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Patent No. 6711769

Pillow with retractable umbrella

A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.

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Attorney: Pralle; Jay R.


Number of patents: 80
Last date: February 21, 2012

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NumberTitleIssue Date
8120730Hybrid polarizer
A hybrid polarizer includes an absorbing element having a first major surface and a second major surface. The hybrid polarizer also includes a first birefringent reflective polarizer disposed on the first major surface of the absorbing element, the first birefringen...
02/21/2012
8035774Multifunctional thick film reflective polarizer for displays
Multilayer reflective polarizers are disclosed that utilize a thick film multilayer stack and that are suitable for use in liquid crystal display devices. The disclosed polarizers can be mechanically stiff and suitable for use as a plate or substrate for other light...
10/11/2011
8023065Optical element for lateral light spreading in edge-lit displays and system using same
An illumination light unit has at least one light source that generates illumination light. The unit also includes a reflecting cavity having one or more reflectors and a controlled transmission mirror disposed at an output of the reflecting cavity. The controlled t...
09/20/2011
7924368Diffuse multilayer optical assembly
An optical assembly includes a light diffusing layer attached to a reflective polarizing layer. An intermediate region between the light diffusing layer and the reflective polarizing layer includes an intermediate structure that defines voids between the light diffu...
04/12/2011
7903194Optical element for lateral light spreading in back-lit displays and system using same
A display system has a controlled transmission mirror disposed between the light sources and the display panel. The controlled transmission mirror includes a light-diverting input coupling element facing the light sources, a light-diverting output coupling element f...
03/08/2011
7898520Method and apparatus for backlight simulation
Computer-implemented methods of simulating backlights, and machine-readable media for carrying out such methods, are disclosed. The backlight may include a plurality of components, each component having at least one element. Some methods can include: tracing rays to...
03/01/2011
7852560Display incorporating reflective polarizer
A display includes a liquid crystal display panel, an optical cavity producing substantially collimated light and a birefringent reflective polarizer. ...
12/14/2010
7851054Multilayer optical films having one or more reflection bands
Multilayer optical films having one or more reflection bands are provided. The films include alternating polymeric layers configured to selectively reflect and transmit visible light at a design angle of incidence, where the selective reflection includes first and s...
12/14/2010
7833593High efficiency optical devices
Optical devices according to the present invention include a multilayer optical film in which at least one of the layers comprises an oriented birefringent polymer. The multilayer optical film exhibits low absorptivity and can reflect light approaching at shallow an...
11/16/2010
7826009Hybrid polarizer
A hybrid polarizer includes an absorbing element having a first major surface and a second major surface. The hybrid polarizer also includes a first birefringent reflective polarizer disposed on the first major surface of the absorbing element, the first birefringen...
11/02/2010
7820297Multilayer films including thermoplastic silicone block copolymers
A multilayer film includes a first layer of a first polymeric material and a second layer of a second polymeric material. The first material has a first index of refraction and the second material has a second index of refraction less than the first index of refract...
10/26/2010
7820236Optical film coating
A low fringing film coating includes a transparent polymeric layer having a surface, and a plurality of projections extending away from the surface. The projections have a mean height of 0.05 to 1 μm and a mean distance between projections of 0.5 to 2 mm. The coati...
10/26/2010
7815355Direct-lit backlight having light recycling cavity with concave transflector
Direct-lit backlights and associated methods and components are disclosed in which a transflector that partially transmits and partially reflects incident light is shaped to form at least one concave structure facing a back reflector of the backlight. This provides ...
10/19/2010
7791687Display including reflective polarizer
A display device includes a display panel and a biaxial reflective polarizer having a plurality of layers characterized by a varying optical thickness. A majority of the layers of the biaxial reflective polarizer having a smaller optical thickness are disposed close...
09/07/2010
7789538Back-lit displays with high illumination uniformity
A directly illuminated display unit has a display panel and one or more light sources disposed behind the display panel. A diffuser is disposed between the one or more light sources and the display panel, and a light diverting layer is disposed between the one or mo...
09/07/2010
7773834Multilayer polarizing fibers and polarizers using same
A polarizing film is made of multilayer polarizing fibers embedded within a matrix. The fibers are formed with layers of at least a first and a second polymer material. Layers of the first polymer material are disposed between layers of the second polymer material. ...
08/10/2010
7766531Edge-lit optical display with fluted optical plate
A display system includes a display panel and a backlight disposed behind the display panel. The backlight has a light guide and at least one light source that directs light into an edge of the light guide. The light guide comprises a front layer facing the display ...
08/03/2010
7766528Back-lit displays with high illumination uniformity
A directly illuminated display unit has a display panel and one or more light sources disposed behind the display panel. A diffuser is disposed between the one or more light sources and the display panel, and a light diverting layer is disposed between the one or mo...
08/03/2010
7740470Processes and apparatus for making transversely drawn films with substantially uniaxial character
A stretcher for substantially uniaxially orienting a film includes a plurality of gripping members to hold opposing edge portions of the film, paths along which the gripping members travel to stretch the film in a stretching region, and a drive mechanism to convey t...
06/22/2010
7738763Composite polymer fibers
A composite polymer fiber comprises a polymer filler material and a plurality of polymer scattering fibers disposed within the filler material. At least one of the filler material and the scattering fibers is formed of a birefringent material. The refractive indices...
06/15/2010
7707963System for forming multi-layer films using corona treatments
A system for forming a multi-layer film, where the system includes a backing support having a surface and a close-coupled unit configured to be disposed adjacent the surface of the backing support. The close-coupled unit includes a corona electrode and a coating die...
05/04/2010
7695180Illumination assembly and system
Illumination assemblies and systems using same are disclosed. The illumination assembly can include a reflective substrate, and a light source unit including one or more light sources capable of producing illumination light. The assembly can further include a first ...
04/13/2010
7599592Polymer fiber polarizers with aligned fibers
A polarizing film is made of multilayer polarizing fibers embedded within a matrix. The fibers are formed with layers of at least a first and a second polymer material. Layers of the first polymer material are disposed between layers of the second polymer material. ...
10/06/2009
7537374Edge-lit backlight having light recycling cavity with concave transflector
An edge-lit backlight having a light recycling cavity with concave transflector is disclosed. The edge-lit backlight has an output area and includes a back reflector facing the output area of the backlight. The backlight further includes a transflector that partiall...
05/26/2009
7526164Reflective polarizers containing polymer fibers
A polarizer is formed with an arrangement of polymer fibers substantially parallel within a polymer matrix. The polymer fibers are formed of at least first and second polymer materials. At least one of the polymer matrix and the first and second polymer materials is...
04/28/2009
7511783Optical laminated bodies, lighting equipment and area luminescence equipment
Lighting devices are disclosed that include optical laminated bodies. An exemplary optical laminated body includes a polarizing layer, a first transparent film disposed closely to a front surface of the polarizing layer and a second transparent film disposed closely...
03/31/2009
7510741Method of making multilayer cholesteric liquid crystal optical bodies
Methods of making an optical body include coating a mixture including a first cholesteric liquid crystal polymer, a second cholesteric liquid crystal monomer, a second cholesteric liquid crystal polymer formed from a portion of the second cholesteric liquid crystal ...
03/31/2009
7497608Phosphor based illumination system having a long pass reflector and method of making same
An illumination system including a light source, a light guide including an output surface, emissive material positioned between the light source and the output surface of the light guide, and an interference reflector positioned between the emissive material and th...
03/03/2009
7468204Modified copolyesters and optical films including modified copolyesters
Modified copolyesters having relatively low refractive indices and relatively high glass transition temperatures are disclosed. These modified copolyesters can be used in forming one or more layers in an optical film, such as a multilayer polymer film. ...
12/23/2008
7456805Display including a solid state light device and method using same
A display includes a solid state light device and a spatial light modulator in optical communication with the solid state light device. The solid state light device includes an array of solid state radiation sources to generate radiation, where each solid state radi...
11/25/2008
7446827Direct-lit liquid crystal displays with laminated diffuser plates
In a directly-illuminated liquid crystal display (LCD), for example an LCD monitor or an LCD-TV, a number of light management films, including a diffuser layer, lie between the light source and the LCD panel to provide bright, uniform illumination. The diffuser laye...
11/04/2008
7436469Composite diffuser plates and direct-lit liquid crystal displays using same
In a directly-illuminated liquid crystal display (LCD), for example an LCD monitor or an LCD-TV, a number of light management layers lie between the light source and the LCD panel to provide bright, uniform illumination. The light management layers, including, for e...
10/14/2008
7427146Light-collecting illumination system
Light-collecting illumination systems are disclosed, which include a light source module, a first meniscus lens having a convex side and a concave side and a second meniscus lens having a convex side and a concave side. The concave side of the second meniscus lens i...
09/23/2008
7413317Polarized UV exposure system
A light exposure system is used to expose an alignment layer formed of anistropically absorbing molecules so as to allow alignment of subsequently applied liquid crystal polymer (LCP) molecules. The light incident on the alignment layer is polarized. When a single p...
08/19/2008
7407313Phosphor based illumination system having a plurality of light guides and a display using same
An illumination system including a light source, light guides coupled to the light source, each including an input surface and an output surface, emissive material positioned to receive light from at least one light guide, and a first interference reflector position...
08/05/2008
7406239Optical elements containing a polymer fiber weave
A polarizer is formed with an arrangement of polymer fibers substantially parallel within a polymer matrix. The polymer fibers are formed of at least first and second polymer materials. At least one of the polymer matrix and the first and second polymer materials is...
07/29/2008
7403680Reflective light coupler
An illumination system has individual light emitting diodes (LEDs) that are optically coupled via reflective couplers to respective optical fibers. The respective optical fibers may then be bundled. The shape of the reflective coupler may be selected to increase the...
07/22/2008
7390097Multiple channel illumination system
An illumination system, used for illuminating a target area, includes a plurality of light generating elements and a plurality of light collection units disposed to collect light from respective light generating elements. Imaging lens units are disposed to relay ima...
06/24/2008
7386212Polymer photonic crystal fibers
A composite polymer fiber comprises a polymer filler material and a plurality of polymer scattering fibers disposed within the filler material. At least one of the filler material and the scattering fibers is formed of a birefringent material. The refractive indices...
06/10/2008
7378136Optical film coating
A low fringing film coating includes a transparent polymeric layer having a surface, and a plurality of projections extending away from the surface. The projections have a mean height of 0.05 to 1 μm and a mean distance between projections of 0.5 to 2 mm. The coati...
05/27/2008
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