected on the displaying surface with respect to undesired movements of the pico-projector device. | 03-06-2014 |
20140125959 | THIN FILM MIRROR - A thin film mirror, comprising: a mirror shell ( | 05-08-2014 |
20140132936 | ELECTRONIC DEVICE - It is provided an electronic device including an opto-mechanical system and an optical unit; the opto-mechanical system is adapted to form projection light oriented in a first direction in accordance with a display data signal, the housing of the electronic device has a first opening on the emission path of the projection light; the optical unit is adapted to adjust a projection direction of the projection light; specifically, the optical unit has at least a first position and a second position, when the optical unit is in the first position, the projection light forms a projected image in the first direction; and when the optical unit is in the second position, the projection light has its direction adjusted by the optical unit to the second direction, and then forms a projected image along the second direction. | 05-15-2014 |
20140132937 | OPTICAL ELEMENT AND PROJECTION ARRANGEMENT INCLUDING SUCH AN OPTICAL ELEMENT - In various embodiments, an optical element may include: a first planar base area; and a second planar base area; wherein the first base areas and second base areas do not lie in a same plane; wherein the first base area has a coating, which is designed to reflect or transmit an electromagnetic wave according to a predefined criterion; wherein the predefined criterion concerns a property of the electromagnetic wave which is different from an intensity; wherein a surface structure is arranged at the second base area of the optical element, said surface structure being formed integrally with the base area; and wherein the surface structure is designed to shape an intensity profile of a light beam impinging on the surface structure of the optical element. | 05-15-2014 |
20140146295 | PROJECTION OPTICAL SYSTEM AND IMAGE PROJECTION APPARATUS - Disclosed is a projection optical system, including a first lens group configured to include at least one lens and have a positive refractive power, a second lens group configured to include at least one lens and have a positive refractive power, a third lens group configured to include at least one lens and have a negative refractive power, a fourth lens group configured to include at least one lens configured to have an aspheric surface or a free-form surface, and a concave mirror, wherein the first lens group, the second lens group, the third lens group, the fourth lens group, and the concave mirror are arranged in order and the projection optical system is a non-telecentric optical system. | 05-29-2014 |
20140160448 | OPTICAL MODULE USED IN PROJECTION DEVICE - An optical module used in a projection device is provided. The optical module includes a base and a filter mirror. The base has an inclined leaning surface and a sidewall surface. The sidewall surface is located at a periphery of the base and forms a through hole along a direction. The inclined leaning surface is extended from the sidewall surface and an inclined angle is formed between the inclined leaning surface and the direction. The filter mirror is disposed on the inclined leaning surface. | 06-12-2014 |
20140204351 | PROJECTION OPTICAL ASSEMBLY AND PROJECTOR DEVICE - There is provided a projection optical system ( | 07-24-2014 |
20140218699 | IMAGE PROJECTOR HAVING AN OPTICAL PROJECTION SYSTEM WITH INDEPENDENTLY FOCUSING LENS - An optical projection system for projecting an enlarged image on a projection surface is provided. The optical projection system includes an image forming element, a coaxial optical system and a concave mirror. The coaxial optical system and the concave mirror are arranged in this order on an optical path from the image forming element to the projection surface. The coaxial optical system includes lens groups and an aperture stop that share an optical axis. The lens groups include a first lens group and other lens groups. The first lens group has negative refractive power and independently moves in an optical axis direction for adjusting the focus of the optical projection system. The aperture stop is arranged at a position closer to the image forming element than the first lens group that is arranged closest to the concave mirror among the lens groups having the negative refractive power. | 08-07-2014 |
20140218700 | APPARATUS AND METHODS FOR LOCKING RESONATING FREQUENCY OF A MINIATURE SYSTEM - A resonance locking system for a pico-projector, the system comprising a resonance frequency sensor operative for sensing change in resonance frequency of a miniature mechanical device ( | 08-07-2014 |
20140240682 | SEMICONDUCTOR LIGHT-EMITTING DEVICE, SUPER LUMINESCENT DIODE, AND PROJECTOR - A semiconductor light-emitting device includes: a stacked structure including a light-emitting layer, a first cladding layer, and a second cladding layer; a first electrode electrically connected with the first cladding layer; a second electrode electrically connected with the second cladding layer; and a third electrode electrically connected with the second cladding layer. The stacked structure includes an optical waveguide. The optical waveguide includes a straight waveguide portion extending from a light exiting portion along a straight line inclined to a normal of a front edge surface of the stacked structure, and a curved waveguide portion including a curved waveguide having a shape with a curvature. The density of current injected into the straight waveguide portion is higher than that of current injected into the curved waveguide portion. | 08-28-2014 |
20140293246 | Vibrating Mirror Element and Projector - A vibrating mirror element includes a mirror portion including a reflection surface reflecting light, a supporting portion connected to the mirror portion, supporting the mirror portion to be capable of vibrating about an axis line, and a drive portion connected with the supporting portion, drivingly vibrating the mirror portion through the supporting portion. The mirror portion is formed such that at least the reflection surface is in a curved shape. | 10-02-2014 |
20140307233 | PROJECTION APPARATUS - A projection apparatus includes a casing with an opening, a light-emitting unit in the casing and emitting a first projection beam, and a reflective component in the casing and on a transmission path of the first projection beam. The first projection beam reflected by the reflective component becomes a second projection beam projected out via the opening along a projection direction. The light-emitting unit includes a projection lens with an optical axis between a center of the reflective component and the opening of the casing. | 10-16-2014 |
20140320829 | Multiple Laser Drive Method, Apparatus and System - A scanning projector includes a scanning mirror that sweep a beam in two dimensions. The beam is created by multiple laser light sources, at least two of which create light at substantially the same wavelength. A first of the two light sources is driven up to a transition point past which both of the two light sources are driven (equally or unequally). | 10-30-2014 |
20140320830 | LED LIGHT PROJECTOR WITH FRESNEL OR PLANAR-CONVEX LENS, IN PARTICULAR FOR CINEMA ILLUMINATION - An optical system for LED light projectors utilising a Fresnel or planar-convex lens that permits a considerable energy saving and an elevated quality of the illumination either in FLOOD or SPOT mode is described. The optical system has a mirror having a particular three-dimensional surface constructed by rotating a parabola and taking sectors so as to obtain a surface that is more closed than a pure parabola. A reflecting optical system for projectors utilising a Fresnel or planar-convex lens is also described. | 10-30-2014 |
20140333906 | PROJECTOR AND PORTABLE TERMINAL - According to one embodiment, a projector includes a light source unit, a light scanning unit, and a focus controller. The light source unit emits laser light. The light scanning unit includes a holder and a reflective surface. The holder is capable of a first rotation operation around a first direction. The reflective surface is held by the holder and is capable of a second rotation operation around a second direction intersecting the first direction. The light scanning unit scans the laser light by the first and second rotation operations. The focus controller is provided between the light source unit and the light scanning unit in an optical path of the laser light to modify a convergence of the laser light. An angle between a plane including the first and second directions, and an image surface is not less than 80 degrees and not more than 100 degrees. | 11-13-2014 |
20140340657 | PORTABLE ELECTRONIC DEVICE HAVING PROJECTION UNIT - A portable electronic device includes a main body, a display substrate, a projection unit, and a reflection film. The main body includes a first surface and defines a receiving cavity in the first surface. The displaying substrate is rotatably received in the receiving cavity. The displaying substrate includes a first projection surface and a second projection surface facing away from the first projection surface. The first projection surface is close to the receiving cavity. The projection unit is received in the receiving cavity. The reflection film is movably positioned on the second projection surface. | 11-20-2014 |
20150022789 | PROJECTOR - A projector includes a projection lens (reflective projection lens) that has a reflective optical element (reflective lens) and reflects and projects a modulated light flux, an optical unit formed of optical elements disposed downstream of a light source apparatus and upstream of the reflective projection lens, a support that supports the reflective projection lens in an detachable manner with the optical unit, and an angle adjuster that adjusts a setting angle of the reflective projection lens. | 01-22-2015 |
20150029475 | COHERENT LIGHT SOURCE DEVICE AND PROJECTOR - There are provided a coherent light source apparatus and a projector that achieve avoiding of an issue that uniformity in projected light is degraded by a speckle that inevitably appears upon projection of coherent light of a semiconductor laser, any other laser, etc., and each including: a coherent light source; a first optical system configured to project light derived from a first light emission region to form a second light emission region, the first light emission region being formed on basis of the coherent light source; a light deflection section configured to deflect a bundle of rays in vicinity of the second light emission region, the bundle of rays being related to formation of the second light emission region; a second optical system provided downstream of the light deflection section; and a light mixing section provided downstream of the second optical system, and configured to mix components of angles and positions of rays incident on an incident end. The second optical system is configured to form, in distance, an image conjugate to the first light emission region, and form, at the incident end, a third light emission region substantially conjugate to an exit pupil of the first optical system. The light deflection section is configured to continue to perform an operation that causes a direction in which the bundle of rays is deflected to be continuously changed. | 01-29-2015 |
20150077722 | PROJECTION OPTICAL SYSTEM AND PROJECTION-TYPE DISPLAY APPARATUS - In a projection optical system that projects an image displayed on an image display device arranged on a reduction-side conjugate plane onto a magnification-side conjugate plane, as a magnified image, the projection optical system includes a refractive optical system and a reflective optical system having negative refractive power in this order from a reduction side. Further, the following conditional formula (1) is satisfied: | 03-19-2015 |
20150077723 | PROJECTION OPTICAL SYSTEM AND PROJECTION-TYPE DISPLAY APPARATUS - In a projection optical system that projects an image displayed on an image display device arranged on a reduction-side conjugate plane onto a magnification-side conjugate plane, as a magnified image, the projection optical system includes a refractive optical system and a reflective optical system having negative refractive power in this order from a reduction side. Further, the following conditional formula (1) is satisfied: | 03-19-2015 |
20150077724 | PROJECTION OPTICAL SYSTEM AND PROJECTION-TYPE DISPLAY APPARATUS - In a projection optical system that projects an image displayed on an image display device arranged on a reduction-side conjugate plane onto a magnification-side conjugate plane, as a magnified image, the projection optical system includes a refractive optical system and a reflective optical system having negative refractive power in this order from a reduction side. Further, the following conditional formula ( | 03-19-2015 |
20150109588 | MICRO PROJECTOR DEVICE AND CONTROL METHOD THEREOF - The present invention provides a micro projector device including a MEMS mirror, a laser source module, a detection module, and a control unit. The MEMS mirror has a first portion and a second portion, the first portion pivots to the second portion, and the first portion oscillates in relation to the second portion. The laser source module generates a laser light to a reflection plane of the first portion of the MEMS mirror. The detection module detects a capacitance value between the first portion and the second portion. The control unit determines the relative position between the first portion and the second portion according to the capacitance value, and provides image data to the laser source module according to the relative position. The reflection plane of the first portion is configured to reflect the laser light from the laser source module to a projection plane. | 04-23-2015 |
20150124228 | IMAGE PROJECTION APPARATUS AND IMAGE PROJECTION METHOD - An image projection apparatus and an image projection method are provided. The image projection apparatus includes a projection light source, a scanning module, a reflection mirror and an optical detector. The projection light source provides a projection light beam and the scanning module drives the projection light beam to scan along at least an axial direction. The reflection mirror is located on a scan path of the projection light beam. The optical detector detects the projection light beam reflected by the reflection mirror and generates synchronous signals. The image projection apparatus determines a scanning frequency of the projection light beam according to the synchronous signals. | 05-07-2015 |
20150138517 | METHOD FOR ORIENTATING A GRID MIRROR AND GRID MIRROR DEVICE - A method is described for aligning a light beam, having the steps of: deflecting the light beam by way of a first mirror element and a second mirror element, the first mirror element being displaced through a first deflection angle around a first rotation axis, and the second mirror element being displaced through a second deflection angle around a second rotation axis inclined with respect to the first rotation axis, and the second mirror element being additionally displaced through a third deflection angle around a third rotation axis that is inclined with respect to the second rotation axis, and the first mirror element being displaced around a first mirror normal line of the first mirror element through a first compensation angle defined for the third deflection angle, and/or the second mirror element being displaced around a second mirror normal line of the second mirror element through a second compensation angle defined for the third deflection angle. | 05-21-2015 |
20150138518 | IMAGE PROJECTION APPARATUS - An image projection apparatus which enlarges and projects an image displayed on an image display element as a projection image on a screen, comprising the image display element displaying an image, a refracting optical system including a free-curved lens; a reflecting optical system including at least one concave mirror, and a light-blocking member including an aperture. On a sectional surface of a total light flux being introduced into the refracting optical system and is imaged on the screen after the concave mirror, when a direction A corresponds to a long side and a direction B corresponds to a short side of the projection image, the light-blocking member includes the aperture between a position in which a diameter of the total light flux in the direction A is the smallest and a position, those in the direction B is the smallest. | 05-21-2015 |
20150346469 | PROJECTOR, PROJECTING LENS OF THE PROJECTOR AND METHOD OF PROJECTING IMAGES - A projector includes an image ray generator and a projecting lens, wherein the image ray generator generates image rays. The projecting lens includes a relay optical system for receiving the image rays and a projection optical system having at least one lens and a reflector. Whereby, the image rays pass through the relay optical system, pass through the at least one lens, and then are reflected by the reflector. After being reflected, the image rays pass through the at least one lens again, and then leave the projecting lens to be projected onto a screen. In addition, the invention further discloses the structure of the projecting lens and a method of projecting images. | 12-03-2015 |
20160062218 | OPTICAL ELEMENT ADJUSTING APPARATUS AND PROJECTOR USING THE SAME - An optical element adjusting apparatus configured to support an optical element includes an adjusting base, a fixed base and locking elements. The adjusting base includes a first through hole disposed on a center of gravity of the adjusting base, a second through hole and a third through hole. An extension direction of a first straight line passing through the first through hole and the second through hole is different from an extension direction of a second straight line passing through the first through hole and the third through hole. The fixed base includes coupling holes corresponding to the first, second, third through holes. The locking elements pass though the first, second, third through holes respectively and are coupled to the coupling holes to couple the adjusting base to the fixed base. The adjusting base includes a support side away from the fixed base to support the optical element. | 03-03-2016 |
20160077319 | PROJECTION-TYPE VIDEO DISPLAY DEVICE - Provided is a projection-type video display device implementing further reduction of a projection distance and further miniaturization of a projection optical system. The projection-type video display device includes a lens group which includes a plurality of lenses, a free-form-surface lens, and a free-form-surface mirror which projects light from the free-form-surface lens on a screen, wherein the lens group includes a third lens which has a bi-convex shape, a fourth lens which has a bi-concave shape, a fifth lens which has a bi-convex shape, the third to fifth lenses constitute a triplet lens, and wherein the free-form-surface lens has a meniscus lens shape of which a convex surface is oriented toward the magnification side. | 03-17-2016 |
20160077420 | PROJECTION OPTICAL SYSTEM AND IMAGE PROJECTION APPARATUS - Disclosed is a projection optical system, including a first lens group configured to include at least one lens and have a positive refractive power, a second lens group configured to include at least one lens and have a positive refractive power, a third lens group configured to include at least one lens and have a negative refractive power, a fourth lens group configured to include at least one lens configured to have an aspheric surface or a free-form surface, and a concave mirror, wherein the first lens group, the second lens group, the third lens group, the fourth lens group, and the concave mirror are arranged in order and the projection optical system is a non-telecentric optical system. | 03-17-2016 |
20160091700 | PROJECTION OPTICAL SYSTEM AND PROJECTOR APPARATUS - A projection optical system comprises an image forming unit that forms an image; a refractive optical system including a plurality of lenses that enlarges and projects the image on a screen; and a reflecting surface, wherein an intermediate image is formed between the refractive optical system and the reflecting surface, and the projection optical system satisfies conditions of “0.603-31-2016 | |
20160124294 | IMAGING DEVICE AND MOUNTING APPARATUS - An imaging device includes a lens, a light pipe, a cover, and a mounting base. The cover can be coupled to the mounting base. The cover defines a groove and includes a latching plate and a mounting plate. The latching plate and the mounting plate are located at two opposite sides of the groove. The mounting plate defines a mounting hole. The mounting base defines a slot, a limiting slot corresponding to the latching plate, and a plurality of securing holes. When the imaging device is assembled, the latching plate is engaged in the limiting slot, a fastener is inserted into the mounting hole and engaged in the corresponding securing hole. The lens and the light pipe are received in the slot and the groove. | 05-05-2016 |
20160147136 | WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, PROJECTOR, AND METHOD FOR MANUFACTURING WAVELENGTH CONVERSION ELEMENT - The invention relates to a wavelength conversion element including: a phosphor layer including a first surface and fluorescence-emitting points dispersed therein; a reflection surface provided on the opposite side of the phosphor layer from the first surface; and a substrate provided on the opposite side of the reflection surface from the phosphor layer. The phosphor layer includes a first region on the first surface side and a second region located between the first region and the reflection surface. A concentration of the fluorescence-emitting points in the second region is higher than a concentration of the fluorescence-emitting points in the first region. | 05-26-2016 |
20160202472 | VEHICLE HEADUP DISPLAY DEVICE | 07-14-2016 |