Patent application number | Description | Published |
20080297489 | DATA INPUT SYSTEM - A data input system including electronic paper and a stylus writing device is disclosed. The electronic paper includes a transparent display substrate on which a number of optically readable code patterns have been formed, the optically readable code patterns representing positional information on a display surface, a rear surface substrate opposing the display substrate, and coloring particles that are enclosed between the display substrate and the rear surface substrate and that are movable by applying an electric or a magnetic field. The electronic paper displays an image due to motion of the particle. The stylus writing device includes a writing head provided at the end of the stylus for writing the image by applying an electric or a magnetic field to the electronic paper by contact and includes an optical reading device for optically reading the code patterns formed on the display surface where the end of the stylus contacts. | 12-04-2008 |
20080303778 | IMAGE 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 |
20080303779 | IMAGE 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 |
20090046053 | IMAGE 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 |
20090153943 | IMAGE DISPLAY MEDIUM, DRIVE DEVICE FOR IMAGE DISPLAY MEDIUM AND IMAGE DISPLAY DEVICE - An image display medium comprising a pair of substrates, at least one of which is light-transmissive; two or more kinds of particles having different colors and charge polarities, the particles being positioned between the pair of substrates such that the particles can move in response to an electric field generated between the pair of substrates; and an electric charge-retention layer provided at a side of at least one of the pair of substrates. | 06-18-2009 |
20090255985 | System for writing information and method of writing information - A medium writing apparatus obtains information to be written onto a recording medium, converts the information into a suitable writable format, and then writes the converted information onto the recording medium. An ID obtaining section obtains a medium ID from the recording medium, or through an input by the user. The medium ID and information indicating the place of the written information are sent to a server, and then stored as index information correlating them with each other. When the information written onto the recording medium is to be used at a later timing, the medium ID is identified, and the index information is obtained from the server. Therefore, the original information can be obtained so as to be easily reprocessed or reused. | 10-15-2009 |
20100020384 | IMAGE DISPLAY MEDIUM AND IMAGE DISPLAY DEVICE - An image display medium includes a pair of substrates, a liquid that is enclosed between the substrates, first colored particles, second colored particles and third colored particles. The first colored particles are colored a first color and move in response to an electric field that is formed between the substrates. The second colored particles are colored a second color and move in an opposite direction of the first colored particles. The third colored particles are colored a third color, are configured to have a particle diameter such that the third colored particles move through clearances between the first colored particles and the second colored particles in a state in which the first colored particles and the second colored particles have aggregated together, and move in response to an electric field that is formed between the substrates. | 01-28-2010 |
20100073281 | DISPLAY 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 |
20100142027 | DISPLAY MEDIUM AND DISPLAY DEVICE - A display medium is provided. The display medium includes a pair of electrodes disposed so as to have a gap therebetween, an electrolyte disposed between the pair of electrodes, an electroconductive porous layer disposed at least one of the pair of electrodes at the side facing the other electrode, a first electrochromic dye held by the porous layer, a second electrochromic dye dispersed in the electrolyte and forming a color different from the color of the first electrochromic dye. Both the first electrochromic dye and the second electrochromic dye are oxidation dyes which form colors by an electrochemical oxidation reaction and are rendered color-faded by an electrochemical reduction reaction, or reduction dyes which form colors by an electrochemical reduction reaction and are rendered color-faded by an electrochemical reduction reaction. The threshold values of voltages applied to the pair of the electrodes for changing from a color-faded state to a colored state of the first electrochromic dye and the second electrochromic dye satisfy a specific relationship. | 06-10-2010 |
20100225998 | PARTICLES FOR DISPLAY, PARTICLE DISPERSION FOR DISPLAY, DISPLAY MEDIUM AND DISPLAY DEVICE - Particles for display including color particles and a silicone polymer attached to a surface of the color particles, the silicone polymer including, as copolymerization components, a first silicone chain component, a second silicone component including a silicone chain that is shorter than a silicone chain of the first silicone component, and a component including a charging group | 09-09-2010 |
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 |
20110175939 | DISPLAY DEVICE - The invention provides a display device including a display medium, the display medium including a pair of substrates positioned so as to have a space therebetween, at least one of the substrates having translucency; a pair of electrodes respectively being positioned on the pair of substrates, the electrode positioned on the substrate having translucency having translucency; a dispersion medium positioned between the pair of electrodes; and first particles and second particles being dispersed in the dispersion medium and having different colors and different charge polarities, the first particles and the second particles electrophoretically moving independently from each other when a first voltage potential difference is applied between the pair of electrodes, and the first particles and the second particles electrophoretically moving while forming a positively or negatively charged flocculation when a second voltage potential difference that is smaller than the first voltage potential difference is applied between the pair of electrodes. | 07-21-2011 |
20110298835 | DISPLAY MEDIUM DRIVING DEVICE, DRIVING METHOD, DRIVING PROGRAM STORAGE MEDIUM, AND DISPLAY DEVICE - A driving device of a display medium that including first and second particle groups migrating independently due to a first voltage being imparted for a first time period, forming aggregates due to the first voltage being imparted for a second time period, and the aggregates migrating due to a second voltage being imparted. The driving device includes a voltage imparting section that: imparts a third voltage that moves, to a display substrate side, a greater-amount-needed particle group for gradation display, in an amount of a difference between particles of the first particle group and second particle group needed for the display; when the greater-amount-needed particle group has an opposite polarity to the aggregates, imparts a fourth voltage that moves the aggregates needed to the display substrate side; and when the polarities are same, imparts a fifth voltage that moves the aggregates not needed to a rear substrate side. | 12-08-2011 |
20120068990 | DISPLAY MEDIUM AND DISPLAY DEVICE - A display medium includes a pair of substrates, a dispersion medium sealed between the pair of substrates, a migrating particle group dispersed in the dispersion medium, and a surface layer provided on at least one of the facing surfaces of the pair of substrates and including a polymer compound that is a copolymer containing the following constitutional unit (A) and constitutional unit (B): | 03-22-2012 |
20120069423 | DISPLAY MEDIUM AND DISPLAY DEVICE - A display medium includes a pair of substrates, a dispersion medium sealed between the pair of substrates, a migrating particle group dispersed in the dispersion medium, and a surface layer provided on at least one of the facing surfaces of the pair of substrates and including a polymer compound that is a copolymer containing the following constitutional unit (A) and constitutional unit (B): | 03-22-2012 |
20120139966 | DISPLAY MEDIUM DRIVE DEVICE, COMPUTER-READABLE STORAGE MEDIUM, AND DISPLAY DEVICE - A display medium drive device includes: a translucent display medium, a back substrate opposing the display substrate, a dispersant sealed between the display substrate and the back substrate, and plural types of particle groups with different colors and charge polarities that are dispersed in the dispersant so as to move in the inter-substrate space in response to an electric field; and a voltage application unit which, in a case of displaying a gradation of a color of a first particle group, applies a first voltage and which is a voltage equal to or greater than a threshold voltage needed to cause at least some of the first particle group to detach from the display substrate or the back substrate and thereafter applies a second voltage that has the same polarity as the first voltage and is lower than the threshold voltage. | 06-07-2012 |
20120170105 | DISPLAY MEDIUM DRIVER, NON-TRANSITORY COMPUTER-READABLE MEDIUM, DISPLAY DEVICE, AND METHOD OF DRIVING DISPLAY MEDIUM - A display medium driver includes a translucent display substrate, a rear substrate that is opposed to the display substrate with a gap interposed therebetween, a dispersion medium enclosed between the substrates, a first particle group dispersed in the dispersion medium so as to migrate by applying a first voltage across the substrates, and a second particle group dispersed in the dispersion medium so as to migrate by applying a second voltage across the substrates, the driver including a setting unit setting a voltage value and a voltage application time of the first voltage with which the first particle group does not migrate at the time of causing the second particle group to migrate depending on a display density of the second particle group and a voltage application unit first applying the first voltage across the substrates and then applying the second voltage across the substrates. | 07-05-2012 |
20130021384 | DRIVE DEVICE, DISPLAY APPARATUS, AND COMPUTER READABLE MEDIUM - A drive device that drives a display medium displaying an image includes a setting unit that sets a drive voltage of second particles responsive to a display density of the second particles with respect to the image, and sets threshold characteristics of first particles responsive to the set drive voltage of the second particles and a display density of the first particles, and a voltage application unit that applies between a display substrate and a back substrate an initial drive voltage responsive to the threshold characteristics of the first particles set by the setting unit, and thereafter applies between the display substrate and the back substrate the drive voltage of the second particles responsive to the display density of the second particles set by the setting unit. | 01-24-2013 |
20130135361 | IMAGE DISPLAY MEDIUM DRIVER, IMAGE DISPLAY DEVICE, AND IMAGE DISPLAY MEDIUM DRIVING METHOD - An image display medium driver includes a voltage applying unit that applies a voltage between a pair of substrates of an image display medium that displays an image, the image display medium including plural groups of colored particles colored in a color which is different for every group, at least one of the substrates having transparent properties, each group of colored particles moved when the voltage equal to or higher than a threshold voltage in terms of absolute value, that is different for every group, and a controller that determines a substrate on which the colored particles are present for each group of colored particles based on the last image information used for displaying an image. | 05-30-2013 |
20130222884 | ELECTROPHORETIC PARTICLE, PARTICLE DISPERSION LIQUID FOR DISPLAY, DISPLAY MEDIUM AND DISPLAY DEVICE - There is provided an electrophoretic particle, which contains a colored particle containing a charged group-containing polymer and a coloring agent, and a branched silicone-based polymer being attached to the colored particle and containing, as copolymerization components, a reactive monomer and at least one monomer selected from specific monomers, and a particle dispersion liquid for display, a display medium and a display device. | 08-29-2013 |
20130234923 | DRIVING DEVICE OF IMAGE DISPLAY MEDIUM, IMAGE DISPLAY APPARATUS, DRIVING METHOD OF IMAGE DISPLAY MEDIUM, AND NON-TRANSITORY COMPUTER READABLE MEDIUM - A driving device of an image display medium includes a voltage applying unit that applies a voltage between substrates, a generation unit that generates a polarity pattern where a polarity is reversed at a time width shorter than a pulse width at which a colored particle, of which pulse width for displaying the maximum density is the shortest, displays the maximum density, and a controller that controls the voltage applying unit such that a voltage with the magnitude for driving each kind of the colored particles is applied to each pixel, the voltage being a voltage with the same polarity continuously selected for each kind of colored particle, and the voltage with the same polarity being selected from voltages of which polarities are reversed in the polarity pattern on the basis of information on each pixel of the image information. | 09-12-2013 |
20130321377 | DRIVING DEVICE OF IMAGE DISPLAY MEDIUM, IMAGE DISPLAY APPARATUS, DRIVING METHOD OF IMAGE DISPLAY MEDIUM, AND NON-TRANSITORY COMPUTER READABLE MEDIUM - Provided is a driving device of an image display medium which includes a pair of substrates having a transparent display substrate and a back substrate disposed so as to be opposite to the display substrate with a gap therebetween, a first electrode provided on the display substrate side, plural second electrodes provided on the back substrate side, and particles sealed between the pair of substrates, and which displays an image on the basis of image information,
| 12-05-2013 |
20130321381 | DRIVING DEVICE FOR DRIVING DISPLAY MEDIUM, DISPLAY DEVICE, METHOD OF DRIVING DISPLAY MEDIUM, AND DISPLAY METHOD - There is provided a driving device for driving a display medium that includes a pair of substrates and plural particle groups which are provided between the pair of substrates and have different colors and different threshold voltages for separation from the substrates, including an application unit that applies reset voltages for moving the plural particle groups to one of the pair of substrates between the substrates, each reset voltage being different from each other according to each of the plural particle groups. | 12-05-2013 |
20130335811 | DISPLAY MEDIUM DRIVER, NON-TRANSITORY COMPUTER-READABLE MEDIUM, DISPLAY DEVICE, AND METHOD OF DRIVING DISPLAY MEDIUM - A display medium driver includes a translucent display substrate, a rear substrate that is opposed to the display substrate with a gap interposed therebetween, a dispersion medium enclosed between the substrates, a first particle group dispersed in the dispersion medium so as to migrate by applying a first voltage across the substrates, and a second particle group dispersed in the dispersion medium so as to migrate by applying a second voltage across the substrates, the driver including a setting unit setting a voltage value and a voltage application time of the first voltage with which the first particle group does not migrate at the time of causing the second particle group to migrate depending on a display density of the second particle group and a voltage application unit first applying the first voltage across the substrates and then applying the second voltage across the substrates. | 12-19-2013 |
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 |
20140247258 | DRIVING DEVICE OF IMAGE DISPLAY MEDIUM, IMAGE DISPLAY APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM STORING DRIVING PROGRAM - A driving device of an image display medium includes an electric field applying unit that applies an electric field between a pair of substrates of an image display medium including first particles of which a first start voltage and a first end voltage vary depending on a variation in external environment and second particles of which a second start voltage and a second end voltage vary depending on the variation in external environment, an external environment acquiring unit, an information storage unit that stores information of an initial driving electric field for applying an adhesive force, the absolute value of which satisfies the first start voltage09-04-2014 | |
20140333646 | DRIVING DEVICE OF DISPLAY MEDIUM, NON-TRANSITORY COMPUTER READABLE MEDIUM STORING DRIVING PROGRAM OF DISPLAY MEDIUM, AND DISPLAY - Provided is a driving device of a display medium, including an application unit that applies a voltage with a pulse width corresponding to a density of a color to be displayed to each of plural pixels of a display medium in which plural kinds of particle groups having different movement starting voltages for movement between a pair of substrates according to an electric field and different colors are enclosed, and a controller that controls the application unit so that a first voltage with a pulse width corresponding to a density of a color of a first particle group finishes being applied to each of the plural pixels, and then a second voltage with a pulse width corresponding to a density of a color of a second particle group is applied thereto. | 11-13-2014 |