Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8169554 | Projection display apparatus and display method using the same A projection display apparatus has a beam controller provided on the optical axis of an optically-modulated linearly-polarized beam, to allow the beam to travel therethrough to reach a screen or cut off the beam, under control by a control signal. The controller, ha... | 05/01/2012 |
| 8159624 | Projector A projector capable of increasing in the contrast by reducing the amount of leakage of light due to reflection of light on the surface of a retarder is to be provided. A retarder is placed and tilted in a direction so that the following conditional expression is sat... | 04/17/2012 |
| 8063999 | Glass polarizer and manufacturing method thereof A glass polarizer having an excellent transmittance and extinction ratio with respect to light in the visible light range including blue using silver halide containing glass as a starting material is provided. A manufacturing method according to the present i... | 11/22/2011 |
| 8026986 | Projection type display device A projection type display device is provided to display high quality images. In the device, a WB-PBSW 2 is inclined to liquid crystal display devices 1r, 1b, 1g and has wire grids 2a parallel with a firs... | 09/27/2011 |
| 8004619 | Optical element, imaging apparatus having such optical element, and optical apparatus having two such optical elements An optical element is disclosed. The optical element may include a container having a holding chamber; a polarized or conductive and transparent first liquid filled in the holding chamber; a liquid crystal filled in the holding chamber and not mutually mixing with t... | 08/23/2011 |
| 7969516 | Projector A projector includes: a lighting device which emits illumination light; a liquid crystal panel which modulates the illumination light emitted from the lighting device according to image information; a projection system which projects light modulated by the liquid cr... | 06/28/2011 |
| 7956938 | Retardation compensation plate, retardation compensator, liquid crystal display device, and projection-type image display device A retardation compensation plate having a birefringent property for compensating residual retardation of a liquid crystal panel includes: a combined unit formed of an optical multi-layered film composed of a plurality of layers having different refractive indices st... | 06/07/2011 |
| 7847868 | Subpixels of a light valve pixel having characteristics adapted to complement light within a range of wavelengths An apparatus, system, and method for subpixels of a light valve pixel having characteristics adapted to complement light within certain wavelength ranges are disclosed herein. ... | 12/07/2010 |
| 7834941 | Image display device At least one exemplary embodiment is directed to an image display device which includes a first TN liquid crystal modulator for modulating the polarization state of first colored light; a second TN liquid crystal modulator for modulating the polarization state of se... | 11/16/2010 |
| 7714945 | Optimally clocked trim retarders A trim retarder for a liquid crystal display based projection system including a light source, a polarizer/analyzer, a liquid crystal display panel, and a projection lens, is clocked to an optimal azimuthal angle that provides a system contrast level substantially u... | 05/11/2010 |
| 7633563 | Optical element, optical apparatus and imaging apparatus having particular light control structure An optical element is disclosed. The optical element may include a container having a holding chamber; a polarized or conductive and transparent first liquid filled in the holding chamber; a liquid crystal filled in the holding chamber and not mutually mixing with t... | 12/15/2009 |
| 7623188 | Directional display device A directional display device that separates and displays images on an image display surface of a display panel in different viewing directions. The directional display device includes a polarization control unit which is arranged in front of the display panel. A liq... | 11/24/2009 |
| 7616266 | Liquid crystal projection system A liquid crystal projection system has a dichroic mirror, a reflecting prism, a first and a second polarizing component, a dichroic component, a modulating device, and a projection lens. The dichroic mirror splits a polarized light source into dual primary color lig... | 11/10/2009 |
| 7502078 | Projection type display apparatus with means for supplying an air cooling stream to a gap between a light receiving surface of a prism and a third surface of a closed triangular prismatic housing A projection type display apparatus includes: a reflective polarizing plate for each color light which transmits each of R light, G light and B light having a P polarized component subjected to color separation by a color separation optical system therethrough, allo... | 03/10/2009 |
| 7443565 | Image display apparatus, projector, and polarization compensation system Aspects of the invention can provide an image display apparatus for displaying an image by modulating light from a light source based on display image data. The apparatus can include a first light modulator device can modulate light from the light source, a second l... | 10/28/2008 |
| 7438421 | Two-panel type projection system and projection method thereof A two-panel type projection system includes a polarization light source to irradiate a polarized white light, a color selector to sequentially transmit two light components every predetermined time among a plurality of light components having different wavelengths o... | 10/21/2008 |
| 7416306 | Laser projector A reflection-type laser projector (100) projects modulated laser beams outputted from a laser projection unit (40), on a screen, wherein a reflector (112) as a constituent of the screen (110) has reflection characteristics of reflecting, ... | 08/26/2008 |
| 7411636 | Stereoscopic liquid crystal display (LCD) with polarization method A display system for stereoscopic displaying of images includes a pair of wide viewing angle displays arranged at an angle to each other, each display providing respective images formed by plane polarized light. A beam combiner is located between the displays such t... | 08/12/2008 |
| 7408527 | Light emitting device driving method and projection apparatus so equipped A projection system is provided with a controller equipped to drive light emitting devices of a light source of the projection system in a manner that enhances the operational life of the light emitting devices, the ability to provide peak white, and/or finer gray s... | 08/05/2008 |
| RE40450 | Liquid crystal projector A liquid crystal projector has three liquid crystal panels for modulating first color light, second color light, and third color light respectively. A light synthetic device synthesizes each color light modulated by the liquid crystal panels. A projection lens proje... | 08/05/2008 |
| 7404644 | Time-sequential colour projection A time-sequential colour projector comprises a pixellated light valve (2), such as a liquid crystal device, and a plurality of light sources (30, 31, 32). The light sources (30, 31, 32) direct light on different sets of pixels of the light valve... | 07/29/2008 |
| 7401925 | Image projection system An image projector system includes an LED controller and first and second LEDs, a dichroic mirror. The LED controller controls the first and the second LED to emit first and second color lights, respectively. The second color light is of high luminance and is decomp... | 07/22/2008 |
| 7396131 | Projection assembly Projection assemblies are provided herein for use in a display system. According to one exemplary embodiment, the projection assembly includes an illumination source and a plurality of co-planar modulator panels. A method of modulating light is also provided herein ... | 07/08/2008 |
| 7369318 | Color display device having single illuminating system A display device is disclosed herein. The display device includes a condenser unit, an illumination lens system, an optical modulation system, a filter system and a projection system. The condenser unit converges polarized light output from a plurality of light sour... | 05/06/2008 |
| 7362506 | Ultra-bright light engine for projection displays A projector incorporating a prism and a plurality of light valves for modulating light that passes though the prism, wherein the color splitting-converging prism includes a dichroic coating having multiple layers of high and low index of refraction and ΒΌ wavelength... | 04/22/2008 |
| 7360901 | Cross dichroic mirror, illuminating device, and projection type video display A projection type video display is provided with three LED light sources. A first LED light source emits a light in red, a second LED light source emits a light in green, and a third LED light source emits a light in blue. Lights in respective colors emitted from ea... | 04/22/2008 |
| 7360900 | Illuminating apparatus, image display apparatus, and projector An illuminating apparatus includes at least two solid light-emitting elements including a first solid light-emitting element and a second solid light-emitting element; a polarized-light combining unit that combines a first polarized light of a first oscillation dire... | 04/22/2008 |
| 7359008 | Dynamic range and contrast enhancement for microdisplay The invention relates to a light valve system that enhances the contrast ratio for light and dark video images and reduces contouring artifacts. The light valve system comprises a color selection device configured to temporally attenuate component color bands of lig... | 04/15/2008 |
| 7357516 | Lighting optical system Disclosed is a lighting optical system, including: a ighting optical system, comprising, a light separating means for separating incident light into three colored lights according to wavelength bands, and progressing the three separate colored lights for the same am... | 04/15/2008 |
| 7347561 | Image display device A color management system for use with projection displays includes, for example, two or more analyzers positioned to receive light beams as they are emitted from the panels of a color management system. The analyzers are positioned to receive the light beams direct... | 03/25/2008 |
| 7334897 | Display apparatus using LCD Panel A projection apparatus (10) has an illumination section with a light source (20) providing a substantially unpolarized illumination beam of multiple wavelengths. A multiple wavelength polarizer polarizes the substantially unpolarized illumination beam ... | 02/26/2008 |
| 7336325 | Liquid crystal display and method and apparatus for driving the same comprising of color filters and colored backlights A method and apparatus for driving a liquid crystal display (LCD) panel having pixels arranged in a matrix pattern, wherein each pixel includes two sub-pixels capable of transmitting complementary colors, includes a light source array having first to third light sou... | 02/26/2008 |
| 7333267 | Micro-lenses for CMOS imagers A micro-lens and a method for forming the micro-lens is provided. A micro-lens includes a substrate an lens material located within the substrate, the substrate having a recessed area serving as a mold for the lens material. The recessed can be shaped such that the ... | 02/19/2008 |
| 7311403 | Optical member, illuminating device, and projection type video display A projection type video display is provided with three LED light sources. Lights emitted from each LED light source are guided into a light incidence surface of a rod integrator by a cross dichroic mirror. In a first light incidence area (an area opposite to a LED l... | 12/25/2007 |
| 7304703 | Vertically-aligned (VA) liquid crystal display device A vertically alignment mode liquid crystal display device having an improved viewing angle characteristic is disclosed. The disclosed liquid crystal display device uses a liquid crystal having a negative anisotropic dielectric constant, and orientations of the liqui... | 12/04/2007 |
| 7304629 | Video information display system and display apparatus applicable to the same A display apparatus includes a plurality of display systems each having a light source, a reflection type liquid crystal panel and an optical system, a screen displaying superimposingly the images obtained from the plurality of display systems, and a selector for se... | 12/04/2007 |
| 7300157 | Pixel-shifting projection lens assembly to provide optical interlacing for increased addressability A projection display system includes a projection lens assembly that has multiple projection lens elements that are configured to receive light imparted with display information by a pixelated display device. The projection lens elements project the light toward a d... | 11/27/2007 |
| 7301595 | Vertically aligned liquid crystal display A vertically aligned type liquid crystal display includes a liquid crystal layer disposed between pixel electrodes and a common electrode and containing vertically aligned liquid crystal molecules, the orientation of the liquid crystal molecules being controlled by ... | 11/27/2007 |
| 7293877 | Projecting apparatus and projecting and displaying apparatus The present invention includes a light source which emits a plurality of lights having different wavelength areas, a plurality of image forming devices which are arranged on respective optical paths for the lights emitted by the light source and which are irradiated... | 11/13/2007 |
| 7293880 | Light source including multiple light emitting devices driven by a control device, and projector Aspects of the invention can provide a light source that can reduce the optical system in size while enlarging a color reproducible range and achieving higher luminance. The system can include a cross dichroic prism to combine an R light, a G1 light, a G | 11/13/2007 |
