| Patent Number |
Title Of Patent |
Date Issued |
| 7841730 |
Light source device and crystal display device |
November 30, 2010 |
| A light source comprising sidelight type backlight light guide plate (L), wherein a transmittance angle dependent layer (T1) which transmits normally incident light and reflects obliquely incident light is disposed on one surface of the sidelight type backlight light guide plate (L), and |
| 7746424 |
High luminance polarizing plate, and liquid crystal panel and image display using same |
June 29, 2010 |
| A high-brightness polarizing plate of the present invention comprises a polarizing plate that comprises a polarizer and a protective film prepared on one or both sides of the polarizer, a brightness enhancement film and an adhesive layer through which the polarizing plate and the bri |
| 7746421 |
Optical element, light condensation backlight system, and liquid crystal display |
June 29, 2010 |
| An optical element comprising: a polarizing element (A), separating incident light into polarization to then emit light, and made of a cholesteric liquid crystal, and a linearly polarized light reflection polarizer (B) transmitting linearly polarized light with one polarization axis |
| 7742136 |
Manufacturing method for sheet with anti-counterfeit functions |
June 22, 2010 |
| A sheet with anti-counterfeit functions for making counterfeiting highly difficult in the case where authentication information is recorded using the properties of cholesteric liquid crystal is provided. A cholesteric liquid crystal layer 110 having a selective reflected wavelength band |
| 7633678 |
Optical element, polarizing element, lighting device, and liquid crystal display |
December 15, 2009 |
| An optical element of the invention comprises at least two laminated layers of reflective polarizer; and at least one retardation layer for changing polarization properties laminated between the reflective polarizers, the combination of the layers being designed so as to provide a in |
| 7630134 |
Optical element, polarizing element, lighting device, and liquid crystal display |
December 8, 2009 |
| An optical element of the invention comprises at least two laminated layers of reflective polarizer; and at least one retardation layer for changing polarization properties laminated between the reflective polarizers, the combination of the layers being designed so as to provide a in |
| 7593079 |
Optical device, light-condensing backlight system, and liquid crystal display |
September 22, 2009 |
| An optical element of the invention comprises at least three laminated circular-polarization-type-reflection polarizers (a) whose wavelength bands for selective reflection of polarized light overlap one another; a layer (b1) which is placed between at least a pair of the circular-pol |
| 7557883 |
Polarizing plate with optical compensation layer, method of producing the same, and liquid cryst |
July 7, 2009 |
| A polarizing plate with optical compensation layers that performs a wide viewing angle compensation with respect to a liquid crystal cell, allows circularly polarized light to be obtained over a wide range of light wavelengths, contributes to the reduction in thickness, prevents thermal |
| 7492516 |
Optical element, polarizing element, lighting device, and liquid crystal display |
February 17, 2009 |
| An optical element of the invention comprises at least two laminated layers of reflective polarizer; and at least one retardation layer for changing polarization properties laminated between the reflective polarizers, the combination of the layers being designed so as to provide a in |
| 7446848 |
Optical element, condensing backlight system and liquid crystal display |
November 4, 2008 |
| An optical element of the invention comprises at least two laminated circular-polarization-type-reflection polarizers (a) whose wavelength bands for selective reflection of polarized light overlap one another, wherein the at least two circular-polarization-type-reflection polarizer |
| 7393570 |
Broad-band-cholesteric liquid-crystal film, process for producing the same, circularly polarizin |
July 1, 2008 |
| A broad band cholesteric liquid crystal film of the present invention is a cholesteric liquid crystal film obtained by coating a liquid crystal mixture containing a polymerizable mesogen compound (a), a polymerizable chiral agent (b) and a photoisomerizable material (c) on a substrate to |
| 7326451 |
Rotatory polarization plate, optical element, light condensation backlight system and liquid cry |
February 5, 2008 |
| A rotatory polarization plate capable of extracting an emission polarized light from an incident polarized light and rotating an azimuth angle of an polarization axis of the incident polarized light, wherein a rotatory polarization angle of the azimuth angle is changed by an incidence an |
| 7317498 |
Viewing angle magnification liquid crystal display unit |
January 8, 2008 |
| A viewing angle magnification liquid crystal display of this invention comprising: at least a backlight system containing a polarization element (A) obtained by disposing a retardation layer (b) between at least two layers, included in a reflection polarizer (a), and having respective |
| 7294303 |
Broad band-cholesteric liquid crystal film and process for producing the same, circularly polari |
November 13, 2007 |
| A broad band cholesteric liquid crystal film of the present invention comprises a cholesteric liquid crystal film obtained by polymerizing a liquid crystal mixture containing a polymerizable mesogen compound (a), a polymerizable chiral agent (b) and a photopolymerization initiator (c) |
| 6970213 |
Optical film and liquid-crystal display device using the optical film |
November 29, 2005 |
| An optical film constituted by a laminate of a polarizer and a reflective polarizing film through an acrylic-based pressure-sensitive adhesive agent, the polarizer having an anti-glare layer, wherein the optical film has a haze (H) in a range of from 5% to 30%. Preferably, a haze (H1) of |
| 6958797 |
Optical film having low chromaticity variation and quarter wavelength plate, and liquid crystal |
October 25, 2005 |
| An optical film in which a function of a brightness enhancement film is maintained and variations in brightness and chromaticity within a film plane are suppressed is provided. An optical film is a laminate of an absorptive dichroic polarizing plate and a brightness enhancement film. A |
| 6724446 |
Illumination device and/or a liquid crystal display device |
April 20, 2004 |
| There is provided an illuminator having a planar light source unit having reflectance of from 50 to 90% with respect to light in a state in which the light is emitted from a light source provided separately from the planar light source and incident on the planar light source unit, and a |
| 6661487 |
Laminated optical film, method for producing the same film and liquid-crystal display device usi |
December 9, 2003 |
| A method of producing a laminated optical film constituted by a laminate of a plurality of optical films different in area, the method including the steps of: laminating an optical film (B) having a plurality of rectangular holes parallel to one another, on at least one surface of an opt |
| 6654081 |
Optic element, illumination device and/or liquid-crystal display device |
November 25, 2003 |
| There is provided an optical element having: a laminate including a reflective type polarizer for separating incident light into polarized light components through reflection and transmission, and a dichromatic polarizer, wherein a variation of hue between two points calculated by the |
