Patent application number | Description | Published |
20090009852 | ELECTROPHORETIC PARTICLES AND PROCESSES FOR THE PRODUCTION THEREOF - Polymer-coated pigment particles produced using atom transfer radical polymerization provide electrophoretic media having improved bistability without requiring addition to the electrophoretic fluid of additives which increase switching time. | 01-08-2009 |
20090046082 | ELECTROWETTING DISPLAYS - The performance of electro-wetting displays can be improved by: (a) providing a concealment member ( | 02-19-2009 |
20090109522 | ELECTRO-OPTIC DISPLAYS, AND PROCESSES FOR THE PRODUCTION THEREOF - A sub-assembly for use in an electro-optic display comprises, in this order: a release sheet ( | 04-30-2009 |
20090122389 | ELECTRO-OPTIC ASSEMBLIES, AND ADHESIVES AND BINDERS FOR USE THEREIN - An electro-optic assembly comprises an adhesive layer and a layer of electro-optic material. The adhesive layer comprises a polymeric adhesive material and an ionic material having either its cation or its anion fixed to the polymeric adhesive material. The ionic material reduces the volume resistivity of the polymeric adhesive material and is not removed upon heating to 50° C. In a similar electro-optic assembly comprising an adhesive layer and a layer of electro-optic material, the adhesive layer comprises a polymeric adhesive material which has been subjected to dialysis or diafiltration to remove organic species having a molecular weight less than about 3,500, so that the adhesive material has a content of N-methylpyrrolidone not exceeding 500 ppm based upon the total weight of the adhesive layer and layer of electro-optic material. | 05-14-2009 |
20100039706 | ELECTRO-OPTIC DISPLAY WITH EDGE SEAL - Various types of edge seals for protecting electro-optic displays against environmental contaminants are described. In one type of seal, the electro-optic layer is sandwiched between a backplane and a protective sheet and a sealing material extends between the backplane and the protective sheet. In other seals, the protective sheet is secured to the backplane or to a second protective sheet adjacent the backplane. The electro-optic layer can also be sealed between two layers of adhesive or between one layer of adhesive and the backplane. Other seals make use of flexible tapes extending around the periphery of the display. | 02-18-2010 |
20100044894 | PREPARATION OF CAPSULES - Prior art processes for producing protein-based capsules (for example, capsules for use in electrophoretic media) tend to be wasteful because they produce many capsules outside the desired size range, which is typically about 20 to 50 μm. Capsule size distribution and yields can be improved by either (a) emulsifying a water-immiscible phase in a preformed coacervate of the protein; or (b) using a limited coalescence process with colloidal alumina as the surface-active particulate material. | 02-25-2010 |
20110012825 | ELECTROPHORETIC 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 |
20110032595 | COMPONENTS AND METHODS FOR USE IN ELECTRO-OPTIC DISPLAYS - An electro-optic display comprises, in order, a backplane comprising a plurality of pixel electrodes; a layer of a solid electro-optic medium; a main adhesive layer; and at least one of a light-transmissive protective layer and a light-transmissive electrically-conductive layer. The electro-optic layer may be in direct contact with the backplane or separated therefrom by a thin auxiliary layer of adhesive. The main adhesive layer may be colored to provide a color filter array. An inverted front plane laminate useful in forming such a display comprises the same layers except that the backplane is replaced by a release sheet. The display combines good low temperature performance and good resolution at higher temperatures. | 02-10-2011 |
20110032596 | COMPONENTS AND TESTING METHODS FOR USE IN THE PRODUCTION OF ELECTRO-OPTIC DISPLAYS - A laminate comprising a solid electro-optic medium and an electrically conductive layer is tested by passing it over a pair of electrodes at different potentials, with the electrically conductive layer lying on the opposed side of the electro-optic medium from the electrodes. An article which can be tested by this method, and which is useful in the manufacture of electro-optic displays, comprises a layer of a solid electro-optic medium and a release sheet comprising an electrically conductive layer. | 02-10-2011 |
20110164307 | ELECTRO-OPTIC DISPLAYS, AND PROCESSES FOR THE PRODUCTION THEREOF - A first apparatus for displaying a color image comprises an electro-optic display ( | 07-07-2011 |
20110193840 | METHODS FOR DRIVING ELECTROPHORETIC DISPLAYS USING DIELECTROPHORETIC FORCES - A dielectrophoretic display has a substrate having walls defining a cavity, the cavity having a viewing surface and a side wall inclined to the viewing surface. A fluid is contained within the cavity; and a plurality of particles are present in the fluid. There is applied to the substrate an electric field effective to cause dielectrophoretic movement of the particles so that the particles occupy only a minor proportion of the viewing surface. | 08-11-2011 |
20110193841 | METHODS FOR DRIVING ELECTROPHORETIC DISPLAYS USING DIELECTROPHORETIC FORCES - A dielectrophoretic display has a substrate having walls defining a cavity, the cavity having a viewing surface and a side wall inclined to the viewing surface. A fluid is contained within the cavity; and a plurality of particles are present in the fluid. There is applied to the substrate an electric field effective to cause dielectrophoretic movement of the particles so that the particles occupy only a minor proportion of the viewing surface. | 08-11-2011 |
20110199671 | METHODS FOR DRIVING ELECTROPHORETIC DISPLAYS USING DIELECTROPHORETIC FORCES - A dielectrophoretic display has a substrate having walls defining a cavity, the cavity having a viewing surface and a side wall inclined to the viewing surface. A fluid is contained within the cavity; and a plurality of particles are present in the fluid. There is applied to the substrate an electric field effective to cause dielectrophoretic movement of the particles so that the particles occupy only a minor proportion of the viewing surface. | 08-18-2011 |
20110286082 | ELECTRO-OPTIC DISPLAY WITH EDGE SEAL - Various types of edge seals for protecting electro-optic displays against environmental contaminants are described. In one type of seal, the electro-optic layer is sandwiched between a backplane and a protective sheet and a sealing material extends between the backplane and the protective sheet. In other seals, the protective sheet is secured to the backplane or to a second protective sheet adjacent the backplane. The electro-optic layer can also be sealed between two layers of adhesive or between one layer of adhesive and the backplane. Other seals make use of flexible tapes extending around the periphery of the display. | 11-24-2011 |
20110292493 | ELECTRO-OPTIC DISPLAY WITH EDGE SEAL - Various types of edge seals for protecting electro-optic displays against environmental contaminants are described. In one type of seal, the electro-optic layer is sandwiched between a backplane and a protective sheet and a sealing material extends between the backplane and the protective sheet. In other seals, the protective sheet is secured to the backplane or to a second protective sheet adjacent the backplane. The electro-optic layer can also be sealed between two layers of adhesive or between one layer of adhesive and the backplane. Other seals make use of flexible tapes extending around the periphery of the display. | 12-01-2011 |
20110292494 | ELECTRO-OPTIC DISPLAY WITH EDGE SEAL - Various types of edge seals for protecting electro-optic displays against environmental contaminants are described. In one type of seal, the electro-optic layer is sandwiched between a backplane and a protective sheet and a sealing material extends between the backplane and the protective sheet. In other seals, the protective sheet is secured to the backplane or to a second protective sheet adjacent the backplane. The electro-optic layer can also be sealed between two layers of adhesive or between one layer of adhesive and the backplane. Other seals make use of flexible tapes extending around the periphery of the display. | 12-01-2011 |
20120176664 | EDGE SEALS FOR, AND PROCESSES FOR ASSEMBLY OF, ELECTRO-OPTIC DISPLAYS - An electro-optic display comprises a backplane; a layer of electro-optic material disposed adjacent the backplane; a protective layer; and a sealing layer of a metal or a ceramic extending between the backplane and the protective layer, and thus sealing the layer of electro-optic material from the outside environment. | 07-12-2012 |
20120182597 | COLOR ELECTRO-OPTIC DISPLAYS, AND PROCESSES FOR THE PRODUCTION THEREOF - A color filter array is provided in an electro-optic display by ink jet printing a plurality of colored areas ( | 07-19-2012 |
20140009817 | ELECTRO-OPTIC DISPLAYS WITH REDUCED REMNANT VOLTAGE - The invention provides materials and methods (including driving methods) for reducing the effects of remnant voltages in electro-optic displays. | 01-09-2014 |
20140211296 | ELECTROPHORETIC 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 percent of the polymer. | 07-31-2014 |
20150070744 | ELECTRO-OPTIC DISPLAY WITH EDGE SEAL - Various types of edge seals for protecting electro-optic displays against environmental contaminants are described. In one type of seal, the electro-optic layer is sandwiched between a backplane and a protective sheet and a sealing material extends between the backplane and the protective sheet. In other seals, the protective sheet is secured to the backplane or to a second protective sheet adjacent the backplane. The electro-optic layer can also be sealed between two layers of adhesive or between one layer of adhesive and the backplane. Other seals make use of flexible tapes extending around the periphery of the display. | 03-12-2015 |