SIPIX IMAGING, INC. Patent applications |
Patent application number | Title | Published |
20150268531 | COLOR DISPLAY DEVICE - The present invention provides a reflective color display device which can display multiple color states, without the disadvantages associated with previously known color display devices. The display fluid of the present invention comprises (a) black and white electrophoretic particles which are oppositely charged and (b) charged color-generating particles having photonic crystal characteristics, all of which are dispersed in a solvent or solvent mixture. | 09-24-2015 |
20150070751 | ELECTROPHORETIC DISPLAY FILM FOR ANTI-COUNTERFEIT APPLICATION - The present invention is directed to an electrophoretic display film which can be controlled to malfunction permanently within a period of time. It provides an elegant method to utilize an electrophoretic film for anti-counterfeit purposes. The concept involves the removal of strong barrier layer(s) from the film to allow the solvent in the electrophoretic fluid within the film to evaporate through weak barrier layer(s), and within a period of time, the performance of the display film will be significantly degraded and the film cannot be re-used. | 03-12-2015 |
20140340736 | COLOR DISPLAY DEVICE WITH COLOR FILTERS - The present invention provides a multicolor display device which can display high quality color states. More specifically, an electrophoretic fluid is provided which comprises three or four types of particles and color filters are placed on the viewing side of the display device. | 11-20-2014 |
20140340735 | COLOR DISPLAY DEVICE - The present invention provides a color display device in which each pixel can display four high quality color states. More specifically, an electrophoretic fluid is provided which comprises four types of particles, dispersed in a solvent or solvent mixture. The fluid may further comprise substantially uncharged neutral buoyancy particles. | 11-20-2014 |
20140340734 | DRIVING METHODS FOR COLOR DISPLAY DEVICES - The present invention provides driving methods for electrophoretic color display devices. The backplane system used for the driving methods is found to be simpler which renders color display devices more cost effective. More specifically, the driving method comprises first driving all pixels towards a color state by modulating only the common electrode, followed by driving all pixels towards their desired color states by maintaining the common electrode grounded and applying different voltages to the pixel electrodes. | 11-20-2014 |
20140313566 | COLOR DISPLAY DEVICE - The present invention provides a realistic solution for a highlight or multicolor display device which can display high quality color states. More specifically, an electrophoretic fluid is provided which comprises four types of particles, having different levels of size, threshold voltage or charge intensity. | 10-23-2014 |
20140300651 | DRIVING BISTABLE DISPLAYS - The invention relates to waveforms, circuits and methods for driving bistable displays. The invention is directed to a method, comprising in combination: applying, across a bistable display device, a shaking signal comprising a plurality of positive and negative pulses each driven for a first time to disperse partially packed particles; applying, across the device, one or more first driving signals to first pixels of the device for second times that are sufficient to drive the first pixels to one or more reference states; and concurrently with the first driving signals, applying, across the device, one or more second driving signals to second pixels of the device for third times that are shorter than necessary to drive the second pixels to any of the one or more reference states. | 10-09-2014 |
20140293398 | ELECTROPHORETIC DISPLAY DEVICE - The present invention is directed to an electrophoretic display device which is suitable for passive matrix driving. The electrophoretic fluid may comprise two types of charged pigment particles wherein the two types of charged pigment particles carry opposite charge polarities, have contrasting colors and have different levels of charge intensity. Alternatively, there may be a third type of particles added to the fluid. | 10-02-2014 |
20140231728 | ELECTROPHORETIC FLUID - The present invention is directed to an electrophoretic fluid comprising transparent particles, as an additive. The presence of the transparent particles in the fluid provides improved display performance. | 08-21-2014 |
20140177031 | COLOR DISPLAY ARCHITECTURE AND DRIVING METHODS - The invention relates to a method for driving a display cell filled with an electrophoretic fluid comprising two types of charged particles carrying opposite charge polarities and of two contrast colors, wherein the two types of pigment particles are dispersed in a solvent of a color or in a solvent with non-charged or slightly charged colored particles dispersed therein. The method comprises driving said display cell to display the color of the solvent or the color of the non-charged or slightly charged colored particles by applying a driving voltage which is about 1 to about 20% of the full driving voltage. | 06-26-2014 |
20140147478 | MICROCUP COMPOSITIONS - The present invention is directed to a composition for preparing the microcups and the toughness of the display panel formed from such a composition may be significantly improved. In some cases, the panel may have an elongation at break of more than 10% and it can be completely peeled off from the substrate layer on which it is formed, without causing any damage to the panel. | 05-29-2014 |
20140092466 | COLOR DISPLAY DEVICE - The present invention provides a solution for a highlight or multicolor display device, in which each display cell can display high quality color states. More specifically, an electrophoretic fluid is provided which comprises three types of pigment particles, having different levels of size, threshold voltage or charge intensity. | 04-03-2014 |
20140092465 | COLOR DISPLAY DEVICE - The present invention provides a solution for a highlight or multicolor display device, in which each display cell can display high quality color states. More specifically, an electrophoretic fluid is provided which comprises three types of pigment particles, having different levels of size, threshold voltage or charge intensity. | 04-03-2014 |
20140078576 | ELECTROPHORETIC DISPLAY DEVICE - The present invention is directed to an electrophoretic display device comprising a plurality of display cells, wherein said display cells are filled with an electrophoretic fluid comprising: a) charged pigment particles of a first color; and b) a solid porous matrix of a second color, in which the charged pigment particles dispersed in a solvent. The electrophoretic fluid has many advantages, such as increased contrast without affecting the switching speed. | 03-20-2014 |
20140078036 | COLOR DISPLAY DEVICES - The present invention is directed to a color display comprising an electrophoretic fluid comprising two types of pigment particles of contrasting colors and carrying opposite charge polarities dispersed in a clear and colorless solvent, wherein said electrophoretic fluid is sandwiched between a common electrode and a plurality of colored sub-pixel electrodes or colored pixel electrodes. | 03-20-2014 |
20140057056 | ELECTROPHORETIC DISPLAY AND PROCESS FOR ITS MANUFACTURE - This invention relates to an electrophoretic display comprising a plurality of cells, each of said cells comprises: a) partition walls; b) an electrophoretic fluid filled therein; c) a polymeric sealing layer to enclose the electrophoretic fluid within the cell; and d) an interface between the electrophoretic fluid and the sealing layer. | 02-27-2014 |
20140055840 | COLOR TUNING FOR ELECTROPHORETIC DISPLAY DEVICE - The present invention is directed to color tuning methods for electrophoretic display devices. For example, a color tuning agent may be added to a composition for forming a display cell structure or a primer layer. Alternatively, a separate color tuning layer may be added to a display device. Further, a color tuning agent may be added to an electrophoretic display fluid. The color tuning methods are useful for adjusting the color temperature of a display device. | 02-27-2014 |
20140011913 | ELECTROPHORETIC FLUID - The present invention is directed to a display fluid comprising charged composite pigment particles dispersed in a solvent. The composite pigment particle comprises at least a core pigment particle, a shell coated over the core pigment particle and steric stabilizer molecules on the surface of the composite pigment particle, wherein the shell is formed from a monomer and a co-monomer. A display fluid comprising the composite pigment particles provides improved display performance. | 01-09-2014 |
20130321744 | DISPLAY DEVICE WITH WATERMARK - The present invention is directed to display devices comprising a watermark area and a non-watermark area. The watermark aims to protect against counterfeiting or to be used for decoration purposes. The watermark is visible at certain viewing angles and/or under certain lighting conditions and it does not interfere with displaying of the regular images. | 12-05-2013 |
20130300727 | MULTIPLE VOLTAGE LEVEL DRIVING FOR ELECTROPHORETIC DISPLAYS - This application is directed to driving methods for electrophoretic displays. The driving methods comprise applying different voltages selected from multiple voltage levels, to pixel electrodes and optionally also to the common electrodes. In one embodiment, the different voltages are selected from a group consisting of | 11-14-2013 |
20130250400 | ELECTROPHORETIC DISPERSION - The present invention is directed to an electrophoretic dispersion, in particular, an electrophoretic dispersion comprising uncharged or lightly charged additive particles for improving bistability of an electrophoretic display. The average diameter of the additive particles is about 1% to about 25% of the average hydrodynamic diameter of the charged pigment particles. | 09-26-2013 |
20130222404 | DISPLAY CONTROLLER SYSTEM - A display controller system with a memory controller and buffers is described. The system enables transferring data from the main memory of the CPU to the image memory without interfering the image updating. As a result, the present invention may allow continuously updating the display image and continuously writing new image data from CPU to the image memory which improves overall system performance. | 08-29-2013 |
20130208343 | MICROCUP DESIGNS FOR ELECTROPHORETIC DISPLAY - The present invention is directed to an electrophoretic display film comprising: a) microcups each having a first shape, and b) remaining microcups which take up at least 10% of the total number of microcups and have shapes different from the first shape. The microcup designs of the present invention not only may reduce the Moiré pattern, but it may also make the defects of the microcup walls much less noticeable, and therefore increase the cutting yield. | 08-15-2013 |
20130176612 | COLOR DISPLAY DEVICES - The present invention is directed to color display devices which are capable of displaying multiple color states. The display device comprises a plurality of display cells, wherein each of said display cells is (a) sandwiched between a first layer comprising a common electrode and a second layer comprising a plurality of driving electrodes, wherein at least one of the driving electrodes is a designated electrode, (b) filled with an electrophoretic fluid comprising at least two types of pigment particles dispersed in a solvent or solvent mixture, and (c) capable of displaying at least four color states. The display device may also comprise hiding layers or a brightness enhancement structure on the viewing side. | 07-11-2013 |
20130175480 | ELECTROPHORETIC DISPLAY FLUID - The invention is directed to an electrophoretic fluid which can improve display performance such as switching speed, vertical bistability and the ghosting effect, and also reduce display defects. The electrophoretic fluid comprises charged pigment particles dispersed in a mixture of isoparaffins. | 07-11-2013 |
20130063497 | Driving System For Electrophoretic Displays - This application is directed to a driving system for an electrophoretic display. The driving system can reduce the memory space required for driving an electrophoretic display. | 03-14-2013 |
20120274671 | DRIVING BISTABLE DISPLAYS - The disclosure relates to waveforms, circuits and methods for driving bistable displays. | 11-01-2012 |
20080269485 | FLUORINATED DYES AND THEIR USE IN ELECTROPHORETIC DISPLAY DEVICES - This invention relates to process for preparing fluorinated dyes selected from the group consisting of compounds of the general formulae (I) and (III) and mixtures thereof by reacting the corresponding compounds which do not have R | 10-30-2008 |