Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8169699 | Polarization preserving projection screen with engineered pigment and method for making same Polarization preserving projection screens provide optimum polarization preservation for 3D viewing. The projection screens additionally provide improved light control for enhanced brightness, uniformity, and contrast for both 2D and 3D systems. Generally, the discl... | 05/01/2012 |
| 8068277 | Reflective type screen using a spacer layer A reflective type screen using a spacer layer and that includes a light blocking layer blocking an incident light, a reflective layer formed on the light blocking layer to reflect the incident light, a diffusion layer formed on the reflective layer to diffuse the in... | 11/29/2011 |
| 7656580 | Light diffusing sheet with two kinds of light diffusion particles A light diffusing sheet (21) including a main body. The main body is made of a transparent resin matrix material (211), and a plurality of first light diffusion particles (212) and a plurality of second light diffusion particles (213) dis... | 02/02/2010 |
| 7609443 | Projection and/or rear projection screen The backprojection and/or projection screen comprises at least a first substrate joined to a scattering layer producing a subsurface effect, which offers a resolution of at least 5×103 dpi, the image being able to be displayed without blurring at a viewi... | 10/27/2009 |
| 7567381 | Plastic sheet A highly diffusing plastic sheet having a thickness of from 1 to 5 mm, a haze of 80% or more and a total light transmittance of 80% or more, which includes at least one diffuser layer A, two or more diffuser layers B, and optionally a diffusing agent-free layer C. T... | 07/28/2009 |
| 7542205 | Multi-object controlled-depth matrix layer structure and manufacturing process A controlled-depth matrix layer structure is formed by floating a plurality of geometric shapes in a solidifiable liquid, then solidifying the liquid to entrap the plurality of geometric shapes in a layer. Multiple layers of liquid may be used, one or more of which ... | 06/02/2009 |
| 7419267 | HDR displays with overlapping dual modulation A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. Elements of the light modulator may be controlled to adjust the intensity of light emanating from corresponding areas on the screen.... | 09/02/2008 |
| 7417795 | Projector screen for image projection The invention relates to a projector screen for image projection, comprising a transparent support (16) which fixes the screen shape and a light-scattering layer, which covers at least one defined projection surface within the screen shape, whereby, in order ... | 08/26/2008 |
| 7417794 | Polymer sheet for projection screen A polymer sheet for use in a projection screen comprises polyorgano silsesquioxane microspheres that enhance light diffusing characteristics. Also disclosed is a projection screen comprising at least two glass plates and the polymer sheet disposed therebetween. Also... | 08/26/2008 |
| 7413309 | High dynamic range display devices A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. Elements of the light modulator may be controlled to adjust the intensity of light emanating from corresponding areas on the screen.... | 08/19/2008 |
| 7413307 | High dynamic range display devices A display has a first array of pixels connected to emit individually-controlled amounts of light onto a second array of pixels. The second array of pixels is connected to pass individually-controllable portions of the light. The display has a controller connected to... | 08/19/2008 |
| 7408707 | Multi-region light scattering element A multi-region light scattering element with the optical characteristics of low speckle, high resolution high contrast, and high gain when used as an imaging element without any resulting loss of transmission or brightness with viewing angle. The multi-region light ... | 08/05/2008 |
| 7377652 | HDR displays having location specific modulation A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. Elements of the light modulator may be controlled to adjust the intensity of light emanating from corresponding areas on the screen.... | 05/27/2008 |
| 7369311 | Lens sheets for rear projection screens A lens sheet for use as a Fresnel lens sheet or a lenticular lens sheet of rear projection screens, which includes a plastic substrate and a lens element disposed on the plastic substrate. The plastic substrate includes at least a first surface layer, an intermediat... | 05/06/2008 |
| 7365906 | Projection screen and projection system containing same A projection screen capable of sharply displaying an image even under bright environmental light with high image visibility. A projection screen has a polarized-light selective reflection layer with a cholesteric liquid crystalline structure, capable of selectively ... | 04/29/2008 |
| 7359118 | Method for producing mold for use in duplicating light diffusion sheet, light diffusion sheet and method for producing the same, and screen A method of producing a mold for use in duplicating a light diffusion sheet is provided. The method includes a step of conducting sandblasting for blasting abrasive material from a blast gun to a surface of a mold base material to form unevenness in the surface of t... | 04/15/2008 |
| 7354158 | Transmission-type screen and projection-type display device Exemplary embodiments provide a transmission-type screen and a projection-type display device, which are superior in contrast. Exemplary embodiments provide a transmission-type screen characterized by including a display plane; a front side layer; and a backside lay... | 04/08/2008 |
| 7352502 | Electrophoretic particle, process for its production, and its use An electrophoretic particle including: a pigment particle having an average particle diameter of 1 μm or smaller; and a polymer layer having an average thickness of 1 to 500 nm formed on a surface of the pigment particle, wherein 50% or higher of an entire surface ... | 04/01/2008 |
| 7349154 | Reflection type screen The reflection type screen comprises a reflection layer which is disposed on the opposite side to the projected light incident side of the screen, a horizontal view angle increasing layer which is disposed on the light incident side of the reflection layer, and a di... | 03/25/2008 |
| 7345818 | Screen, its manufacturing method and image display system A projection screen comprises a red-reflecting particle layer, green-reflecting particle layer and blue-reflecting particle layer sequentially stacked on a substrate. In each particle layer, particles are accumulated by eleven cycles in a regularly alignment such as... | 03/18/2008 |
| 7342719 | Projection screen with reduced speckle The projection screen assembly minimizes speckle while preserving high ambient viewability. The screen assembly, having a light-source side and a viewing side, includes a screen layer, a polarizing contrast filter, and a speckle contrast reducing layer. The screen l... | 03/11/2008 |
| 7339716 | Transflective electrophoretic display device A transflective electrophoretic display device is disclosed. The device is comprised of a transparent top substrate and both top and bottom substrates have an electrode structure. A plurality of separated walls and an electrophoretic display solution including a plu... | 03/04/2008 |
| 7339732 | Scratch-resistant rear projection screen and method for producing the same The present invention relates to a rear-projection screen encompassing at least one light-scattering polymethyl methacrylate layer, which comprises a polymethyl methacrylate matrix and spherical scattering particles (A) and spherical particles (B) with a different m... | 03/04/2008 |
| 7324277 | Both-side image film screen Disclosed is a double-sided image film screen including a plastic material having a high optical transmission property and a light-refracting material, made of silica, having an optical transmission property and a refractivity of 1.4˜2.5, wherein a content and a pa... | 01/29/2008 |
| 7320823 | Light diffusing body and a transmission type screen A light diffusing body and transmission type screen, which can reduce the shift of the color tone of the light source light seen through the light diffusing body and prevent the phenomenon that the white light source seen through the light diffusing body looks color... | 01/22/2008 |
| 7313305 | Display An image display comprises an image display device for generating a viewable image; and an optical angular selector (290) for selecting an angular range of light to form the viewable image, the optical angular selector having an array of substantially parallel light... | 12/25/2007 |
| 7304795 | Image projection with reduced speckle noise An image projection module within a housing is operative for causing selected pixels in a raster pattern to be illuminated to produce an image on a display screen of VGA quality. The screen is modified and/or the bandwidth of a laser is increased, to reduce speckle ... | 12/04/2007 |
| 7297380 | Light-diffusing films, backlight display devices comprising the light-diffusing films, and methods of making the same A light-diffusing film comprises about 90 wt. % to about 99.999 wt. % polycarbonate, wherein the polycarbonate comprises a yellowness index of about 0.8 to about 1.5 as measured in accordance with ASTM E313-73 (D1925); about 0.001 wt. % to about 3 wt. % light-diffus... | 11/20/2007 |
| 7297381 | Light diffusing films, methods of making the same, and articles using the same Disclosed herein are light diffusing films, methods of making the same and articles using the same. In one embodiment, a light diffusing film is formed from a composition comprising: a polycarbonate, phosphite stabilizer, epoxy stabilizer, hindered phenol stabilizer... | 11/20/2007 |
| 7293879 | Projection screen A projection screen for use in a projection system is described. In an embodiment of the present invention, a projection system includes a projector and a projection screen. The projector is configured to project an image composed of visible light in one or more ran... | 11/13/2007 |
| 7292391 | Method of manufacturing a lens substrate with straight light control portions, a lens substrate with straight light control portions, a transmission screen and a rear projection A method of manufacturing the lens substrate with straight light control portions 1A that is provided with a plurality of convex lenses (microlenses) 32 on a surface thereof and is used so that light enters the lens substrate from the side of the surfa... | 11/06/2007 |
| 7286101 | Image display method and image display system Images are displayed on an image display screen by projection light for displaying images onto the image display screen. The image display screen is integrally formed with diffusion/reflective parts, which reflect the projection light on a side of the image display ... | 10/23/2007 |
| 7282272 | Polymerizable compositions comprising nanoparticles Polymerizable compositions comprising nanopartilces particularly useful for brightness enhancing films. ... | 10/16/2007 |
| 7262912 | Front-projection screens including reflecting layers and optically absorbing layers having apertures therein, and methods of fabricating the same A front-projection screen can include a substrate having first and second opposing sides with an array of optical microstructures on the first side of the substrate and an image reflecting layer on the second side of the substrate opposite the array of optical micro... | 08/28/2007 |
| 7256935 | Light transmission sheet, rear projection type projector, light transmission sheet manufacturing device, program, and computer-readable medium To eliminate ghosts caused by retroreflection of projected light and obtain high resolution images. Fine irregularities 5 are randomly formed on the plane of incidence 2a of a Fresnel lens sheet 2 with little space between them. Th... | 08/14/2007 |
| 7253953 | Polymer sheet for projection screen A polymer sheet for use in a projection screen comprises polyorgano silsesquioxane microspheres that enhance light diffusing characteristics. Also disclosed is a projection screen comprising at least two glass plates and the polymer sheet disposed therebetween. Also... | 08/07/2007 |
| 7250454 | Conductive nanocomposite films Methods for preparing low resistivity nanocomposite layers that simultaneously offer optical clarity, wear resistance and superior functional performance. Nanofillers and a substance having a polymer are mixed. Both low-loaded and highly-loaded nanocomposites are in... | 07/31/2007 |
| 7248406 | Projection screen A projection screen has first transparent particles tinted a first color and second transparent particles tinted a second color. ... | 07/24/2007 |
| 7238734 | Optical filters from nanocomposites Methods for preparing optical filter nanocomposites from nanopowders. Both low-loaded and highly-loaded nanocomposites are included. Nanoscale coated and un-coated fillers may be used. Nanocomposite filter layers may be prepared on substrates. Gradient nanocomposite... | 07/03/2007 |
| 7236290 | Electrophoretic medium with improved stability An electrophoretic medium comprises a liquid and at least one particle disposed within the liquid and capable of moving therethrough on application of an electric field to the medium. The medium further comprises a free radical scavenger selected from the group cons... | 06/26/2007 |
