Optics: image projectors inventions 07/06

20060164600 - High efficiency led optical engine for a digital light processing (dlp) projector and method of forming same: An optical light engine (100) includes one or more light-emitting diode (LED) panels (101, 102, 103) that are combined into a common path and directly imaged onto panel device to provide a source of light to a microdisplay panel (109). Preferably, the LED panel (101, 102, 103) is shaped such...

20060164601 - Projector: A projector that includes: an illumination device; an electro-optic modulator that modulates a luminous flux coming from the illumination device in accordance with image information; and a projection optical system that projects a light modulated by the electro-optic modulator. The illumination device is provided with: a light source device that...

20060164602 - System and method for intelligent information handling system projector cool down: An information handling system projector cooling fan runs for a variably defined time after its lamp is turned off in order to adequately cool the projector without running the cooling fan for an excessive cool down period. In one embodiment, the cooling fan runs after lamp shut down until one...

20060164604 - Optical apparatus: A projection type display apparatus includes a housing having a first side having an air intake opening and a second side having an air exhaust opening, a light source for supplying light, and a light valve device which modulates the light output from the light source. A centrifugal fan is...

20060164603 - Projection-type display device: A projection-type display device is provided which has a housing with a hollow wall formed by extrusion, in which air that has cooled a projection lamp and is at a high temperature is cooled in the hollow wall before being discharged to outside of the device....

20060164605 - Oblique projection optical system: In an oblique projection optical system for performing enlargement projection from a primary image surface on the reduction side to a secondary image surface on the enlargement side, at least one reflective surface having an optical power is provided, and, assuming that of the aforementioned surfaces, the reflective surface located...

20060164606 - Color-split optical engine architecture for projection displays: A projection display may use a color wheel having radially displaced regions of different colors. As a result, at any instance of time on a spatial light modulator in a projection display, three vertically displaced segments may be utilized, each of which is exposed to a different color at any...

20060164607 - Light-emitting diode (led) illumination system for a digital micro-mirror device (dmd) and method of providing same: A light illumination system for projecting a color image to a digital micro-mirror display (DMD) panel includes a light-emitting diode (LED) illumination assembly (101, 102, 103), a dichroic combiner (107) for providing a single light source and a condenser lens system (FIGS. 20-23) for directing light from the single light...

20060164608 - Projection optical system: A projection optical system includes an illumination system, a first adjusting device for adjusting an aperture size of the illumination system, a projection lens, a second adjusting device for adjusting an aperture size of the projection lens, and a controller. According to a look-up table or a predetermined calculation equation,...

20060164609 - Projector having light-shielding module and image processing method thereof: A projector having a light-shielding module. The projector comprises a housing, a light engine, and a light-shielding module. The housing has a aperture. The light engine includes a projection lens. The projection lens is disposed in the housing, and relative to the aperture in order to project an image. The...

20060164610 - Lens drive and projector comprising lens drive: This lens drive is a lens drive for moving a lens arranged in a housing, and comprises a rotating knob located out of the optical axis of the lens with a rotation axis unparallel to the optical axis of the lens and arranged outside the housing, a knob-side cam pin...

20060164611 - Slide misload detection system and method: A system and method for determining whether one or more slides are loaded properly within a cassette. Each slide includes one or more transparent regions and one or more non-transparent regions. The slides are between a light source and a sensor. The light source generates light that is directed towards...

20060164612 - Electronic device having adjusting assembly: An electronic device including a housing, a first supporting member, a second supporting member and an adjusting assembly is provided. The first and the second supporting members are disposed beneath the housing for supporting the electronic device. The adjusting assembly is coupled to the first and the second supporting members...

20060158614 - Volumetric display: A three-dimensional volumetric display includes an image generator for generating a three-dimensional image of a first size, a projection lens, and a double fly's eye lense in which the lenslets of a rear sheet have a shorter focal length than the lenses of a front sheet, the front sheet being...

20060158615 - Catadioptric 1x projection system and method: A new and useful method and projection system for projecting an image from an object plane to an image plane is provided. The method and system is designed to operate at a 1× magnification, a relatively high NA, with a relatively large instantaneous scanning field, and to achieve sub-micron resolution...

20060158616 - Apparatus and method for interacting with a subject in an environment: Techniques are provided for interacting with a subject in an environment are provided. In one aspect, an inventive apparatus includes a display device configured to display images on a number of surfaces in the environment, at least one sensing device, and at least one display controller. The at least one...

20060158617 - Projector: An apparatus projects at least one color of light which is attenuated....

20060158618 - Pupil mismatch in a collimated display system: An image projection system has a first lens with a defined entrance pupil. An image source has an image field and a defined exit pupil. The exit pupil of the image source is configured such that the exit pupil of the image source underfills the entrance pupil of the lens...

20060158619 - Two-stage projector architecture: A light projection system projects an image comprising a matrix of light pixels having modulated luminance. The projection system includes a first imager configured to modulate a light band on a pixel-by-pixel basis proportional to gray scale values provided for each pixel of the image to provide a first output...

20060158620 - Optical assembly for a projection system: An optical assembly for a projection system includes an objective lens and a retro-focus lens. Then objective lens and retro-focus lens share one or more lens elements. A method of projecting an image comprises directing light from a light source to one or more modulators and projecting a modulated light...

20060158621 - Draw-trace-erase art training device: An art training device. A graphics scroll presents various images suitable for tracing or copying, or blank spaces for freehand drawing, as it is wound or unwound on spindles. A transparent drawing sheet is mounted lust above the scroll for the user to practice on....

20060158623 - Image processing system, projector, program, information storage medium, and image processing method: A projector including: an adjustment section which generates edit image information for projecting an edit image including a content image based on input image information and a position change detection image at least partially provided outside the content image; a sensing section which senses a screen onto which the edit...

20060158622 - Single walled carbon nanotube doped microdisplay for projection display systems: A liquid crystal-on-silicon imager for a rear or a front projector may be formed with liquid crystal material doped with single walled carbon nanotubes. As a result, the switching speed may be enhanced and the drive voltage may be lowered in some embodiments....

20060152679 - Projection-type 3-d image display device using single projector: A projection-type 3-D image display device includes a single display element, a polarization conversion switch, a first image shifter, a second image shifter, a projection lens unit, a mirrored light tunnel, and a screen unit. The screen unit includes an image separation unit. The single display element emits light polarized...

20060152680 - Method for creating brightness filter and virtual space creation system: A method for creating brightness filters. The brightness filters are used in a projection system in which divided images are projected on a curved screen from a plurality of projectors with adjacent divided images overlapped partially, in order to adjust brightness of the divided images beforehand so that brightness of...

20060152681 - Projector: Exemplary embodiments of the invention provide a projector that can readily correct for chromatic aberration caused by, for example, a projecting lens without having to give a cross dichroic prism, for example, a special preliminary process. Illumination-light components modulated by corresponding liquid-crystal light valves are synthesized in a cross dichroic...

20060152682 - Projection control system, projector and projection control method: A projector includes a projection angle deriving section which generates projection angle information indicating an angle formed by a projection target area and projection light projected onto the projection target area; a projection distance deriving section which generates projection distance information indicating a distance from an aim area in the...

20060152683 - Cooling fan with embedded light source: A cooling fan with embedded light source is disclosed, which has an impeller, a fan motor, a circuit board, multiple bond wires and light emitting devices enclosed within the frame body which is composed of an upper half and a lower half. The lower frame has multiple dividers arranged in...

20060152684 - Cooling device for light source of projector: An improved projector device and the cooling device therefor are provided. The provided projector device includes a light source including a lead wire, a first foil having a first front-end and a first rear-end, and a second foil having a second front-end and a second rear-end, and includes a first...

20060152685 - Optic projecting method and structure of rear projection tv for dual projecting system: The present invention concerns an optic projecting technique for a projecting system comprising a housing and a projector unit, the projecting system comprises a housing and a projector unit, wherein the housing is provided with a display screen and a plurality of optic elements in the housing; the system is...

20060152686 - Short arc lamp light engine for video projection: A video projection system can utilize an advanced xenon short arc lamp to obtain a bright, high-resolution color image using a sufficiently cost-effective, compact, and lightweight design. An unwanted radiation component of a white light beam produced by the xenon lamp, such as an infrared and/or ultraviolet component, can be...

20060152687 - Illumination attenuation system: Provided are several apparatus and methods to attenuate illumination light in a projector. Illumination light may be attenuated by directing polarized light toward a liquid crystal (LC) attenuation panel. The panel selectively modulates some, all, or none of the polarized light passing through. The light from the panel is then...

20060152688 - Illuminating device for projector: An illuminating device for a projector includes a reflector that is arcuate in shape for reflection and a light emitting diode (LED) light source. The LED light source includes a LED chip set and an encapsulation composed of a first dome and a second dome is applied to refract light...

20060152689 - Light tunnel of dlp projection system: In order to provide a light transmitting space to reinforce an intensity of a light tunnel in a DLP projection system, and increase an heat-resistance, provided is a light tunnel of a DLP projection system including a plurality of reflection panels provided in an anteroposterior direction; a holder where the...

20060152690 - Yokeless hidden hinge digital micromirror device: A micromirror array 110 fabricated on a semiconductor substrate 11. The array 110 is comprised of three operating layers 12, 13, 14. An addressing layer 12 is fabricated on the substrate. A hinge layer 13 is spaced above the addressing layer 12 by an air gap. A mirror layer 14...

20060152691 - Illumination apparatus and image projection apparatus: An illumination apparatus illuminating an objective illumination region comprises a plurality of illuminants having light-emitting surfaces radiating diffused light, an illuminant substrate in which the illuminants are disposed so as to be set in array on the circumference, at least one optical member configured to guide the diffused light to...

20060152692 - Modular keypad assembly: A modular keypad assembly for use with a projection device is provided. This modular keypad assembly may include a user input through which a user may operate the projection device. Such a modular keypad assembly may include a elastomer keypad, a keypad support plate; and a keypad circuit board....

20060146287 - Projection-type 3-d image display using single projector: A projection-type 3-D image display includes a light source, a single display element, an image shift member, a projection lens unit, and a screen unit. The display element produces an image using light emitted from the light source. The image shift member time-sequentially shifts the image. The projection lens unit...

20060146289 - Optical system for projection display apparatuses: An optical system utilizing a unique polarizer separating plate to replace conventional PBS prism is disclosed. The optical system of this invention, which may be applied to projection display apparatuses such as rear projection type televisions, includes an illumination system for generating a homogeneous light beam, a polarizer separating plate...

20060146288 - Polarization conversion system: A polarization conversion system suited for LCD or LCoS-based projection applications is disclosed. The present invention polarization conversion system encompasses a light pipe with a rectangular light tunnel therein defined by four side reflection mirrors. A front reflection with an aperture thereon is mounted on an entrance face of the...

20060146290 - Projection type display: A first light-source unit and a second light-source unit are disposed in such a manner that those respective optical axes intersect approximately perpendicularly to each other, a reflective polarizing plate is disposed in the intersecting position of both optical axes at an angle of approximately 45°, a reflecting mirror is...

20060146291 - Image-rendering device: An image-rendering device including a body, a connector configured to removably attach the body to a projection device, the connector movably coupled to the body such that the body is movable between at least a first position and a second position relative to the connector. The image-rendering device further includes...

20060146292 - Display projection apparatus: A projection display apparatus, including an illumination system, a light integrator, a first mirror module, a second mirror module, a beam condensing module, a total internal reflection (TIR) prism, a light modulator, and a set of projection lenses. The illumination system generates an optical beam propagating along a first beam...

20060146293 - Projection display device and cooling structure: A display device according to the invention has a passage between an image generation device (DMD) and a lamp, wherein the passage guides airflow to the vicinity of a reflector of the lamp, and, after the airflow cools the DMD, the airflow can further cool heat generated by a filter...

20060146294 - Device and method for arranging a display: A device and method for arranging a display allows for the easy installation of a display in a home entertainment system. The flexibility of modern home entertainment/theater systems that include a digital display device permits many different installation options. Thus, the invention facilitates the installation of such a display by...

20060146296 - Dual lamp illumination system: A dual lamp illumination system adapted for a projection display system. The dual lamp illumination system includes a first illumination module and a second illumination module, a beam deflecting unit, and a light homogenizer. The first and the second illumination modules each includes a light source, and an elliptically-shaped housing...

20060146295 - Method and device for combining images from at least two light projectors: Method and device for combining images from at least two light projectors, the images having a transition zone between them, wherein the dimensions of the transition zone is known, and the emitted light toward the transition zone from each projector is based on a predetermined transfer function from input signal...

20060146297 - Led package, display panel, illumination system and projection system employing the same: An LED package having improved light efficiency, and an illumination system and a projection system employing the LED package. An LED package to provide light to a display panel having a plurality of rotatable micromirrors to form images, the LED package includes a substrate and a plurality of LED chips....

20060146298 - Adjustable lens module and image projector applied with the same: An adjustable lens module applied to an image projector is provided. The lens is positioned in a lens barrel situated within a lens housing mounted on a frame. The adjustable lens module includes a base plate, and a first, a second and a third positioning means. The base plate connected...