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Particle suspensions (e.g., electrophoretic)

Subclass of:

345 - Computer graphics processing and selective visual display systems

345030000 - PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT)

345055000 - Display elements arranged in matrix (e.g., rows and columns)

345084000 - Light-controlling display elements

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DocumentTitleDate
20100156779ELECTROPHORETIC DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - An electrophoretic display device includes a first substrate having a display region and a non-display region at a periphery of the display region, the display region including a pixel region; gate and data lines on the first substrate and in the display region, the gate and data lines crossing each other to define the pixel region; a gate link line connected to the gate line and positioned in the non-display region; a thin film transistor connected to the gate and data lines and positioned in the pixel region, the thin film transistor including a gate electrode, a gate insulating layer, a semiconductor layer, a source electrode and a drain electrode; a passivation layer of an organic insulating material over the thin film transistor and in the display region, the passivation layer having a first thickness and including a drain contact hole exposing the drain electrode; a buffer pattern formed of the same material and having the same thickness as the passivation layer, the buffer pattern positioned in the non-display region; a pixel electrode positioned in the pixel region and on the passivation layer, the pixel electrode connected to the drain electrode through the drain contact hole; and an electrophoretic film on the pixel electrode and covering an entire surface of the display region, an end of the electrophoretic film positioned on the buffer pattern.06-24-2010
20130044048DISPLAY DEVICE AND METHOD USING ELECTROMAGNETOPHORETIC PROPERTY - The present disclosure relates to a display method and device using an electromagnetophoretic property. The display method includes: applying at least one of an electric field and magnetic field to a plurality of particles configured to possess an electric charge and magnetic property and to exhibit a first color, in a state in which the particles are dispersed in a solvent configured to exhibit a second color, so that at least one of the first and second colors is exhibited; and changing at least one of intensity and orientation of the applied electric field or magnetic field, so that the particles are moved in a predetermined direction to exhibit at least one of the first and second colors.02-21-2013
20090096745APPROACH TO ADJUST DRIVING WAVEFORMS FOR A DISPLAY DEVICE - The present invention is directed to methods for adjusting or selecting driving waveforms in order to achieve a consistent optical performance of a display device. When a method of the present invention is applied, even if there are changes in the display medium due to temperature variation, photo-exposure or aging, the optical performance can be maintained at a desired level.04-16-2009
20090195496INFORMATION DISPLAY HAVING SEPARATE AND DETACHABLE UNITS - An information display has an information carrier including a storable display panel separate from a processing unit including a battery, and where there is a need to perform a process such as updating or manipulating information displayed on the display panel, it is possible to perform a desired process by connecting the processing unit to the information carrier.08-06-2009
20080259021METHOD OF DISPLAYING AN IMAGE AND ELECTROPHORETIC DISPLAY DEVICE FOR PERFORMING THE SAME - A method of displaying images on an electrophoretic display (“EPD”) panel includes displaying a (K)-th image on the EPD panel including a plurality of electrophoretic particles, wherein K denotes a natural number. Then, when an interrupt signal for converting images is inputted during one of a plurality of driving intervals, a charge of the electrophoretic particles is compensated, which is charged in correspondence with the (K)-th image displayed on the EPD panel before the interrupt signal is inputted, and then a (K+1)-th image is displayed on the EPD panel. Thus, when the interrupt signal is inputted during one of the driving intervals displaying the (K)-th image data, the charges that are charged in the particles are compensated in correspondence to the (K)-th image data, and then the (K+1)-th image is displayed so that display quality may be enhanced.10-23-2008
20100117951ELECTROPHORETIC DISPLAY DEVICE AND METHOD FOR FABRICATING SPACER FOR ELECTROPHORETIC DISPLAY DEVICE - An electrophoretic display device includes: a transparent substrate positioned at a display side and having a transparent front electrode; a wiring substrate disposed to face the transparent substrate and having a field applying unit; a spacer disposed between the transparent substrate and the wiring substrate and having a plurality of accommodating holes with upper and lower portions open; and a plurality of microcapsules respectively positioned in the plurality of accommodating holes and including a dispersion solvent encapsulated with a plurality of charged particles contained therein, wherein the accommodating holes comprise upper holes with a width for receiving the microcapsules and lower holes allowing the microcapsules to be mounted thereon.05-13-2010
20100117952Self assembly of elements for displays - Various embodiments of methods and systems for designing and constructing displays from multiple light emitting elements are disclosed. Display elements having different light emitting and self-organizing characteristics may be used during display assembly.05-13-2010
20100073282ELECTROPHORETIC DISPLAY DEVICE, METHOD OF DRIVING THE SAME, AND ELECTRONIC APPARATUS - An electrophoretic display device includes a pixel electrode, a common electrode, an electrophoretic element between the pixel and common electrodes, a scanning line supplying a scanning signal, a first data line supplying an image signal, a first switching element outputting the image signal, a first memory circuit maintaining the image signal, a first control line supplying a first control electric potential, a second switching element outputting the first control electric potential to the pixel electrode according to the image signal maintained in the first memory circuit, a second data line supplying an inverted image signal, a third switching element outputting the inverted image signal, a second memory circuit maintaining the inverted image signal, a second control line supplying a second control electric potential, and a fourth switching element outputting the second control electric potential to the pixel electrode according to the inverted image signal maintained in the second memory circuit.03-25-2010
20100073281DISPLAY MEDIUM AND DISPLAY DEVICE - A display medium includes: a pair of substrates having electrodes and disposed to form a space therebetween, at least one of the substrates transmitting light; a dispersion medium enclosed between the substrates; a group of particles that is dispersed in the dispersion medium and that moves in the dispersion medium according to an electric field applied between the substrates; and a treatment layer provided on at least one of surfaces of the substrates that oppose each other, the treatment layer being formed by treating the at least one of surfaces of the substrates that oppose each other with a polymer compound having a silicone chain.03-25-2010
20100073279Electrophoretic display device and method of fabricating the same - A method of fabricating an electrophoretic display device includes forming a gate electrode, a gate line, a data line and a thin film transistor having a semiconductor layer, a source electrode and a drain electrode on a substrate having a display region, the thin film transistor connected to the gate and data lines; forming a gate insulating layer on an entire surface of the substrate including the gate electrode and the gate line; forming a passivation layer over the thin film transistor; forming a pixel electrode connected to the drain electrode of the thin film transistor; forming an align; attaching an electrophoresis film including an adhesive layer, an ink layer having a charged particle, a common electrode and a base film onto the pixel electrode, the ink layer disposed between the adhesive layer and the base film, the adhesive layer being on the pixel electrode; forming a color filter layer on the base film using the align mark for aligning the color filter layer with the pixel regions, the color filter layer corresponding to the display region; wherein the step of forming the align mark is simultaneously performed with one of the step of forming the gate line, the step of forming the data line, and the step of forming the pixel electrode.03-25-2010
20100073278E-paper application control based on conformation sequence status - A method for one or more portions of one or more regions of an electronic paper assembly having one or more display layers includes, but is not limited to: one or more conformation sensor modules configured to direct obtaining information associated with one or more changes in one or more sequences of two or more conformations of one or more portions of one or more regions of the electronic paper assembly and one or more coordination modules configured to direct coordinating the one or more changes in one or more sequences of two or more conformations of one or more portions of one or more regions of the electronic paper assembly with one or more commands. In addition to the foregoing, other related method/system aspects are described in the claims, drawings, and text forming a part of the present disclosure.03-25-2010
20100045592DIELECTROPHORETIC DISPLAYS - A dielectrophoretic display comprises a substrate having walls defining at least one cavity, the cavity having a viewing surface and a side wall inclined to the viewing surface; a suspending fluid contained within the cavity; a plurality of at least one type of particle suspended within the suspending fluid; and means for applying to the fluid an electric field effective to cause dielectrophoretic movement of the particles to the side wall of the cavity.02-25-2010
20100045591PARTICLES FOR DISPLAY MEDIA - As the particles for display media constituting the display media used for an information display panel, in which the display media are sealed between two substrates, at least one of two substrates being transparent, and, in which the display media, to which an electrostatic field is applied, are made to move so as to display information such as an image, use is made of the polymer particles having a substantially spherical shape, which contain binder resin, charge control resin and coloring agent, wherein a blending amount of monomer with charged functional group is 0.3-50 mol % in a raw material monomer constituting the charge control resin. According to the invention, it is possible to obtain the particles for display media having a high heat resistance and an excellent charge amount necessary for maintaining a display quality.02-25-2010
20090189849ELECTROPHORETIC DISPLAY DEVICE, METHOD OF DRIVING THE SAME, AND ELECTRONIC APPARATUS - A device includes: first and second substrates; an electrophoretic element between the substrates and including a dispersion medium containing electrophoretic particles; pixel electrodes on the first substrate; a common electrode opposite the pixel electrodes on the second substrate; a unit supplying an image signal having a first or second potentialthe second potential and a fourth potential07-30-2009
20090189848METHOD OF DRIVING ELECTROPHORETIC DISPLAY DEVICE, ELECTROPHOTETIC DISPLAY DEVICE, AND ELECTRONIC APPARATUS - There is provided a method of driving an electrophoretic display device including electrophoretic elements including electrophoretic particles that is arranged between one pair of substrates, a display unit formed of a plurality of pixels each including a pixel electrode, a pixel switching element, a memory circuit that is connected between the pixel electrode and the pixel switching element, and a switching circuit that is connected between the pixel electrode and the memory circuit, and first and second control lines that are connected to the switching circuit. The method includes extracting a length of the boundary between pixel data of a first gray scale level and pixel data of a second gray scale level from image data transmitted to the display unit as a characteristic amount, determining whether an operation mode of an image displaying operation is to be switched based on the characteristic amount, and switching the operation mode based on the result of the determination acquired in the determining on whether an operation mode is to be switched.07-30-2009
20090066636ELECTRO-OPTIC DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - Disclosed is an electrophoretic display device including an electrophoretic display panel, a gate driver to supply a scan signal to a gate line of the electrophoretic display panel for a longer time during a refresh period than during a data output period, a data driver to supply at least one of a refresh voltage and a data voltage to a data line of the electrophoretic display panel, and a timing controller to supply a gate control signal and a data control signal to the gate driver and the data driver, respectively, and a method of driving the electrophoretic display device.03-12-2009
20090046053IMAGE DISPLAYING MEDIUM AND IMAGE DISPLAY DEVICE - An image display medium including a pair of substrates, a dispersion medium, and particles of two or more kinds, the particles of each kind being able to move in the dispersion medium in response to an electric field formed between the substrates, each kind of particles having a different color and a different absolute value of a voltage for moving, the voltage for moving being determined from a difference between an electrostatic force that acts on the particles in response to the electric field formed between the substrates and a binding force that acts in a direction of retaining the particles in a state that the particles are in before the electrostatic force acts on the particles, and at least one of an intensity of the binding force and an intensity of the electrostatic force for the particles of each kind being different.02-19-2009
20100134407Sub-Pixel Structure and Pixel Structure of Color Electrophoretic Display - A sub-pixel structure of color electrophoretic display includes a driving unit, a display unit and a transparent electrode, wherein the display unit is disposed on the driving unit and the transparent electrode is disposed on the display unit. The display unit includes a plurality of first charged particles and a plurality of second charged particles. A color of the first charged particles is different from a color of the second charged particles. Diameters of the first charged particles are greater than diameters of the second charged particles. The first charged particles and the second charged particles have the same electrical property. The sub-pixel structure of color electrophoretic display has high light utility efficiency.06-03-2010
20090213065ELECTROPHORETIC DISPLAY DEVICE AND ELECTRONIC APPARATUS - An electrophoretic display device includes pixels planarly arranged and including electrophoretic devices. The electrophoretic devices each include a pixel electrode, an opposite electrode opposing the pixel electrode, and an electrophoretic layer disposed between the pixel electrode and the opposite electrode and including electrophoretic particles. The region between the pixel electrodes adjacent to each other is provided with an insulating layer including a hygroscopic insulating material.08-27-2009
20090303173ELECTROPHORETIC DISPLAY APPARATUS AND ELECTRONIC APPARATUS - An electrophoretic display apparatus includes a display having a plurality of pixels each having a pixel electrode; and a common electrode opposed to the pixel electrode; an electrophoretic element disposed between the pixel electrode and the common electrode, the electrophoretic element containing electrophoretic particles; a driving unit that performs partial rewrite driving to partially rewrite an image displayed on the display by applying a drive voltage between the pixel electrode and the common electrode in part of the plurality of pixels on the basis of image data; a power supply circuit that increases power supply voltage and supplies the drive voltage to the driving unit; and a control unit that controls the power supply circuit so as to change the drive-voltage supply capacity of the power supply circuit in accordance with the area of a rewritten region that the part of the pixels occupies in the display.12-10-2009
20130057464ELECTRO-PHORETIC DISPLAY DEVICE AND FABRICATING METHOD THEREOF - An electro-phoretic display device includes a first substrate, an active elements array, a driving circuit, a conductive flexible board, an electro-phoretic layer and a second substrate. The first substrate has a first surface defining a display area and a circuit area, and a second surface. The active elements array is disposed within the display area and the driving circuit is disposed within the circuit area and electrically connected to the active elements array. The conductive flexible board is partially disposed at the first substrate and electrically connected to the driving circuit. The electro-phoretic layer and the second substrate are sequentially disposed on the active elements array and the driving circuit. A fabricating method of electro-phoretic display device is also disclosed.03-07-2013
20130057463COLOR DISPLAY DEVICES - The present invention is directed to a color display comprising an electrophoretic fluid comprising two types of pigment particles of contrasting colors and carrying opposite charge polarities dispersed in a clear and colorless solvent, wherein said electrophoretic fluid is sandwiched between a common electrode and a plurality of colored sub-pixel electrodes or colored pixel electrodes.03-07-2013
20100127966METHOD FOR OPERATING ELECTROPHORETIC DISPLAY APPARATUS, ELECTROPHORETIC DISPLAY APPARATUS, AND ELECTRONIC SYSTEM - A method for operating an electrophoretic display apparatus including a first substrate; a second substrate; an electrophoretic device being held between the first substrate and the second substrate and containing electrophoretic particles; a first electrode formed on a surface of the first substrate, the surface facing the electrophoretic device; and a second electrode formed on a surface of the second substrate, the surface facing the electrophoretic device is provided. The method includes image displaying in which a voltage is applied to the electrophoretic device. The image displaying includes device driving in which the electrophoretic device is driven by inputting a first potential into the first electrode and inputting a second potential into the second electrode, and accumulated-charge removing in which a potential of the first electrode is changed, from the first potential to the second potential, stepwise or uniformly at a potential change velocity lower than a potential change velocity upon starting of the device driving.05-27-2010
20090267891VIRTUAL PAPER - A virtual paper system configured to receive, store and display data. The virtual paper system comprises a virtual paper device having processing electronics and a memory device coupled to the processing electronics. The virtual paper device further includes a display coupled to processing electronics and configured to be viewed from a front-side of the virtual paper device. The display is also configured to be a touch screen display. The virtual paper device also includes communication electronics configured to provide data communication with at least one of an external device and an external network, a power system configured to provide power to the virtual paper device and an encapsulation layer. The encapsulation layer is configured to cover the front side, sides and at least a first portion of a backside of the virtual paper device. The virtual paper system further comprises a user interface device configured to interact with the display of the virtual paper device. The user interface is an elongated device that includes a first end and a second end, wherein the first end is configured for direct data entry to the display. Further, the virtual paper device is configured to distinguish between the first end and the second end of the user interface device.10-29-2009
20110012826DISPLAY SYSTEM, MANUFACTURE METHOD THEREOF AND DISPLAY MEDIUM - A display system is built up of at least one display cell comprising an assembly which has at least a first electrode and a second electrode and in which there are mutually non-miscible first and second liquids filled, wherein either one of the first and second electrodes is electrically insulated from the first and second liquids, the first liquid has electrical conductivity or polarity, and voltage is applied to one or both of the first and second electrodes, whereby the first liquid and the second liquid can vary in position to produce a display. Even after an applied voltage is shut off at a position to which the first and second liquids have migrated, the positions of the first and second liquids that have migrated are retained to keep memory capability going on.01-20-2011
20110012825ELECTROPHORETIC PARTICLES AND PROCESSES FOR THE PRODUCTION THEREOF - In electrophoretic media, it is advantageous to use pigment particles having a polymer chemically bonded to, or cross-linked around, the pigment particles, the polymer comprising repeating units derived from a fluorinated acrylate or fluorinated methacrylate monomer. The polymer desirably has a branched chain structure with side chains extending from a main chain. Desirably, the fluorinated acrylate or fluorinated methacrylate monomer comprises from 1 to 5 mole per cent of the polymer.01-20-2011
20080278433ELECTROPHORETIC DISPLAY AND METHOD THEREOF - An electrophoretic display (“EPD”) includes a display panel displaying an image and a gray-scale generator generating a gray-scale and providing a gray-scale voltage to the display panel. The gray-scale generator generates a gray-scale value of a white color using gray-scale values of red, green and blue colors and a brightness ratio between the red, green and blue colors. When a pure color is displayed, the EPD prevents the gray-scale of the white color from being fixed to 0. Thus, the EPD may enhance a chroma of the pure color and color brightness, thereby improving a display quality thereof.11-13-2008
20110063204Electronic paper display device - The present invention relates to an electronic paper display device and the electronic paper display device includes: a lower substrate in which an extruded pattern partitioning a cell is provided on one surface thereof; one or more display units that are disposed to have different sizes in the cell; and an upper substrate that is laminated on the top of the extruded pattern while covering the display unit, wherein the brightness is adjusted by differences in the size, specific gravity, and the quantity of charges of the display unit.03-17-2011
20130063334REFLECTIVE DISPLAYS, SUB-PIXELS FOR REFLECTIVE DISPLAYS AND METHODS TO CONTROL REFLECTIVE DISPLAYS - Reflective displays, sub-pixels for reflective displays and methods to control reflective displays are disclosed. An example sub-pixel for a reflective display disclosed herein comprises a first active shutter layer to provide a first adjustable light transmission, a second active shutter layer to provide a second adjustable light transmission, the first and second active shutter layers being independently controllable, and a luminescent layer positioned interior to at least one of the first and second active shutter layers, the luminescent layer to emit light having a color corresponding to the sub-pixel.03-14-2013
20130063333Electrophoretic displays - A dielectrophoretic display comprises a substrate having walls defining at least one cavity, the cavity having a viewing surface and a side wall inclined to the viewing surface; a suspending fluid contained within the cavity; a plurality of at least one type of particle suspended within the suspending fluid; and means for applying to the fluid an electric field effective to cause dielectrophoretic movement of the particles to the side wall of the cavity.03-14-2013
20090237352ELECTROPHORETIC DISPLAY UNIT - An electrophoretic display unit includes a first protective substrate, a second protective substrate, and an electrophoretic display panel disposed between the first and second protective substrates. The electrophoretic display panel includes an element board having a display region, an electrophoretic sheet which includes an electrophoretic layer, and a friction-reducing member which is the outermost layer of the electrophoretic display panel. The electrophoretic sheet faces the first protective substrate and is attached to the element board. The friction-reducing member faces the first protective substrate, and is made of a material that allows the coefficient of friction between the friction-reducing member and the first protective substrate to be less than or equal to the coefficient of friction between the element board and the second protective substrate.09-24-2009
20090237350ELECTROPHORETIC DISPLAY DEVICE DRIVING CIRCUIT, ELECTROPHORETIC DISPLAY DEVICE, AND ELECTRONIC APPARATUS - An electrophoretic display device driving circuit that drives an electrophoretic display device. The electrophoretic display device includes a display unit that includes a plurality of pixels, each of which includes an electrophoretic element, containing electrophoretic particles, that is provided between a pixel electrode and a common electrode that face each other; a pixel switching element; a memory circuit to which an image signal may be written through the pixel switching element; and a switch circuit that controls switching of the pixel electrode in accordance with an output based on the image signal in the memory circuit. The electrophoretic display device driving circuit includes: a low-speed clock supply unit that supplies a low-speed clock; a high-speed clock supply unit that supplies a high-speed clock having a frequency higher than that of the low-speed clock; and a control unit that (i) controls writing of the image signal to the memory circuit on the basis of the high-speed clock, and that (ii) controls an operation including supply of a predetermined pixel potential to the pixel electrode through the switching control on the basis of the low-speed clock.09-24-2009
20090009465DRIVING APPARATUS FOR A DISPLAY DEVICE AND ELECTROPHORETIC DISPLAY DEVICE INCLUDING THE SAME - An apparatus for driving a display device including first and second signal lines connected to a plurality of pixels, third and fourth signal lines connected to a plurality of sensors, and a display area displaying images includes a data driver to apply a data signal to the first signal line, an image scan driver to apply an image scanning signal to the second signal line, a sensing scan driver to apply a sensing scanning signal to the third signal line, a sensing signal processor connected to the fourth signal line, a signal controller to control the data driver, the image scan driver, the sensing scan driver, and the sensing signal processor, and a memory to store information from the sensing signal processor. The information is displayed and erased on a portion of the display area.01-08-2009
20100085298E-paper display control based on conformation sequence status - A method for one or more portions of one or more regions of an electronic paper assembly having one or more display layers includes, but is not limited to: obtaining and controlling display of one or more portions of one or more display layers of the electronic paper assembly regarding display of second information in response to the information associated with the one or more sequences of two or more conformations of the one or more portions of the one or more regions of the electronic paper assembly. In addition to the foregoing, other related method/system aspects are described in the claims, drawings, and text forming a part of the present disclosure.04-08-2010
20130162510MAGNETIC RESONANCE IMAGING APPARATUS AND METHOD OF DISPLAYING INFORMATION THEREOF - A magnetic resonance imaging apparatus configured to collect magnetic resonance signals from a subject is provided. The apparatus includes a magnetic field generating device, and an electronic paper located at the magnetic field generating device and configured to display predetermined information.06-27-2013
20130162511ELECTRONIC PAPER DISPLAY DEVICE - An E-paper display device an transparent upper substrate and a plurality of transparent and paralleled column electrodes attached on the upper substrate; a lower substrate and a plurality of parallel row electrodes attached on the lower substrate; and an electrophoretic medium arranged between the column electrodes and the row electrodes. The electrophoretic medium is brought to different optical states via controlling electric voltages between the column electrodes and the row electrodes. The E-paper display device is thinner, cheaper, and lighter than a E-paper display device employing a TFT pixel electrode.06-27-2013
20130162512FIXED IMAGE DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - There is provided a display device, which is arranged to display a predetermined fixed image, having a pixel electrode layer comprising a plurality of pixel portions, and opaque solidified electrolyte arranged in a plurality of separated segments in ionic contact with a respective pixel portion, wherein each electrolyte segment and respective pixel portion form a pixel element. The fixed image display further comprises at least one continuous electrode layer extending across at least two rows and two columns of the pixel matrix, and is connected to the electrolyte segments of a subset of the pixel elements. Upon application of an electric potential difference between the patterned electrode layer and the pixel electrode layer, the pixel portions of the subset of the pixel elements switch color.06-27-2013
20110025595INFORMATION DISPLAY PANEL - In an information display panel having an information display portion, in which a voltage is applied between pixel electrodes arranged respectively to substrates and display media are driven so as to display information such as an image, the information display panel has: an electrode-wiring concentrated portion in which electrode-wirings derived from the pixel electrodes on both substrates are concentrated at the outer side of the information display portion so as to connect with a connecting terminal portion used for connecting with an external driving circuit; and a frame rib arranged outside of the information display portion; wherein the electrode-wirings connected to the pixel electrodes arranged on one substrate are electrically connected to the electrode-wirings on the other substrate, at the outer side of the information display portion by using a sealing agent including conductive particles, wherein a width of the frame rib corresponding to the electrode-wiring concentrated portion is formed wider than that of the other portion of the frame rib, wherein an opening at an end portion of the substrate corresponding to the electrode-wiring concentrated portion is filled by a moisture-proof material, and wherein the sealing agent including conductive particles is arranged at a portion other than the electrode-wiring concentrated portion.02-03-2011
20110032180DISPLAY DEVICE, METHOD OF MANUFACTURING DISPLAY DEVICE AND ELECTRONIC APPARATUS - A display device is equipped with a laminate portion of a plurality of laminated adsorption particle-containing layers including a first adsorption particle-containing layer having a wall portion defining a space and electrically charged adsorption particles adsorbed to an inner surface of the wall portion, and a second adsorption particle-containing layer including a wall portion defining a space and electrically charged adsorption particles adsorbed to an inner surface of the wall portion and having a hue different from that of the adsorption particles of the first adsorption particle-containing layer: and one or more pairs of electrodes that, when applied with an electrical voltage, generate electric fields to act on the adsorption particles, and characterized in that, upon application of an electrical voltage across the one or more pairs of electrodes, the adsorption particles of each of the absorption particle-containing layers are moved, while being adsorbed to the inner surface of the wall portion, along the inner surface.02-10-2011
20110285616ELECTRONIC BOOK - An electronic book includes an upper shell and an inner frame mounted under the upper shell. The inner frame includes a main body, an electrophoretic display mounted in the main body, a front light guide plate mounted in the main body and located above the electrophoretic display, and a lighting body mounted to the main body and located at a side of the front light guide plate.11-24-2011
20110285617Electrophoretic Display and Pixel Structure Therein - A pixel structure is formed in a pixel area and coupled to a scan line and a data line. The pixel structure includes a first transistor, a second transistor and a pixel electrode. The first transistor is formed in the pixel area and coupled to the scan line and the data line. The second transistor is formed in the pixel area and coupled to the first transistor. The pixel electrode is formed in the pixel area and coupled to the second transistor. The pixel electrode includes a main portion and a first branch portion. The first branch portion is disposed between the first transistor and the second transistor. An electrophoretic display including the pixel structure is also disclosed herein.11-24-2011
20120098741ELECTROPHORETIC DISPLAY WITH INTEGRATED TOUCH SCREEN - An electrophoretic display includes a substrate on which image gate lines and image signal lines are formed to intersect one another. An image switching thin-film transistor (TFT) is formed on the substrate and electrically connected to the image gate lines and the image signal lines. A sensing TFT is formed on the substrate and configured to sense infrared (IR) light and generate an IR sensing signal. An output switching TFT is formed on the substrate and connected to the sensing TFT. The output switching TFT outputs position information from the IR sensing signal. An IR filter insulating layer is formed on the substrate to cover the sensing TFT and configured to transmit only the IR light. A pixel electrode is formed on the IR filter insulating layer and electrically connected to the image switching TFT. An electrophoretic film is formed on the pixel electrode and includes a plurality of micro-capsules having pigment particles with positive and negative electrical charges. A common electrode is formed on the electrophoretic film.04-26-2012
20120098740ELECTRO-PHORETIC DISPLAY APPARATUS - An electro-phoretic display apparatus is disclosed. The electro-phoretic display apparatus has a plurality of pixel units and is coupled to an alternating current (AC) common voltage. The electro-phoretic display apparatus includes a switching unit coupled between a path of a plurality of storage capacitors in the pixel units and the common voltage. The switching unit is turned off according to a control signal before the common voltage carries out a transition action. The switching unit is turned on according to the control signal after the common voltage carries out the transition action.04-26-2012
20120098739SPLICED ELECTROPHORETIC DISPLAY PANEL - A spliced electrophoretic display panel includes a plurality of electrophoretic display units arranged in an array and connected to one another. Each of the electrophoretic display units includes a first substrate, a second substrate, an electrophoretic display layer, and a sealant. The second substrate is configured under the first substrate. At least one edge of the first substrate goes beyond an edge of the second substrate. The electrophoretic display layer is configured between the first substrate and the second substrate. An image displayed by the electrophoretic display layer is observed via the first substrate. The sealant is connected to the electrophoretic display layer, the first substrate, and the second substrate. Besides, the sealant surrounds the electrophoretic display layer. The first substrate of each of the electrophoretic display units is connected to the adjacent first substrate.04-26-2012
20110291920ELECTRONIC BOOK - An electronic book includes a main body and a pivot member rotatably mounted to the main body. The main body includes an electrophoretic display, and defines a first receiving space in a bottom of the main body. The pivot member includes a base plate received in the first receiving space and a lighting body mounted to the base plate. When the electronic book is used, the pivot member is rotated relative to the main body, the base plate is moved out of the first receiving space to be positioned above the electrophoretic display, and then the lighting body is turned on to light the electrophoretic display.12-01-2011
20110291921ELECTRONIC PAPER DISPLAY DEVICE - An electronic paper display device includes a first substrate, a plurality of display units and a plurality of light-emitting units. The first substrate includes first base and a plurality of electrodes disposed on the first base. The display units are disposed above the first substrate. The light-emitting units are respectively disposed between the display units and the first base.12-01-2011
20110095971ELECTROPHORESIS DISPLAY PIXEL AND DISPLAY APPARATUS - An electrophoresis display pixel including an electrophoresis display film, a substrate, a first active device, a second active device, a first electrode, and a second electrode is provided. The substrate is disposed on the electrophoresis display film, and the substrate has a transparent region and a non-transparent region. The first active device and the second active device are disposed on the substrate and located in the non-transparent region. The first electrode is disposed on the substrate, located in the transparent region, and electrically connected to the first active device. The second electrode is disposed on the substrate, located in the non-transparent region, and electrically connected to the second active device. A light passes through the transparent region and enters the electrophoresis display film to be displayed. A display apparatus including the abovementioned electrophoresis display pixel is also provided.04-28-2011
20090237351DRIVING METHOD FOR DRIVING ELECTROPHORETIC DISPLAY APPARATUS, ELECTROPHORETIC DISPLAY APPARATUS, AND ELECTRONIC DEVICE - A driving method for driving an electrophoretic display apparatus, which has a display section including a plurality of pixels each having a pixel electrode and a common electrode opposing each other and an electrophoretic element interposed therebetween which includes electrophoretic particles, includes erasing a first image displayed on the display section, during a process of rewriting the first image into a second image, by supplying the common electrode with a common voltage, supplying the pixel electrode of a pixel among the plurality of pixels which is displaying one gradation out of a first gradation and a second gradation different from the first gradation with a voltage corresponding to the other gradation different from the one gradation, supplying the pixel electrode of a pixel among the plurality of pixels which is displaying the other gradation with a voltage of the same level as the common voltage. The driving method includes displaying the second image on the display section, during the process of rewriting the first image into the second image, by supplying the common electrode with the common voltage, supplying the pixel electrode of a pixel among the plurality of pixels which is targeted for displaying the one gradation in accordance with corrected image data with a voltage corresponding to the one gradation, supplying the pixel electrode of a pixel among the plurality of pixels which is targeted for displaying the other gradation in accordance with corrected image data with a voltage of the same level as the common voltage, wherein the corrected image data is image data obtained by correcting image data associated with the second image so as to reduce an area displaying the one gradation and expand an area displaying the other gradation in the second image.09-24-2009
20080309613ELECTROPHORETIC DISPLAY AND METHOD FOR MANUFACTURING THEREOF - An electrophoretic display includes a thin film transistor array panel including a first substrate, a gate line on the first substrate having a gate electrode, a gate insulating layer on the gate line, a semiconductor on the gate insulating layer, a data line including a source electrode and a drain electrode on the semiconductor or the gate insulating layer, a passivation layer covering the data line and having a first contact hole exposing the drain electrode, a storage electrode on the passivation layer, a color filter on the storage electrode and having a second contact hole exposing the first contact hole, and a pixel electrode on the color filter and connected to the drain electrode; a common electrode panel facing the thin film transistor array panel, and including a common electrode, and a electrophoretic member between the pixel electrode and the common electrode.12-18-2008
20090109171Display Device and Display Method - A display device having a display panel having an electrophoretic device, and a drive control that controls displaying content on the display panel. The drive control evaluates the display data displayed on the display panel and changes the refresh time interval of the display panel according to the content of the display data.04-30-2009
20090251405COLOUR REFLECTIVE DISPLAY DEVICES - A colour reflective display device uses two colour absorbing components (10-08-2009
20090189850ELECTROPHORETIC DISPLAY DEVICE - An electrophoretic display device includes a pair of substrates, a pixel, a first electrode being formed on one of the substrates for the pixel, a second electrode being formed on the other of the substrates, and an electrophoretic element which is held between the first electrode and the second electrode. The pixel includes a pixel switching element which is connected to a scan line and a data line, a memory circuit which is connected to the pixel switching element, and a switch circuit which is interposed between the memory circuit and the first electrode. The memory circuit is connected with a first power source line and a second power source line, and the switch circuit is connected with a first control line and a second control line. The first power source line and the second power source line cross each other at a first position of the pixel, and the first control line and the second control line cross each other at a second position of the pixel.07-30-2009
20100073277Diaplay Method Applied to Electrophoretic Display - An electrophoretic display includes a plurality of pixels. A display method applied to the electrophoretic display includes the following steps. Firstly, a first frame is displayed on the pixels at a first time. Next, a difference amount between the pixels at the first time and the pixels at a second time predetermined for displaying a second frame is calculated. The second time is later than the first time. Next, whether the difference amount is larger than a predetermined value is determined. Next, corresponding part of the second frame is displayed on part of the pixels corresponding to the difference amount at the second time if the difference amount is not larger than the predetermined value.03-25-2010
20080238867Electrophoretic display device, method of driving electrophoretic device, and electronic apparatus - An electrophoretic display device includes a pair of substrates, an electrophoretic element that includes electrophoretic particles and that are held between the pair of substrates, and a display portion formed of a plurality of pixels. The display portion includes pixel electrodes, an opposite electrode, a first control line and a second control line. Each of the pixel electrodes is formed in each of the pixels. The opposite electrode is opposed to the plurality of pixel electrodes through the electrophoretic element. The first control line and the second control line are connected to each of the pixels. Each of the pixels includes a pixel switching element, a memory circuit, and a switch circuit. The memory circuit is connected to the pixel switching element. Switching of the switch circuit is performed by an output signal of the memory circuit to switch between a connected state where the pixel electrode is connected to the first control line and a connected state where the pixel electrode is connected to the second control line.10-02-2008
20090027329SURFACE PLASMON DISPLAY DEVICE AND METHOD THEREOF - A surface plasmon display device includes metal particles having a constant size within all of the pixel regions between a first electrode and a second electrode and a dielectric layer corresponding to each of the pixel regions formed on an inner surface of a first substrate, wherein the dielectric layer in each of the pixel regions has physical properties for causing the surface plasmon resonance corresponding to a wavelength designated to the corresponding pixel region.01-29-2009
20090015546Electro-optic display device - There is provided an electro-optic display device which can be used in a folder type or in a roll type. The electro-optic display device comprises a substrate including an electro-optic layer having charged color particles and including a gate line and a data line; a timing controller for generating a control signal according to a signal applied from an external unit; and a driving integrated circuit disposed on one side of the substrate, the driving integrated circuit having a gate driver and a data driver for receiving the control signal from the timing controller and for respectively driving the gate line and the data line.01-15-2009
20080238866Drawing circuit of electro-optical display device, drawing method of electro-optical display device, electro-optical display device, and electronic apparatus - Provided is a drawing device of an electro-optical display device which includes a drawing circuit for outputting image data to a driving circuit for driving electro-optical elements of a display unit for displaying an image based on the image data, and a control circuit for controlling the drawing circuit, wherein the drawing circuit includes a first memory in which a plurality of image material data is previously stored, a first working memory having a working area in which the image data composed of at least one image material data is generated, a second working memory having a command information area in which a command signal for instructing execution of a predetermined process is written, and a drawing control circuit which writes the command signal in the command information area and generates command information composed of a plurality of command signals in the command information area, and the control circuit outputs a first control command signal for executing the command information to the drawing control circuit.10-02-2008
20080266245ELECTROPHORETIC DISPLAYS WITH CONTROLLED AMOUNTS OF PIGMENT - An electrophoretic medium has walls defining a microcavity containing an internal phase. This internal phase comprises electrophoretic particles suspended in a suspending fluid and capable of moving therethrough upon application of an electric field to the electrophoretic medium. The average height of the microcavity differs by not more than about 5 μm from the saturated particle thickness of the electrophoretic particle divided by the volume fraction of the electrophoretic particles in the internal phase.10-30-2008
20080266244Dual Sided Electrophoretic Display - A dual-sided electrophoretic display (10-30-2008
20090207128Digital Electrophoretic Display Panel Driving Method and Apparatus - The present invention discloses a digital electrophoretic display panel driving method and apparatus, the driving device digitally reads a setup value from a memory unit to eliminate manual adjustment to save labor and to avoid manual adjustment error, and also to reduce a voltage error of a common electrode voltage (Vcom). The digital electrophoretic display panel driving device comprises a panel driving memory disposed on the electrophoretic display panel and coupled with a connecting circuit for a system board to read the data in the panel driving memory via the connecting circuit.08-20-2009
20100090944Displaying Electrophoretic Particles - Among various embodiments of the present disclosure, displaying electrophoretic particles can be performed by configuring an electrophoretic display for directed spreading of electrophoretic particles across a number of substantially planar display electrodes. Such a configuration can be accomplished by controlling planar spreading of the electrophoretic particles in an electrophoretic pixel with an electrical field between an in-plane storage electrode and an in-plane activation electrode. The in-plane activation electrode can be connected to an in-plane display electrode, which extends across a first area in the electrophoretic pixel adjacent to a display aperture having a second area that is substantially coextensive with the first area.04-15-2010
20100090943Electrophoretic Display Apparatus and Method - An electrophoretic display apparatus includes an array of cells each comprising first and second electrodes and a plurality of electrophoretic particles disposed between the electrodes, wherein the particles are dispersed in a host fluid and are multistable in positions between the electrodes; and drive circuitry in electrical communication with each of the electrodes. The drive electronics are configured to transition addressed cells of the array from a first optical state to a second optical state with a plurality of successive write signals.04-15-2010
20080211764STYLUS-BASED ADDRESSING STRUCTURES FOR DISPLAYS - Novel addressing schemes for controlling electronically addressable displays include a scheme for rear-addressing displays, which allows for in-plane switching of the display material. Other schemes include a rear-addressing scheme which uses a retroreflecting surface to enable greater viewing angle and contrast. Another scheme includes an electrode structure that facilitates manufacture and control of a color display. Another electrode structure facilitates addressing a display using an electrostatic stylus. Methods of using the disclosed electrode structures are also disclosed. Another scheme includes devices combining display materials with silicon transistor addressing structures.09-04-2008
20080211765STYLUS-BASED ADDRESSING STRUCTURES FOR DISPLAYS - Novel addressing schemes for controlling electronically addressable displays include a scheme for rear-addressing displays, which allows for in-plane switching of the display material. Other schemes include a rear-addressing scheme which uses a retroreflecting surface to enable greater viewing angle and contrast. Another scheme includes an electrode structure that facilitates manufacture and control of a color display. Another electrode structure facilitates addressing a display using an electrostatic stylus. Methods of using the disclosed electrode structures are also disclosed. Another scheme includes devices combining display materials with silicon transistor addressing structures.09-04-2008
20090109172ELECTROPHORETIC DISPLAY DEVICE HAVING IMPROVED COLOR GAMUT - An electrophoretic display device has a first substrate that defines a plurality of sub-pixel areas; with shaped pixel electrodes formed in the sub-pixel areas. A second substrate is attached in facing relation to the first substrate during mass production. The second substrate has color filters of different colors (e.g., R, G, B). The areas of the color filters are less than the areas of their corresponding sub-pixel electrodes so as to thereby avoid or reduce a color mixture effect that may arise from mass production misalignment between the first and second substrates. In one class of embodiments, area consumed by the color filters is less than about 75% but more than about 45% of area consumed by respective pixel areas. Each pixel area comprises a white (W) sub-pixel area in addition to the differently colored sub-pixel areas (e.g., R, G, B).04-30-2009
20090289891Image display medium, image display device, and image display method - An image display medium comprises a display member, a back substrate, spacers having a cell structure held between the substrates, and first particles and second particles, whose colors and charging polarities are different from one another, enclosed between the display member and back substrate. The display member includes a transparent support base, a transparent electrode formed thereon, a transparent dielectric layer formed on the transparent electrode, filters formed on the opposite side from the transparent electrodes side of the support base, and a protective layer formed thereon.11-26-2009
20090295710ELECTROPHORETIC DISPLAY DEVICE AND ELECTRONIC APPARATUS - There is provided an electrophoretic display device that is formed by pinching an electrophoretic element containing electrophoretic particles between one pair of substrates. The electrophoretic display device includes a display unit that is formed of a plurality of pixels. One substrate of the one pair of substrates includes a pixel electrode and a pixel switching element that are formed for each of the plurality of pixels, a memory circuit that is electrically connected between the pixel electrode and the pixel switching element and can hold an image signal supplied through the pixel switching element, and an electrostatic protection unit that is electrically connected between the pixel electrode and the memory circuit and is formed of at least one of a capacitor element, a resistor element, and a diode.12-03-2009
20090295709Electrophoretic Display - An electrophoretic display includes a display region. The display region includes a plurality of pixels. Each pixel includes a plurality of sub-pixels. Each sub-pixel has a plurality of charged particles. The charged particles of the sub-pixels of each pixel exhibit the same color. The sub-pixels of each pixel are capable of displaying different gray levels in a frame time.12-03-2009
20100283721Photoelectric Display Panel and Electronic Device Using the Same - A photoelectric display panel including a first substrate and a second substrate is provided. The first substrate being parallel to the second substrate has a pixel array including a plurality of display pixels. The second substrate includes a base plate and a black matrix located between the base plate and the first substrate. The black matrix has a first photoelectric transform block and a second photoelectric transform block. The first photoelectric transform block has a first transparent electrode, a first semiconductor layer and a first metal electrode that are laminated on the base plate. The second photoelectric transform block has a second transparent electrode, a second semiconductor layer and a second metal electrode that are laminated on the base plate. The second transparent electrode is electrically connected with the first metal electrode, so that the second photoelectric transform block and the first photoelectric transform block are connected in series.11-11-2010
20080284722ELECTROPHORETIC DISPLAY DEVICE - An electrophoretic display device is constituted by a first substrate and a second substrate which are disposed with a spacing therebetween, a partition wall disposed in the spacing, electrophoretic particles sealed in a closed space defined by the first and second substrates and the partition wall, a first electrode disposed at a side surface of the closed space, and a second electrode disposed at a bottom surface of the closed space. In the electrophoretic display device, a distribution state of the electrophoretic particles is changed to effect display, and the first electrode has an area substantially equal to or larger than an area of the second electrode.11-20-2008
20100060565E-paper display control of classified content based on e-paper conformation - A method for one or more portions of one or more regions of an electronic paper assembly having one or more display layers includes, but is not limited to: obtaining and one or more multi-layer display control modules configured to direct control of display of one or more portions of one or more display layers of the electronic paper assembly regarding display of second information having one or more classifications in response to the first information associated with one or more changes in the one or more conformations of the one or more portions of the one or more regions of the electronic paper assembly. In addition to the foregoing, other related method/system aspects are described in the claims, drawings, and text forming a part of the present disclosure.03-11-2010
20100060566ELECTRONIC BOOK READING APPARATUS AND UPDATING METHOD THEREOF - A method of updating content applied on an E-book, which includes: an electronic paper display, a first power supply, a RTC, a second power supply, a power manager, and a central processor. The method includes: keep time; generating a control signal for turning on the first power supply when it is time to update; turning on the first power supply in response to the control signal; updating content displayed on the electronic paper display; and cutting off the first power supply after updating is completed.03-11-2010
20080238865Electrophoretic display device, method for driving electrophoretic display device, and electronic apparatus - An electrophoretic display device includes a plurality of pixels which are connected to scanning lines, data lines, a first control line, and a second control line, and which have first electrodes, a second electrode facing the first electrodes, electrophoretic elements which are sandwiched between the first electrodes and the second electrode and which have charged electrophoretic particles, pixel switching elements connected to the scanning lines and the data lines, memory circuits which are connected to the pixel switching elements, which store therein pieces of 1-bit data supplied through the data lines and the pixel switching elements, and which output signals representing the pieces of 1-bit data, and switch circuits which are arranged between the memory circuits and the first electrodes and which electrically connect the first control line or the second control line to the first electrodes. The electrophoretic display device further includes a signal supply unit which supplies first driving signals determining tones of, among the plurality of pixels, pixels having the first electrodes connected to the first control line to the first control line, and which supplies second driving signals determining tones of, among the plurality of pixels, pixels having the first electrodes connected to the second control line to the second control line.10-02-2008
20080278434Driving Means for Electrowetting Displays - The present invention relates to driving mean for an electrowetting display device having a picture element. The driving means is arranged to apply, prior to a data write signal (DT), a voltage signal (DS) to said picture element. Further, the voltage signal (DS) is arranged to have a duration and voltage level that allow said picture element to maintain their optical states.11-13-2008
20080278436ELECTROPHORETIC DISPLAY DEVICE THAT EXECUTES REFRESH OPERATION AT APPROPRIATE TIMING - A dispersion medium is filled in a display section and is dispersed with charged particles that migrates in accordance with a direction of an electric field. An image forming section applies, upon receiving an image forming request, an electric voltage between a first electrode and a second electrode to generate the electric field in the dispersion medium, thereby performing an image forming operation. A refresh controlling section switches, before the image forming section performs the image forming operation, the direction of the electric field alternately at predetermined timing to uniformly disperse the charged particles in the dispersion medium, thereby performing a refresh operation. An image-formation-elapsed-time measuring section measures a first elapsed time from a previous image forming operation performed by the image forming section until the image forming request. A refresh determining section determines whether the refresh controlling section performs the refresh operation based on the first elapsed time.11-13-2008
20080278435DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - Disclosed herein are a display device to prevent light from being incident to a thin film transistor, and a method of manufacturing the same. An electrophoretic device includes a first substrate including a display area and a non-display area, a first thin film transistor connected to a gate line and a data line disposed in the display area, a driving circuit including a second thin film transistor disposed in the non-display area, a plurality of microcapsules disposed on the first substrate and including charged pigment particles, and a first light shielding layer overlapping a channel region of the second thin film transistor and disposed between the second thin film transistor and the microcapsules.11-13-2008
20080303780DRIVING METHODS AND CIRCUIT FOR BI-STABLE DISPLAYS - The disclosure is directed toward driving methods and a driving circuit which are particularly suitable for bi-stable displays. In certain embodiments, methods provide the fastest and most pleasing appearance to the desired image while maintaining the optimal image quality over the life expectancy of an electrophoretic display device.12-11-2008
20080303778IMAGE DISPLAY MEDIUM, IMAGE DISPLAY DEVICE, STORAGE MEDIUM STORING AN IMAGE DISPLAY PROGRAM, AND IMAGE DISPLAY METHOD - There is provided an image display medium that includes: a pair of substrates at least one of that is light-transmissive; a liquid enclosed between the substrates; and three or more types of colored particles dispersed in the liquid that move in accordance with electric fields applied between the substrates and have different colors and charge characteristics, wherein at least one type of the colored particles has an opposite polarity from at least one other type of colored particles.12-11-2008
20080303779IMAGE DISPLAY MEDIUM AND IMAGE DISPLAY DEVICE - An image display medium including a pair of substrates, a transparent dispersion medium, one or more kind of colored particles and larger sized colored particles. The pair of substrates is disposed with a separation therebetween and at least one of the pair of substrates is transparent. The dispersion medium is transparent and enclosed between the pair of substrates. Each kind of the colored particles is colored a predetermined color, is dispersed in the dispersion medium, has predetermined charge characteristics or predetermined magnetic properties, and is able to migrate between the pair of substrates. The larger sized colored particles have a different color and a larger particle size than the colored particles, are disposed so that the colored particles are able to pass through the separation, have charge characteristics or magnetic properties which are different from those of the colored particles, and are able to move.12-11-2008
20080273007Dual output voltage system with charge recycling - A drive system for a flat panel display having segment and common lines is provided. The system may include a first charge pump, including an input terminal for receiving electric charge at an input voltage level and a circuit for generating a first pumped voltage level. The system may also include a first storage capacitor coupled to the first charge pump for storing electric charge at the first pumped voltage level. The system may include a second charge pump, including an input terminal coupled to the first storage capacitor for receiving electric charge at the first pumped voltage level; a pump output terminal; and a circuit for generating a second pumped voltage level at the pump output terminal. The system may further include a second storage capacitor coupled to the pump output terminal for storing electric charge at the second pumped voltage level. The system may also include a controller coupled to the first and second storage capacitors, including segment and common output terminals respectively coupled to segment and common lines of an associated flat panel display; a plurality of switching devices coupled to the first and second storage capacitors; and a control circuit operating the switching devices to selectively connect the segment output terminal to the first and second storage capacitors so as to supply charge to the segment output terminal during a first phase and to return charge from the segment output terminal to the second storage capacitor during a second phase.11-06-2008
20080266243Electrophoretic Display Panel - An electrophoretic display panel (10-30-2008
20080316168DISPLAY APPARATUS AND DRIVING METHOD THEREOF - A display apparatus includes a first substrate provided with a plurality of closed containers, a fluid filled in the closed containers, a plurality of positively charged particles which have a relative dielectric constant different from the fluid and are dispersed and held in the fluid, a plurality of negatively charged particles which have a same color as the positively charged particles and a relative dielectric constant different from the fluid and are dispersed and held in the fluid, and a pair of electrodes for generating an electric field in the closed containers. The display apparatus displays an image formed by a positional distribution of positively and negatively charged particles in each of the closed containers.12-25-2008
20080238868In-Plane Switching Display Devices - A drive method is provided for a display device using the movement of charged particles with a pixel area, with each pixel having first and second drive electrodes (10-02-2008
20100141573LUMINANCE ENHANCEMENT STRUCTURE WITH MOIRE REDUCING DESIGN - The present invention is directed to luminance enhancement structure for reflective display devices. The structure not only can enhance the brightness of a display device, but also can reduce the Moiré effect of the display device. The present invention is also directed to a display device comprising an array of microcups and a luminance enhancement structure.06-10-2010
20090135130ELECTROPHORETIC SHEET, ELECTROPHORETIC DISPLAY DEVICE INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing an electrophoretic sheet includes forming a first adhesive layer on a first release sheet, forming a second adhesive layer on a second release sheet, forming an electrophoretic layer on one side of the first adhesive layer, and coupling the electrophoretic layer to the second adhesive layer.05-28-2009
20090160759MOVING PARTICLE DISPLAY DEVICE - A moving particle display device comprises an array of rows and columns of display pixels (06-25-2009
20090184919Flexible Electrophoretic Display and Method for manufacturing the same - A flexible electrophoretic display includes a backside plate, a display structure and a side reinforcement. The backside plate has a cover area. The display structure is arranged on the backside plate and a surface thereof facing toward the backside plate has an area less than the cover area of the backside plate. The side reinforcement is arranged in juxtaposition with the display structure and on the backside plate. The present invention also provides a method for manufacturing a flexible electrophoretic display.07-23-2009
20090015545Imaging apparatus and operation method of the same - To provide a low-voltage-driven, low-power-consumption, electrophoretic imaging device and an operation method of the same. An electrophoretic imaging device includes an electrode in contact with an electrophoretic dispersion liquid in which particles are dispersed, and a holding electrode disposed on a side of the electrode opposed on a side thereof in contact with the electrophoretic dispersion liquid with an insulating layer interposed between the electrode and holding electrode.01-15-2009
20090058797Electrophoresis Display Device, Electrophoresis Display Device Driving Method, and Electronic Apparatus - The invention provides, as an aspect thereof, a method for driving an electrophoresis display device that has a pair of substrates that sandwich an electrophoresis element that contains, without any limitation thereto, a plurality of electrophoresis particles and further has a displaying section that is made up of a plurality of pixels. The driving method of the electrophoresis display device according to an aspect of the invention includes: an image-erasing step in which an old image displayed on the displaying section of the electrophoresis display device is erased. The image-erasing step of the driving method of the electrophoresis display device according to an aspect of the invention further includes a first image-erasing sub step of displaying a first gradation in each of the pixels of a first area and displaying a second gradation in each of the pixels of a second area, where the pixels are grouped into the first area and the second area arrayed adjacent to each other in the displaying section of the electrophoresis display device, the first area being made up of either a single pixel or plural pixels, the second areas being also made up of either a single pixel or plural pixels; and a second image-erasing sub step of displaying the second gradation in each of the pixels of the first area and displaying the first gradation in each of the pixels of the second area.03-05-2009
20090096744DISPLAY DEVICE AND GAMMA DATA ADJUSTING METHOD THEREOF - A display device including a display panel which displays an image, a signal controller which comprises a gamma data storing unit, and receives an external signal to drive the display panel. The signal controller extracts a gamma data signal from the external signal, stores the gamma data signal in the gamma data storing unit, and controls displaying of an image based on the gamma data signal to the display panel.04-16-2009
20090231268ELECTROPHORETIC DISPLAY DEVICE, METHOD OF DRIVING ELECTROPHORETIC DISPLAY DEVICE, AND ELECTRONIC APPARATUS - An electrophoretic display device includes a display unit that is formed so that electrophoretic elements containing electrophoretic particles are held between a pair of substrates. The display unit is formed of a plurality of pixels. Each of the pixels includes a pixel electrode, a pixel switching element, and a latch circuit connected between the pixel electrode and the pixel switching element. A plurality of the pixels located in at least portion of the display unit each are any one of a first pixel and a second pixel. The first pixel satisfies a relationship that the gate capacitance charging time of a P-MOS transistor of a transfer inverter of the latch circuit is shorter than the gate capacitance charging time of a P-MOS transistor of a feedback inverter of the latch circuit, a relationship that the gate capacitance charging time of an N-MOS transistor of the transfer inverter is longer than the gate capacitance charging time of an N-MOS transistor of the feedback inverter, or both the relationships. The second pixel satisfies a relationship that the gate capacitance charging time of a P-MOS transistor of a transfer inverter of the latch circuit is longer than the gate capacitance charging time of a P-MOS transistor of a feedback inverter of the latch circuit, a relationship that the gate capacitance charging time of an N-MOS transistor of the transfer inverter is shorter than the gate capacitance charging time of an N-MOS transistor of the feedback inverter, or both the relationships.09-17-2009
20090231267DRIVING METHOD OF ELECTROPHORETIC DISPLAY DEVICE, ELECTROPHORETIC DISPLAY DEVICE, AND ELECTRONIC APPARATUS - A driving method of an electrophoretic display device, including a pair of substrates with an electrophoretic element which is interposed between the substrates and contains electrophoretic particles, a plurality of pixel electrodes formed at an electrophoretic element side of either one substrate of the pair of substrates, and a common electrode which opposes to the plurality of pixel electrodes and is formed at an electrophoretic element side of the other substrate, includes an image display step of inputting potentials, which are determined according to image data, to the plurality of pixel electrodes and a predetermined potential to the common electrode and displaying an image according to the image data by driving the electrophoretic element, and an image maintaining step of causing the plurality of pixel electrodes and the common electrode to have the same potential after the image display step.09-17-2009
20090231266ELECTROPHORETIC DISPLAY APPARATUS AND OPERATING METHOD THEREOF - Disclosed are embodiments of an electrophoretic display apparatus and an operating method thereof. According to one or more embodiments, an update voltage compensating for the degradation of an image is applied to a related pixel after a predetermined time interval elapses, when a plurality of images are consecutively displayed on one screen. Thus, the update voltage may be prevented from being applied to the pixel before the image degradation occurs, thereby preventing the pixel from being over-charged.09-17-2009
20090315824Electrophoretic display sheet, electrophoretic display apparatus, and electronic device - An electrophoretic display sheet comprising a display layer, a first electrode, and second electrodes. The display layer has a plurality of reservoir portions filled with a dispersion liquid containing particles. Each of the plurality of reservoir portions has predetermined positions. When an electric field having a direction is generated by applying a voltage to between the first electrode and the second electrodes, the particles are locally gathered to the predetermined positions of each of the plurality of reservoir portions so as to make rows of the particles along the direction of the electric field in the dispersion liquid. The electrophoretic display sheet is capable of exhibiting both superior responsiveness (responsibility) and superior color display performance with high contrast in changing a display color.12-24-2009
20090251404ELECTROPHORETIC DISPLAY AND DRIVING METHOD THEREOF - An electrophoretic display includes first and second gate lines, a data line that crosses the first and second gate lines, a first pixel connected to the first gate line and the data line, and a second pixel positioned on the opposite side of the data line from the first pixel and connected to the second gate line and the data line.10-08-2009
20090256799METHODS FOR DRIVING ELECTRO-OPTIC DISPLAYS - A data structure for use in controlling a bistable electro-optic display having a plurality of pixels comprises a pixel data storage area storing, for each pixel of the display, data representing initial and desired final states of the pixel, and a drive scheme index number representing the drive scheme to be applied; and a drive scheme storage area storing data representing at least all the drive schemes denoted by the drive scheme index numbers stored in the pixel data storage area. A corresponding method of driving a bistable electro-optic display using such a data structure is also provided.10-15-2009
20100156780METHODS FOR ACHIEVING IMPROVED COLOR IN MICROENCAPSULATED ELECTROPHORETIC DEVICES - A method for manufacturing a full color, reflective display includes the steps of depositing a first plurality of electrophoretic display elements in substantial registration with a first electrode and a second plurality of electrophoretic display elements in substantial registration with a second electrode. The electrophoretic display elements include a capsule containing a species of particles dispersed in a suspending fluid. The selective deposition of the display elements can be achieved by ink jet printing methods, screen printing methods or other printing methods. In some embodiments the electrodes are printed onto the substrate before selective deposition of the display elements, while in other embodiments the substrate is provided having the electrodes already disposed on it. In still other embodiments, the sequence of printing of electrodes and electrophoretic display elements can be varied.06-24-2010
20100149089ELECTRO PHORETIC DISPLAY DEVICE INCLUDING TOUCH PANEL - Disclosed is an electro phoretic display (EPD) device capable of minimizing the whole thickness and weight by integrally including a photo-sensing touch panel and minimizing the number of lines such as a signal line. The EPD device includes first and second substrates facing each other, a plurality of gate lines, a plurality of common lines, and a driving voltage line formed on the first substrate in a first direction, an output line formed and a plurality of data lines defining pixel regions by crossing the gate lines in a second direction, pixel transistors formed at intersecting parts between the respective gate lines and the data lines, a pixel electrode formed at each pixel region, a sensing transistor formed between one of the common lines and the driving voltage line, an output transistor formed between one of the gate lines, adjacent to the sensing transistor, and the sensing transistor to transmit an output signal to the output line, a sensing capacitor formed between one of the common lines and a connection part between the sensing transistor and the output transistor, a common electrode formed over the entire surface of the second substrate, and an electro phoretic layer formed between the first and the second substrates.06-17-2010
20090079689Display Device And Electric Apparatus Using The Same - A standard electrode 03-26-2009
20100177032ELECTROPHORETIC DISPLAY DEVICE, ELECTRONIC APPARATUS, AND METHOD OF MANUFACTURING ELECTROPHORETIC DISPLAY DEVICE - An electrophoretic display device includes: first and second substrates; an electrophoretic layer which is interposed between the first and second substrates; and a third substrate which is disposed opposite the first substrate with the second substrate interposed therebetween, which is joined to the first substrate with a sealing member interposed therebetween, and which seals the electrophoretic layer with the second substrate interposed therebetween. The first and third substrates have extension sections extending with respect to the second substrate in a plan view. The sealing member fills a part of a gap between the extension section of the first substrate and the extension section of the third substrate, and the sealing member does not come into contact with an outer edge of the third substrate.07-15-2010
20090046052ELECTROPHORETIC DISPLAY DEVICE AND METHOD OF DRIVING SAME - An electrophoretic display (“EPD”) device includes an EPD panel to display an image, and a driving circuit to drive the EPD panel. To display an individual image, the driving circuit supplies a first refresh signal to display a black gray scale, a second refresh signal to display a white gray scale, an inverse image data signal to display an inversed image of the individual image, an image data signal to display the individual image, and a reset signal to provide a direct current unbalance between the first and second refresh signals to the EPD panel.02-19-2009
20090046051ELECTRO-DIELECTRO-PHORETIC DISPLAY DEVICE AND METHOD THEREOF - Electrophoretic particles and dielectrophoretic particles are included together in a unit pixel. Each of the electrophoretic particles and the dielectrophoretic particles includes two kinds of particles having different electric properties. The electrophoretic particles include positively charged particles and negatively charged particles. The dielectrophoretic particles include particles having low dielectric constant and particles having high dielectric constant. A first electric field for moving the electrophoretic particles and a second electric field for moving the dielectrophoretic particles are applied to the unit pixel. The second electric field has an asymmetric gradient in the direction where the dielectrophoretic particles move to determine movement directions of the dielectrophoretic particles having different dielectric constants.02-19-2009
20100238106Driving Method for Electrophoretic Display Panel and Electrophoretic Display Apparatus using the same - A driving method for an electrophoretic display panel and an electrophoretic display apparatus using the same are provided. The electrophoretic display apparatus comprises the electrophoretic display panel and a gate driver. The driving method comprises the following steps: employing a gate driver to output gate-driving signals to the electrophoretic display panel for enabling the electrophoretic display panel to perform an image-updating operation; enabling the gate driver to stop outputting the gate-driving signals to the electrophoretic display panel in a period after performing the image-updating operation and before performing a next image-updating operation.09-23-2010
20100225575PARTICLE DISPERSION FOR DISPLAY, DISPLAY MEDIUM AND DISPLAY DEVICE - A particle dispersion for display including: first particles for display including a colorant and a first polymer having a first charging group, the first particles for display being movable in response to an electric field; a first polymeric dispersant attached to the first particles for display; second particles for display including a colorant and a second polymer having a second charging group, the second particles for display being movable in response to an electric field; a second polymeric dispersant attached to the second particles for display; and a dispersing medium in which the first particles for display and the second particles for display are dispersed, the first polymeric dispersant and the second polymeric dispersant having different weight average molecular weights so that the first particles for display and the second particles for display start moving upon application of different voltages.09-09-2010
20110057871ELECTROPHORETIC DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - An electrophoretic display apparatus includes a display unit, a signal voltage application circuit, and a common voltage application circuit. The display unit includes a first substrate, a second substrate facing the first substrate, a partition wall, a first electrode formed on the first substrate, a second electrode formed on the second substrate. A pixel space which is surrounded by the partition wall, the first substrate, and the second substrate contains dispersant suspending positively-charged particles and negatively-charged particles. The signal voltage application, circuit applies a signal voltage to the first electrode. The signal voltage includes a write signal voltage to display an image on the display unit, and a post-write signal voltage which gradually changes from the write signal voltage to a hold signal voltage, the hold signal voltage maintaining a display state of the display unit. The common voltage application circuit applies a common voltage to the second electrode.03-10-2011
20110057870ELECTROPHORETIC DISPLAY PANEL - An electrophoretic display panel includes a first substrate, a second substrate, a partition wall, first electrodes, a second electrode, a dispersant, positively-charged particles, negatively-charged particles, weakly-charged particles, switching thin film transistors, scanning lines, and signal lines. Pixel spaces are surrounded by the partition wall, the first substrate and the second substrate. Two of the first electrodes are formed on the first substrate in each pixel. The second electrode facing the first electrodes is formed on the second substrate. The dispersant with the positively-charged particles, the negatively-charged particles, and weakly-charged particles is contained in the pixel spaces. The switching thin film transistors are connected to the first electrode, and the signal line. The scanning lines supply scanning signals to gate electrodes of the switching thin film transistors. The signal lines input a data signal to the switching thin film transistors.03-10-2011
20110057869MOBILE WRITER FOR ERASABLE MEDIA - A mobile imaging system includes an erasable medium and an imaging device. The erasable medium can be a UV imageable photochromic medium. The imaging device includes an input for generating imageable content in the device, a sensor for detecting and interpreting interaction of the device with respect to an imageable surface of the erasable medium, and an imaging component, responsive to the sensor, for outputting the generated content onto the imageable surface of the erasable medium.03-10-2011
20090256798Automatic Configuration Of Update Operations For A Bistable, Electropic Display - An apparatus embodying principles of the invention includes first, second, and at least one pipeline units. The first unit generates synthesized pixel data from pixels of an image and pixels of a previous image. The second unit determines an update mode by comparing pixels of the image with corresponding pixels of the previous image to determine if at least one condition is true. The conditions may be configurable. In addition, the second unit selects an update mode from two or more update modes if the first condition is true. The pipeline unit determines a waveform for each pixel of the image and transmits the waveform as impulse data to a bistable, electro-optic display device. The apparatus may further include a pipeline selecting unit to select a pipeline from two or more pipelines according to the selected update mode.10-15-2009
20090073111Method of Driving Electrophoresis Display Device, Electrophoresis Device, and Electronic Apparatus - A method of driving an electrophoresis display device having a displaying portion which includes an lectrophoresis element containing electrophoresis particles and disposed between a first electrode and a second electrode opposing to one another and which consists of a plurality of pixels, the driving method including a step of performing an image writing step in which an image is written into the displaying portion by applying a first potential or a second potential to the first electrode separately provided for the pixel and applying a reference pulse in which the first potential and the second potential repeatedly alternate at a predetermined interval to the second electrode which is a common electrode shared by all the pixels, and a step of performing at least one contrast maintaining step including a short term interval step in which the second electrode and all the first electrodes fall in a high impedance state for five or less seconds and an auxiliary pulse inputting step in which at least one cycle of the reference pulse is applied to the second electrode and a potential which is equivalent to the potential applied during the image writing step is applied to the first electrode while the reference pulse is applied.03-19-2009
20120242565REFLECTOR AND DISPLAY DEVICE HAVING THE SAME - Discussed are a high efficiency reflector which reflects multiple color light, and a display device which can increase display quality by applying the high efficiency reflector thereto. The reflector includes a first reflective layer pair reflecting red light, a second reflective layer pair reflecting green light, and a third reflective layer pair reflecting blue light. The first to third reflective layer pairs are formed as a plurality of inorganic layers.09-27-2012
20090153465Electrophoretic Display Apparatus - An electrophoretic display apparatus includes a display module and a case. The display module includes a flexible array substrate, a front plane laminate, a driving circuit and a flexible printed circuit board. The flexible array substrate has a display area and a peripheral circuit area adjacent to the display area. The front plane laminate is disposed on the display area. The driving circuit is electrically connected to the flexible array substrate. The flexible printed circuit board is electrically connected to the driving circuit. The case contains the display module and has an opening exposing at least a part of the front plane laminate.06-18-2009
20080231592Electrophoretic Display Device - A display device (09-25-2008
20100289736ELECTROPHORETIC PARTICLES, AND PROCESSES FOR THE PRODUCTION THEREOF - An electrophoretic medium comprises at least one electrically charged particle dispersed posed in a fluid. The electrically charged particle comprises an inorganic black pigment having a surface area of at least about 7 m11-18-2010
20100295768Electronic paper display device and manufacturing method thereof - The present invention relates to a paper display device and a manufacturing method thereof. The electronic paper display device includes: a first electrode; a first partition wall which is disposed on the first electrode, and defines a number of cell regions; a second partition wall which faces the first partition wall, and defines the cell regions together with the first partition wall; a substrate including a second electrode, wherein the second electrode is disposed on the second partition wall, and faces the first electrode; dielectric fluid filled in at least each of the cell regions; and twist balls individually floating within the dielectric fluid of each of the cell regions.11-25-2010
20090066635Electyrophoretic display and method for driving the same - Disclosed is an electrophoretic display and a method for driving the electrophoretic display. The method for driving the electrophoretic display, which includes a first electrode, a second electrode, and an electrophoretic layer including electrophoretic particles disposed in a plurality of pixels receiving the voltage for driving from the first electrode and the second electrode and provided between the first electrode and the second electrode includes applying a reset voltage to the pixels, applying a reset compensation voltage including reversed polarity to the reset voltage to the pixels, applying an image display voltage including the same or different polarity during a predetermined time between the neighboring pixels, and applying an image display compensation voltage including reversed polarity to the image display voltage to the pixels during a predetermined time. The foregoing method provides a potential distribution which is symmetrical in the boundary region between the neighboring pixels such that the display size of the real image of each of the pixels is uniform and an afterimage may be prevented, thereby improving the display performance.03-12-2009
20090243996ELECTROPHORETIC DISPLAY DEVICE, METHOD OF DRIVING THE SAME, AND ELECTRONIC APPARATUS - A method of driving an electrophoretic display device that includes a display unit that includes a plurality of pixels is provided. Each of the pixels includes a pair of a pixel electrode and a common electrode; an electrophoretic element that is driven on the basis of a potential difference between the pixel electrode and the common electrode; a pixel switching element; a memory circuit; and a switch circuit. The method includes: writing an image signal to the memory circuit through the pixel switching element; and displaying a predetermined image on the display unit by performing a switching control by the switch circuit in accordance with an output based on the image signal of the memory circuit to supply a predetermined potential to the pixel electrode. At least when the electrophoretic element is driven in accordance with an external input from outside of the electrophoretic display device, the predetermined image is displayed on the display unit in parallel with the writing of the image signal to the memory circuit at the same time.10-01-2009
20090322669Novel Systems, Methods and Compositions Relating to Display Elements - A display element is described. The display element includes: a network; a continuous phase; and a discontinuous mobile phase, which is capable of responding to an externally applied electric field such that under influence of the externally applied electric field, without effecting bulk movement of the continuous phase, the mobile phase displaces from one location to another location through or within the network.12-31-2009
20100013756Electrophoretic display device and packing structure thereof - An electrophoretic display device includes: an electrophoretic display panel; a COF (Chip On Film) attached to at least one side of the display panel and having a driving element mounted thereon; and a support frame installed on a rear surface of the electrophoretic display panel, wherein the COF is attached to the support frame through a double-sided tape.01-21-2010
20100053067E-paper display control of classified content based on e-paper conformation - A method for one or more portions of one or more regions of an electronic paper assembly having one or more display layers includes, but is not limited to: one or more conformation sensor modules configured to direct acquisition of first information associated with one or more conformations of one or more portions of one or more regions of the electronic paper assembly and one or more multi-layer display control modules configured to direct control of display of one or more portions of one or more display layers of the electronic paper assembly regarding display of second information having one or more classifications in response to the first information associated with the one or more conformations of the one or more portions of the one or more regions of the electronic paper assembly. In addition to the foregoing, other related method/system aspects are described in the claims, drawings, and text forming a part of the present disclosure.03-04-2010
20100060563ELECTRONIC DOCUMENT READER - We describe an electronic document reading device having a front, display surface and a device rear surface, the device including a connector mounted on an edge of the device. The device includes a back panel having an exterior surface to provide the rear surface and an interior surface, wherein the back panel is substantially transparent and the interior surface of the back panel is substantially opaque, and wherein the back panel has a cut-out for the connector such that a rear surface of the connector is substantially flush with the device rear surface provided by the exterior of the transparent back panel, such that the opaque interior surface of the transparent back panel gives the impression of a device thinner than a physical thickness of the device defined by the substantially flush connector rear surface and the device rear surface.03-11-2010
20100053068Bendable electronic device status information system and method - A method includes, but is not limited to: obtaining and sending one or more bendable electronic device physical status related information portions to the bendable electronic device based upon the obtaining of the first information. In addition to the foregoing, other related method/system aspects are described in the claims, drawings, and text forming a part of the present disclosure.03-04-2010
20110069001ELECTRONIC PAPER DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - An electronic paper display device includes: a display-side electrode disposed at a display side and formed of a transparent material; a back electrode disposed to face the display-side electrode; a substrate provided as a single layer disposed between the display-side electrode and the back electrode and including a plurality of first and second micro cups which are arranged in a two-dimensionally close-packed manner such that one micro cup is surrounded by different adjacent micro cups; and a plurality of first and second optical anisotropic elements disposed in the first and second micro cups, respectively, and having an optical characteristic changing in response to an electromagnetic change and a different driving voltage to change the optical characteristic.03-24-2011
20110043441ELECTROPHORETIC PARTICLES, ELECTROPHORETIC PARTICLE DISPERSION, DISPLAY MEDIUM AND DISPLAY DEVICE - Electrophoretic particles including mother particles and a dispersant that covers the surface of the mother particles, the mother particles including a resin and a colorant, and the dispersant having a structure represented by the following Formula (1):02-24-2011
20110050561Color Electrophoretic Display and Display Method Thereof - A color electrophoretic display and a display method thereof are provided. First, three primary color display data is generated according to a color image data, and whether or not to display a color image is determined. When it is determined not to display the color image, the three primary color display data is converted into gray display data according to a gray gamut look up table to display a gray picture on the electrophoretic display. When it is determined to display the color image, the color gamut of the three primary color display data is adjusted according to a color gamut look up table to display a color picture on the electrophoretic display.03-03-2011
20110050560Thin Electronic Reader Device - A thin electronic reader device is provided. The electronic reader device may have a reduced thickness. The device may comprise a top case housing having a front side and a back side. The device may also comprise a bottom case housing having a front side and a back side. The front side of the bottom case housing may be removably attached to the back side of the top case housing. The device may further comprise an electronic paper display nested within the top case housing. The electronic paper display may be adapted to display viewable images. The device may additionally comprise an interactive screen that may be affixed to the front side of the top case housing. The interactive screen may be adapted to overlie the electronic paper display.03-03-2011
20110248909ELECTROPHORETIC DISPLAY DEVICE AND ELECTRONIC APPARATUS - Provided is an electrophoretic display device including: a first substrate; a second substrate; an electrophoretic layer which is arranged between the first substrate and the second substrate and has at least a dispersion medium and particles mixed in the dispersion medium; a plurality of first electrodes which is formed in an island shape on the electrophoretic layer side of the first substrate and is provided for each pixel; and a second electrode which is formed on the electrophoretic layer side of the second substrate with an area wider than that of the first pixel electrode. Gradation is controlled using an area of the particles which are visually recognized when the electrophoretic layer is viewed from the second electrode side.10-13-2011
20080252592Electrophoretic Display Panel - The electrophoretic display panel (10-16-2008
20080204400DISPLAY DEVICE AND RECORDING MEDIUM STORING DISPLAY PROGRAM - A display device allows a user to move displayed pages as the user actually reads a paper book. The display device includes an n-page forwarder for moving a displayed page forward by n pages (n is an arbitrary integer equal to or larger than 3), a one-page forwarder for moving a displayed page forward by one page, and a page backwarder for moving a displayed page backward either by (n/2) pages if “n” is an even number, or by {(n−1)/2} pages if “n” is an odd number.08-28-2008
20080204399DRIVING METHOD FOR ELECTROPHORETIC DISPLAY - A driving method for an electrophoretic display including first electrodes, a second electrode, and electrophoretic particles positioned in pixel areas, includes applying a reset voltage to the particles, applying a reset compensation voltage having an opposite polarity to that of the reset voltage to the particles after applying the reset voltage, applying an image displaying compensation voltage having a same polarity as the reset compensation voltage to the particles positioned in at least one of the pixel areas after applying the reset compensation voltage, and applying an image displaying voltage having an opposite polarity to that of the image displaying compensation voltage to the particles positioned in the at least one of the pixel areas. Accordingly, the pixel electrode may be refreshed without inversed images such that the display performance of the electrophoretic display may be improved.08-28-2008
20110090143ELECTROPHORETIC DISPLAY DEVICE AND FABRICATION METHOD THEREOF - Disclosed is an electrophoretic display device and fabrication method capable of reducing fabricating costs and simplifying a fabrication process by forming an electrophoretic layer directly on a substrate having a thin film transistor or a substrate having a common electrode. The method including preparing a first and second substrates each having a display region and a non-display region, forming a thin film transistor on the first substrate, forming a passivation layer on the first substrate having the thin film transistor to be planarized, forming a pixel electrode on the passivation layer, forming an electrophoretic layer directly on the passivation layer and the pixel electrode, forming a common electrode on the second substrate, and bonding the first substrate and the second substrate to each other.04-21-2011
20110095972ELECTROPHORETIC DISPLAY DEVICE - An electrophoretic display device includes pixel electrodes, a transparent electrode, and an electrophoretic ink layer. The electrophoretic ink layer includes a transparent film. Grooves are defined on the transparent film. Each groove is arranged between one of the pixel electrodes and the transparent electrode, and includes suspension fluid, and charged pigment particles dispersed in the suspension fluid. When application of an electric field between one of the pixel electrodes and the transparent electrode causes movement of the charged pigment particles of one of the grooves corresponding to the pixel electrode, and the groove displays a corresponding color.04-28-2011
20090189851Image Display Medium, Preparation Method Thereof - An image display medium is disclosed, which medium includes a pair of substrates each having an electrode and colored particles between the pair of substrates, and the colored particles have an absolute electric charge of 0.5 to 4.0 μC/g.07-30-2009
20080218471ELECTROPHORETIC DISPLAY WITH THERMAL CONTROL - An electrophoretic display (EPD) with thermal control is disclosed for controlling and maintaining an image in extreme temperature environments. Techniques are also disclosed for maintaining the EPD cell threshold voltage for EPD cells comprising an EPD display media at or above a desired level in an environment in which the EPD may be subjected to an extreme temperature. The techniques comprise sensing a sensed temperature associated with the EPD display media, determining whether the sensed temperature satisfies a criterion established to ensure that the display media temperature remains at a level associated with an acceptable EPD cell threshold voltage, and in the event it is determined that the sensed temperature does not satisfy the criterion, controlling the EPD display media temperature as required to bring the sensed temperature to a level that satisfies the criterion.09-11-2008
20110148750MOBILE DEVICE ELECTRONIC INK DISPLAY PRESERVING CRITICAL DATA - The present disclosure relates to mobile devices with e-ink (electronic ink) displays configured to preserve and display critical data, such as responsive to loss of power. The mobile devices may include cell phones, smart phones, pagers, PDAs, and the like, and the mobile devices are equipped with an e-ink or e-paper technology type display. The mobile device is configured to write out critical data to the display upon Critical Battery notification or upon other criteria. In an exemplary embodiment, a mobile device includes memory; input/output interfaces; a processor; an electronic ink display; and an interface communicatively coupling the memory, the input/output interfaces, the processor, and the electronic ink display; wherein the electronic ink display is configured to display data responsive to predetermined criteria.06-23-2011
20100026622Electronic device wireless display - Disclosed herein is an apparatus. The apparatus includes a housing, electronic circuitry, and an electronic component. The electronic circuitry is in the housing. The electronic circuitry includes a first capacitive connection pad. The electronic component is removably attached to an outer surface of the housing. The electronic component includes a second capacitive connection pad located opposite the first capacitive connection pad to form a capacitive connection between the electronic circuitry and the electronic component.02-04-2010
20090174651ADDRESSING SCHEMES FOR ELECTRONIC DISPLAYS - An electronic display comprises an electro-optic material (preferably an electrophoretic medium) having a plurality of pixels, and separate first, second and third sets of addressing means for addressing these pixels. Each of the pixels is associated with one addressing means in each of the three sets, such that addressing of any specific pixel requires application of signals within predetermined ranges to each of the three addressing means associated with the specific pixel being addressed. The display may be in the form of a multi-page electronic book.07-09-2009
20110304529DISPLAY ELEMENT - A display element includes a first electrode including conductive lines, a second electrode, and a dielectric layer on the first electrode. The dielectric layer has recess regions therein exposing at least portions of the conductive lines. The display element includes a fluid with colorant particles between the first electrode and the second electrode.12-15-2011
20120001842DISPLAY - A display includes a first sub-pixel and a second sub-pixel. The first sub-pixel includes a first electrokinetic display element and a first color filter over the first electrokinetic display element. The first electrokinetic display element includes a fluid with first colorants and second colorants. The second sub-pixel is laterally directly adjacent to the first sub-pixel. The second sub-pixel includes a second electrokinetic display element and a second color filter over the second electrokinetic display element. The second electrokinetic display element includes the fluid with the first colorants and the second colorants.01-05-2012
20120206328 Dual particle electrophoretic display and method of manufacturing same - Single particle and dual-particle electrophoretic display devices are disclosed. The display comprises a back substrate and including a substantially hollow container that includes a transparent substrate forming a cavity therebetween. The transparent substrate including one or more cathode electrodes forming a plurality of electronically and selectively addressable pixels; one or more side walls extending from the transparent substrate, the side walls defining corresponding pixels, and a suspension fluid including a plurality of pigment particles in fluid communication with each of the cells by a gap formed between the top of the side walls and the back substrate. In addition, the displays include a thin-film transistor (TFT) active matrix substrate to selectively drive one or more cathode electrodes. In addition, methods for manufacturing of the displays are disclosed.08-16-2012
20090135131DISPLAY - A display including a first substrate, a first electrode, a second substrate, a second electrode, and a mixed solution is provided. The first electrode is disposed on the first substrate, and the second electrode is disposed on the second substrate. In addition, the mixed solution is disposed between the first electrode and the second electrode. Moreover, the mixed solution includes a solution and a plurality of first neutral micro-particles disposed in the solution.05-28-2009
20110102313ELECTROPHORESIS DISPLAY PANEL - An electrophoresis display panel includes a plurality of first sub-pixels, a plurality of second sub-pixels, a plurality of third sub-pixels, and a plurality of white sub-pixels. The first sub-pixels, the second sub-pixels, and the third sub-pixels are suitable for irradiating different light of three primary colors, respectively, while the white sub-pixels are suitable for irradiating white light. Each of the first sub-pixels does not adjoin the second sub-pixels and the third sub-pixels. Each of the second sub-pixels does not adjoin the third sub-pixels. Each of the first sub-pixels adjoins the white sub-pixels exclusively or adjoins the white sub-pixels and other first sub-pixels exclusively.05-05-2011
20100085299ELECTRTO-OPTIC DISPLAY - An electro-optic display includes a first substrate provided thereon with a first electrode, a second substrate provided thereon with a second electrode forming an electric field in cooperation with the first electrode, and an electro-optic material interposed between the first and second substrates. The electro-optic material includes a non-polar solvent and a polar solvent dispersed in the non-polar solvent and controlled by the electric field. The first electrode is disposed on a non-display region of the first substrate including a plurality of pixels each of which having a display region, in which an image is displayed, and the non-display region adjacent to the display region. At least one of a reflective layer and a light sourcing layer defines an amount of light passed through the display area.04-08-2010
20110181502DISPLAY PANEL AND DISPLAY APPARATUS HAVING THE SAME - A display panel includes a first substrate, a second substrate, an electrophoretic layer, and a shielding electrode. The first substrate includes a first base substrate and pixel electrodes disposed on the first base substrate. The second substrate includes a second base substrate and a common electrode disposed on the second base substrate to face the pixel electrodes. The electrophoretic layer is disposed between the first substrate and the second substrate to display a gray-scale image. The shielding electrode is disposed between the pixel electrodes and faces the common electrode with the electrophoretic layer interposed between the shielding electrode and the common electrode to receive a voltage corresponding to a black gray-scale.07-28-2011
20090058798METHOD FOR DRIVING ELECTROPHORESIS DISPLAY DEVICE, ELECTROPHORESIS DISPLAY DEVICE, AND ELECTRONIC APPARATUS - There is provided a method for driving an electrophoresis display device equipped with a plurality of pixel electrodes, each of the pixel electrode being provided for every pixel, a common electrode provided to oppose the plurality of pixel electrodes, and an electrophoresis element containing electrophoresis particles, the electrophoresis element being sandwiched by the plurality of pixel electrodes and the common electrode. The method for driving an electrophoresis display device includes driving the electrophoresis element and updating a display by a common voltage swing drive method in which a rectangular wave in which a first potential and a second potential are repeated is applied to the common electrode for not less than one cycle during a display update time in which the first potential or the second potential for moving the electrophoresis particles is applied to each of the pixel electrodes. A frequency of the rectangular wave is not less than 20 Hz.03-05-2009
20100060564E-paper display control of classified content based on e-paper conformation - A method for one or more portions of one or more regions of an electronic paper assembly having one or more display layers includes, but is not limited to: obtaining and controlling display of one or more portions of one or more display layers of the electronic paper assembly regarding display of second information having one or more classifications in response to the first information associated with one or more changes in the one or more conformations of the one or more portions of the one or more regions of the electronic paper assembly. In addition to the foregoing, other related method/system aspects are described in the claims, drawings, and text forming a part of the present disclosure.03-11-2010
20100001946ELECTROPHORETIC DISPLAY DEVICE AND ELECTRONIC APPARATUS - An electrophoretic display device includes a first substrate and a second substrate that face each other, an electrophoretic element disposed between the first substrate and the second substrate, the electrophoretic element including electrophoretic particles, a display unit that has a plurality of pixels including the electrophoretic element, a common electrode that is formed on an electrophoretic element side of the second substrate, and a first control line and a second control line that are formed in either the first substrate or the second substrate. Each of the plurality of pixels includes a pixel switching element, a memory circuit that is connected to the pixel switching element, a switching circuit that is connected to the memory circuit, and a first pixel electrode and a second pixel electrode that are connected to the switching circuit and are disposed to face the common electrode. The switching circuit includes a first switch that controls a conductive state between the first control line and the first pixel electrode in accordance with an output signal of the memory circuit and a second switch that controls a conductive state between the second control line and the second pixel electrode in accordance with the output signal of the memory circuit.01-07-2010
20090322670Color bistable display - A capsule for a color display includes an outer shell (12-31-2009
20120188152ELECTROPHORETIC DISPLAY DEVICE - The invention relates to an electrophoretic display device, to a driver circuit for use in the electrophoretic display device and to chargeable or charged pigment particles for use in the electrophoretic display device. The electrophoretic display device comprises a pixel comprising charged pigment particles for determining a pigmentation of the pixel. The pixel comprises an aperture area being a visible part of the pixel determining the pigmentation of the pixel. The pixel further comprises a storage area for storing the charged pigment particles away from the aperture area. The pixel comprises an accumulation electrode arranged at the storage area for accumulating the charged pigment particles away from the aperture area, and comprises a field electrode occupying a field-electrode area being at least a part of the aperture area of the pixel. The charged pigment particles are movable between the accumulation electrode and the field electrode under control of an electric field. A dimension of the charged pigment particles is selected sufficiently small to obtain a uniform distribution of charged pigment particles across the field-electrode area.07-26-2012
20120326957FULL COLOR REFLECTIVE DISPLAY WITH MULTICHROMATIC SUB PIXELS - A full color, reflective display having superior saturation and brightness is achieved with a novel display element comprising multichromatic elements. In one embodiment a capsule includes more than three species of particles which differ visually. One embodiment of the invention employs three sub-pixels, each sub-pixel comprising capsules including three species of particles which differ visually. Another embodiment of the invention employs color filters to provide different visual states to the user. The display element provides a visual display in response to the application of an electrical signal to at least one of the capsules.12-27-2012
20120326956DISPLAY ELEMENT, AND ELECTRICAL DEVICE USING SAME - A display element includes an upper substrate (first substrate), a lower substrate (second substrate), an effective display region and a non-effective display region that are defined with respect to a display space formed between the upper substrate and the lower substrate, and a polar liquid that is movably sealed in the display space. In the display element, a common electrode (first electrode) and a pixel electrode (second electrode) are provided. The effective display region and the non-effective display region are defined so that the polar liquid is moved along the up-and-down direction in the display space.12-27-2012
20120092243PROCESSING METHOD FOR A DEVICE HAVING A BI-STABLE DISPLAY AND APPARATUS - A processing method for a device having a bi-stable display includes transforming a target page to be turned to; calculating overlap between the transformed target page and a current page; and determining whether the overlap of the transformed page complies with a predetermined criterion.04-19-2012
20120287030DISPLAY DEVICE - An embodiment of the disclosed technology provides a display device comprising an electrophoresis solution tank containing electrophoresis solution and at least a rolling ball used for display colors, the rolling ball being immerged into the electrophoresis solution; and a shelter layer disposed above and covering the electrophoresis solution tank, the shelter layer being made up of an opaque material. A light transmitting hole is formed in the shelter layer and above the core of the rolling ball, so that the light of the color to be currently displayed on the rolling ball passes through the light transmitting hole for display, while the light of the colors not intended to be displayed is blocked by the shelter layer.11-15-2012
20100207868DISPLAY PARTICLES FOR IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY APPARATUS USING THE SAME - Display particles that are used for an image display apparatus in which the display particles are sealed between two substrates at least one of which is transparent, and by generating an electric field between the substrates, the display particles are moved so that an image is displayed, wherein the display particles include positively chargeable display particles and negatively chargeable display particles, and the positively chargeable display particles and the negatively chargeable display particles are formed by allowing inorganic fine particles made of the same constituent materials to be adhered to the surfaces of base particles, and an image display apparatus provided with the display particles.08-19-2010
20100207867Display - A display includes a first substrate, a partition element, a second substrate, a dielectric liquid, a plurality of dielectrophoretic particles and a plurality of electrophoretic particles. The partition element is disposed on the first substrate. The second substrate is disposed on the partition element. The partition element forms at least one accommodating room between the first substrate and the second substrate. The first substrate or the second substrate is adapted to forming an electric field in the accommodating room. The dielectric liquid is disposed in the accommodating room and has a first dielectric constant. The dielectrophoretic particles are dispersed in the dielectric liquid. Each of the dielectrophoretic particles has a first color and a second dielectric constant different from the first one. The electrophoretic particles are dispersed in the dielectric liquid. Each of the electrophoretic particles has a second color different from the first one. Another display is also provided.08-19-2010
20080231593Electrophoretic Display Device - The electrophoretic display panel has an electrophoretic medium having charged particles, a plurality of picture elements, electrodes associated with each picture element for receiving a potential difference, and drive means. The drive means are arranged for controlling the potential difference of each of the plurality of picture elements to be a potential difference for enabling the particles to occupy the position corresponding to image information. For the display panel to be able to provide a smoother change-over from one image to another, the drive means are arranged for providing, during a portion of the image transition period, different starting times for application of the potential differences within the duration of the portion of the transition period for potential differences having a duration less than the maximum duration of the portion of the image transition period.09-25-2008
20080224993In-Plane Switching Display Devices - A display device comprises an array of rows and columns of pixels, wherein each pixel (09-18-2008
20080224992ELECTROPHORETIC DISPLAY AND METHOD OF DRIVING THE SAME - In an electrophoretic display, a display panel includes a first electrode receiving a data voltage, a second electrode receiving a common voltage while facing the first electrode and a plurality of pixels each of which includes charged particles arranged between the first electrode and the second electrode. The display panel receives the data voltage in response to a gate signal at a high state during a data output period to display an image, maintains a current image in response to the gate signal at a low state during a maintaining period, and receives a refresh voltage in response to the gate signal at the high state to reset the image. Thus, the electrophoretic display may prevent distortion of the image during the maintaining period.09-18-2008
20080224991Repairing Method and Structure of Display Electrode - A display electrode structure and the repairing method thereof are described. The display electrode structure includes a display electrode and at least one opening formed on the display electrode and extending toward the inside of the display electrode so as to easily repair a display electrode defect thereon. The display electrode repairing method uses a laser beam to cut a display electrode from the opening and along the metal line to separate the display electrode from an adjacent display electrode so as to remove a short circuit between the display electrode and the adjacent display electrode.09-18-2008
20080224990ACTIVE MATRIX CIRCUIT SUBSTRATE AND DISPLAY DEVICE - Provided is an active matrix circuit substrate including: a substrate on which a plurality of pixels are formed in a predetermined region; a plurality of pixel electrodes which are respectively provided in the pixels formed on the substrate and include peripheral pixel electrodes which protrude from the predetermined region to an outer region of the predetermined region; and pixel driving circuits which are provided in the predetermined region of the substrate in correspondence with the pixel electrodes and supply driving signals to the pixel electrodes.09-18-2008
20080224989Electrophoretic Display and a Method and Apparatus for Driving an Electrophoretic Display - An electrophoretic display, in which a driving method is employed whereby a sequence of discrete picture potential differences in the form of a driving waveform is supplied for enabling the charged particles (09-18-2008
20130127702ELECTROPHORETIC DEVICE, METHOD OF MANUFACTURING THE SAME, AND DISPLAY - An electrophoretic device includes: a plurality of electrophoretic particles in an insulating liquid; and a porous layer formed of a fibrous structure in the insulating liquid, the fibrous structure having a polarity same as a polarity of the electrophoretic particles.05-23-2013
20130141323ELECTOPHORETIC DISPLAY DEVICE AND METHOD FOR FABRICATING THE SAME - An electrophoretic display device includes: a first substrate having a plurality of pixels formed in a plurality of vertical pixel rows and a plurality of horizontal pixel rows; a plurality of data lines formed at every vertical pixel row of the first substrate; a thin film transistor (TFT) formed at each pixel of the first substrate and including a source electrode, a drain electrode, an organic semiconductor layer, and a gate electrode; a passivation layer formed on the TFTs and the data lines of the first substrate and including a first contact hole exposing the drain electrode of the TFT and a second contact hole exposing the gate electrode of the TFT; a pixel electrode formed on the passivation layer at each pixel of the first substrate and connected with the drain electrode of the TFT via the first contact hole of the passivation layer; a plurality of gate lines formed on the passivation layer at every horizontal pixel row of the first substrate and connected with the gate electrode of the TFT via the second contact hole of the passivation layer; a second substrate attached to the first substrate in a facing manner; a common electrode formed on the second substrate; and an electrophoretic film formed between the first and second substrates.06-06-2013
20100073280PARTICLE FOR DISPLAY, PARTICLE DISPERSION LIQUID FOR DISPLAY, DISPLAY MEDIUM, AND DISPLAY DEVICE - A particle for a display includes a colored particle containing a colorant and a polymer having a chargeable group; and a polymer gel layer that covers a surface of the colored particle and contains a polymer gel.03-25-2010
20090051646Flexible Electrophoretic-Type Display - An electrophoretic-type display device including an array of microcells, where each microcell is formed by a microwell containing a quantity of ink and a polymer-based membrane connected to upper edges of the microwell. The membrane is formed by curing an aqueous or hydroalcoholic sealing solution that is overcoated on the ink-filled microwells. The ink includes an isoparaffinic-based or oil-based suspension fluid, and the peripheral side walls of the microwell have a surface energy in the range of 20 to 30 mN/m. The microwell material serves two purposes: to prevent displacement (floating) of the relatively light ink solution above the relatively heavy sealing solution, and to facilitate reliable attachment between the polymer membrane and microwell walls during subsequent curing.02-26-2009
20100309112COLOR DISPLAY MATERIALS AND RELATED METHODS AND DEVICES - Pixel devices, comprising ink particles differing in electrical charge, mass and/or shape contained within a fluidic structure, and related arrays methods and systems.12-09-2010
20100309111Electrophoretic Display Panel - An electrophoretic display panel includes a first substrate and an electrophoretic layer disposed on the first substrate. The first substrate includes a plurality of pixel areas. Each of the pixel areas has a first electrode and a second electrode formed therein. The first electrode is electrically insulated with the second electrode. The electrophoretic display panel has better light utility efficiency.12-09-2010
20100315326ELECTRONIC PAPER DISPLAY WHITESPACE UTILIZATION - A system for and method for electronic paper display device content formatting is presented. The system and method may include receiving an electronic request to format electronic paper display device content at an a network accessible device, determining remaining available display space on a page view of a electronic paper display associated with an electronic paper display device, identifying additional electronic content for inclusion in the page view based at least in part on a comparison of one or more attributes of the additional electronic content with the determined remaining available display space, and adding the identified additional electronic content to the page view.12-16-2010
20130187844LIGHT SENSITIVE DISPLAY APPARATUS AND OPERATING METHOD THEREOF - A light sensitive display apparatus and an operating method thereof are disclosed herein. The light sensitive display apparatus includes a plurality of pixels, and the operating method of the light sensitive display apparatus includes the following steps. In a writing state, a first data voltage and a first gate voltage are provided to the pixels, and the pixels illuminated by light rays are switched to or kept in a first display state. In an erasing state, a second data voltage and a second gate voltage are provided to the pixels, and the pixels illuminated by light rays are switched to or kept in a second display state.07-25-2013
20090027328ACTIVE MATRIX DEVICES - An active matrix device has an array of rows and columns of pixels over a common substrate. Each pixel has a row conductor (01-29-2009

Patent applications in class Particle suspensions (e.g., electrophoretic)