Abstract: Provided is a liquid crystal display device of VAIPS mode, which uses a liquid crystal material having negative dielectric anisotropy (??<0), and has a high response speed, a wide viewing angle, a high transmittance at the time of light transmission, a high black level at the time of light blockage, and an excellent contrast ratio.

Abstract: By providing a pixel electrode layer in a center of a liquid crystal layer sandwiched between a first common electrode layer and a second common electrode layer, a structure in which the following two optical elements are stacked can be obtained: a first liquid crystal element including the first common electrode layer, the liquid crystal layer, and the pixel electrode layer; and a second liquid crystal element including the pixel electrode layer, the liquid crystal layer, and the second common electrode layer.

Abstract: The present invention provides a liquid crystal polyester composition, comprising (i) 100 parts by weight of a liquid crystal polyester, and (ii) 65 to 100 parts by weight of a combination of a fibrous filler with a plate-like filler, wherein the fibrous filler has a number-average fiber diameter of 5 to 15 ?m, and a number-average aspect ratio of 20 to 40, and a content ratio by weight of the fibrous filler to the plate-like filler is more than 1.0 and 1.6 or less; and a process for producing the liquid crystal polyester composition comprising a step of melt-kneading the above respective components with one another.

Abstract: A display device comprises: a first substrate; a second substrate opposite the first substrate; an electrode unit formed on one or both of the first substrate and the second substrate, and configured to form an electric field between the first substrate and the second substrate; and a polymer dispersed liquid crystal layer located so as to correspond to the electric field formed between the first substrate and the second substrate, and having a reflector configured to reflect light.

Abstract: According to example embodiments, a reflective display device includes a plurality of pixel units. Each of the plurality of pixel units may include a reflective plate having at least one concave reflective surface, a first electrode on the reflective plate, a second electrode separate from the first electrode, at least one light-absorbing member corresponding to the at least one concave reflective surface, and a polymer dispersed liquid crystal PDLC layer between the first electrode and the second electrode. The PDLC layer includes a polymer and liquid crystals. The light-absorbing member may be at a focus position of the at least one concave reflective surface.

Abstract: A process for producing a liquid crystal display device enabling to produce with simple process, and such a liquid crystal display device, are provided. A process for producing a liquid crystal display device comprising: a step of forming transparent electrodes (41, 42) on first and second substrates (11, 12); a step of applying an uncured raw seal material; a step of dropping a first functional material; a step of dropping a second functional material; a step of sandwiching the raw seal material (13a, 14a), the first functional material (32a) and the second functional material (31a) between the first and second substrates under a predetermined reduced pressure atmosphere, and thereby forming a sealed product wherein the first functional material is isolated from the second functional material by the raw seal material and sealed between the first and the second substrates; a step of exposing the sealed product to a normal atmospheric pressure; and a step of curing at least the raw seal material.

Abstract: A display device comprising an array of encapsulated pixels. The encapsulating pixel includes an optical element which is altered from a first optical state to a second optical state upon when a potential difference is generated across it. The optical element is in contact with two electrodes which are connected to a pixel driver for generating the potential difference. The encapsulated pixel is hermetically sealed from the environment by a sealing layer and the driver receives power wirelessly via an inductive power transmission system.

Abstract: An embodiment of the present invention discloses a transparent display unit with improved transmittance. The transparent display unit comprises: an upper substrate comprising an upper transparent electrode and an upper alignment film in sequence from top to bottom; a lower substrate comprising a lower transparent electrode and a lower alignment film in sequence from bottom to top; and at least a colorful holographic polymer dispersed liquid crystal (H-PDLC) layer located between the upper substrate and the lower substrate.

Abstract: Example embodiments are directed to a reflective color display device including a first substrate and a second substrate spaced apart from each other; a plurality of first and second electrodes respectively on the first and second substrates; a polymer dispersed liquid crystal (PDLC) layer between the first and second electrodes and including a polymer and liquid crystals in the polymer; and a CMY color filter on the second substrate.

Abstract: The present invention relates to a liquid crystal display, wherein arrangement of liquid crystal molecules thereof is controlled by using a monomer that is polymerized by ultraviolet rays to provide a pre-tilt. To prevent damage to organic material layers when irradiating ultraviolet rays to the monomer, a blocking film made of an ultraviolet absorbing agent is formed on or over at least one such layer.

Abstract: A liquid crystal display device comprises a first substrate, a thin film transistor over an upper surface the first substrate, an interlayer insulating film formed over the thin film transistor, a first insulating layer formed over the interlayer insulating film, a second insulating layer formed over the interlayer insulating film, an electrode electrically connected to the thin film transistor wherein a portion of the electrode is formed on at least side surfaces of the first insulating layer, a common electrode formed over the interlayer insulating film wherein a portion of the common electrode is formed on at least side surfaces of the second insulating layer such that an electric field is produced by the common electrode and the electrode, a second substrate opposed to the first substrate, and a mixture containing a polymer and a liquid crystal between the first substrate and the second substrate. The electric field is applied to the mixture.

Abstract: A polymer-dispersed liquid crystal system has a continuous polymer structure having defined therein a plurality of discrete bodies of liquid crystal material. The bodies of liquid crystal material exhibit a polydomain operating state in which the liquid crystal material within each body is arranged in multiple domains, each domain being defined by a quantity of liquid crystal material whose molecules have a substantially common identifiable alignment in at least one axis, wherein the resolved alignments of neighboring domains diverge substantially from one another and are stable over time.

Abstract: A display structure is described comprising a displaying medium, a backplane provided with an active matrix and a pixel pad comprising a plurality of pixels having an inter-pixel spacing, said pixel pad superposing the active matrix, wherein the inter-pixel spacing is in the range of 2.5-40 micrometers, preferably in the range of 8-20 micrometers.

Abstract: The present invention relates to liquid-crystalline media (LC media) having negative or positive dielectric anisotropy comprising self-aligning mesogens (SAMs) which effect homeotropic (vertical) alignment of the LC media at a surface or the cell walls of a liquid-crystal display (LC display). The invention therefore also encompasses LC displays having homeotropic alignment of the liquid-crystalline medium (LC medium) without conventional imide alignment layers. The LC media may be supplemented by a polymerisable or polymerised component, which serves for stabilisation of the alignment, for adjustment of the tilt angle and/or as passivation layer.

Abstract: A game machine includes: a liquid crystal display including a liquid crystal panel and a back light unit disposed; and at least one reel which is disposed behind the back light unit and on which a plurality of symbols are disposed. The back light unit includes: a pair of transparent plates which are disposed to face each other, transparent electrodes being formed on corresponding predetermined areas the transparent plates; a polymer dispersed liquid crystal layer which is formed in a space between the transparent plates; and a light source module including a frame which is disposed behind the transparent plates, an area of the frame corresponding to the predetermined area being empty or transparent, and a planar light source or a plurality of light sources which is mounted to the frame to be disposed at an area corresponding to the predetermined area of the transparent plates.

Abstract: In certain embodiments, a system may include a housing, one or more lenses, and a scanning system. The housing has an interior region. A lens is disposed within the interior region and transmits a light beam. The scanning system is disposed within the interior region and comprises a number of scanning cells, where each scanning cell comprises an electro-optical (EO) material. The scanning system performs the following for a number of iterations to yield a spot pattern: receive one or more voltages and electrically steer the light beam with the EO material from a current direction to a next direction in response to the voltages.

Abstract: A cholesteric liquid crystal display device includes: a plurality of pixel units arranged two-dimensionally between two transparent substrates. Each of the plurality of pixel units includes a cholesteric liquid crystal layer having a single-layer structure. The cholesteric liquid crystal layer includes: a liquid crystal molecule; a chiral dopant; and an optically polymerizable polymer. The chiral dopant is mixed with the liquid crystal molecule to form a cholesteric phase and has a solubility that varies with respect to the liquid crystal molecule according to temperature. The optically polymerizable polymer is cured to fix a helix pitch of the cholesteric phase.

Abstract: A liquid crystal device includes a pair of substrates, a liquid crystal disposed between the pair of substrates, and a seal member disposed around the liquid crystal, wherein a liquid crystal storage portion is disposed in the inner circumference of the seal member by forming a concave portion on the substrate.

Abstract: There are provided a polymer dispersed liquid crystal (PDLC) display not using a backlight unit and a method of fabricating the same. The PDLC display comprises a rear substrate over which a thin film transistor (TFT), a first electrode, and a second electrode are formed, a front substrate apart from the rear substrate and having a first black matrix formed thereon corresponding to a region where the TFT is formed, a PDLC layer disposed below the first black matrix and formed between the front and rear substrates, a light source formed on one side of the PDLC layer and configured to provide light to the side of the PDLC layer, and a first reflection plate formed on the other side of the PDLC layer and configured to reflect light incident via the PDLC layer.

Abstract: A light source device has a transparent/scattering state switching element for switching the range of irradiation angles, and liquid crystal molecules and dichroic dye molecules are dispersed in a polymer matrix in the PDLC layer of the transparent/scattering state switching element. The range of irradiation angles can thereby be switched, and the color can be prevented from changing when the radiation angle is switched.

Abstract: An object is to provide a liquid crystal composition which exhibits a blue phase in a wide temperature range. Another object is to provide a liquid crystal composition which exhibits a blue phase, with which high contrast can be provided, in a liquid crystal display device. A liquid crystal composition which exhibits a blue phase includes: a nematic liquid crystal including a compound represented by a structural formula (100) (PPEP-5FCNF (abbreviation)); and a chiral agent. In a liquid crystal display device, a liquid crystal layer is formed using the liquid crystal composition including a nematic liquid crystal including a compound represented by a structural formula (100) (PPEP-5FCNF (abbreviation)) and a chiral agent, and the liquid crystal composition exhibits a blue phase.

Abstract: Provided are a liquid crystal composition containing, as a first component, a polymerizable compound represented by general formula (I): R11—S11-L11-(M11-L12)m-M12-L13-(M13-L14)n-Z11??(I) and a liquid crystal display element using the liquid crystal composition.

Abstract: To provide a small-size display device of a simple structure which can perform both of superimpose display and finder field-of-view control.

Abstract: The invention provides an illumination device (1), arranged to provide illumination device light (250). The illumination device (1) comprising a light chamber (100), an electrically variable scattering element (500), and a controller (600). The light chamber (100) contains a light emitting diode (10) (LED) arranged to emit LED light (20); comprises a luminescent material layer (200) arranged remote from the LED (10) and arranged to absorb at least part of the LED light (20) and emit luminescent material emission (220); and comprises an exit face (301), through which one or more of the LED light (20) and the luminescent material emission (220) may escape to the exterior (22) of the light chamber (100) thereby providing illumination device light (250). The electrically variable scattering element (500) is arranged downstream of the luminescent material layer (200) and upstream of the exit face (301).

Abstract: Provided are a liquid crystal composition containing, as a first component, a polymerizable compound represented by general formula (I): (Z11)m11-M11-(L11-M12)n11-COO-(M13-L12)n12-M14-(Z12)m12??(I) and a liquid crystal display element using the liquid crystal composition.

Abstract: A liquid crystalline compound shown by the following formula (I). wherein R1 to R13 represent a hydrogen atom, a fluorine atom, a methyl group, a trifluoromethoxy group, or a cyano group, X represents —O—, —O—CO—, or the like, n is 0 or 1, and R14 represents -A-CO—CH?CH2, wherein A is a linking group. The liquid crystalline compound has a higher liquid crystal phase upper limit temperature, is chemically stable, can be inexpensively produced, and exhibits a large selective reflection wavelength zone ?? (a large ?n). A liquid crystalline composition comprising the liquid crystalline compounds, an optical film having a liquid crystal layer formed using the liquid crystalline composition, and an optical laminate comprising a substrate, an alignment film formed on the substrate, a liquid crystal layer formed using the liquid crystalline composition on the alignment film are also disclosed.

Abstract: A display device includes a light source, an optical waveguide, a light-extracting portion, a liquid crystal dispersion layer and a drive circuit. The optical waveguide has two ends to guide light from one of the two ends to the other end. The light is emitted by the light source. The light-extracting portion is provided to a side face of the optical waveguide. The liquid crystal dispersion layer is included in the light-extracting portion and includes liquid crystal droplets whose mean diameter is 100 nm or less. The drive circuit applies a voltage to the light-extracting portion to generate an electric field in the liquid crystal dispersion layer so that the light transmitting through the optical waveguide is scattered to be extracted.

Abstract: A screen includes a polymer-dispersed liquid crystal layer including liquid crystal molecules, and polymer molecules different from the liquid crystal molecules, a twist angle of the polymer molecules is equal to or larger than 180°, and the polymer-dispersed liquid crystal layer comes into a first state of transmitting light entering the polymer-dispersed liquid crystal layer in a period in which an electric field fails to act on the polymer-dispersed liquid crystal layer, and comes into a second state of scattering the light entering the polymer-dispersed liquid crystal layer in a period in which the electric field acts on the polymer-dispersed liquid crystal layer.

Abstract: A flat display device is provided. The flat display device a substrate divided into an active region for displaying an image and a peripheral region that does not display the image, and includes: a gate line that crosses a data line to define a pixel region in the active region; a thin film transistor in a region near a crossing of the gate line and the data line; a first common electrode in the pixel region; a storage electrode on the first common electrode to provide storage capacitance; a pixel electrode electrically connected with the storage electrode and overlapping the pixel region, the data line, and the gate line; and an ink film covering the active region and the peripheral region, and having microcapsules including charged particles.

Abstract: The instant invention relates to mesogenic systems comprising a) a polymeric component, component A, obtained or obtainable from polymerisation of a precursor comprising one or more mesogenic mono-reactive compounds, one or more di-reactive compounds, which optionally are also mesogenic compounds and optionally a photo-initiator and a low molecular weight component, component B, comprising one or more mono-reactive, mesogenic compounds, one or more mesogenic compounds and one or more chiral dopants, exhibiting a Blue Phase, as well as to the use of these systems in deices and to these devices.

Abstract: An imaging system (200), such as a scanned laser projection system, includes one or more laser sources (201) configured to produce one or more light beams (204), and a light modulator (203) configured to produce images (206) from the light beams (204). Optional optical alignment devices (220) can be used to orient the light beams (204) into a combined light beam (205). A beam separator (221), which can be any of a birefringent wedge, compensated birefringent wedge, or a polymerized liquid crystal layer, is disposed between at least one of the laser sources (201) and the light modulator (203). The beam separator (221) is configured to receive light from the laser sources (201) and deliver two angularly separated and orthogonally polarized light beams (223) to the light modulator (203) so as to reduce speckle appearing when the images (206) are displayed on a display surface (207).

Abstract: A light-regulation membrane easy for installation and maintenance is disclosed to include a PDLC film having two conducting layers prepared by high-reflection black and transparent materials made by means of depositing titanium oxide on a base layer of polyethylene terephthalate by means of spattering deposition and electrically connected to an external power source and a liquid crystal layer sandwiched between the conducting layers, a surface structure consisting of a hard coating layer and an anti-stain layer on one side of the PDLC film, and an adhesion layer formed the opposite side of PDLC film and releasably adhered to a transparent object. So, the transparency of the light-regulation membrane can be regulated from opaque to clear or reversely while the transmittance of the PDLC film being adjusted by the power, and then any light source passing through the light-regulation membrane can be controlled.

Abstract: A liquid crystal display structure is provided. The liquid crystal display structure includes a liquid crystal panel and a backlight module. The liquid crystal panel has a liquid crystal layer including photo-polymerizable monomers. The backlight module has a light emitting unit for emitting an output light. A difference between the smallest value of the spectrum interval of the output light and the largest value of the absorption spectrum interval of the photo-polymerizable monomer in the liquid crystal layer is larger than or equal to 40 nm.

Abstract: A substrate for a flexible display device comprises a flexible film of a thickness and an array of micro structures in the flexible film. The flexible film has a first surface and a second surface spaced apart from the first surface by the thickness of the film. Each micro structure includes a chamber formed into the flexible film from the first surface, wherein the chamber has a concave portion near the second surface.

Abstract: The invention relates to new cyclohexylene reactive mesogens (RM), polymers derived thereof, liquid crystal (LC) media comprising them, and the use of the compounds, polymers and liquid crystalline media in optical, electrooptical, electronic, semiconducting or luminescent components or devices, in decorative, security, cosmetic or diagnostic applications, especially in the polymer stabilised blue phase.

Abstract: A process for producing a liquid crystal display device enabling to produce with simple process, and such a liquid crystal display device, are provided, the process comprising: a step of forming transparent electrodes (41, 42) on first and second substrates (11, 12); a step of applying an uncured raw seal material; a step of dropping a first functional material; a step of dropping a second functional material; a step of sandwiching the raw seal material (13a, 14a), the first functional material (32a) and the second functional material (31a) between the first and second substrates under a predetermined reduced pressure atmosphere, and thereby forming a sealed product wherein the first functional material is isolated from the second functional material by the raw seal material and sealed between the first and the second substrates; a step of exposing the sealed product to a normal atmospheric pressure; and a step of curing at least the raw seal material.

Abstract: A spatial light modulator includes a first transparent substrate; a second transparent substrate; a phase modulation unit disposed between the first transparent substrate and the second transparent substrate and configured to modulate a phase of light passing through the phase modulation unit by changing an optical path length of the phase modulation unit according to a voltage applied to the phase modulation unit; and an amplitude modulation unit disposed between the first transparent substrate and the second transparent substrate and configured to modulate an amplitude of light passing through the amplitude modulation unit according to a voltage applied to the amplitude modulation unit.

Abstract: An electrically controlled medium for modulating light includes two plastic thin film layers (1) and (2), and a mixture layer (3) is arranged between the two plastic thin film layers (1) and (2). The mixture layer (3) is consisted of smectic liquid crystals (31), polymer materials (33) and dopants (32). Electrode layers (4) are coated on one side of each of the two plastic thin film layers (1) and (2) facing to the mixture layer (3), and the electrode layers (4) are connected to a device of electrical driving system (5). The liquid crystal molecules are allowed to exhibit different molecule alignments by controlling the amplitude, frequency and driving time of the electric power applied to the electrode layers (4), so that the electrically controlled medium for modulating light can be switched between a blurredly scattering state and a fully transparent state, even may be switched among a plurality of gradual translucent states of different gray levels.

Abstract: A diffractive display device includes a first substrate, a second substrate, first illuminating means, second illuminating means, and an optical material layer. The optical material layer includes a first portion and a second portion. The first portion includes a first diffraction display section in which first refractive index isotropic regions and first refractive index anisotropic regions are inclined with respect to the output surface of the first substrate. The second portion includes a second diffraction display section in which second refractive index isotropic regions and second refractive index anisotropic regions are inclined with respect to the output surface of the first substrate.

Abstract: The invention relates to a display cell, comprising two transparent, equidistant plates, wherein the gap between the plates is filled with a liquid-crystal material-containing layer, characterized in that the liquid-crystal material-containing layer is inhomogeneous and anisotropic, wherein it has a first region made up of compartments, which comprise entirely, substantially or mainly liquid-crystal material, and a second, coherent region which comprises entirely, substantially or mainly an organic polymer material and surrounds the compartments made of liquid-crystal material. In addition, the invention relates to a liquid-crystal material-containing mixture which can be used to produce the layer between the plates, and to a method for producing the display cell.

Abstract: The invention relates to novel fluorene derivatives, which are especially suitable for use in birefringent films with negative optical dispersion, to novel liquid crystal (LC) formulations and polymer films comprising them, and to the use of the fluorene derivatives, formulations and films in optical, electrooptical, electronic, semiconducting or luminescent components or devices.

Abstract: A composition for a liquid crystal film includes: 100 parts by weight of a vertically aligned liquid crystal mixture; 0.001-20 parts by weight of a chiral dopant; and 50-900 parts by weight of a solvent.

Abstract: A display device comprising an array of encapsulated pixels. The encapsulating pixel includes an optical element which is altered from a first optical state to a second optical state upon when a potential difference is generated across it. The optical element is in contact with two electrodes which are connected to a pixel driver for generating the potential difference. The encapsulated pixel is hermetically sealed from the environment by a sealing layer and the driver receives power wirelessly via an inductive power transmission system.

Abstract: The invention features electronic skin including an active layer formed of bistable cholesteric liquid crystal material and articles comprising the skin, the electronic skin having uniform gray scale reflectivity. Also featured is method for producing suitable reduction pulses that will provide a display (e.g., the electronic skin) with uniform gray scale reflectivity. Reduction pulses of narrow width are used to create uniform levels of gray in the electronic skin to overcome display imperfections that cause discontinuity in the gray scale reflectivity.

Abstract: A liquid crystal display device (100) according to the present invention includes: a scattering liquid crystal panel (110) including a scattering-type liquid crystal layer (140) which is capable of taking a transparent state; and a scattering state and a retroreflection plate (150). The scattering liquid crystal panel (110) before being combined with the retroreflection plate (150) satisfies the relationship of 0.45?log(I0-10/I20-30)?1.48, where, regarding light which enters through a rear face (110b) of the scattering liquid crystal panel (110) and goes out through a front face (110a), I0-10 represents a mean value of scattering intensity of light which goes out at an angle in a range from 0 degrees to 10 degrees with respect to a normal direction of the front face (110a), and I20-30 represents a mean value of scattering intensity of light which goes out in a range from 20 degrees to 30 degrees.

Abstract: A PCLC flake/fluid host suspension that enables dual-frequency, reverse drive reorientation and relaxation of the PCLC flakes is composed of a fluid host that is a mixture of: 94 to 99.5 wt % of a non-aqueous fluid medium having a dielectric constant value ?, where 1<?<7, a conductivity value ?, where 10?9>?>10?7 Siemens per meter (S/m), and a resistivity r, where 107>r>1010 ohm-meters (?-m), and which is optically transparent in a selected wavelength range ??; 0.0025 to 0.25 wt % of an inorganic chloride salt; 0.0475 to 4.75 wt % water; and 0.25 to 2 wt % of an anionic surfactant; and 1 to 5 wt % of PCLC flakes suspended in the fluid host mixture. Various encapsulation forms and methods are disclosed including a Basic test cell, a Microwell, a Microcube, Direct encapsulation (I), Direct encapsulation (II), and Coacervation encapsulation. Applications to display devices are disclosed.

Abstract: The disclosure relates to an electro optical sensor, which comprises a light source generating device, an electro optical modulator, a supporting module, and an image capturing module. The light source generating device emits a light beam. After the electro optical modulator modulates the light beam, the modulated light beam emits onto a subject. The supporting module includes a transparent substrate, supporting the subject and allowing the modulated light beam to incidentally emit into the transparent substrate. The image capturing module converts the light beam reflected from the supporting module into a video signal.

Abstract: According to example embodiments, a reflective display device includes a plurality of pixel units. Each of the plurality of pixel units may include a reflective plate having at least one concave reflective surface, a first electrode on the reflective plate, a second electrode separate from the first electrode, at least one light-absorbing member corresponding to the at least one concave reflective surface, and a polymer dispersed liquid crystal PDLC layer between the first electrode and the second electrode. The PDLC layer includes a polymer and liquid crystals. The light-absorbing member may be at a focus position of the at least one concave reflective surface.

Abstract: The invention relates to an optically biaxial film comprising an anisotropic material with uniform helically twisted structure and a reflection wavelength below 400 nm, to methods and materials for its preparation, to its use as retardation or compensation film in optical devices like liquid crystal displays, and to compensators and liquid crystal displays comprising such a biaxial film.

Abstract: This invention relates to liquid crystal (LC) displays comprising cells of well-defined shape, size and aspect ratio which cells are filled with a liquid crystal composition preferably containing dichroic dye(s), and novel processes for their manufacture. The invention also relates to a process for forming a liquid crystal display, which process comprises forming a plurality of cells followed by filling each of said cells with a liquid crystal composition and said process is carried out continuously or semi-continuously.