Patent application number | Description | Published |
20080218858 | Polarizing turning film with reduced color separation - The disclosure describes a turning film and a backlight containing the film. The turning film comprises a light entry and a light exit surface comprising first prismatic structures on the exit surface and second prismatic structures or lenticular structures on the light entry surface, wherein
| 09-11-2008 |
20080219024 | Backlight unit with reduced color separation including a polarizing turning film - A backlight unit contains a light source, a light guiding plate, and a turning film having a light entry and a light exit surface comprising first prismatic structures on the exit surface, wherein
| 09-11-2008 |
20080247743 | ZOOM FLASH WITH LIQUID CRYSTAL LENS - A camera apparatus ( | 10-09-2008 |
20080259634 | DOUBLE-SIDED TURNING FILM - A backlight device for a display comprising (1) a side-lit light source, (2) a light guide plate and (3) a turning film comprising a light entry and a light exit surface comprising lenticular elements on the exit surface and prismatic structures on the entry surface, wherein the average values of the parameters of the features and the thickness of the film are selected to provide a peak output angle of ±10° from normal to the light exit surface of the light guide plate and an optical gain of at least 1.25. Also disclosed are methods of making the turning film and a display incorporating the backlight. | 10-23-2008 |
20080304282 | BACKLIGHT CONTAINING FORMED BIREFRINGENCE REFLECTIVE POLARIZER - A backlight unit comprises:
| 12-11-2008 |
20080310003 | TURNING FILM, DISPLAY APPARATUS, AND PROCESS - A light redirecting article for redirecting light toward comprises:
| 12-18-2008 |
20090091836 | Turning film having multiple slopes - The present invention provides a light redirecting article for redirecting light toward a target angle, the light redirecting article comprising: an input surface comprising a plurality of light redirecting structures each light redirecting structure having a near surface having two slopes, sloping away from normal in one direction as defined by a first inclination base angle β | 04-09-2009 |
20090183824 | BISTABLE WATERMARK - A watermark formed of a bistable material, and a method of forming the watermark, are described. | 07-23-2009 |
20090323184 | Dissfusely-reflecting polarizer having nearly isotropic continuous phase - The present invention provides a diffusely-reflecting polarizer comprising:
| 12-31-2009 |
20100110342 | Novel turning film for liquid crystal displays - The present invention provides a light redirecting article for redirecting light toward a target angle, the light redirecting article comprising: an input surface comprising a plurality of light redirecting structures. Each light redirecting structure has (i) a near surface having two slopes, sloping away from normal in one direction as defined by a first inclination base angle β | 05-06-2010 |
20100244325 | BISTABLE DISPLAY - A bistable display having one or more permanent hideable mark, and a method of forming the permanent hideable mark, are described. The permanent hideable mark can be hidden and revealed numerous times without loss of information. | 09-30-2010 |
20100302807 | Light Guide plate for a turning film system - The present invention provides a light guide plate comprising: (a) an input surface for receiving light from a light source into the light guide plate, (b) an output surface for emitting light, (c) a bottom surface opposing to the output surface, wherein discrete elements are located at least one of the output or bottom surface, the density function D(x) of the discrete elements has a minimal value Dmin(x | 12-02-2010 |
20110115109 | Method of manufacturing a reflective polarizer - The present invention provides a method for manufacturing a diffusely reflecting polarizer, comprising: extruding and stretching a film containing a first polymer having a birefringence of less than 0.02, with said first polymer being a substantially amorphous nano-composite material, and a second polymer, the first polymer being a major phase, and the second polymer being a dispersed minor phase, wherein said first and second polymers taken together along a first axis for one polarization state of electromagnetic radiation exhibit a diffuse reflectivity R | 05-19-2011 |
20110116167 | Diffusely-reflecting polarizer having substantially amorphous nano-composite major phase - The present invention provides a diffusely reflecting polarizer comprising a layer containing: a first polymer being a substantially amorphous nano-composite material and being a major phase having a birefringence of less than about 0.02, and a second polymer being a dispersed minor phase within the first polymer major phase, the major and minor phases differing in index of refraction by more than about 0.05 along a first axis and by less than about 0.05 along a second axis orthogonal to said first axis; wherein the major phase comprises a continuous amorphous phase and at least one additional phase dispersed into domains within said continuous amorphous phase, the domains having characteristic dimensions smaller than the wavelength of light such that these domains do not contribute to scattering of light passing through the first polymer; wherein the diffuse reflectivity of said first and second polymers taken together along at least one axis for at least one polarization state of electromagnetic radiation is at least about 50%. | 05-19-2011 |
20110242849 | THIN DOUBLE-SIDED LIGHT GUIDE PLATE - The present invention provides a light guide plate having an input surface for receiving light from a light source, a micro-patterned output surface for emitting light, and a micro-patterned bottom surface opposing to the output surface, made in steps comprising: extruding a first resin into the nip between a first pressure roller and a first patterned roller to form a first layer. Extruding a second resin into the nip between a second pressure roller and a second patterned roller and onto the unpatterned surface of the first layer to form a second layer. The second layer having a pattern transferred from the second patterned roller; the combined first and second layers form an optical sheet comprising a plurality of light guide plate patterns and cutting and finishing the optical sheet into a plurality of double-sided light guide plates having the specified length and width dimensions. | 10-06-2011 |
20110242850 | DOUBLE-SIDED LIGHT GUIDE PLATE MANUFACTURED WITH MICRO-PATTERNED CARRIER - The present invention provides a light guide plate having an input surface for receiving light from a light source, a micro-patterned output surface for emitting light, and a micro-patterned bottom surface opposing to the output surface, made in steps comprising: extruding a resin into the nip between a patterned roller and a patterned carrier film at a nip pressure P | 10-06-2011 |
20110242851 | DOUBLE-SIDED LIGHT GUIDE PLATE MANUFACTURED WITH PATTERNED ROLLERS - The present invention provides a light guide plate having an input surface for receiving light from a light source, a micro-patterned output surface for emitting light, and a micro-patterned bottom surface opposing to the output surface. The invention provides extruding a resin into the nip between a first patterned roller and a second patterned roller at a first patterned roller surface temperature T | 10-06-2011 |