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 |
20090201569 | DISPLAY PARTICLE AND METHOD FOR PRODUCING THE SAME, DISPLAY PARTICLE DISPERSION, DISPLAY MEDIUM, AND DISPLAY DEVICE - A display particle includes: a colored particle including a polymer having a charging group and a colorant; and a reactive silicone polymer or a reactive long-chain alkyl polymer, the polymer being bound to or covering the surface of the colored particle. | 08-13-2009 |
20090244693 | POLYMER GEL-CONTAINING COMPOSITION, LIGHT MODULATING DEVICE AND LIGHT MODULATING METHOD - The polymer gel-containing composition of the present invention contains a solvent having a dielectric constant ε of 5 or less at 20° C., and an ionic polymer gel whose volume is changeable due to being driven with voltage. The ionic polymer gel preferably has a hydrophobic group and an ionic group, and the ionic group preferably has delocalized charge. Further, the ionic polymer gel preferably has a hydrophilic group. | 10-01-2009 |
20090253879 | POLYMER COMPOUND AND OIL ABSORBENT - The present invention provides a polymer compound having a repeating structure represented by the following Formula (1) or Formula (3). In Formula (1) or Formula (3), R | 10-08-2009 |
20100073280 | PARTICLE 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 |
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 |
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 |
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 |
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 |
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 |