Patent application number | Description | Published |
20080287689 | Heat-stable diketopyrrolopyrrole pigment mixtures - The present invention relates to a process for the preparation of a mixture comprising at least two structurally different diketopyrrolopyrrole pigments of formula | 11-20-2008 |
20100164911 | PHOTOSENSITIVE RESIST COMPOSITION FOR COLOR FILTERS FOR USE IN ELECTRONIC PAPER DISPLAY DEVICES - The present invention relates to a photosensitive resist composition comprising a colorant. More specifically, it relates to a photosensitive resist composition which is advantageously used for the production of a color filter for use in electronic paper displays devices, color image pick-up elements and the like. | 07-01-2010 |
20100265564 | Encapsulated dispersions comprising electrophoretically mobile organic colorants - The invention relates to an electrophoretic display, comprising electrodes and cells containing at least one kind of ionic, monochrome particles, a non-polar liquid and a dispersant, wherein the ionic, monochrome particles of at least one kind are essentially aggregates consisting of a carbon containing pigment and an anionic pigment or anionic pigment derivative, and the dispersant is selected from the group consisting of polyacrylates, polyesters, polyurethanes and copolymers. In general, the whole quantity of the pigment and the main part, preferably at least 80%, most preferred from 95% to 100%, of the whole anionic pigment or anionic pigment derivative present within the cells is comprised in the aggregates, with essentially no pigment and only a minor part of the anionic pigment or anionic pigment derivative physically distinct from the aggregates. | 10-21-2010 |
20100290103 | ENCAPSULATED DISPERSIONS COMPRISING ELECTROPHORETICALLY MOBILE ORGANIC COLORANTS - The invention relates to an electrophoretic display, comprising electrodes and cells containing at least one kind of ionic, monochrome particles, a non-polar liquid and a dispersant, wherein the ionic, monochrome particles of at least one kind are essentially aggregates consisting of a carbon containing pigment and a cationic pigment orcationic pigment derivative, and the dispersantis selected from the group consisting of polyacrylates, polyesters, polyurethanes and copolymers, with the proviso that the cationic pigment or cationic pigment derivative is not a reaction product of carbonblack with diazotated procaine hydrochloride. In general, the whole quantity of the pigment and the main part, preferably at least 80%, most preferred from 95% to 100%, of the whole cationic pigment or cationic pigment derivative present within the cells is comprised in the aggregates, with essentially no pigment and only a minor part of the cationic pigment or cationic pigment derivative physically distinct from the aggregates. | 11-18-2010 |
20100317819 | SURFACE-MODIFIED NANOPARTICLES COMPRISING A CATIONIC COLORANT FOR USE IN COLOR FILTERS - Color filter comprising a surface-modified nanoparticle wherein a cationic colorant is covalently attached to the surface of said nanoparticle, a polymerizable mixture for making color filters, a surface-modified nanoparticle and its use. | 12-16-2010 |
20110216392 | Coloured organic electrophoretic particles - The present invention relates to the preparation and use of (colored) organic particles carrying electric charge as electrophoretic (image) displaying particles, to electrophoretic dispersions comprising the organic particles carrying electric charge, electrophoretic (image) devices (especially displays) comprising the colored organic particles carrying electric charge, to the novel functionalized particles, and to their use. The particles are obtainable according to a method represented by the reaction scheme as given in FIG. | 09-08-2011 |
20110294051 | BLACK MATRIX FOR COLOUR FILTERS - Actinically modifiable composition comprising, all based on the entire composition, 10-70% by weight of a colorant or a mixture of colorants; 90-30% by weight of actinically reactive binder material consisting of components selected from the group consisting of binders, binder precursors, dispersants, photoinitiators and stabilizers, although optionally from 0% 30% by weight of the actinically reactive binder material can be non-reactive components; and 0-10% by weight of further, non-reactive constituents; characterized in that the composition has an optical density ≧1.0, preferably ≧1.2 and more preferably ≧1.4 in the entire wavelength range 430-650 nm per 1 μm layer thickness; and the colorant or 50-100% by weight, preferably 60-100% by weight and more preferably 70-100% by weight of the colorant mixture comprises a colorant obtainable by reaction of a compound of the formula (I) with a compound of the formula (II) in a molar ratio of 1:2, in the presence of a catalyst having a pK value ≦4.5 in water at 25° C., or a mixture of such colorants, wherein the black colorant is likely a product of the formula (iii) or a tautomer or isomer thereof. Likewise claimed are the use of this composition for producing colour filters, colour filters themselves and also a process for producing colour filters. | 12-01-2011 |
20130065168 | COLOR FILTER FOR LOW TEMPERATURE APPLICATIONS - A color filter comprising a cured layer of a photosensitive resist composition comprising a highly reactive polyacrylate monomer and an alkali soluble binder having a side chain containing an ethylenically unsaturated bond in the side chain and a process for the preparation thereof are provided. The color filter is especially useful for low temperature applications such as electrophoretic displays, polymer dispersed liquid crystal displays, OLED devices and the like. | 03-14-2013 |
20130078393 | COLOR FILTER FOR LOW TEMPERATURE APPLICATIONS - A color filter comprising a cured layer of a photosensitive resist composition comprising a highly reactive polyacrylate monomer and a process for the preparation thereof are provided. The color filter is especially useful for low temperature applications such as electrophoretic displays, polymer dispersed liquid crystal displays, OLED devices and the like. | 03-28-2013 |
20130092874 | BLACK DICHROIC DYE - Described is a black dichroic dye composition comprising 2 or more dyes, wherein at least one dye, generally a red dye and optionally a yellow dye, conforms to the formula A and at least one dye, usually a blue dye, conforms to the formula B Ar | 04-18-2013 |
20130334546 | NOVEL ILLUMINATION DEVICES - Illumination device comprising at least one LED and at least one colour converter comprising at least one organic fluorescent colorant in a matrix consisting essentially of polystyrene or polycarbonate, wherein LED and colour converter are present in a remote phosphor arrangement. | 12-19-2013 |
20140076397 | NOVEL COLOR CONVERTERS - A color converter comprising at least one layer comprising at least one organic fluorescent colorant and at least one barrier layer having a low permeability to oxygen. | 03-20-2014 |
20140103374 | NOVEL COLOR CONVERTER - Color converter comprising at least one polymer and at least one organic fluorescent dye comprising at least one structural unit of the formula (I) where the structural unit may be mono- or polysubstituted by identical or different substituents and where one or more CH groups of the six-membered ring of the benzimidazole structure shown may be replaced by nitrogen. | 04-17-2014 |
Patent application number | Description | Published |
20090012246 | Polymerization Catalyst Comprising Amidine Ligand - The invention relates to a process for the preparation of a polymer comprising at least one aliphatic or aromatic hydrocarbyl C | 01-08-2009 |
20090018293 | Process for the preparation of a metaloorganic compound comprising at least one imine ligand - The invention relates to a process for the preparation of a metalorganic compound, comprising at least one imine ligand, characterized in that an imine ligand according to formula 1, or the HA adduct thereof, wherein HA represents an acid, of which H represents its proton and A its conjugate base, is contacted with a metal-organic reagent of formula 2 in the presence of at least 1, respectively 2 equivalents of an inorganic or metal-organic base, wherein Y═N—R (formula 1), Y is selected from a substituted carbon, nitrogen or phosphorous atom, R represents a proton, a protic or an aprotic substituent, and the metal organic compound is: M | 01-15-2009 |
20130066028 | BORANE ACTIVATED TI CATALYST SYSTEM COMPRISING AMIDINE AND DIENE LIGAND - The invention relates to a catalyst system for the polymerization of olefins comprising a metal complex of formula CyLMD and an activating cocatalyst, wherein: —M is titanium; —Cy is a cyclopentadienyl-type ligand; —D is a diene; —L is an amidinate-containing ligand of formula (1), wherein the amidinate-containing ligand is covalently bonded to the titanium via the imine nitrogen atom, Sub, is a substituent, which comprises a group 14 atom through which Sub | 03-14-2013 |