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| Number | Title | Issue Date |
| 7434946 | Illumination system with integrated heat dissipation device for use in display systems employing spatial light modulators Disclosed herein is an illumination system for use in display systems employing spatial light modulators. The illumination system comprises a fastening mechanism for securing the bonding of the walls of the light integrator of the illumination system. A heat dissipa... | 10/14/2008 |
| 7401927 | Method of illumination and display apparatus A display apparatus displaying an image includes a light source, a light valve, a light cross-section converter and a light scanning mechanism. The light valve has a screen formed of a plurality of pixels. The light cross-section converter converts light emitted fro... | 07/22/2008 |
| 7399088 | 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... | 07/15/2008 |
| 7396130 | Optical system, image projection apparatus and method thereof An image projection apparatus. The image projection apparatus comprises a light source and LCD panel. The LCD panel comprises a plurality of pixels and color filters thereon. Light from the light source is projected to the pixels along an irradiative path and the LC... | 07/08/2008 |
| 7387389 | Image display system and method An image display device includes an image processing unit, a light source assembly, an optical modulator assembly, and a projection lens assembly. The image processing unit is configured to receive a video signal and generate image data and control signals. The ligh... | 06/17/2008 |
| 7360899 | Beamsplitting structures and methods in optical systems Various embodiments involving structures and methods for illumination can be employed, for example, in projectors, head-mounted displays, helmet-mounted displays, back projection TVs, flat panel displays as well as other optical systems. Certain embodiments may incl... | 04/22/2008 |
| 7357519 | Optical projection device An optical projection device including a light source, a housing, an imaging unit, a projection lens and a dust protection device is provided. The light source is adopted for providing a light beam. The housing has a projection-lens-assembling opening. The imaging u... | 04/15/2008 |
| 7350928 | Projection display system A projection display system comprises an illumination device, a prism assembly, a projection lens and a reflective light valve. The prism assembly has a first light incident surface, a first light emitting surface and a second light emitting surface. The first light... | 04/01/2008 |
| 7322703 | Light emitting apparatus and projector An light emitting apparatus which illuminates an illumination area has a first light source which emits a first light, a second light source which emits a second light, a wheel which is provided with a transmission filter area which transmits the first light, and a ... | 01/29/2008 |
| 7303284 | Image projecting apparatus An image projecting apparatus projects an image formed on a display device in accordance with input image data, onto a projection surface with illumination light emitted from a light source, to enable an observer to observe the image. The image projecting apparatus ... | 12/04/2007 |
| 7302174 | Method and apparatus for capturing images using a color laser projection display A method and apparatus are provided to capture images using a laser projection display (LPD). In a full color LPD camera, three lasers (red, blue, and green) are deployed to scan an image and receive reflected laser light therefrom. The reflected laser light may be ... | 11/27/2007 |
| 7300159 | Scrolling color projection system with lamp synchronization A scrolling color projection system, comprising a pulsed lamp (4) and a color scanner (6, 8a, 8b, 8c, 9) for generating a light beam (5b) with a plurality of scrolling color fields, arranged to il... | 11/27/2007 |
| 7283181 | Selectable color adjustment for image display A display system is configured to produce a color image formed of a plurality of differently colored images and may include at least one light source that directs light along an optical path, and at least one filter having a given optical filter characteristic. The ... | 10/16/2007 |
| 7278743 | Single panel illumination system and projection display apparatus using the same The present invention provides an illumination system and projection system using the same. The present invention can eliminate the reflective light on the internal optical surface of the optical system, using the phase plate and linear polarizer, in the color seque... | 10/09/2007 |
| 7275835 | Projector for changing driving frequency for driving light source lamp within allowable frequency range A projector according to the present invention comprises a lamp driving control circuit for driving an ultra-high pressure mercury lamp at a driving frequency which is changed within an allowable frequency range. For example, the lamp driving control circuit may ran... | 10/02/2007 |
| 7258451 | Optical projection device and adjusting method thereof An optical projection device including an illumination system, a reflective light valve and a projection lens is provided. The adjustable reflection sheet is disposed behind the adjustable rod integrator along the light transmission path of the light beam. In additi... | 08/21/2007 |
| 7255448 | Pixelated color management display A display system includes a light source, a spatial light homogenizer, and imaging optics. The spatial light modulator has a plurality of modulator pixels. The display system also includes a pixelated plate illuminated by the light source. The pixelated plate has a ... | 08/14/2007 |
| 7232227 | Image display device The image display device is configured to include the light source including a plurality of semiconductor light-emitting elements, a parallelizing unit including a plurality of cell lenses arranged in a one-to-one correspondence with each of the plurality of semicon... | 06/19/2007 |
| 7232223 | 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 ... | 06/19/2007 |
| 7224107 | Illumination unit An illumination unit has a light source, in particular a high-intensity discharge lamp or an ultra high performance lamp, a main reflector and a back reflector with an aperture opposite the main reflector. Light is reflected from the light source through the apertur... | 05/29/2007 |
| 7220005 | Projection type video display apparatus An object of the invention is to achieve a high intensity, a compact structure, a cost reduction and a heat radiation of a liquid crystal panel, in a projection type video display apparatus employing a combination of LED light sources and a light pipe. The light pip... | 05/22/2007 |
| 7213920 | Image display apparatus According to the present invention, there is provided an image display device including a non-luminous reflection type spatial light modulating element, illuminating system to illuminate the reflection type spatial light modulating element and a projection lens and ... | 05/08/2007 |
| 7193729 | Instrument cluster with laser beam illumination An automotive instrument cluster containing a grouping of display fields representing measured automotive operating quantities such as speed, temperature and pressure. Illumination markers which are analogs of pointers are created within the display fields from a si... | 03/20/2007 |
| 7173639 | Spatial light modulator data refresh without tearing artifacts A pulse width modulation driven display such as a spatial light modulator, which updates pixel data between PWM periods of consecutive frames, to avoid tearing artifacts in the perceived display image. ... | 02/06/2007 |
| 7163293 | Projection system and method A projection system including light emitting units, a scrolling unit, and a light valve. The light emitting units emitting light beams of different wavelengths. The scrolling unit has spirally arranged cylinder lens cells which separate the light beams into color be... | 01/16/2007 |
| 7163299 | Illumination unit and projection image display having the same An illumination unit for a projection image display. The illumination unit includes a light source, an integrator which converts light emitted from the light source to have uniform optical intensity, and an aspect ratio conversion unit which transmits light emitted ... | 01/16/2007 |
| 7163294 | Method and apparatus for providing an interface between a liquid crystal display controller and a laser projection display An apparatus is provided for controlling a laser projection device (LPD). The apparatus is comprised of a liquid crystal display controller, a laser projection display controller, and a laser projection display engine. The liquid crystal display controller is adapte... | 01/16/2007 |
| 7145728 | Projection apparatus A projection apparatus including a light source which generates light beams, an optical projection system which projects the light beams generated by the light source onto a screen, and a reflection device which is positioned between the light source and the optical... | 12/05/2006 |
| 7142568 | High-power blue and green light laser generation from high-powered diode lasers A device for generating blue or green laser light, comprising an infrared high power semiconductor laser or an infrared high power semiconductor laser bar or array, a diffractive optical device, and an optical device utilizing a non-linear crystal to generate the bl... | 11/28/2006 |
| 7131749 | Heat distributing hybrid reflector lamp or illumination system A reflector lamp or illumination system comprising a concave reflector having a parabolic or ellipsoidal front section and a spherical rear section with it's focal point just ahead of the focal point of the front section, and a finite light source located at the foc... | 11/07/2006 |
| 7130120 | Prism, projection and optical component An apparatus for transmitting or reflecting incident light. The apparatus includes a pair of diffraction grid substrates; a substantially grid-shaped diffraction grid formed of metal, wherein the diffraction grid is disposed between the substrates; and a pair of adh... | 10/31/2006 |
| 7118230 | Holder frame, optical device and projector The invention provides a holder frame, optical device and projector which can prevent the substrate from deviating in position, the substrate from being compressed at the outer periphery and color unevenness from occurring. More particularly, in the four sides of a ... | 10/10/2006 |
| 7118226 | Sequential color recapture for image display systems A method for transmitting light in an image display system includes generating a beam of light from a light source. The beam of light is directed at a first segment of an electronically-switchable filter. A first portion of the beam of light is accepted by the first... | 10/10/2006 |
| 7118229 | Illumination optical system and projector using the same The present invention provides a technique for readily changing the design of a projector. A projector comprises: an illumination optical system; a light modulation device; a projection optical system; and a base frame for mounting a plurality of optical components ... | 10/10/2006 |
| 7114816 | Fixing plate, optical device and projector The invention provides a fixing plate, optical device and projector capable of preventing against color unevenness occurrence and pixel deviation. Specifically, in each of the four sides of a luminous-flux exit surface of a plate part of a fixing plate, there can al... | 10/03/2006 |
| 7116301 | Driving device for electro-optic device, display device using the driving device, driving method thereof, and weight determination method thereof When time division gradation display is carried out by setting a display state of an electro-optic element capable of R-gradation display A times in one frame period, the present invention determines the weights of the bit data to be such as 20:21 | 10/03/2006 |
| 7104652 | Image display device and projector To provide an image display device and a projector having a brightness or an excellent utilization efficiency of the light by improving the display performance of a moving picture. A projector includes a light source for emitting illumination light, a liquid crystal... | 09/12/2006 |
| 7104651 | Color scrollable projection system A color scrolling projection system is provided, including a light source, a color separator, a color scanner, a light valve, and a control circuit. The light source generates and emits light. The color separator separates incident light according to color. The colo... | 09/12/2006 |
| 7080909 | Illumination apparatus and projector display apparatus An illumination apparatus which directs light from a light source to an illuminated area. The illumination apparatus comprises a plurality of light emitters as the light source, a lighting unit configured to cause the light emitters to emit light so that the intensi... | 07/25/2006 |
| 7081928 | Optical system for full color, video projector using single light valve with plural sub-pixel reflectors A full color video projector system using a light source and a single light valve. The output of the light source passes through a condenser lens. The lens is directed toward a splayed array of red, green, and blue dichroic reflector color filters. The reflected thr... | 07/25/2006 |
