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Compensator or retarder (i.e., not using liquid crystal cell)

Subclass of:

349 - Liquid crystal cells, elements and systems

349056000 - PARTICULAR STRUCTURE

349084000 - Having significant detail of cell structure only

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
349118000 With refractive indices in the x, y, and z directions 46
349119000 Multiple compensators 38
Entries
DocumentTitleDate
20130083276PRINTING SHEET FOR PRINTING STEREO PICTURE, STEREO PICTURE PRINT, METHOD OF MANUFACTURING STEREO PICTURE PRINT, AND METHOD OF PROVIDING STEREO PICTURE - Provided is a stereo picture print having reduced crosstalk and ghost images. The printing sheet for printing a stereo picture comprises, in sequence: a light-transmissive image receiving layer; a linearly polarizing layer; and a retardation layer, wherein the retardation layer is formed by fixing in an aligned state a composition containing a compound having refractive index anisotropy and is patterned into a first domain and a second domain which have different in-plane slow axes or have different in-plane retardations.04-04-2013
20080259259LIQUID CRYSTAL DEVICE, METHOD OF MANUFACTURING THE SAME, AND ELECTRONIC APPARATUS - A liquid crystal device includes a pair of substrates with a liquid crystal layer interposed therebetween. A reflective display region for reflective display and a transmissive display region for transmissive display are provided in a subpixel region. A retardation film is provided in a region of one of the pair of substrates corresponding to the reflective display region. The retardation film is formed by laminating a plurality of liquid crystal material layers with an alignment film interposed therebetween.10-23-2008
20110194057REFLECTION TYPE LIQUID CRYSTAL DEVICE AND PROJECTOR - A reflection type liquid crystal device has: a liquid crystal cell held between a pair of substrates and an optical compensation plate disposed outside the pair of substrates. The optical compensation plate has a first optical axis along the thickness direction thereof. The liquid crystal cell has a pretilt at which a second optical axis of a liquid crystal molecule of the liquid crystal cell is inclined with respect to a plate surface of the liquid crystal cell. The optical compensation plate is tiltable in a first direction in which a standard angle becomes larger, wherein the standard angle is defined as an acute angle between the first optical axis and the second optical axis when the optical compensation plate is located parallel to the plate surface of the liquid crystal cell.08-11-2011
20100118240COMPOSITE RETARDATION PLATE, METHOD FOR PRODUCTION THEREOF, COMPOSITE OPTICAL MEMBER, AND LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is a composite retardation plate which comprises a retardation plate composed of a transparent resin, a primer layer, and a coating retardation layer comprising an organic modified lay complex and a binder resin laminated in this order, wherein the primer layer is composed of a composition comprising a water-soluble organic metal compound selected from a water-soluble organic titanium compound and a water-soluble organic zirconium compound and a water-soluble resin. The composite retardation plate may further comprise a polarizing plate preferably laminated on the side of the resin retardation plate, thereby providing a composite optical member. The composite optical member may be combined with a liquid crystal cell to provide a liquid crystal display device.05-13-2010
20100026944LIQUID CRYSTAL DISPLAY - The present invention relates to a liquid crystal display, comprising a lower alignment film formed on a lower substrate; an upper alignment film formed on an upper substrate; a liquid crystal layer sandwiched between the lower and upper substrates; a phase compensation film adhered on the outer surface of the upper substrate; and a polarizer adhered on the phase compensation film wherein the lower alignment film has an alignment angle of −10 to 20° with respect to a horizontal line, the upper alignment film has an alignment angle of 40 to 55° with respect to a horizontal line, the liquid crystal layer has a phase delay value (dΔn) of 0.24-0.27 μm, the phase compensation film has a phase compensation function of λ/4 and also has an optical axis making 140-146° with a horizontal line, and the polarizer has a absorption axis making 120 to 122.5° with a horizontal line.02-04-2010
20120182507OPTICAL FILM, OPTICAL COMPENSATION FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY - An optical film is provided and has retardations satisfying relations (1) to (3): 07-19-2012
20090091695OPTICAL COMPENSATION FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is an optical compensation film comprising an optically-anisotropic layer and at least one optically-isotropic layer adjacent to the optically-anisotropic layer and having a refractive index that differs from the mean refractive index of the optically-anisotropic layer.04-09-2009
20090091694PRODUCTION METHOD FOR TRANSPARENT POLYMER FILM AND TRANSPARENT POLYMER FILM PRODUCED ACCORDING TO THE METHOD, RETARDATION FILM, POLARIZER, AND LIQUID CRYSTAL DISPLAY DEVICE - Retardation expressibility of a transparent polymer film can be easily controlled by heat treatment of the film at a temperature T (unit, ° C.) satisfying a condition of the following formula (1):04-09-2009
20120224126LIQUID CRYSTAL FILM - A liquid crystal film (LCF) is provided. The exemplified LCF can be used as a reflective polarization plate, which can improve luminance and light utilization efficiency of a display device, such as an LCD, and the like.09-06-2012
20100283949RETARDATION FILM, LAMINATED POLARIZING FILM, AND LIQUID CRYSTAL DISPLAY - The present invention provides a retardation film which can remarkably improve the controllability of retardation, and can also sufficiently control the wavelength dependency of retardation. The retardation film of the present invention can achieve a widening of the viewing angle at a high degree, when it is applied to a liquid crystal display device. Further, the present invention provides a laminated polarizing which comprises the retardation film and enables widening the viewing angle. Furthermore, the present invention provides a liquid crystal display device having high performance, especially a widened viewing angle. The retardation film of the present invention comprises a structural body which simultaneously has form birefringence and molecular-orientation birefringence. Specifically, the retardation film comprises a periodic structure (11-11-2010
20120293758IN-PLANE SWITCHING LIQUID CRYSTAL DISPLAY - There is provided an integrated wide viewing film including: a first film having an optical axis located in-plan; and a second film having an optical axis located in a thickness direction thereof, and inclined at a predetermined angle in an in-plane direction. The IPS-LCD employing the integrated wide viewing film can be significantly improved in a contrast ratio in a diagonal direction.11-22-2012
20110279761IMAGE DISPLAY DEVICE - An image display device is discussed. The image display device includes a display panel configured to selectively display a 2D image and a 3D image and a patterned retarder disposed line by line. The patterned retarder includes a first retarder transmitting only a left eye image of the 3D image from the display panel and a second retarder transmitting only a right eye image of the 3D image. Pixels disposed on the display panel alternately display the 3D image and a black image every one horizontal line in an interlace manner through a time division.11-17-2011
20110292329Patterned Retarder Film and Method for Manufacturing - A patterned retarder film and a method for manufacturing the same are provided. A patterned retarder film with a micro-structure comprises a first substrate, a phase retardation layer on the first substrate comprising a plurality of first retardation regions of liquid crystal materials and a plurality of second retardation regions of curable resin, wherein the structures of the first retardation regions and the second retardation regions are grating-like stripe structures and parallelly interleaved with each other and the first retardation regions provide a first phase retardation and the second retardation regions provide a second phase retardation; and a second substrate laminated on the phase retardation layer; wherein the first phase retardation and the second phase retardation are different by 180°. The method for manufacturing the patterned retarder film is also disclosed12-01-2011
20110292330Patterned Retarder Film and Method for Manufacturing the Same - A patterned retarder film comprises a first substrate, a pattern configuration, an alignment layer formed on the pattern configuration, and a liquid crystal layer disposed on the alignment layer. The pattern configuration comprises a plurality of first regions and a plurality of second regions, wherein the first regions are grating relief structure and interleaved with the second regions. A liquid crystal layer is coated on the alignment layer to cover the first regions and the second regions of the pattern configuration to a plane with a determined thickness on the surface of the first regions. The first phase retardation of the liquid crystal layer on the first regions and the second phase retardation of the liquid crystal layer on the second regions are different by 180°. The method for manufacturing the same is disclosed.12-01-2011
20110216277THREE-DIMENSIONAL DISPLAY AND DISPLAY METHOD THEREOF - A three-dimensional (3D) display including a display panel and a phase retardation film is provided. The display panel has a plurality of first pixel regions and a plurality of second pixel regions that are arranged as an array. The phase retardation film is disposed on the surface of the display panel. The phase retardation film has a plurality of first retardation regions and a plurality of second retardation regions that are alternately arranged. The first retardation regions have the same phase retardation, the second retardation regions have the same phase retardation, and the phase retardation of the first retardation regions is different from that of the second retardation regions. All the regions of the phase retardation film have the same transmittance. A display method adaptable to the 3D display is also provided.09-08-2011
20100165275OPTICAL ELEMENT, DISPLAY DEVICE, AND OPTICAL DEVICE - A retardation film includes a plurality of unit areas in a direction parallel to a light-incident plane of the optical element, and the unit areas includes a plurality of unit areas 07-01-2010
20090207353SUBSTRATE FOR LIQUID CRYSTAL DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A substrate for liquid crystal display device which can provide a vertically-aligned (VA)-mode liquid crystal display device having a good viewing angle dependence of contrast and at the same time can keep the production process as simple as possible is provided: a substrate for liquid crystal display device having a smoothing layer, the smoothing layer being a negative uniaxial optically anisotropic layer having an optical axis in the direction normal to the substrate surface, particularly the substrate for liquid crystal display device having a color filter layer and/or an electrode, and the negative uniaxial optically anisotropic layer having an optical axis in the direction normal to the substrate surface being directly provided on the color filter layer or the electrode.08-20-2009
20090279030LAMINATED FILM - A laminated film includes a polarizing plate, a retardation film, and a first pressure-sensitive adhesive layer provided in this order, wherein the polarizing plate includes a polarizer, a first protective layer placed on a side of the polarizer where the retardation film is provided, and a second protective layer placed on another side of the polarizer which is opposite to the side where the retardation film is provided, the retardation film is a stretched film comprising a norbornene resin, 11-12-2009
20100128211BIREFRINGENT FILM, LAMINATED FILM, AND IMAGE DISPLAY DEVICE - The present invention provides a thin and light-weight birefringent film having a desired Nz coefficient, such that an index ellipsoid satisfies a relationship of nx≧nz>ny.05-27-2010
20100220272LIQUID CRYSTAL DISPLAY - The invention provides a liquid crystal display which is excellent in both display performance and moisture and heat resistance.09-02-2010
20100060833LIQUID CRYSTAL DISPLAY PROTECTION PLATE - The invention provides a liquid crystal display protection plate capable of suppressing deterioration of the visibility of an image in the case where a screen of a liquid crystal display is seen through a polarizing filter such as polarizing sunglasses. The liquid crystal display protection plate having an in-plane retardation value of 85 to 300 nm is constituted by a scratching-resistant resin plate in which a cured coating film is disposed on at least one face of a resin substrate. A laminate plate in which a methacrylic resin layer is laminated on at least one face of a polycarbonate resin layer is preferably used as the resin substrate.03-11-2010
20080239220Liquid crystal display device and electronic apparatus - A liquid crystal device, in which a liquid crystal layer is held between a pair of substrates, includes a plurality of pixels and a retardation layer. Each of the plurality of pixels includes a transmissive display area and a reflective display area. The retardation layer is arranged at a position that at least overlaps the reflective display areas and on an inner surface side of the pair of substrates. The retardation layer is formed so as to extend over the reflective display areas of at least two adjacent pixels among the plurality of pixels. The retardation layer has a first end portion and a second end portion. The first end portion is located on one of the two adjacent pixels. The second end portion is opposite the first end portion and located on the other pixel of the two adjacent pixels.10-02-2008
20090002612Liquid Crystal Display Panel and Fabrication Method For Liquid Crystal Display Panel - The present invention relates to a liquid crystal display panel and a fabrication method for a liquid crystal display apparatus and makes it possible to assure high productivity when compared with related art apparatus and methods and assure sufficient anchoring strength and picture quality. In the present invention, the shape of a face on which an orientation film 01-01-2009
20080273152LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC APPARATUS - In a transflective type liquid crystal display device of an FFS system, a plurality of pixels has a transmissive display area for emitting transmissive display light and a reflective display area for emitting reflective display light, and the reflective display area is equipped with a retardation layer. Polarization axes of polarizers are perpendicular to each other and an alignment direction of the liquid crystal layer is parallel to or perpendicular to the polarization axis of the first polarizer. The angle of a slow axis of the retardation layer is not less than 20° and not more than 25° or not less than 60° and not more than 75° with respect to the polarization axis of the first polarizer. A retardation value of the liquid crystal layer in the reflective area exceeds a quarter wavelength, and a retardation value of the retardation layer exceeds a half wavelength.11-06-2008
20080278668LIQUID CRYSTAL DEVICE AND PROJECTION DISPLAY DEVICE - A liquid crystal device includes a pair of substrates; a liquid crystal layer interposed between the pair of substrates, the liquid crystal layer being composed of liquid crystal having negative dielectric anisotropy in which an initial alignment state thereof is vertical; and an optical compensating plate which is provided outside at least one substrate of the pair of substrates and has negative refractive index anisotropy. The liquid crystal is pretilted in a predetermined direction, and an optical axis direction of the optical compensating plate is substantially parallel to the pretilt direction of the liquid crystal.11-13-2008
20080303995Wide Viewing Angle Compensation Polarizing Plate, Liquid Crystal Panel and Liquid Crystal Display - A wide viewing angle compensation polarizing plate of the invention comprises a laminate comprising an optical film (12-11-2008
20080309860Optical Film, Optical Compensation Film, Polarizing Plate, Liquid Crystal Display Unit and Self Luminous Display Unit - An optical film which has Re(λ) and Rth(λ) fulfilling the following two formulae:12-18-2008
20100283950Liquid crystal display device - A liquid crystal display device includes a first substrate; a second substrate; a liquid crystal layer interposed between the first substrate and the second substrate; a first polarizer provided on a surface of the first substrate which is on the opposite side to the liquid crystal layer; a second polarizer provided on a surface of the second substrate which is on the opposite side to the liquid crystal layer; a first phase compensation element provided between the first polarizer and the liquid crystal layer; and a second phase compensation element provided between the second polarizer and the liquid crystal layer. A plurality of pixel areas are provided for display. The first substrate includes at least one transmissive electrode, and the second substrate includes a reflective electrode region and a transmissive electrode region in correspondence with each of the plurality of pixel areas.11-11-2010
20080284957Optical Resin Film, Optical Compensation Sheet, Polarizing Plate and Liquid Crystal Display - An optical resin film is provided, in which a wavelength dispersion of a retardation in planar direction and a wavelength dispersion of a retardation in thickness direction are independently controlled, is provided and has at least an additive having a negative intrinsic birefringence.11-20-2008
20090185121Display base having a retardation control function with a high voltage holding ratio - A display board with a retardation control function has a retardation control layer containing liquid crystalline polymers with a fixed orientation, and a liquid crystal layer. The display board has a voltage holding ratio of 90% or higher after a forced impurity extraction is performed on the display board with the retardation control layer in contact with the liquid crystal layer, and application of a voltage to the liquid crystal layer. The display board is capable of providing a high quality display while preventing a drop in the voltage holding ratio attributed to impurities mixed into the liquid crystal layer, and thus preventing the occurrence of display defects, such as flickering. 07-23-2009
20120069278LIQUID CYRISTAL DISPLAY ELEMENT - A simple matrix type dot-matrix liquid crystal display element includes a first and a second transparent substrate disposed opposite to each other, first and second transparent electrodes disposed on the opposed face of the first and the second transparent substrate, respectively, a first and a second vertical alignment film disposed on the opposed side of the first and the second transparent substrate to cover the first and the second electrodes, respectively, a liquid crystal layer disposed between the opposed side of the first and the second transparent substrate and having Δ∈<0 and Δnd>450 nm, and a first and a second viewing angle compensation plate disposed on the unopposed side of the first and the second transparent substrate, respectively, wherein in the first transparent electrode, openings extending in a predefined direction are aligned.03-22-2012
20090257011LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC APPARATUS - A liquid crystal display device includes a first substrate and a second substrate that are disposed to face each other, a liquid crystal layer that is pinched by the first substrate and the second substrate, a phase difference layer that is disposed on a side of the second substrate which is located on the liquid crystal layer side, a protection layer that covers a face of the phase difference layer that faces the first substrate and a side face of the phase difference layer that is connected to the face of the phase difference layer so as to be brought into contact with a base face that becomes a base of the phase difference layer, and a spacer that is disposed in a position for being overlapped with the protection layer and maintains the first substrate and the second substrate to be spaced apart by a predetermined gap. The hardness of the protection layer is higher than that of the phase difference layer.10-15-2009
20100149471Compensated In-Plane Switching Mode Liquid Crystal Display - An in-plane switching type liquid crystal display comprising (a) first and second polarizing plates facing each other and spaced from each other; (b) a liquid crystal cell situated between said first and second polarizing plates; and (c) a compensation structure located between the liquid crystal cell and the first polarizing plate; wherein the director orientation of the liquid crystal layer being controlled by an electric field parallel to the polarizing plates; one said compensation structure is positioned between the liquid crystal cell and the first polarizing plate; the polarizing plates have transmission axes perpendicular to each other, and the compensation structure comprises at least one retardation layer of supramolecules involving at least one polycyclic organic compound with a conjugated π-system and functional groups which are capable of forming non-covalent bonds between said supramolecules.06-17-2010
20090066898OPTICALLY-COMPENSATORY SHEET, ELLIPSOIDAL POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE - An optically-compensatory sheet comprises an optically anisotropic layer that comprises a liquid crystal compound, wherein the liquid crystal compound in the optically anisotropic layer has S03-12-2009
20090096970COMPLEX BIREFRINGENT MEDIUM, POLARIZING AGENT, AND LIQUID CRYSTAL DEVICE - The present invention provides a complex birefringent medium, which has the so-called inverse wavelength dispersibility, that is, a wavelength dispersibility capable of giving an optimum phase difference to a light of a wide visible wavelength range, has a wide viewing angle, can be produced by a convenient method and is excellent in a degree of adjusting freedom of inverse wavelength dispersibility and in mass productivity, a polarizing plate and a liquid crystal display device. The complex birefringent medium of the present invention is a complex birefringent medium having a structure in which a plurality of birefringent layers are laminated, wherein in the complex birefringent medium, a phase difference exhibits inverse wavelength dispersibility as the whole of the complex birefringent medium, and wherein when a principal refractive index having the maximum absolute value of a difference from an average value of three principal refractive indexes at a wavelength λ (nm) is designated as a first principal refractive index n1(λ), a normal line of the birefringent layer and a principal axis corresponding to the first principal refractive index n1(550) of the birefringent layer are in the same plane.04-16-2009
20090213311Liquid Crystal Display Device - A liquid crystal display device includes: a liquid crystal cell; and a pair of polarizing plates sandwiching the liquid crystal cell and each including a polarizer and a protective film provided on a side of the liquid crystal cell, in which transmission axes of the pair of polarizing plates are orthogonally arranged, wherein Rth(λ) of at least one of the protective films provided on the liquid crystal cell side of the polarizing plates has negative characteristics for ambient temperature, in which Rth(λ) represents a retardation in a thickness direction measured at a wavelength of λ nm.08-27-2009
20090244454LIQUID-CRYSTAL DISPLAY DEVICE - Disclosed is a liquid-crystal display device comprising a liquid-crystal cell that comprises a pair of substrates each having an electrode layer on the facing surface thereof, and a liquid-crystal layer of a liquid-crystal material disposed between the pair of substrates, a driving circuit to impart a driving voltage to the electrode layer, a pair of polarizing elements disposed to sandwich the liquid-crystal cell therebetween, and an optically-anisotropic layer disposed between at least one (first polarizing element) of the pair of polarizing elements and the liquid-crystal cell; wherein retardation in plane at a wavelength of 450 nm, Re(450), of the optically-anisotropic layer, and retardation in plane at a wavelength of 650 nm, Re(650), thereof satisfy the condition, Re(450)/Re(650)<1.25; and a voltage is applied to the electrode layers by the driving circuit, so that the ratio of retardation Re10-01-2009
20090316093LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC APPARATUS - There is provided a liquid crystal display device including a first substrate in which a first electrode and a second electrode are provided, the second electrode having a plurality of line-shaped portions that generate an electric field between the first electrode, a second substrate opposing the first substrate, a liquid crystal layer sandwiched between the first substrate and the second substrate, the liquid crystal layer being partitioned into a plurality of display pixels each of which is driven by the electric field, a polarization film arranged outside the second substrate, and an optical member film arranged outside the polarization film. The optical member film has a front phase difference whose retardation value is in the range of 120 to 160 nm, and an angle of an optical axis of the optical member film with respect to an extending direction of the plurality of line-shaped portions of the second electrode is in the range of 30 to 40 degrees or 50 to 60 degrees.12-24-2009
20110109854Color-Tunable Plasmonic Device with a Partially Modulated Refractive Index - A color-tunable plasmonic device is provided with a partially modulated refractive index. A first dielectric layer overlies a bottom electrode, and has a refractive index non-responsive to an electric field. A second dielectric layer overlies the first dielectric layer, having a refractive index responsive to an electric field. An electrically conductive top electrode overlies the second dielectric layer. A plasmonic layer including a plurality of discrete plasmonic particles is interposed between the top and bottom electrodes. In one aspect, the plasmonic layer is interposed between the first and second dielectric layers. In a second aspect, the plasmonic layer is interposed between the first dielectric layer and the bottom electrode. In a third aspect, a first plasmonic layer is interposed between the first dielectric layer and the bottom electrode, and a second plasmonic layer of discrete plasmonic particles is interposed between the first dielectric layer and the second dielectric layer.05-12-2011
20110058131VA-MODE LIQUID-CRYSTAL DISPLAY DEVICE - The present invention relates to a VA-mode liquid-crystal display device comprising a front-side polarizing element (03-10-2011
20100220271METHOD OF PRODUCING OPTICAL LAMINATE AND IMAGE DISPLAYING APPARATUS - With regard to an optical laminate having a applied film containing a lyotropic liquid crystalline compound, the present invention provides a method of producing an optical laminate that can prevent this applied film from becoming white turbidity.09-02-2010
20090147192LIQUID CRYSTAL DISPLAY DEVICE AND A METHOD OF MANUFACTURING THE SAME - Disclosed herein is a liquid crystal display device including two sheets of substrates, a liquid crystal layer sealed between the two sheets of substrates, and a retardation layer provided on the liquid crystal layer side in one of the two sheets of substrates, wherein the retardation layer has a structure in which polymerizable liquid crystal monomers are three-dimensionally cross-linked, and a retardation R(450) for a wavelength of 450 nm and a retardation R(550) for a wavelength of 550 nm fulfill a relationship of R(450)/R(550)≦1.06-11-2009
20080309861LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS - A liquid crystal device including a pair of substrates; 12-18-2008
20110249226SELF-COMPENSATING, QUASI-HOMEOTROPIC LIQUID CRYSTAL DEVICE WITH HIGH CONTRAST RATIO - Self-compensating, quasi-homeotropic liquid crystal devices overcome the contrast reducing effects of smaller pretilt angles. The devices exhibit extremely high contrast ratio but at the same time suppress fringe field-induced disclination lines in high pixel density and small pixel size quasi-homeotropic displays. The surface pretilt and cell twist angles are set at values that, in combination, contribute to establishing a cuspate singularity in the contrast ratio for normally incident light in response to a drive signal switching the liquid crystal device to the OFF director field state that provides nearly 0% optical efficiency. The OFF director field state corresponds to a subthreshold drive level that provides for the liquid crystal device self-compensation for in-plane optical retardation. Setting the cell gap (“d”) to provide substantially 100% optical efficiency in response to a value of the drive signal switching the liquid crystal device to the ON director field state achieves optimal dynamic range for the liquid crystal device.10-13-2011
20110025962LIQUID CRYSTAL DISPLAY DEVICE - A negative C plate (02-03-2011
20110025963LAMINATED OPTICAL FILM - A laminated optical film according to an embodiment of the present invention includes a polarizing plate and a retardation layer formed of a water dispersible pressure-sensitive adhesive composition containing an inorganic laminar compound.02-03-2011
20110019138RETARDATION FILM - Provided is a retardation film having an excellent front contrast. It is possible o measure a scattered light intensity of a film of a 90-degree incident light of a scattered light profile by a goniophotometer. Provided is retardation film characterized in that the difference between the scattered light intensity integration values obtained when the film slow axis is arranged horizontally and vertically on a sample table is 0.1 or below in measurement to detect a scattered light intensity at the position of 95 to 165 degrees from a light source.01-27-2011
20100149470PRECURSOR FILM FOR RETARDATION FILMS, RETARDATION FILM, AND LIQUID CRYSTAL DISPLAY DEVICE - Provided is a film that is made of a propylene-based copolymer selected from among propylene-based random copolymers and propylene-based block copolymers, the film being useful as a precursor film for the production of a retardation film by stretching. The propylene-based copolymer forming the film contains crystals containing smectic crystals, wherein the percentage of smectic crystals to all the crystals of the propylene-based copolymer. The film has an in-plane retardation of 50 nm or less and a thickness falling within the range of 30 to 200 μm. The propylene-based copolymer is a copolymer that has a parameter (A) falling within the range of from 0.0007 to 0.1, the parameter (A) being calculated from Formula (1) defined for a stress-strain curve produced as a result of stretching a film made of the polymer at a tensile rate of 100 mm/minute at a temperature at which a stress of 0.8±0.1 MPa is produced at a strain of 200%:06-17-2010
20090322997LIQUID CRYSTAL DISPLAY DEVICE - The invention relates to a liquid crystal display device of the present invention has at least a pair of transparent substrates, polymer-stabilized blue phase liquid crystal layer disposed therebetween, and a transparent film having an absolute value |Re| of in-plane retardation Re of 10 nm or smaller in the visible light region, having an absolute value |Rth| of thickness-wise retardation Rth of 30 nm or smaller in the visible light region, having an absolute value |Re(400)−Re(700)| of difference between values of in-plane retardation Re at 400 nm and 700 nm of 10 nm or smaller, and having an absolute value |Rth(400)−Rth(700)| of difference between values of thickness-wise retardation Rth at 400 nm and 700 nm of 35 nm or smaller.12-31-2009
20120120355STRUCTURE OF REFLECTIVE DISPLAY PANEL - A structure of a reflective display panel including a silicon substrate, a liquid crystal layer and a stacked compensation film layer is provided. The liquid crystal layer disposed on the silicon substrate has a first phase retardation which is within a first retardation range. The stacked compensation film layer disposed on the liquid crystal layer has a second phase retardation which is within a second retardation range. The stacked compensation film layer is selected according to an optical characteristic of the liquid crystal layer so as to increase a contrast of the reflective display panel.05-17-2012
20110075079IMAGE DISPLAY APPARATUS - A driving circuit of a liquid crystal element is simplified, both an improvement in light emission efficiency and a reduction in external light reflection are attained, and a cost reduction is realized.03-31-2011
20080266500LIQUID CRYSTAL DISPLAY DEVICE - A novel liquid crystal display device (LCD) is disclosed. The LCD comprises at least, a member of generating polarized light, a retardation member, a first polarizing element, a liquid-crystal cell and a second polarizing element, in this order, wherein the retardation member satisfies at least one condition of 10-30-2008
20110032463BI-AXIAL RETARDATION COMPENSATION FILM AND VERTICALLY ALIGNED LIQUID CRYSTAL DISPLAY USING THE SAME - The present invention relates to a vertically aligned LCD (VA-LCD) employing a bi-axial retardation compensation film, in which an in-plain refractive index (n02-10-2011
20110261306Blue Phase Liquid Crystal Display and Method for Fabricating the Same - A method for fabricating a blue phase liquid crystal display is provided. A first substrate is arranged opposite to a second substrate, in which the first and second substrates include a first and a second electrode, respectively. A blue phase liquid crystal layer is sealed between the first substrate and the second substrate, in which the blue phase liquid crystal layer includes a positive blue phase liquid crystal and a monomer. A voltage is applied to the first electrode and the second electrode such that a vertical electric field is formed. The blue phase liquid crystal layer is illuminated with a light source such that the monomer performs polymerization to produce a polymer-stabilized positive blue phase liquid crystal. A blue phase liquid crystal display is also disclosed herein.10-27-2011
20090244453Transparent Polymer Film and Method for Producing It, and Retardation Film, Polarizer and Liquid Crystal Display Device Comprising the Film - A transparent polymer film satisfying Re≧15 and Rth≦−7.5, and having a moisture permeability at 40° C. and a relative humidity of 90% of at least 100 g/(m10-01-2009
20110051061LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a transflective liquid crystal display device which is produced by a simple process with minimum increase in the production cost and which achieves both high-quality reflective display and transmissive display. The present invention relates to a vertical alignment transflective liquid crystal display device for transmissive display and reflective display. The display device includes: a back-side polarizer; a liquid crystal cell; a viewing-side polarizer; a first retardation layer; and a second retardation layer. The liquid crystal cell includes a pair of substrates and a liquid crystal layer disposed between the pair of substrates. The viewing-side polarizer has an absorption axis orthogonal to an absorption axis of the back-side polarizer. The first retardation layer is disposed between the liquid crystal layer and the viewing-side polarizer at a transmissive display region and a reflective display region, satisfies 1.5≦Nz≦9.0, has an in-plane slow axis orthogonal to the absorption axis of the viewing-side polarizer, and satisfies 20 nm≦Re(550)≦80 nm. The second retardation layer is disposed between the first retardation layer and the viewing-side polarizer at the reflective display region, and converts linearly polarized light incident from the viewing-side polarizer into circularly polarized light together with the first retardation layer when no voltage is applied.03-03-2011
20110304807LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS - A liquid crystal device which has a first and second electrodes formed on a second substrate and which controls allows alignment of liquid crystal molecules by an electric field generated between the first and second electrodes, wherein the liquid crystal molecules in the liquid crystal layer are aligned in a first direction in a plane of the substrate, wherein a phase difference layer having molecules, which are inclined in the plane of the first or second substrate and are aligned in directions different from one another in the transmissive display portion and the reflective display portion, is formed on a surface of the first or second substrate opposed to the liquid crystal layer, and wherein a director of the molecules of the phase difference layer is aligned in a second direction parallel to the first direction at least in the plane of the transmissive display portion.12-15-2011
20080204643Transparent Polymer Film, And Optical Compensatory Film, Polarizing And Liquid Crystal Display Device Comprising The Transparent Polymer Film - A transparent polymer film satisfying Re<5, |Rth|<20, |Re(700)-Re(400)|<5, |Rth(700)-Rth(400)|<20, |Re(10%)-Re(80%)|<5, and |Rth(10%)-Rth(80%)|<15, and having a moisture permeability of at least 500 g/(m08-28-2008
20090161053Process of Producing Substrate for Liquid Crystal Display Device, Substrate for Liquid Crystal Display Device, and Liquid Crystal Display Device - An easy process of producing a substrate for liquid crystal display device, which contribute to reducing the viewing angle dependence of color of a liquid crystal display device, which comprises the following steps [1] and [2] in this order: [1] subjecting a substrate having at least one optically anisotropic layer and at least one photosensitive polymer layer on a support to light exposure; [2] removing partial or entire part of the optically anisotropic layer and the photosensitive polymer layer by a physical mean.06-25-2009
20100134736LIQUID CRYSTAL MATERIAL AND OPTICAL COMPENSATED BEND MODE LIQUID CRYSTAL DISPLAY - A liquid crystal material including an optical compensated bend mode liquid crystal molecule and a bend molecule is provided. The bend molecule has a structure presented as formula (1):06-03-2010
20110063552LIQUID CRYSTAL DISPLAY DEVICE, AND LIQUID CRYSTAL CELL - Disclosed a liquid crystal display device comprising at least one polarizing plate; and a liquid crystal cell comprising a multi-domain liquid crystal layer (03-17-2011
20110317114OPTICAL COMPENSATION FILM, METHOD OF MANUFACTURING THE SAME, AND LIQUID CRYSTAL DISPLAY PROVIDED WITH THE SAME - Disclosed is an optical compensation film including a supporter, and an optical compensation layer disposed on at least one surface of the supporter and including a polymer of cholesteric liquid crystal molecules having a structure in which a plurality of parallel-arranged liquid crystal molecules are helically arranged, wherein the cholesteric liquid crystal layer has a helical axis that is bent and tilted to the supporter at an angle represented by the following Equation 1; a method of manufacturing the same; and a liquid crystal device (LCD) including the optical compensation film.12-29-2011
20100302487PHASE COMPENSATION FILM - The disclosure provides for a phase compensation film that includes nano-particles of a cross-linked polymer with a largest dimension of a quarter of a wavelength of visible light or less, and a liquid crystal substance imbibed substantially throughout the cross-linked polymer of the nano-particles to provide a phase compensation value for a pixel of a liquid crystal display.12-02-2010
20080303996OPTICAL COMPENSATION MEMBER, LIQUID CRYSTAL DISPLAY DEVICE, COMPOSITION FOR ALIGNMENT LAYER, AND ALIGNMENT LAYER - An optical compensation member is provided and includes an alignment layer, and an optical anisotropic layer composed of liquid crystal molecules and provided on the alignment layer, wherein the alignment layer contains an additive which suppresses transmission of light in a specific wavelength range.12-11-2008
20110025964LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a liquid crystal panel (02-03-2011
20120013831PROCESS OF PREPARING AN ANISOTROPIC MULTILAYER USING PARTICLE BEAM ALIGNMENT - The invention relates to a process of preparing a multilayer comprising two or more anisotropic layers with different optical axes by using a particle beam etching technique, to a multilayer obtained by said process, to the use of such a multilayer as optical compensator or retarder in optical and electrooptical devices, and to devices comprising such a multilayer.01-19-2012
20110075080RETARDATION FILM, METHOD OF PRODUCING THE RETARDATION FILM, AND POLARIZING PLATE AND LIQUID-CRYSTAL DISPLAY DEVICE HAVING THE SAME - Disclosed is a retardation film comprising, as laminated in the thickness direction thereof, at least two layers of an optically anisotropic layer A containing at least one refractivity-anisotropic substance and a polymer A and an optically anisotropic layer B containing at least one refractivity-anisotropic substance in a ratio smaller than that in the optically anisotropic layer A, or not containing a refractivity-anisotropic substance, and containing a polymer B of which the main ingredient is the same as that of the polymer A, wherein the Nz factor of the optically anisotropic layers A and B intermittently differs in the thickness direction of the film.03-31-2011
20110080546LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) including a LCD panel, a first polarizer and a second polarizer respectively disposed at two sides of the LCD, a first a-plate and a second a-plate disposed between the polarizers and LCD panel, a biaxial compensation plate and a c-plate is provided. The biaxial compensation plate is disposed between one of the polarizers and one of the a-plates. The main axis refractive indexes n04-07-2011
20110090439Retardation film, polarizing plate and liquid crystal display device - A retardation film comprising a transparent support, disposed on a surface thereof, an alignment layer and an optically anisotropic layer is disclosed. The transparent support and the optically anisotropic layer satisfy following relations:04-21-2011
20120120356OPTICAL FILM - An optical film having a desired wavelength dispersion characteristic, a low photoelastic coefficient and a desired Nz coefficient.05-17-2012
20120249939LIQUID CRYSTAL DISPLAY DEVICE WITH RETARDATION COMPENSATION - A liquid crystal device includes a twisted nematic liquid crystal panel and first and second retardation films disposed on the top and bottom sides of the twisted nematic liquid crystal panel. A retardation compensation range angle between an axis of the first retardation film and an axis of the second retardation film is smaller than a twist range angle between a first twist axis representing the average of twist angles of lower liquid crystals and a second twist axis representing the average of twist angles of upper liquid crystals in a plan view of the liquid crystal display device.10-04-2012
20100245743LIQUID CRYSTAL FRESNEL LENS - The present invention is directed to the provision of a liquid crystal Fresnel lens that achieves high focusing performance. The liquid crystal Fresnel lens according to the present invention includes a concentrically segmented ring-shaped electrode group, a common electrode disposed opposite the ring-shaped electrode group, a liquid crystal layer provided between the ring-shaped electrode group and the common electrode, a first lens segment region which includes a first plurality of ring-shaped electrodes from the ring-shaped electrode group, and which forms a first retardation distribution by utilizing the first plurality of ring-shaped electrodes, and a second lens segment region which includes a second plurality of ring-shaped electrodes from the ring-shaped electrode group, the second plurality of ring-shaped electrodes being located outwardly of the first plurality of ring-shaped electrodes, and which forms a second retardation distribution by utilizing the second plurality of ring-shaped electrodes, wherein a Fresnel lens-like retardation distribution is formed across the first and second lens segment regions, and the number of the second plurality of ring-shaped electrodes is made smaller than the number of the first plurality of ring-shaped electrodes.09-30-2010
20100245742IMAGE DISPLAY APPARATUS AND VIEWING ANGLE COMPENSATION METHOD - An image display apparatus includes: a light source; a light modulator that modulates the light flux emitted from the light source, the light modulator including a liquid crystal panel in which liquid crystal molecules are sealed, the liquid crystal panel having a modulation area where an incident light flux is modulated, and a pair of polarizing elements disposed on opposite sides of the liquid crystal panel, on the light flux incident side and the light flux exiting side thereof; and a compensating element disposed between at least one of the pair of polarizing elements and the modulation area, the compensating element compensating an optical phase difference resulting from birefringence associated with the liquid crystal molecules, wherein the compensating element is sized to be smaller than the modulation area and disposed based on the viewing angle characteristics of the modulation area.09-30-2010
20100208180Negative Birefringement Polyester Films For LCD - A non-stretched, negative birefringent copolyester film, which has been solution cast from toluene and/or MIBK and mixtures of these with other solvents on a substrate, and has a Δn08-19-2010
20100188625IN-PLANE SWITCHING LIQUID CRYSTAL DISPLAY INCLUDING VIEWING ANGLE COMPENSATION FILM USING +A-PLATE - Disclosed is an in-plane switching liquid crystal display. The in-plane switching liquid crystal display uses at least one A-plate and adjusts the optical axis direction and the retardation value of the A-plate, thereby improving the contrast characteristic at a front and at a predetermined inclination angle of the in-plane switching liquid crystal display while minimizing a color shift according to viewing angles in the black state.07-29-2010
20100007828TN-MODE LIQUID CRYSTAL DISPLAY DEVICE, OPTICAL COMPENSATORY FILM FOR USE THEREIN AND METHOD FOR PRODUCING OPTICAL COMPENSATORY FILM, AND POLARIZING PLATE - An optical compensatory film of a laminated structure comprising a first optically anisotropic layer having an Re(550) of 20 to 100 nm wherein retardation at a wavelength of 550 nm is never 0 nm along any direction and the direction along which the absolute value of retardation at a wavelength of 550 nm reaches minimum does not exist along the normal direction of the layer or on the in-plane of the layer; and a second optically anisotropic layer having an Re(550) of 20 to 150 nm and an Rth(550) of 40 to 110 nm with Re(450) Re(550)<−3 nm and Rth(450)−Rth(550)>3 nm.01-14-2010
20100007827WIRE-GRID POLARIZER, METHOD FOR PRODUCING THE WIRE-GRID POLARIZER, RETARDATION FILM AND LIQUID CRYSTAL DISPLAY DEVICE USING THE RETARDATION FILM - A method for producing a wire-grid polarizer includes the steps of preparing a resin film including a concave part formed thereon, the concave part having a submicron-sized grating pattern, the resin film having a visible light transmittance of 80% or more; filling the concave part with an electroconductive nano-material having an average diameter equal to or smaller than one-half of an average line width of the concave part; and removing the electroconductive non-material which has not been filled into the concave part.01-14-2010
20090021677COMPOSITE RETARDATION PLATE, ITS PRODUCTION METHOD, COMPOSITE OPTICAL MEMBER AND LIQUID CRYSTAL DISPLAY - There is provided a composite retardation plate (01-22-2009
20100231835BIAXIAL BIREFRINGENT COMPONENT, LIQUID CRYSTAL PROJECTOR, AND METHOD FOR MANUFACTURING BIAXIAL BIREFRINGENT COMPONENT - A phase compensator having a biaxial birefringent component (09-16-2010
20100220273SUBSTRATE FOR LIQUID CRYSTAL DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A substrate for liquid crystal display device comprising, between a substrate and a color filter layer, a positive uniaxial optically anisotropic layer having an optical axis in an in-plane direction of the substrate and a negative uniaxial optically anisotropic layer having an optical axis in a direction perpendicular to the substrate surface, which can provide a vertical alignment (VA)-mode liquid crystal display device with excellent contrast-viewing angle characteristics.09-02-2010
20110292328Patterned Retarder Film and Method for Manufacturing the Same - A patterned retarder film with a plurality of first retardation regions and a plurality of second retardation regions and a method for manufacturing the same are provided. The method includes providing a base film; forming an alignment layer on a first surface of the base film; coating a liquid crystal material on the alignment layer as a liquid crystal layer; aligning the liquid crystal layer with the alignment layer; embossing the liquid crystal layer with a predetermined pattern to form a patterned layer with a plurality of first and second retardation regions. The structure of the first and second retardation regions are grating-like stripe structure and parallel to each other and the structure of the second retardation regions are grooving-like stripe structure and interleaved with each other. The patterned liquid crystal layer is cured. The phase retardation of the first and second retardation regions is different by 180°.12-01-2011
20120327342OPTICAL COMPENSATION FILM AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - A compensation film for a liquid crystal film includes a first layer including splayed rod-shaped nematic liquid crystal material and a second layer disposed on a surface of the first layer and including at least one of a biaxial layer and an A-plate.12-27-2012
20120327343POLYMER FILM, OPTICALLY-COMPENSATORY FILM, PROCESS FOR PRODUCING THE SAME, POLARIZING PLATE AND LIQUID-CRYSTAL DISPLAY DEVICE - A polymer film that has: a ratio R (VT/VM) of a sound velocity in a transverse direction VT to a sound velocity in a machine direction VM of from 1.05 to 1.50; and an in-plane retardation Re(λ) and a thickness-direction retardation Rth(λ) satisfying formula (I): (I) 0≦Re(630)≦10, and |Rth(630)|25, wherein Re(λ) represents an in-plane retardation at a wavelength of λ (nm); and Rth(λ) represents a thickness-direction retardation at a wavelength of λ (nm).12-27-2012
20120287387OCB Liquid Crystal Panel and Manufacturing Method Thereof, and OCB Liquid Crystal Display - The present invention discloses a manufacturing method of an Optically Compensated Bend (OCB) liquid crystal panel, which comprises: an arranging step S11-15-2012
20130010243MANUFACTURING METHOD OF ROLLER FOR PHASE RETARDATION FILM, METHOD FOR MANUFACTURING PHASE RETARDATION FILM BY ROLLER AND PHASE RETARDATION FILM THEREFORM - A phase retardation film, a manufacturing method thereof and a manufacturing method of a roller used in the manufacturing method are provided. The phase retardation film includes a base film, a patterned resin layer and a phase retardation layer. The patterned resin layer having a plurality of first regions and a plurality of second regions is formed on the base film. The patterned resin layer includes a submicro-scratch structure. The angle between the direction of the submicro-scratch structure and the extending direction of the first and second regions is 45°. A liquid crystal material is disposed on the submicro-scratch structure of the patterned resin layer to form the phase retardation layer. The phase difference between a first phase retardation and a second phase retardation is 180°.01-10-2013
20130016316OPTICAL COMPENSATION FILM AND METHOD FOR MANUFACTURING THE SAMEAANM CHENG; Meng-ChiaAACI Taoyuan CountyAACO TWAAGP CHENG; Meng-Chia Taoyuan County TWAANM WU; Lung-HaiAACI Taoyuan CityAACO TWAAGP WU; Lung-Hai Taoyuan City TWAANM KUO; Chen-KuanAACI New Taipei CityAACO TWAAGP KUO; Chen-Kuan New Taipei City TW - An optical compensation film for a liquid crystal display is provided and comprises a liquid crystal layer which is disposed on a substrate and has a plurality of first stripe-structure regions with a first thickness and a plurality of second stripe-structure regions with a second thickness, wherein each of the second stripe-structure regions is contiguous to at least one of the first stripe-structure region and the second thickness is greater than the first thickness. The method for manufacturing the optical compensation film is provided.01-17-2013
20080231784LIQUID-CRYSTAL DISPLAY DEVICE - A liquid-crystal display device comprising a liquid-crystal cell with plural domains and a transparent film comprising at least two domains that differ in in-plane retardation (Re) and/or thickness-direction retardation (Rth) for a visible light wavelength λ nm is disclosed. The domains of the transparent film and the domains of the liquid-crystal cell have no correlation in terms of their arrangement and/or size.09-25-2008
20130176520DISPLAY DEVICE - A display includes a display panel including a plurality of pixels, a polarizer disposed on a first side of the display panel, a phase retardation film disposed on the polarizer and glasses comprising a first eye glass portion and a second eye glass portion, wherein at least one of the plurality of pixels includes a first sub-pixel and a second sub-pixel, and the phase retardation film includes a first phase retardation portion corresponding to the first sub-pixel and a second phase retardation portion corresponding to the second sub-pixel.07-11-2013
20100085521Composition of Organic Compounds, Optical Film and Method of Production Thereof - A composition includes at least one organic compound of a first type of the general formula I and at least one organic compound of a second type of the general structural formula II, wherein Core in formula I is a conjugated organic unit capable of forming a rigid rod-like macromolecule, Gk is a set of ionogenic side-groups providing solubility of the organic compound of the first type in a solvent and give rigidity to the rod-like macromolecule; and wherein Sys in formula II is an at least partially conjugated substantially planar polycyclic molecular system capable of forming board-like supramolecules via π-π-interaction, and X, Y, Z and Q are substituents. The composition is capable of forming a lyotropic liquid crystal solution, which can form a solid retardation layer of biaxial type substantially transparent to electromagnetic radiation in the visible spectral range. The type and degree of biaxiality of the said optical retardation layer is controlled by a molar ratio of the organic compounds of the first and the second type in the composition. An optical film comprising a solid retardation layer formed of the composition, a method of producing the optical film, and a vertical alignment liquid crystal display using said retardation layer are also provided.04-08-2010
20080218671TRANSPARENT PROTECTIVE FILM, OPTICAL COMPENSATION FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY DEVICE - To provides a transparent protective film, an optical compensation film, a polarizing plate, and a liquid crystal display device in which the variation of Rth in response to variations in humidity of the environment in which they are used is sufficiently small. The protective film in accordance with the present invention is a transparent protective film that satisfies the following Formulas (I) to (III) at a relative humidity of 60% RH; Formula (I): 0≦Re09-11-2008
20130141680OPTICAL FILM - The present invention provides an optical film with functions of light collimating, light polarization for brightness enhancement and limiting viewing angle and a method for preparing the same. The optical film includes a plurality of layers of a cholesteric liquid crystal film bound together via an optical adhesive and a quarter-wavelength retardation plate bound with the cholesteric liquid crystal film via the optical adhesive. Therein, at least one layer of the cholesteric liquid crystal film has a polarized separated wavelength range covering the wavelength range of visible light of three primary colors of red, green and blue.06-06-2013
20080212002Method of manufacturing optical compensation sheet and the optical compensation sheet - A method of manufacturing an optical compensation sheet, comprising the steps of: 09-04-2008
20100014033BASE MATERIAL FOR DISPLAY PANEL, METHOD FOR MANUFACTURING THE BASE MATERIAL, AND DISPLAY PANEL - A liquid crystal display panel in which a retardation layer is disposed in the inner side of a cell is provided. The liquid crystal display panel can improve the close adhesiveness between the retardation layer in the seal region and the base material of the liquid crystal display panel substrate constituting the liquid crystal cell, whereby leakage of light can be prevented; the rigidity of the liquid crystal cell can be improved; and the common defects of each panel can be eliminated. Also, a display panel base material for such a liquid crystal display panel and a method of manufacturing the same are provided. On a sheet-shaped base material 01-21-2010
20130141681LAMINATE, OPTICAL FILM AND PRODUCTION METHOD FOR THESE, POLARIZING PLATE, IMAGE DISPLAY DEVICE, THREE-DIMENSIONAL IMAGE DISPLAY SYSTEM - A laminate comprising a transparent support and, as formed on the transparent support, a patterned alignment control layer containing a first alignment control region and a second alignment control region each having an alignment control surface, in which the two regions differ from each other in point of the composition thereof and in point of the alignment-controlling capability thereof, in which the individual alignment control surfaces are alternately positioned in the patterned alignment control layer, and in which the alignment control surfaces of the first alignment control region and the second alignment control region can control liquid crystals in such a manner that the long axes of the aligned liquid crystals could be vertical to each other in the plane parallel to the alignment control surfaces.06-06-2013
20110234952OPTICAL FILM AND METHOD FOR PRODUCING SAME, POLARIZER, AND LIQUID CRYSTAL DISPLAY DEVICE - An optical film comprising a thermoplastic resin, which is such that the slow axis direction in the film plane differs from the film tilt direction and the birefringence of a sliced section of the film that contains the tilt direction and the thickness direction in the plane varies in the thickness direction of the film.09-29-2011
20120274888OPTICALLY ANISOTROPIC SUBSTANCE - A polyamic acid-type photo-alignment layer in a heating process only below approximately 140° C., and an optically anisotropic substance in which various polymerizable liquid crystal compositions are uniformly oriented by use of the layer are provided. An optically anisotropic substance obtained by applying a polyamic acid varnish which is a composition including a polyamic acid having a divalent azobenzene group in the principal chain or its derivative, or a composition including a mixture of both this polyamic acid or its derivative and other polyamic acids or its derivative as a polymer component, to a supporting substrate, by drying the resultant layer at a temperature range of approximately 50° C. to approximately 140° C., by carrying out alignment treatment by irradiation of the layer with light, applying a polymerizable liquid crystal composition to a alignment layer formed by means of the treatment, and polymerizing the composition.11-01-2012
20130155359BIAXIAL RETARDATION FILM AND FABRICATION METHOD THEREOF - A biaxial retardation film is disclosed, including a substrate, wherein the substrate includes an alignment film thereon or an alignment-treated surface; and an optically anisotropic coating on the substrate, wherein the optically anisotropic coating includes a top layer and a bottom layer, wherein the bottom layer is a parallel aligned liquid crystal layer along an alignment direction of the substrate, and the top layer is a vertically aligned hexagonal pillar array liquid crystal layer, wherein three-dimensional refractive indices of the optically anisotropic coating satisfy a relationship n06-20-2013
20090167999RETARDATION FILM, OPTICAL LAMINATED BODY, LIQUID CRYSTAL PANEL, AND LIQUID CRYSTAL DISPLAY - The retardation film of the present invention contains a thermoplastic polymer having at least a side chain component (A) oriented in a direction substantially orthogonal to a slow axis, and the absorption edge wavelength (λ07-02-2009
20120002148LIQUID CRYSTAL DISPLAY PANEL - A liquid crystal display panel including an active device array substrate, an opposite substrate, and a liquid crystal layer is provided. The active device array substrate includes a plurality of pixel electrodes and each of the pixel electrodes includes a plurality of sets of stripe patterns extending along different directions. Each of the stripe patterns has a width of L and a space between two neighboring stripe patterns is S. The opposite substrate is disposed over the active device array substrate. The liquid crystal layer is disposed between the active device array substrate and the opposite substrate. A cell gap between the active device array substrate and the opposite substrate is d, birefringence of the liquid crystal layer is Δn, and dielectric anisotropy of the liquid crystal layer is Δ∈, wherein S, d, Δn, and Δ∈ comply with the inequality: S/|Δ∈|≦2.8×Δn×d.01-05-2012
20120019752DISPLAY, ELECTRONIC DEVICE AND DISPLAY METHOD OF DISPLAY - A display including a display panel and a switchable retarder is provided. The switchable retarder disposed on a light path of a polarized image having a first polarization provided by the display panel and includes a first substrate, first electrode stripes, second electrode stripes, and a retardation medium. The first electrode stripes and the second electrode stripes are disposed between the display panel and the first substrate, and are electrically independent from each other. A retardation region is defined by each first electrode stripe and one second electrode stripe. The retardation medium is located at a side of the first electrode stripes and at a side of the second electrode stripes, and is controlled by an electric field in the corresponding retardation region such that each retardation region provides a retardation. Accordingly, the polarized image having the first polarization is transformed into the polarized image having a second polarization.01-26-2012

Patent applications in class Compensator or retarder (i.e., not using liquid crystal cell)

Patent applications in all subclasses Compensator or retarder (i.e., not using liquid crystal cell)