| Patent application number | Description | Published |
|---|
| 20090002858 | COLOR FILTER AND LIQUID CRYSTAL DISPLAY DEVICE - A color filter includes red, green and blue filter segments and is adapted to be used in a liquid crystal display device using, as a light source, a white LED having specified spectral properties. The red filter segment has a 50% transmittance wavelength within a range of 595 to 610 nm and a transmittance of 85% or more at a wavelength of 630 nm. The blue filter segment has a maximum transmittance wavelength of 455 nm or less and a transmittance of 55% or more at a wavelength of 450 nm. A thickness of each of the red, green and blue filter segments is 3.0 μm or less. A liquid crystal display device including this color filter and the white LED is also disclosed. | 01-01-2009 |
| 20090257007 | Method for evaluating color filter, color filter and liquid crystal display device - A method of evaluating a color filter including a substrate, and at least three color pixels disposed thereon, the method includes determining an oblique visibility of a liquid crystal display device equipped with the color filter on the basis of value ξ | 10-15-2009 |
| 20090284697 | Color filter and liquid crystal display device - A color filter including a transparent substrate, and colored layer having at least a red pixel, green pixel, and blue pixel, and formed on the transparent substrate, wherein the green pixel contains a zinc phthalocyanine halide-based pigment, and has a perpendicular optical retardation Rth(G) satisfying formula Rth(G)>0, Rth(G) representing a product of a thickness of the green pixel and a value obtained by subtracting a refractive index in the thickness wise-direction of the green pixel from an average refractive index in the plane of the green pixel. | 11-19-2009 |
| 20090321693 | Red colored composition and color filter using the same - A red colored composition including a pigment, binder resin, monomer, photopolymerization initiator, and organic solvent, wherein the pigment contains a diketopyrrolopyrrol-based red pigment and has an average primary particle diameter of at most 40 nm, and the binder resin contains at least one thermosetting resin of 5 to 12% by weight based on solid content of the composition, the thermosetting resin having a weight-average molecular weight of 25,00 to 20,000. | 12-31-2009 |
| 20100295002 | Color composition for color filter, color filter using the composition and liquid crystal display device - Disclosed is a color composition for a color filter, which includes at least acrylic resin and a coloring agent. The acrylic resin contains a copolymer formed of a first vinyl monomer having a benzyl group and a second vinyl monomer having a carboxyl group, the copolymer having a weight average molecular weight of 3,000 to 11,000, and an acid value of solid matter of the copolymer being confined to 30 to 85. | 11-25-2010 |
| 20110096273 | Color filter substrate for liquid crystal display devices and liquid crystal display devices - Disclosed is a color filter substrate which exhibits color filter contrast of not less than 9000 and includes a transparent substrate, and a plurality of color pixels differing in color and formed on the transparent substrate, wherein each of the plurality of color pixels is formed of a photosensitive color composition containing two or more kinds of pigments, a birefringence Δn of a pigment dispersion represented by following equation (1) and a content of pigments contained in the photosensitive composition satisfies prescribed conditions, and, an absolute value of retardation in thickness direction (Rth) of the color pixels which is represented by following equation (2) is confined to a range of 0-3 nm. | 04-28-2011 |
| 20110096274 | Color filter and liquid crystal display device - Disclosed is a liquid crystal display device including a liquid crystal cell provided with a color filter, a pair of polarizing plates arranged on both outside surfaces of the liquid crystal cell, and an optical compensation layer disposed inside of each polarizing plate, wherein, when a chromaticity (u, v) represented in CIE1960 color system is measured in a black state of the liquid crystal display device, a color difference Δuv given by equation (1) described below is 0.02 or less in an range of 0<θ≦60: | 04-28-2011 |
| 20110149215 | Color filter substrate and liquid crystal display device - Disclosed is a color filter substrate provided with a transparent substrate, and a plurality of color pixels including a green pixel and formed on the transparent substrate. The green pixel contains halogenated zinc phthalocyanine-based green pigment and at least one kind of yellow pigment and satisfies prescribed three conditions, and absolute value of retardation in thickness direction (Rth) of the green pixel is confined to no more than 2 nm. | 06-23-2011 |
| 20110149216 | Color filter, coloring composition for color filter and liquid crystal display device - A coloring composition for a color filter, which includes a transparent resin, an organic pigment dispersed in the transparent resin, and a retardation-regulating agent containing a compound which is capable of increasing a retardation. A color filter which is provided with colored pixels formed on a transparent substrate by using this coloring composition. A liquid crystal display device which is provided with this color filter. | 06-23-2011 |
