Abstract: The present invention relates to an electrophoretic particle that includes: a core part including an inorganic particle; a shell layer formed on the core part; and a protective layer formed on the shell layer, a method of producing the electrophoretic particle, and an electrophoretic display device including the electrophoretic particle.

Abstract: A photonic assembly for observing a preselected color includes an assembly of colloidal particles in a continuous liquid phase, the colloidal particles comprising a core scattering center and a shell layer surrounding the core, wherein the core scattering center is selected to scatter light having a predetermined wavelength, and wherein the shell has a thickness selected to provide an overall colloidal particle size that is about the same dimension as the wavelength of preselected color to be observed.

Abstract: According to one embodiment, a method of manufacturing a display device, includes preparing a first substrate formed such that a first resin layer is formed on a first support substrate, preparing a second substrate formed such that a second resin layer is formed on a second support substrate, attaching the first substrate and the second substrate, peeling the second support substrate from the second resin layer by radiating a first laser beam toward the second substrate, mounting a signal supply source on a first mounting portion in a state in which the second resin layer, which is opposed to the first mounting portion, is warped in a direction away from the first mounting portion, and adhering the first resin layer and the second resin layer.

Abstract: The present invention provides a full color display device in which each pixel can display multiple high-quality color states. More specifically, an electrophoretic fluid is provided which comprises four types of particles, dispersed in a solvent or solvent mixture and each pixel can display at least five different color states.

Abstract: A constitution of the display device of the invention is shown in the following. The display device includes a pixel unit including TFTs of which the active layer contains an organic semiconductor material for forming channel portions in the opening portions in an insulating layer arranged to meet the gate electrodes. The pixel unit further includes a contrast media formed on the electrodes connected to the TFTs for changing the reflectivity upon the application of an electric field, or microcapsules containing electrically charged particles that change the reflectivity upon the application of an electric field. The pixel unit is sandwiched by plastic substrates, and barrier layers including an inorganic insulating material are provided between the plastic substrates and the pixel unit. The purpose of the present invention is to supply display devices which are excellent in productivity, light in weight and flexible.

Abstract: The present invention provides uniformly electrified electret fine particles having excellent electrophoretic properties. Specifically, the present invention provides a core-shell electret fine particle comprising a core part and a shell part, the core part containing a material that has an ability to disperse a pigment therein, the shell part containing an electret resin, and the electret resin being a fluorine-containing resin and being electretized by electron ray irradiation, radial ray irradiation, or corona discharge treatment.

Abstract: This invention relates to particles comprising a pigment core particle encapsulated by a polymer, a process for their preparation, electrophoretic fluids comprising such particles, and electrophoretic display devices comprising such fluids.

Abstract: A method for manufacturing an electronic ink display device is provided, which includes the steps of: forming an electronic ink layer on an driving substrate; forming a front protective layer and a back protective layer covering outside of the electronic ink layer and outside of the driving substrate separately, in which a dimension of the front protective layer is greater than that of the back protective layer; and filling an sealant covering and surrounding sidewall of the electronic ink layer and sidewall of the driving substrate. An electronic ink display device is also provided.

Abstract: Embodiments of the present invention provide a color electrophoretic display panel and a fabricating method thereof, and a display device provided with the color electrophoretic display panel. The color electrophoretic display panel comprises: a plurality of pixel units each of which comprises more than two different colors of electrophoretic particles, and the threshold voltages driving the different colors of electrophoretic particles are different.

Abstract: An electronic paper display device according to the disclosure may include an upper substrate provided with a first electrode layer, a lower substrate provided with a second electrode layer, and an electronic ink layer disposed between the first electrode layer and the second electrode layer. Microcapsules are distributed in the electronic ink layer, and at least one kind of quantum dots which are used to display one color are encapsulated within the microcapsules.

Abstract: An embodiment of the present invention provides an electrowetting display panel which can achieve full-color display, comprising: a first substrate; a second substrate opposite to the first substrate; a plurality of baffle walls disposed on the second substrate and defining a plurality of sub-pixels; an opaque insulating layer disposed on the second substrate, the opaque insulating layer comprising a dielectric layer and opaque liquid elements disposed on the dielectric layer, the opaque insulating layer being capable of displaying black or white under an action of an electric field; a plurality of colored liquid elements corresponding to the individual sub-pixels respectively and disposed between the opaque insulating layer and the first substrate, the colored liquid elements being an electric-conductive or polar light-transmissive color solution.

Abstract: An ambient light adjustment (ALA) apparatus, a method and a system therewith are proposed. The ALA apparatus includes a main body having a plurality of edges, one or more light sources, a light blocking layer and a controller. The light source is mounted on at least one edge of the ALA apparatus. The main body comprises at least one light guide plate. The light blocking layer is disposed over a surface of the main body. The controller is coupled to the light source and the light blocking layer. The ALA apparatus further comprises at least one sensor coupled to the controller. The controller controls the light characteristics of the light source and/or the light blockage levels of the light blocking layer to adjust ambient light characteristics, according to a sensed result by the sensor or sensors.

Abstract: An electrophoretic display device with a plurality of first particles which migrate between a remain region and a display region in response to an electric field, as well as a plurality of non-migrating second particles which are fixedly disposed between the remain and display regions and which (a) allow the plurality of first particles to pass between the remain and display regions in response to the electric field, and (b) cover the plurality of first particles when the first particles are disposed in the remain region.

Abstract: A display device comprising a Suspended Particle Device film or other material for controlling the amount of illumination transmitted to an object from one or more light sources to protect the object from degradation by light is described. The display is capable of being dark when the object is not being viewed and being highly transmissive when the object is to be viewed. If desired, the display device may be controlled so as to provide a substantially constant amount of illumination when the object is viewed or intended to be viewed. A method of protecting an object using the display device is also provided.

Abstract: A color reflective display includes a substrate, an electrode pattern layer formed on the substrate, a reflective display-material layer formed on the electrode pattern layer, a light-transmissive electrode layer formed on the reflective display-material layer, a transparent layer formed on the transmissive electrode layer, and a color filter layer formed on the transparent layer and including an array of colored pixels. The color reflective display satisfies a following first formula when (0.54×C)?15 ?m is zero or a positive value: (0.54×C)?15 ?m?D?(0.54×C), and the color reflective display satisfies a following second formula when (0.54×C)?15 ?m is a negative value: 0<D?(0.54×C), where C represents a distance from the reflective display-material layer to the color filter layer, and D represents a distance between adjacent colored pixels of the color filter layer.

Abstract: The present invention is directed to a display fluid comprising charged composite pigment particles dispersed in a solvent. The composite pigment particles have a density which matches to the density of the solvent in which they are dispersed. A display fluid comprising the composite pigment particles provides improved display performance.

Abstract: This invention provides application of noble metal nanoparticles for devices with controlled light transmission, absorption and detection. Particularly described is the use of noble metal nanoparticles in photoconductive detectors, optical filters, optical switches, pixel arrays, and electrochromic windows for controlling the transmission and absorption of incident and transmitted light. In addition, the use of noble metal nanoparticles in an electrochromic display is described in which color of the transmitted light from a nanoparticle-based pixel is adjusted and controlled.

Abstract: The present invention is directed to a display fluid comprising charged composite pigment particles dispersed in a solvent. The composite pigment particles have a density which matches to the density of the solvent in which they are dispersed. A display fluid comprising the composite pigment particles provides improved display performance.

Abstract: A multi-color display device has front and rear electrodes on opposed sides of an electrophoretic medium. One of the front and rear electrodes occupies only a minor proportion of a pixel. The device has a voltage control capable of applying a first and a smaller second potential difference of either polarity between the electrodes. The electrophoretic medium has first and second species of particles of differing colors and charge polarities. The first and second particles move independently of one another in response to the first potential difference, but upon application of the second potential difference form charged aggregates, moving as a unit, having an aggregate color different from the first and second colors.

Abstract: The present invention provides a solution for a highlight or multicolor display device, in which each display cell can display high quality color states. More specifically, an electrophoretic fluid is provided which comprises three types of pigment particles, having different levels of size, threshold voltage or charge intensity.

Abstract: Provided is a display unit capable of improving display performance. The display unit includes an electrophoretic particle disposed between a pair of electrodes for each pixel; and a voltage control circuit applying a voltage for each pixel, to move the electrophoretic particle. The voltage control circuit counts, for each pixel, a number of applications of a first voltage and a number of applications of a second voltage, the first voltage being applied to move the electrophoretic particle towards one of the electrodes, and the second voltage being applied to move the electrophoretic particle towards the other of the electrodes. Further, at an arbitrary timing following start of display, when the number of applications of the second voltage in part of pixels is smaller than that in other pixel, the voltage control circuit applies the second voltage to the pixel with the smaller number of applications, to bring this smaller number of applications closer to the number of applications in the other pixel.

Abstract: A gyroscope having a resonant body utilizes a self-calibration mechanism that does not require physical rotation of the resonant body. Instead, interface circuitry applies a rotating electrostatic field to first and second drive electrodes simultaneously to excite both the drive and sense resonance modes of the gyroscope. When drive electrodes associated with both the drive and sense resonance modes of the gyroscope are excited by forces of equal amplitude but 90° phase difference, respectively, the phase shift in the gyroscope response, as measured by the current output of the sense electrodes for each resonance mode, is proportional to an equivalent gyroscope rotation rate.

Abstract: A driving method of an electrophoretic display device, where a first display state and a second display state are respectively selected as a display state of one pixel by applying a voltage with a positive polarity or a negative polarity, and a halftone between the first display state and the second display state is selected according to a total duration of the negative polarity voltage applied to a pixel in the first display state, including setting a display state of the one pixel to the first display state; applying a compensating voltage pulse with the positive polarity to the one pixel; and applying a first driving voltage pulse with the negative polarity to the one pixel; wherein, the applying of the compensating voltage pulse is executed between the setting of the display state and the applying of the first driving voltage pulse.

Abstract: There is provided electrophoretic particle which has core particle, and a siloxane-based compound which includes a connecting structure in which a plurality of siloxane bonds are connected in series, and the surface of the core particle includes a first region to which the siloxane-based compound is bonded, and a second region in which charging characteristic derived from the core particle is expressed by exposure of the surface of the core particle. An occupancy rate of the first region on the surface of the core particle is preferably equal to greater than 0.05% and equal to or less than 20%.

Abstract: An electrophoretic display apparatus has an electrophoretic layer interposed between a first electrode and a second electrode each provided on the inner surface side of each of a pair of substrates and a boundary layer interposed between the first electrode and the electrophoretic layer. When the boundary layer has a thickness of T1 and a volume resistivity of ?1 and the electrophoretic layer has a thickness of T0 and a volume resistivity of ?0, the thickness and the volume resistivity of the boundary layer satisfy the formula (?1/T1)?1×1013?, and the thickness and the volume resistivity of the boundary layer and the electrophoretic layer satisfy the formula (?1·T1)/(?0·T0)?1/9.

Abstract: A display apparatus includes a curved display panel having a first curvature; and a plurality of light source units arranged along the first curvature the display panel. Each light source unit includes a reflective part including a reflective upper surface which has a second curvature different from the first curvature of the display panel; and a light source part which is at a first side of the reflective part, and includes a light source which generates and provides a light to the reflective surface.

Abstract: An electrophoretic medium comprises an electrophoretic layer, a layer of lamination adhesive and a polymeric layer disposed between the electrophoretic layer and the lamination adhesive layer, the polymeric layer being impermeable to the fluid. A second form of electrophoretic medium has a layer of a complex of an alkali metal and a polymer in contact with the electrophoretic layer. A third form of electrophoretic medium comprises a plurality of discrete droplets of internal phase in a binder, and further comprises a salt.

Abstract: It is an object to provide an electric field driving display device capable of displaying a high quality image and to provide an electric field driving display device in which residual images in an outline of a pixel is prevented from occurring. An insulating film is formed over a second electrode and a plurality of first electrodes are provided over the insulating film. Each of the first electrodes is electrically connected to the second electrode. The second electrode is provided to partly overlap a region between the adjacent two first electrodes. In other words, viewing the top and the bottom of the display device, the adjacent first electrodes are provided apart from each other and the second electrode is provided to embed a space between the adjacent first electrodes.

Abstract: A TFT array substrate, an electronic paper display panel and method for manufacturing the same are disclosed. The electronic paper display panel includes: a first transparent substrate, and an array of storage capacitors located on an inner side of the first transparent substrate. Each of the storage capacitors includes a common electrode located on the first transparent substrate, a transparent capacitor medium layer located on the common electrode, and a pixel electrode (44) located on the transparent capacitor medium layer. The display panel also includes an electronic paper film located on the TFT array substrate, a transparent electrode located on the electronic paper film, and a second transparent substrate located on the transparent electrode. A double-sided display may be realized by the electronic paper display panel.

Abstract: The present invention provides a realistic solution for a highlight or multicolor display device which can display high quality color states. More specifically, an electrophoretic fluid is provided which comprises four types of particles, having different levels of size, threshold voltage or charge intensity.

Abstract: The brightness of a TIR-based display is enhanced with a registered reflective element by recycling and reflecting light that passes through the dark pupil region of each hemi-spherical protrusion in the hemi-spherical surface back to the viewer. A method to fabricate a brightness enhanced TIR display comprising an apertured membrane with a thin conductive reflective metal layer facing and registered with the pupils of the hemi-spherical surface.

Abstract: A multi-color electrophoretic medium contains first, second and third species of particles, the particles having substantially non-overlapping electrophoretic mobilities and bring of three different colors. The particles are dispersed in a fluid having a fourth color. A method for driving such a display is also described.

Abstract: A scalable apparatus and a network environment dynamically changes the light transparency of a single SPD device, a small number of SPD devices or thousands of such SPD devices installed in windows in automobiles, aircraft, trains, marine vehicles, residential homes, commercial buildings and skyscrapers. A scalable apparatus and a network environment dynamically changes the light transparency of a single SPD device or thousands of such SPD devices in the presentation of a multi-media special effects display. Textual messages, graphical images and simulated motion effects are driven. Such scalable apparatus being capable of driving and using several operational parameters of SPD's such as frequency range, AC voltage and temperature so as to provide fine control of SPD characteristics such as switching speed and power consumption.

Abstract: Electronic paper whose coloring rate in a pixel is improved by preventing color mixing between pixels and a method for manufacturing the electronic paper are provided. Electronic paper in which an electrophoretic material layer 4, an optically transparent electrode layer 5, an ink fixing layer 7, and a color filter layer 8 created by printing pixel ink by an inkjet method are stacked on an electrode substrate in this order, wherein a repellent component, for example, a monomer containing fluorine or a polymer containing fluorine, or more specifically aliphatic polycarbonate containing fluorine is added to the pixel ink.

Abstract: A TFT array substrate, an electronic paper display panel and method for manufacturing the same are disclosed. The electronic paper display panel includes: a first transparent substrate, and an array of storage capacitors located on an inner side of the first transparent substrate. Each of the storage capacitors includes a common electrode located on the first transparent substrate, a transparent capacitor medium layer located on the common electrode, and a pixel electrode (44) located on the transparent capacitor medium layer. The display panel also includes an electronic paper film located on the TFT array substrate, a transparent electrode located on the electronic paper film, and a second transparent substrate located on the transparent electrode. A double-sided display may be realized by the electronic paper display panel.

Abstract: An electrowetting display device includes first and second barrier layers which cover first and second electrodes. The electrowetting display device includes a first base substrate which faces a second base substrate, the first electrode on the first base substrate, the first barrier layer which covers the first electrode, the second electrode on the second base substrate, the second barrier layer which covers the second electrode, a barrier wall between the first base substrate and the second base substrate, and an electrowetting layer between the first base substrate and the second base substrate. The barrier wall defines a pixel area corresponding to the first electrode, and the electrowetting layer is in the pixel area. The electrowetting layer includes a polar fluid and a non-polar fluid which are separated from each other.

Abstract: A quantum rod luminescent display device includes a first substrate having a plurality of pixel regions; a plurality of first electrodes alternately arranged with a plurality of second electrodes in each of the plurality of pixel regions; a plurality of quantum rod compound layers over the first electrodes and the second electrodes, respectively in each of the plurality of pixel regions, each of the quantum rod compound layers including a quantum rod having a core, a shell surrounding the core, and an electron acceptor; a second substrate facing the first substrate; and a backlight unit at an outer surface of the first substrate. The electron acceptor is attached to or adjacent to the quantum rod.

Abstract: There is provided a cell driven by an electric field including a first electrode and a second electrode spaced from each other and an actuator moving between the first electrode and the second electrode. The actuator does not have permanent electric charges and a DC voltage or a pulse voltage is applied to the first electrode and the second electrode.

Abstract: A cut which penetrates a resin layer is formed in the resin layer such that the cut surrounds a third upper surface. A film is formed such that the film covers the whole resin layer except for a bottom surface of the resin layer inside the cut and at least a portion of the resin layer is exposed outside the cut. The resin layer which is wholly covered with the film is left inside the cut, and the whole resin layer continuously formed with a surface exposed from the film is removed outside the cut. A bump is formed by the resin layer and the film inside the cut, and a shutter and at least a portion of a drive part are formed by the film outside the cut in a state where these parts are floated from a first substrate.

Abstract: A driving method of an electrophoretic display device, which has a plurality of pixels where an electrophoretic layer is interposed between a first electrode and a second electrode, including supplying a first voltage pulse with one polarity of a first polarity or a second polarity to a first pixel in a third display state between a first display state and a second display state, supplying a second voltage pulse with the other polarity of the first polarity or the second polarity to the first pixel, supplying a third voltage pulse, which has the same polarity as the polarity of the first voltage pulse and has a duration different from a duration of the first voltage pulse, to a second pixel which is in the third display state, and supplying the second voltage pulse to the second pixel.

Abstract: The present invention is directed to an electrophoretic display film which can be controlled to malfunction permanently within a period of time. It provides an elegant method to utilize an electrophoretic film for anti-counterfeit purposes. The concept involves the removal of strong barrier layer(s) from the film to allow the solvent in the electrophoretic fluid within the film to evaporate through weak barrier layer(s), and within a period of time, the performance of the display film will be significantly degraded and the film cannot be re-used.

Abstract: Provided is method of preparing a printed matter with a printed array of particles, the method including: (a) preparing a template, a surface of which has depressions or projections capable of fixing the positions and/or orientations of one or more particles; (b) placing the particles on the template and applying a physical pressure to the particles so that a portion or the whole of each particle is inserted in each of pores defined by the depressions or the projections to form a particle array; and (c) contacting the template having thereon the particle array to a printing substrate so that the particle array is transferred to the printing substrate.

Abstract: A flexible display device includes a flexible substrate including a display region and a peripheral region substantially surrounding the display region, the display region including a first display region and a second display region, a first display structure at the first display region of the flexible substrate, the first display structure including nanoparticles, and a second display structure at the second display region of the flexible substrate, the second display structure including silicon.

Abstract: An optical material system for nanopatterning is provided that includes one or more material systems having spectrally selective reversible and irreversible transitions by saturating one of the spectrally selective reversible transitions with an optical node retaining a single molecule in a configuration and exposing the single molecule to its spectrally irreversible transitions to form a pattern.

Abstract: Ink jet printing can be used in the production of electro-optic displays for (a) forming a layer of a polymer-dispersed electrophoretic medium on a substrate; (b) forming a color electro-optic layer; (c) forming a color filter; and (d) printing electrodes and/or associated conductors on a layer of electro-optic material.

Abstract: A first electro-optic display comprises first and second substrates, and an adhesive layer and a layer of electro-optic material disposed between the first and second substrates, the adhesive layer comprising a mixture of a polymeric adhesive material and a hydroxyl containing polymer having a number average molecular weight not greater than about 5000. A second electro-optic display is similar to the first but has an adhesive layer comprising a thermally-activated cross-linking agent to reduce void growth when the display is subjected to temperature changes. A third electro-optic display, intended for writing with a stylus or similar instrument, is produced by forming a layer of an electro-optic material on an electrode; depositing a substantially solvent-free polymerizable liquid material over the electro-optic material; and polymerizing the polymerizable liquid material.

Abstract: A particle dispersion for display includes color particles for display that move in response to an electric field and include first color particles and second color particles; and a dispersion medium that disperses the color particles for display, in which the second color particles have a larger particle diameter than a particle diameter of the first color particles and the same charging characteristic as a charging characteristic of the first color particles, and in the color particles for display, a ratio (Cs/Cl) of a charge amount Cs of the first color particles per unit area of display to a charge amount Cl of the second color particles per unit area of display is less than or equal to 5.

Abstract: This invention relates to an electrophoretic display fluid comprising non-charged or slightly charged color particles and at least one type of charged pigment particles, all dispersed in a solvent or solvent mixture, and an electrophoretic display device utilizing such a display fluid. The electrophoretic fluid of the present invention provides improved image qualities.

Abstract: An optical controller includes: a transparent lower substrate with a first electrode pattern; a transparent upper substrate with a transparent electrode; a plurality of divided regions separated by partitions on the transparent lower substrate; a medium containing charged particles at less than 5 wt % is in the plurality of divided regions and between the first electrode pattern and the transparent electrode; and a seal surrounding the plurality of divided regions and bonded to the first and second substrates.

Abstract: A pigment-based ink comprises: a non-polar carrier fluid; and pigment particles suspended in the non-polar carrier fluid. The pigment particles are coated with a metal oxide that is modified with at least one silane coupling agent to introduce functional groups, steric stabilizers or both. A combination of an electronic display and an electronic ink is provided, as is a method for modifying the pigment particles.