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Class 430/34 - Pretreatment process to change the physical properties of electrophoretic suspension or specified imaging feature exposure


Subclass of Class 430 - Radiation imagery chemistry: process, composition, or product thereof
Definition: Processes including a step which changes the physical properties
No. of patents: 30
Last issue date: 08/19/2008


NumberTitleIssue Date
7414775Contrast enhancement in multichromal display by incorporating a highly absorptive layer
A display member having improved optical contrast and brightness. The display member includes bichromal capsules, an absorptive layer, an adhesive layer, a substrate and a top layer. The bichromal capsules form a close-packed monolayer configuration positioned on th...
08/19/2008
7385751Process for imagewise opening and filling color display components and color displays manufactured thereof
This invention relates to the field of electrophoretic displays. In particular, it relates to imagewise opening, filling and sealing multicolor display components and the manufacture of multicolor displays. ...
06/10/2008
7327511Light modulators
Various improvements in electrophoretic media and displays intended for use in light modulators are described. These improvements include index matching of the suspending fluid to a continuous phase surrounding the fluid, index matching of a capsule wall to a binder...
02/05/2008
7304634Rear electrode structures for electrophoretic displays
Novel addressing schemes for controlling electronically addressable displays include a scheme for rear-addressing displays, which allows for in-plane switching of the display material. Other schemes include a rear-addressing scheme which uses a retroreflecting surfa...
12/04/2007
7267913Recording material and image forming method
An image forming method is disclosed, comprising (a) imagewise exposing a recording material comprising on a support an image forming layer containing colored electrophoretic particles and a photopolymerizable compositon to light to perform photocuring and (b) apply...
09/11/2007
7265895Microcapsule for electrophoretic display device, process for manufacturing the same and use thereof
An object of the present invention is to provide a microcapsule for an electrophoretic display device which can suppress reduction in later contrast even when the electrophoretic display device is allowed to stand under the high temperature and high humidity conditi...
09/04/2007
7236292Components and methods for use in electro-optic displays
A front plane laminate useful in the manufacture of electro-optic displays comprises, in order, a light-transmissive electrically-conductive layer, a layer of an electro-optic medium in electrical contact with the electrically-conductive layer, an adhesive layer and...
06/26/2007
7170670Electrophoretic medium and display with improved image stability
An electrophoretic medium comprises a plurality of particles suspended in a suspending fluid, the particles being capable of moving through the fluid upon application of an electric field to the medium, the fluid having dissolved or dispersed therein a polymer havin...
01/30/2007
7148128Electronically addressable microencapsulated ink and display thereof
We describe a system of electronically active inks which may include electronically addressable contrast media, conductors, insulators, resistors, semiconductive materials, magnetic materials, spin materials, piezoelectric materials, optoelectronic, thermoelectric o...
12/12/2006
7130106Sol-gel nanocoated particles for magnetic displays
Magnetic display devices include low-density silica coated magnetic and nonmagnetic particles. In a one-particle system, low-density silica coated magnetic particles coated by a sol-gel process are used in combination with non-magnetic particles. In a two-particle s...
10/31/2006
7119937Durable electrooptic devices comprising ionic liquids
Electrolyte solutions for electrochromic devices such as rear view mirrors and displays with low leakage currents are prepared using inexpensive, low conductivity conductors. Preferred electrolytes include bifunctional redox dyes and molten salt solvents with enhanc...
10/10/2006
7118838Method, apparatus and media for displaying information
An apparatus for forming an image using an electrophoretic particle suspension containing media including: a transitioner for sufficiently lowering a viscosity of the suspension to facilitate mobility of at least some of the electrophoretic particles; and, imaging e...
10/10/2006
7109968Non-spherical cavity electrophoretic displays and methods and materials for making the same
Disclosed herein are novel electrophoretic displays and materials useful in fabricating such displays. In particular, novel encapsulated displays are disclosed. Particles encapsulated therein are dispersed within a suspending, or electrophoretic, fluid. This fluid m...
09/19/2006
7050218Electrophoretic dispersion, electrophoretic display device, method of manufacturing electrophoretic display device, and electronic system
To provide an electrophoretic dispersion capable of reducing or preventing the aggregation of electrophoretic particles, an electrophoretic display device using the electrophoretic dispersion, a method of manufacturing the electrophoretic display device, and an elec...
05/23/2006
7002728Electrophoretic particles, and processes for the production thereof
Copper chromite particles can advantageously be used as black particles in electrophoretic media and displays. Preferably, the copper chromite particles are coated with a silica coating and a polymer coating. ...
02/21/2006
6967759Pulse width modulation sequence generation
A system and method for addressing and synchronizing a spatial light modulator (SLM) device and a scrolling color recovery (SCR) illumination system. This method applies all the colors to a single SLM simultaneously and recaptures light rejected by the color filters...
11/22/2005
6947203Electrophoretic dispersion, electrophoretic display device, method of manufacturing electrophoretic display device, and electronic system
To provide an electrophoretic dispersion capable of reducing or preventing the aggregation of electrophoretic particles, an electrophoretic display device using the electrophoretic dispersion, a method of manufacturing the electrophoretic display device, and an elec...
09/20/2005
6930668Color-enabled electrophoretic display and medium
A display medium including a plurality of electrically photosensitive particles positioned within at least one ambipolar shell to form at least one first composite particle, and a plurality of white particles encapsulated in a plurality of insulating shells to form ...
08/16/2005
6365307Apparatus and method for assessing a photoreceptor
An ionic medium, e.g., an ionic liquid, gel-like solid, etc., contacts a photoreceptor, e.g., as used in xerography etc., in order to charge and/or discharge the photoreceptor. A measuring device, e.g., an electrometer or current meter, measures at least ...
04/02/2002
6236493Optical components with a graded-index structure, and method of manufacturing such components
Optical components have a material-distribution gradient due to nanometer-size particles embedded in a solid matrix. The components are manufactured by forming a dispersion of nanometer-size particles in a liquid, curable matrix material, causing the part...
05/22/2001
6194488Method for making polymer-coated pigment particles using initiator-treated pigments
A method of making polymer-coated pigment particles, involving the steps of providing a plurality of pigment particles, each of which has an outer surface coated with a layer of material that operates as a nucleus for initiating polymerization on the oute...
02/27/2001
6067185Process for creating an encapsulated electrophoretic display
Disclosed herein are novel electrophoretic displays and materials useful in fabricating such displays. In particular, novel encapsulated displays are disclosed. Particles encapsulated therein are dispersed within a suspending, or electrophoretic, fluid. T...
05/23/2000
5963456Method and apparatus for displaying capillary electrophoresis data
A method and apparatus for displaying capillary electrophoresis data wherein absorbance with respect to time is related to graphic values within a graphic range or scale of values and selected graphic values are displayed with respect to time. The selecte...
10/05/1999
5932633Method for making polymers-coated pigment particles using initiator-treated pigments
A method of making polymer-coated pigment particles, involving the steps of providing a plurality of pigment particles, each of which has an outer surface coated with a layer of material that operates as a nucleus for initiating polymerization on the oute...
08/03/1999
5811156Method of making a color filter array by colorant transfer and etch
A method of making a color filter array on a first substrate having an array of pixels, comprising the steps of: providing a transferable colorant on a second substrate and positioning such transferable layer in transferable relationship with the first su...
09/22/1998
5360689Colored polymeric dielectric particles and method of manufacture
A process for forming dielectric particles includes admixing a vinyl halide monomer and a crosslinker in a liquid dispersion medium to form a first mixture. A second mixture of an initiator and a stabilizer is prepared and added to the first mixture to fo...
11/01/1994
4889603Method of eliminating gas bubbles in an electrophoretic display
There is disclosed a method which minimizes bubble growth during electrophoretic cell operation. The method involves exposing the electrophoretic suspension to an ultrasonic probe at a given frequency and amplitude and for a suitable time period just prio...
12/26/1989
4761357Electrophoretic development of electrostatic charge images
Electrophoretic process and apparatus for developing an electrostatic charge pattern carried by a dielectric surface by progressively moving that surface through a development station and simultaneously progressively advancing a layer of liquid toner (11)...
08/02/1988
4258112Sensitizer for electrophoretic migration imaging dispersions
Compounds selected from the group consisting of (a) aromatic amines having a p-alkyl, p-alkoxy or p-alkoxycarbonyl substituent on the aromatic group, (b) aromatic alkanes, isoalkanes and cycloalkanes, having at least two aromatic groups with at least one ...
03/24/1981
4179290Photoelectrophoretic photography process involving dual corona treatments of opposite polarity
A photoelectrophoretic image-forming process utilizing a pair of electrodes with at least one of the electrodes being transparent and at least one of the electrodes having an electrically insulating surface, which comprises the following steps of: (1) for...
12/18/1979
 
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