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| Number | Title | Issue Date |
| 7429111 | Two-panel color management system The invention provides a two-panel color management system for projection display applications, wherein color sequencing is accomplished using achromatic beam switching and static color separation. In a preferred embodiment, a liquid-crystal polarization switch alte... | 09/30/2008 |
| 7391568 | Luminous intensity distribution control device and display having the same A liquid crystal display apparatus including: a liquid crystal display element having a liquid crystal layer; a backlight apparatus arranged at one side of the couple of substrates of the liquid crystal display element; a polarizer arranged between the liquid crysta... | 06/24/2008 |
| 7336289 | Projection type display apparatus A projection type display apparatus that projects video onto a screen includes a liquid crystal panel using polymer-dispersed liquid crystal that disperses light when a voltage is applied and that transmits light when a voltage is not applied, being attached to an a... | 02/26/2008 |
| 7327408 | Illuminator that generates linearly polarized light for microdisplay based light engine A hollow sphere with a scattering (e.g., white diffusive) interior surface directs light input from at least one input light source to an exit. In one embodiment, an internal hot mirror and phosphor are positioned to intercept the input light on which visible light ... | 02/05/2008 |
| 7205974 | Window brightness enhancement for lc display In a LCD monitor, a predetermined part (PA) of the displayed information is highlighted by causing the backlighting (BLU) to produce more light. The area outside the predetermined area (PA) is kept at a substantially constant brightness by adjusting the video data d... | 04/17/2007 |
| 7175287 | Wide angle projection lens A projection display device is provided. The projection display device may include an image generation device configured to generate an image and a wide angle lens system having an optical axis configured to receive the image and project the image along an optical p... | 02/13/2007 |
| 7173760 | Luminous intensity distribution control device and display having the same A liquid crystal display apparatus including: a liquid crystal display element having a liquid crystal layer between a couple of substrates; a backlight apparatus arranged at one side of the couple of substrates; a polarizer arranged between the liquid crystal displ... | 02/06/2007 |
| 7167297 | Micromirror array In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention, micromirrors are provided which are not rectangular. Also, in order to minimi... | 01/23/2007 |
| 7150537 | Projection television device and screen A front projection display device is provided including an image-generating source configured to generate an image, a wide angle lens system adapted to receive the image, and a screen. The wide angle lens system may be configured to increase distortion of the image ... | 12/19/2006 |
| 7121668 | Device and method for generating an image for projection In an image projection device, interferences between the light source and the light modulator leading to visible interferences in the projected image are suppressed by an interference cancellation circuit that pre-corrects the control signal that includes the image ... | 10/17/2006 |
| 7113211 | Video signal processing circuit, viewfinder apparatus, television camera, and image monitor apparatus A video signal processing circuit, which performs contour adjustment by means of digital signal processing, is applicable to a viewfinder apparatus for a television camera and an image monitor apparatus, which can be operated both in an NTSC/PAL system and an HDTV s... | 09/26/2006 |
| 7110020 | Film digitizer A method for producing electronic signals representative of images on a source film includes the following steps: illuminating the film with a light source to obtain an illuminated frame; providing an electronic image sensor; providing a lens array for projecting th... | 09/19/2006 |
| 7102820 | Flat valley fresnel lens for a display device A Fresnel lens for a display device is provided. The Fresnel lens includes a first sloped surface angled to receive input light, a second sloped surface facing the first sloped surface, and a valley floor linking the first sloped surface to the second sloped surface... | 09/05/2006 |
| 7102833 | Method and apparatus for mapping image shapes for a display device An apparatus for mapping image shapes for a display device includes: an illuminating light source such as an integrating rod; a mechanism for selecting an image aspect ratio or shape; and a mechanism for reshaping light exiting from the illuminating light source dep... | 09/05/2006 |
| 7088507 | Rear projection display The ultra-thin rear projection display device described herein includes a lens system and one or more planar mirrors that are parallel to a screen on which an image is to be displayed. The screen may be a Fresnel lens having a plurality of bumps on the output surfac... | 08/08/2006 |
| 7088509 | Laminate screen for display device A rear projection display device is provided. In an embodiment, the display device includes a laminate screen including a Fresnel lens lamina having a non-planar input surface, a substantially planar output surface and a first index of refraction. The laminate scree... | 08/08/2006 |
| 7080910 | Method and system for a thermal architecture and user adjustable keystone in a display device A method and system for a thermal architecture and user adjustable keystone in a display device is described. The system includes a screen, a lens to project images, and one or more mirrors to reflect the images projected by the lens to the screen. A mirror assembly... | 07/25/2006 |
| 7042637 | Image display This invention is an image display device for performing color display of an image using two spatial light modulators. The image display device has a first spatial light modulator (52) for modulating a first wavelength range component of illuminating light fr... | 05/09/2006 |
| 7023606 | Micromirror array for projection TV In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention, micromirrors are provided which are not rectangular. Also, in order to minimi... | 04/04/2006 |
| 7021765 | Illumination optical system and projection display optical system An illumination optical system is disclosed, which provides a luminous flux with a small incident angle on an illumination surface in one axis direction on a section of the luminous flux. The illumination optical system can suppress a reduction in light amount by a ... | 04/04/2006 |
| 7012755 | Use of a lens array to increase the contrast ratio produced by a LCoS microdisplay A lens array is placed over a cover glass of a pixel based LCoS display device. The lens array is situated so that an individual lens in the array corresponds to an individual pixel in the display device. Each lens collects light and/or reflections from a high contr... | 03/14/2006 |
| 7012731 | Packaged micromirror array for a projection display In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention, micromirrors are provided which are not rectangular. Also, in order to minimi... | 03/14/2006 |
| 7006275 | Packaged micromirror array for a projection display In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention, micromirrors are provided which are not rectangular. Also, in order to minimi... | 02/28/2006 |
| 6943756 | Device for enhancing contrast in liquid crystal display projection system A device for enhancing contrast for a liquid crystal display (LCD) projection system is provided. The contrast enhancing device includes an image driver supplying an image signal, a LCD panel for converting the input image signal into an optical image signal, and a ... | 09/13/2005 |
| 6942574 | Method and apparatus for providing entertainment content on a gaming machine A gaming machine with devices able to output entertainment content (e.g. movies, TV programming, audio programs and advertising) from entertainment content sources located within the gaming machine or outside of the gaming machine is described. A player utilizing th... | 09/13/2005 |
| 6933987 | Multi channel imaging engine apparatus A multi channel video engine (10) for accepting, dividing, modifying and recombining light to project an image. A housing (12) encloses an optical assembly (28) having a dichroic mirror assembly (58) and a color cube (60). A plural... | 08/23/2005 |
| 6923544 | Projector A projector is provided which can realize a bright projected image of high light utilization efficiency while combining a reflective-type liquid crystal device and an integrator optical system. The projector may include a light source lamp, a light beam dividing opt... | 08/02/2005 |
| 6922216 | Mechanical system for adjusting image centering and rotation in projection television apparatus First (3), second (5) and third (7) eccentric cams, positioned in substantially the same plane, mate with corresponding first (9), second (11) and third (13) slots in a bracket (1). Rotation of the first cam (3... | 07/26/2005 |
| 6710762 | Projection type display The present invention relates to a projection type projector using a liquid crystal light valve, and its object is to provide a projector type display improved in image quality, which a user side can easily maintain and analyze the causes at the time of trouble occu... | 03/23/2004 |
| 6690346 | Image display An image display capable of effectively preventing deterioration of the contrast and permitting sufficient resolution improvement to be obtained by wobbling is disclosed. A display element 1 has a display surface with a regular array of a plurality of pix... | 02/10/2004 |
| 6683658 | Scanner phase control for a scrolling color projector A scanner phase control for a scrolling color projector utilizes the back-EMF value of a motor which rotates a prism of the scanner to set a reference point for the prism. A reference phase signal is provided which corresponds to timing information of the... | 01/27/2004 |
| 6642970 | Single panel color projector The projector comprises a light source that emits illuminating light, a single modulation panel, a projection optical system, a color filter mechanism, a converging optical system that converges the illuminating light on a filter surface of the color filt... | 11/04/2003 |
| 6609797 | Projector with adjustably positioned image plate A projector is often positioned so that its optical axis is at an imperfect orthogonal angle with respect to a projection screen. This position causes a keystone distortion as well as imperfect focus in the projected image. To correct these undesirable pr... | 08/26/2003 |
| 6542308 | Projection display apparatus and projection lens device for use therein A projection display apparatus having a light source for generating a white light, a liquid crystal panel for modulating an incident light from the light source, a polarizing plate which is located at a light exiting side of the liquid crystal panel for p... | 04/01/2003 |
| 6518940 | Image display apparatus An image display apparatus includes a storage display element which stores an image by receiving image light from a film frame and displays the stored image, a display device capable of selectively displaying one of a film frame number and information oth... | 02/11/2003 |
| 6411270 | Display apparatus capable of selecting display picture or screen sizes for displaying static picture of images written in a spatial light modulator A spatial light modulator includes a pair of transparent substrates disposed with a prescribed gap therebetween and each having thereon a transparent electrode, and a liquid crystal layer and a photoconductor layer disposed between the substrates, with th... | 06/25/2002 |
| 6361171 | Projector with adjustably positioned image plate A projector is often positioned so that its optical axis is at an imperfect orthogonal angle with respect to a projection screen. This position causes a keystone distortion as well as imperfect focus in the projected image. To correct these undesirable pr... | 03/26/2002 |
| 6299313 | Projection display apparatus and projection lens device for use therein A projection display apparatus including an optical modulator for modulating an incident light from a light source, and a projection lens device for projecting the light modulated by the optical modulator. The optical modulator includes a liquid crystal p... | 10/09/2001 |
| 6292234 | Projection type color liquid crystal display device A projection type color liquid crystal display apparatus includes: light collimation means for producing collimated light; main-wavelength band separation means for receiving the collimated light from the light collimation means and producing a plurality ... | 09/18/2001 |
| 6283597 | Method and facility for light-beam projection of images on a screen In a process for the projection of images on a screen (20) by means of a light bundle, an individual projector (40) is provided for projecting the images, wherein the light bundle used for projection is emitted from a light source (12, 12') in the project... | 09/04/2001 |
