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| Number | Title | Issue Date |
| 7407686 | Optical film, polarizing plate and display device utilising the film, and production method of optical film An optical film is disclosed having minimal curl, minimal coating unevenness and no cracks. The optical film is obtained by casting a dope comprising a cellulose ester and a non-chlorinated solvent on a metal support, the cellulose ester having a total acyl substitu... | 08/05/2008 |
| 7355161 | Systems and methods for controlling windows with variable light transmission Systems and methods for controlling windows with variable light transmission are disclosed. In one embodiment, a system includes a sensor adapted to receive a light intensity, a user input device adapted to receive a user input value, a window having a variable tran... | 04/08/2008 |
| 7334910 | Decorative optical display A lighted display having a constantly changing image comprises a transparent container holding an aqueous suspension of delaminate vermiculite. A light source is positioned at a first surface of the container so that the light shines through the container and the li... | 02/26/2008 |
| 7300167 | Adjustably opaque window An adjustably opaque window including an external pane, an internal pane, a light transmission control layer and a shock-absorbing layer is provided. The external pane and the internal pane provide a cavity between them, and the light transmission control layer and ... | 11/27/2007 |
| 7256937 | Structured polarizer and method for making the same A structured polarizer (linear polarizing filter) with side-by-side in a plane (lateral) regions having different polarization directions, complete extinction and complete transparency, is presented with two superpositioned planes (polarizers) with a polarizer whose... | 08/14/2007 |
| 7252864 | Optical film for display devices Disclosed is an optical film that comprises certain radiation cured (meth)acrylate binders and, desirably, irregular semicrystalline asymmetric particles. ... | 08/07/2007 |
| 7187498 | Surveillance window A surveillance window including at least one set of linear polarizer and quarter-waveplate and a reflecting surface. The surveillance window appears dull and opaque to a subject, while allowing a relatively high percentage of light to be transmitted to an observer. ... | 03/06/2007 |
| 7167308 | System for eliminating secondary images in rear projection systems A secondary image suppression system (SISS) for minimizing secondary ghost images in a screen assembly for a rear projection system. The secondary image suppression system includes a circular polarizing assembly positioned to receive light from a rear projection len... | 01/23/2007 |
| 7167243 | Dermoscopy epiluminescence device employing cross and parallel polarization The present invention is a hand held dermoscopy epiluminescense device with a magnification lens and an associated ring of luminous diodes powered by an on board battery. Every other diode in the ring operates as first and second light sources. The even diodes are f... | 01/23/2007 |
| 7167244 | Dermoscopy epiluminescence device employing multiple color illumination sources The present invention provides a hand held dermoscopy epiluminescense device having a generally circular optical magnification lens incorporated into the housing of the device. A lighting array provides the light necessary for medical examination of the skin. The li... | 01/23/2007 |
| 7121028 | Method and apparatus for converting a rearview mirror into a dedicated information display A dedicated information display in a vehicle is provided, the display having a rearview mirror with a reflective surface. The display also includes a label having an adhesive side and a display side, and a size and a shape that covers a portion of the reflective sur... | 10/17/2006 |
| 7004599 | Illuminated mirror employing cross and parallel polarization The present invention relates to an illuminated personal hygiene mirror for viewing facial skin or other areas of the body. In each of the embodiments of the present invention, a hand-held frame receives and supports a mirror. The mirror is covered with a polarizer ... | 02/28/2006 |
| 6942925 | Dichroic polarizer The invention belongs to polarizing devices and can be used in lighting equipment, manufacturing construction-material glasses, and in displays. The proposed dichroic polarizer includes a substrate and at least one layer dichroically absorbing electromagnetic... | 09/13/2005 |
| 6903788 | Optical film and a liquid crystal display using the same An optical film having excellent light utilization efficiency and high brightness, and a liquid crystal display using the optical film. The optical film is formed by laminating integrally a brightness enhancement film (A) that separates natural light into transmitte... | 06/07/2005 |
| 6737154 | Multilayer polymer film with additional coatings or layers A multilayer polymer film has an optical stack including a plurality of alternating polymer layers with skin layers having mechanical, optical, or chemical properties differing from those of the layers in the optical stack. In one embodiment, the multilayer polymeri... | 05/18/2004 |
| 6703989 | Stereoscopic display A stereoscopic display comprises a spatial light modulator such as a liquid cryatal device. The modulator comprises an array of pixels such as RGB pixels. A retarder array is disposed on the front of the spatial light modulator. The array comprises first ... | 03/09/2004 |
| 6646801 | Glare reduction system and method A system and method for reducing glare is provided in accordance with the present invention. The system may include a first polarizer transmitter for filtering light from a source, and a second polarizer analyzer for viewing the light received from the fi... | 11/11/2003 |
| 6641874 | Multilayer reflective film or pigment with viewing angle dependent reflection characteristics The invention relates to multilayer reflective films and pigments showing selective reflection of light wherein the reflection characteristics are dependent on the viewing angle, characterized in that they comprises at least one reflective layer, at least... | 11/04/2003 |
| 6535333 | Optical system with reduced color shift An optical system with improved color shift characteristics is described. Preferably, the system comprises a rear projection display that includes a light source providing light in first and second distinct polarization states, and a beaded screen.... | 03/18/2003 |
| 6507436 | Display system where polarized light impinges on platelike laminate at brewster's angle or emerges therefrom at angle equal thereto The invention relates to a display system where polarized light rays from a display device impinge on a laminate at Brewster's angle or emerge therefrom at an angle equal to Brewster's angle. This laminate is a combination of a transparent platelike objec... | 01/14/2003 |
| 6492635 | Method and device for automatically controlling a polarizing filter A method and device for automatically controlling a polarizing filter, featuring automatically sensing, measuring, and analyzing at least one parameter associated with direction of a polarizing filter by an electronic direction/motion sensing mechanism, r... | 12/10/2002 |
| 6481851 | Adjustable contrast reflected display system A transparent-reflective display constructed to be alterable so that reflected images are viewed upon a transparent surface that can alter to a darkened surface, thereby changing contrast of the reflection. An assembly consisting of a beamsplitter and an ... | 11/19/2002 |
| 6459514 | Multilayer polymer film with additional coatings or layers A multilayer optical film comprising: (a) an optical stack comprising alternating layers of at least a first polymer and a second polymer; and (b) a holographic image.... | 10/01/2002 |
| 6449093 | Optical bodies made with a birefringent polymer A optical body has at least two polymeric materials forming a reflective interface for at least one polarization of light. One optical body is a multilayer optical film that includes birefringent first optical layers and second optical layers interleaved ... | 09/10/2002 |
| 6413641 | Treated polyethylene terephthalate polarizing films for improved adhesion in optical plastics An optical-quality plastic part is provided having a PET polarizing film integrally bonded thereto and, optionally, a hard coating integrally bonded to the PET polarizing film. In a preferred construction, the film may be surface treated, either physicall... | 07/02/2002 |
| 6403223 | Circular polarizer comprising anti-reflection material An optical article comprising a first layer of a transparent resin having a self-healing property; an antireflection layer consisting essentially of a non-crystalline fluorine-containing polymer disposed underneath said first layer; and a circular polariz... | 06/11/2002 |
| 6327084 | Display system where polarized light impinges on platelike laminate at brewster's angle or emerges therefrom at angle equal thereto The invention relates to a display system where polarized light rays from a display device impinge on a laminate at Brewster's angle or emerge therefrom at an angle equal to Brewster's angle. This laminate is a combination of a transparent platelike objec... | 12/04/2001 |
| 6324002 | Polarization-dependent imaging element An optical element constructed from a transparent support having a curved surface and a layer of a polarization-dependent film that is affixed to the curved surface. The polarization-dependent film passes linearly polarized light of a predetermined polari... | 11/27/2001 |
| 6275337 | Method for viewing through reflections from a reflective surface without affecting point of impact Featured is a method and device that minimize the effects of reflections from a transparent surface while viewing an object or target area through such reflective surface and which accomplishes this without affecting the crucially important accuracy of sh... | 08/14/2001 |
| 6256152 | Laminate wafers A laminate optical article including a first outer layer; a second outer layer; and an inner layer positioned between said first and second outer layers, the inner layer providing a desirable optical property to the laminate optical article.... | 07/03/2001 |
| 6256122 | Device for the elimination of the zero order beam emerging from a hologram illuminated in polarized light Device for elimination of the zero order beam emerging from holograms illuminated in polarized light includes a birefringent plate (5) illuminated by both said zero order beam (3) and by a diffracted beam (4) emerging from the hologram (2). The plate is a... | 07/03/2001 |
| 6239907 | Rear projection screen using birefringent optical film for asymmetric light scattering A dispersing element for a rear projection screen assembly is sensitive to the polarization of the light passing through the element. In particular, the element disperses light having a first polarization differently from light having a second polarizatio... | 05/29/2001 |
| 6156397 | Polarizing panel and method for making same A light polarizing panel comprises a plurality of layers of translucent material. At least one gap (14, 16) is provided between a pair of adjacent layers and at least one of the layers is a polarising layer (13) formed of cellular material with layered el... | 12/05/2000 |
| 6028303 | Polarizing filter control mechanism to reduce reflected light A polarizing filter control mechanism used in a camera that automatically rotates a polarizing filter in order to minimize the effects of reflected light on a photographic image. An image signal is obtained by an imaging element that converts image light ... | 02/22/2000 |
| 5999316 | Light valve with rotating polarizing element The present invention provides light valves including polarizing elements in which light transmission can be controlled by rotating at least one of the polarizing elements about an in-plane axis. Although reflective polarizing elements are preferred in de... | 12/07/1999 |
| 5940216 | Window tinting apparatus The present invention relates to a window tinting apparatus (10) which comprises an outer window (16A) and an inner window (16B) having a window cavity (16C) there between. The window tinting apparatus (10) further comprises a first primary polarized pane... | 08/17/1999 |
| 5926310 | Polarizing film and polarizing composites A polarizing film or composite which can eliminate glare of the light reflected by an object and passing therethrough while maintaining the original color of the object. The polarizing film is color-adjusted so that the color coordinates L, a and b in the... | 07/20/1999 |
| 5900974 | Backing plate for contrast enhancement of photolithographic images on transparent substrates and method of using same A backing plate for a transparent substrate constructed of two polarizer sheets. The axes of polarization of the polarizer sheets are substantially orthogonal to each other. The backing plate thus absorbs more than 98% of incident light and prevents subst... | 05/04/1999 |
| 5900975 | Ghost image extinction in an active range sensor An apparatus is provided that includes a plate beamsplitter having a first surface coated with a partially reflective coating, and a second surface coated with an anti-reflective coating, and a polarizing filter, oriented with respect to the plate beamspl... | 05/04/1999 |
| 5886819 | Antiglare material and polarizing film by using the same An antiglare material capable of exhibiting an excellent antiglare effect by preventing imaging reflection of an external light source and suitable for an image display with sharpness and high resolution as well as a polarizing film by utilizing the same.... | 03/23/1999 |
