Patent application number | Description | Published |
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 |
20110043441 | ELECTROPHORETIC 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 |
20110063714 | ELECTROPHORETIC PARTICLES, ELECTROPHORETIC PARTICLE DISPERSION, DISPLAY MEDIUM AND DISPLAY DEVICE - An electrophoretic particle dispersion including: electrophoretic particles including first particles having a surface thereof covered with a curvature-adjustment portion formed from a curvature-adjustment material, a curvature at the surface of the curvature-adjustment portion being greater than the curvature of the first particles that do not include the curvature-adjustment portion; a crosslinking agent capable of binding the electrophoretic particles via a reversible crosslinked structure; and a dispersing medium in which the electrophoretic particles and the crosslinking agent are dispersed. | 03-17-2011 |
Patent application number | Description | Published |
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 |
20100188732 | MULTICOLOR DISPLAY OPTICAL COMPOSITION, OPTICAL DEVICE, AND DISPLAY METHOD OF OPTICAL DEVICE - The present invention provides a multicolor display optical composition comprising a dispersion medium, a periodic structure having a porous structure inside communicated with the outside, and mobile particles contained in the dispersion medium so as to be movable and having a volume average primary particle diameter from 1 nm to 80 nm in a dispersion state in the dispersion medium, a volume average particle diameter of coagulated particles of 100 nm or larger in optical coagulation state by stimulation application, and having a refractive index different from that of the dispersion medium by 0.1 or more, wherein the mobile particles show no coloration in the dispersion state when the particles are dispersed in the dispersion medium and show white coloration with a predetermined whiteness value or higher in the coagulation state when the particles are coagulated, an optical device, and a display method of the optical device. | 07-29-2010 |
20100225575 | PARTICLE 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 |
20100245982 | PARTICLES FOR DISPLAY, PARTICLE DISPERSION FOR DISPLAY, DISPLAY MEDIUM AND DISPLAY DEVICE - Particles for display including a colorant, a first polymer gel having a charging group and a second polymer compound having a hydrophilic group, the first polymer gel and the second polymer compound forming an IPN structure or a semi-IPN structure. | 09-30-2010 |
20110020748 | TONER PARTICLE FOR LIQUID DEVELOPMENT AND METHOD FOR MANUFACTURING THE SAME, LIQUID DEVELOPER, LIQUID DEVELOPER CARTRIDGE, PROCESS CARTRIDGE, AND IMAGE-FORMING APPARATUS - A toner particle for liquid development is provided, the toner particle having a plurality of projections and a coat above at least a part of a surface of the toner particle, the toner particle further containing a crystal that forms at least one of the plurality of projections. | 01-27-2011 |
20110279885 | MULTICOLOR DISPLAY OPTICAL COMPOSITION, OPTICAL DEVICE, AND DISPLAY METHOD OF OPTICAL DEVICE - The present invention provides a multicolor display optical composition comprising a dispersion medium, a periodic structure having a porous structure inside communicated with the outside, and mobile particles contained in the dispersion medium so as to be movable and having a volume average primary particle diameter from 1 nm to 80 nm in a dispersion state in the dispersion medium, a volume average particle diameter of coagulated particles of 100 nm or larger in optical coagulation state by stimulation application, and having a refractive index different from that of the dispersion medium by 0.1 or more, wherein the mobile particles show no coloration in the dispersion state when the particles are dispersed in the dispersion medium and show white coloration with a predetermined whiteness value or higher in the coagulation state when the particles are coagulated, an optical device, and a display method of the optical device. | 11-17-2011 |
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 |
Patent application number | Description | Published |
20130134655 | Sheet Conveyer - A sheet conveyer, including a first roller to rotate to convey a sheet in a conveying direction; a separator arranged to be opposed to the first roller and configured to nip the sheet and to separate the sheet from other sheets; a multiple sheet sensor arranged in a downstream position with respect to the first roller and configured to sense presence of multiple sheets, the multiple sheet sensor including an emitter and a receiver; and a second roller arranged in a downstream position with respect to the multiple sheet sensor and configured to convey the separated sheet, is provided. A component being at least one of the emitter and the receiver is arranged in an outer side position with respect to the separator, and at least a part of the component is arranged in an inner side position with respect to the second roller. | 05-30-2013 |
20130134667 | Image Reader and Sheet Feeding Device - An image reader may include a shaft, a roller, a guide, and a first side plate comprising a frame portion having a first frame portion, a pair of second frame portions, and a third frame portion connecting with the pair of second frame portions and a first hole surrounded by the frame portion. A first bearing member may be fitted in the first hole and include a bearing portion contacting the first frame portion. The first bearing member may be configured such that an end of the shaft is rotatably held. An engaged portion may extend from the bearing portion and include an engagement portion engaged with the first side plate. The image reader may further include a second side plate, a second bearing member disposed at the second side plate and configured such that the opposite side of the shaft is rotatably held, and a reading unit. | 05-30-2013 |
20140092401 | IMAGE READING APPARATUSES, IMAGE READING SYSTEMS, AND MEDIUM CONVEYING DEVICES - A medium conveying device, including a body, which includes a first inlet port, a first ejection port, a second inlet port, a second ejection port, and a conveyance path; a display device provided in the body that displays a display image. The medium conveying device may include a control device configured to acquire, via an acquisition device, installation information in which an installation condition of the body is reflected or setting information, which is externally set, regarding the installation condition of the body. The display device may be controlled, in accordance with the installation information or the setting information acquired by the acquisition device, in order to change the direction of the displayed image which is displayed on the display device. | 04-03-2014 |
20140092454 | IMAGE READING APPARATUS AND MEDIUM CONVEYING DEVICE - An image reading apparatus includes a roller that rotates about a rotating axis and conveys a particular medium in a conveying direction, a reader that reads the particular medium, and a body. The body includes a first port formed in the body, and a lid pivotably attached to the body and pivots about a pivoting axis, which is perpendicular to the conveying direction and the rotating axis. The lid pivots between a first position, in which the lid covers at least a portion of the first port, and a second position, in which the lid is separated from the first port. | 04-03-2014 |
20140103601 | Sheet Conveyer and Image Reading Apparatus - A sheet conveyer, including a first roller to rotate to convey a sheet in a conveying direction; a separator arranged to be opposed to the first roller and configured to nip the sheet and to separate the sheet from other sheets; a multiple sheet sensor arranged in a downstream position with respect to the first roller and configured to sense presence of multiple sheets, the multiple sheet sensor including an emitter and a receiver; and a second roller arranged in a downstream position with respect to the multiple sheet sensor and configured to convey the separated sheet, is provided. A component being at least one of the emitter and the receiver is arranged in an outer side position with respect to the separator, and at least a part of the component is arranged in an inner side position with respect to the second roller. | 04-17-2014 |
20140293374 | Image Reading Apparatus - An image reading apparatus may include a conveyor. The conveyor may include a first roller, a second roller, and a contact portion. The first roller may be configured to rotate on a first axis. One of the second roller and the contact portion may be disposed on an upstream side of the first axis along a conveyance path, and other of the second roller and the contact portion may be disposed on a downstream side of the first axis along the conveyance path. A first distance between a surface of the first roller and a surface of the second roller and a second distance between a surface of the first roller and a surface of the contact portion may be fixed. | 10-02-2014 |
20150060239 | IMAGE READING APPARATUS - An image reading apparatus includes a guide portion, a reader, a first drive roller and a second drive roller, and a first driven roller and a second driven roller. A first protrusion is formed in the reader and may be disposed on one side of the first drive roller. A second protrusion is formed in the reader and may be disposed on one side of the second drive roller. The second protrusion may protrude upward more than the first protrusion. | 03-05-2015 |
20150062672 | Image Scanning Apparatus - An image scanning apparatus is provided with a housing having a first inlet, a second inlet and an outlet, which are spaced from each other. A width of the first inlet is wider than that of the second inlet. A first guide is defined in the housing, connected to the first inlet and the outlet and has first and second guide surfaces opposing each other. A second guide is defined in the housing, connected to the second inlet and a confluence position, and has third guide and fourth guide surfaces opposing each other. The confluence position is defined in the second guide surface, the third guide surface is defined on the second guide surface side of the second inlet side with respect to the confluence position, a driven roller exposing from the third guide surface, and a scanning unit arranged between the confluence position and the outlet. | 03-05-2015 |