Patent application number | Description | Published |
20080239174 | Optical recording apparatus, optical recording method, and image display apparatus - An optical recording apparatus and a method of optical recording are disclosed in which: a DC voltage of a first polarity is applied, as a reset voltage for initializing a display layer, to one of a plurality of divided electrodes which is selected in a predetermined sequence along a specified direction, and reset light is irradiated onto a photoconductor layer in a region corresponding to the selected divided electrode; and a DC voltage of a second polarity opposite to the first polarity is applied, as an image writing voltage for writing an image in the display layer, to the selected divided electrode, and image light corresponding to input image information is irradiated onto the photoconductor layer in the region corresponding to the selected divided electrode. Also disclosed is an image display apparatus including the optical recording apparatus. | 10-02-2008 |
20090002274 | OPTICALLY WRITABLE DISPLAY MEDIUM, OPTICAL WRITING DEVICE, AND IMAGE DISPLAY APPARATUS - An optically writable display medium, which includes a display layer, a photoconductor layer and a pair of electrodes, is provided. The display layer is capable of selectively reflecting incident light in response to an applied voltage and it has memory capability. Electrical resistance of the photoconductor layer changes in response to writing light with which the photoconductor layer is irradiated. The pair of electrodes are disposed such that the display layer and the photoconductor layer are interposed therebetween, with at least one of the electrodes having plural segmented electrodes juxtaposed along a predetermined direction. Each power receiving terminal of the plural segmented electrodes is disposed such that part of a region of the power receiving terminal of each segmented electrode overlaps, in the predetermined direction, but does not contact part of a region of the power receiving terminal of the segmented electrode that is adjacent thereto. | 01-01-2009 |
20090159345 | DISPLAY MEDIUM AND WRITING APPARATUS - The present invention provides a display medium which prevents a decrease in reflectance during storage at high temperatures, and a writing apparatus using the display medium. A photoconductive layer | 06-25-2009 |
20090162575 | LIQUID CRYSTAL-CONTAINING COMPOSITION, AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME - A liquid crystal-containing composition and a liquid crystal display device including the same, the liquid crystal-containing composition including a cholesteric liquid crystal and microcapsules containing the cholesteric liquid crystal, and having a wall component comprising at least one selected from the group consisting of polyurethane and polyurea, the wall component further including a first isocyanurate component having a cyclo ring structure and a second isocyanate component other than the first isocyanurate component. | 06-25-2009 |
20090191361 | LIQUID CRYSTAL-CONTAINING COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE THEREWITH - A liquid crystal-containing composition includes a microcapsule. In the microcapsule, a liquid crystal is encapsulated by a shell material component containing polyurea. Monomer components included in the polyurea include a polyisocyanate component, a high molecular weight polyamine component and a low molecular weight polyamine component. | 07-30-2009 |
20100091203 | OPTICAL WRITING APPARATUS, OPTICAL WRITING METHOD, AND RECORDING MEDIUM - An optical writing apparatus includes an irradiation unit which irradiates a writing light on an optical writing image display medium comprising a photoconductor layer and a display layer, a voltage applying unit which applies an image writing pulse voltage to the display layer and the photoconductor layer, and a control unit. The control unit controls the irradiation unit such that, at a first time interval at which the writing light is irradiated, the writing light is irradiated on the photoconductor layer, and controls the voltage applying unit such that a first pulse voltage is applied at an interval which is longer than the first time interval, and such that a second pulse voltage whose polarity is opposite to a polarity of the first pulse voltage and whose absolute value is larger than an absolute value of the first pulse voltage is applied after application of the first pulse voltage. | 04-15-2010 |
20100164848 | LIQUID CRYSTAL-CONTAINING COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A liquid crystal-containing composition includes a cholesteric liquid crystal and a microcapsule wall that encapsulates the cholesteric liquid crystal, the microcapsule wall includes at least one material selected from polyurethane and polyurea, and the content of the microcapsule wall with respect to 100 parts by weight of the cholesteric liquid crystal is from about 0.1 parts to about 11 parts by weight. | 07-01-2010 |
20100165260 | LIQUID CRYSTAL-CONTAINING COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A liquid crystal-containing composition includes a first cholesteric liquid crystal having a peak wavelength of selective reflection in the range of from 600 nm to 800 nm and encapsulated in a microcapsule and a second cholesteric liquid crystal having a peak wavelength of selective reflection in the range of from 400 nm to 500 nm as the only liquid crystals, and the content of the second cholesteric liquid crystal with respect to the entire cholesteric liquid crystal content is from about 5 weight % to about 40 weight %. | 07-01-2010 |
20100245695 | LIQUID CRYSTAL DISPLAY ELEMENT, LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME, AND IMAGE DISPLAY METHOD - A liquid crystal display element includes a first substrate having a first electrode on one surface thereof, a transparent second substrate having a transparent second electrode on one surface thereof, a first liquid crystal layer containing a liquid crystal composition, a color filter, and a second liquid crystal layer containing a liquid crystal composition, and at least one of the first and second liquid crystal layers includes an additive having dielectric properties, and the dielectric constant of the first liquid crystal layer is different from that of the second liquid crystal layer. | 09-30-2010 |
20100309538 | DISPLAY MEDIUM AND DISPLAY DEVICE - A display medium includes: a pair of substrates; an electrode arranged between the pair of substrates and on one substrate of the pair of substrates; a multilayered structure including plural color-forming layers arranged between one substrate of the pair of substrates and the electrode, each of the plural color-forming layers containing an electroconductive sheet-like porous body and an electrochromic dye which is retained by the porous body and is reversibly colored or decolored by at least one of an electrochemical oxidation reaction or a reduction reaction, and the colors when the electrochromic dyes in the respective plural color-forming layers are colored being different from one another; and an electrolytic material included in a region between the pair of substrates. | 12-09-2010 |
20110175893 | DISPLAY MEDIUM AND DISPLAY APPARATUS - The present invention provides a display medium including a pair of substrates; pixel electrodes disposed on one of the pair of substrates; a common electrode disposed on the other substrate of the pair of substrates; and a display layer, the common electrode includes two or more common electrode layers containing a first common electrode layer and a second common electrode layer which being disposed across a gap in a thickness direction, and electrical voltages thereof being controlled independently of each other, the first common electrode layer containing at least one electrode unit and at least one non-electrode area corresponding to a disposition of the pixel electrodes, and the second common electrode layer containing at least one second electrode unit, the at least one second electrode layer completely overlapping with at least the at least one non-electrode area of the first common electrode layer in a thickness direction. | 07-21-2011 |
20110316835 | DISPLAY DEVICE - There is provided a display device including: a pair of substrates; a display medium dispersed between the pair of substrates, and including plural kinds of particle groups that move in accordance with an electric field formed between the substrates and have different colors and different absolute values of movement voltages required to move; a voltage applying unit that applies a voltage between the substrates; a first acquisition unit which acquires area information indicating an area corresponding to plural pixels of an image displayed on the display medium; and a control unit that controls the voltage applying unit to apply voltages, which have the same polarity between pixel areas and are equal to or higher than a maximum value among the absolute values of the movement voltages of the kinds of particle groups, to the respective pixel areas when the first acquisition unit acquires the area information. | 12-29-2011 |
20120044228 | DISPLAY MEDIUM, METHOD OF PRODUCING DISPLAY MEDIUM, AND DISPLAY DEVICE - A display medium includes: a pair of substrates; a spacing member that maintain a gap between the pair of substrates and has a first portion projecting in an intersecting direction, the intersecting direction intersecting a direction in which the pair of substrates face each other; and a holding layer that is provided on at least one of the pair of substrates such that the holding layer fills a space between the at least one of the pair of substrates and an end face of the spacing member, the holding layer covers the first portion from the end face of the spacing member, and the holding layer holds an end part of the spacing member in the direction in which the pair of substrates face each other. | 02-23-2012 |
20130222882 | POLYMER DISPERSANT FOR IMAGE DISPLAY PARTICLES, IMAGE DISPLAY PARTICLES, DISPERSION LIQUID FOR IMAGE DISPLAY PARTICLES, DISPLAY MEDIUM, AND DISPLAY DEVICE - A polymer dispersant for image display particles, including a copolymer having a repeating unit derived from a polymer component with a silicone chain, a repeating unit derived from a hydrophobic polymer component other than the polymer component with a silicone chain, and a repeating unit derived from a polymer component with a polyalkylene glycol structure. | 08-29-2013 |
20130222885 | DISPERSION LIQUID FOR ELECTROPHORETIC DISPLAY, DISPLAY MEDIUM, AND DISPLAY DEVICE - There is provided a dispersion liquid for electrophoretic display, containing a dispersion medium | 08-29-2013 |
20130222887 | ELECTROPHORETIC PARTICLE, ELECTROPHORETIC PARTICLE DISPERSION LIQUID, DISPLAY MEDIUM, AND DISPLAY DEVICE - There is provided an electrophoretic particle which contains a core material particle formed of a composition containing a resin, a nitrogen-containing heterocyclic compound having any one of an imino group, a methylol group and an alkoxymethyl group in the molecule and a heterocyclic ring having a nitrogen atom, and a coloring agent. | 08-29-2013 |
20140104675 | PARTICLE DISPERSION FOR DISPLAY, DISPLAY MEDIUM, AND DISPLAY DEVICE - A particle dispersion for display includes color particles for display that move in response to an electric field and include first color particles and second color particles; and a dispersion medium that disperses the color particles for display, in which the second color particles have a larger particle diameter than a particle diameter of the first color particles and the same charging characteristic as a charging characteristic of the first color particles, and in the color particles for display, a ratio (Cs/Cl) of a charge amount Cs of the first color particles per unit area of display to a charge amount Cl of the second color particles per unit area of display is less than or equal to 5. | 04-17-2014 |
20140210865 | DRIVING DEVICE OF IMAGE DISPLAY MEDIUM, IMAGE DISPLAY APPARATUS, AND NON-TRANSITORY COMPUTER READABLE MEDIUM - Provided is a driving device of an image display medium including a voltage application unit that varies a voltage applied to a common electrode provided in one of a pair of substrates, and applies a voltage to a pixel electrode provided in the other substrate through active matrix driving, with respect to the image display medium including plural kinds of particles, and a controller that controls the voltage application unit such that a voltage is applied between the pair of substrates, and controls the voltage application unit such that a deviation time of a scanning timing generated due to the active matrix driving during transition to the steps and a potential difference between the pair of substrates in the deviation time are equal to or less than predefined threshold characteristics of the particles. | 07-31-2014 |