| Patent application number | Description | Published |
| 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 |
| 20100271569 | Liquid crystal display device and color filter for liquid crystal display device - A liquid crystal display device which includes a backlight device provided with an LED, and a color filter having colored layers of plural colors including a green layer, wherein the green layer of the color filter contains brominated zinc phthalocyanine green pigment and a dielectric loss tangent of the green layer at a driving frequency of a liquid crystal display device is confined to not more than 0.02. | 10-28-2010 |
| 20100296024 | Liquid crystal display device and color filter for liquid crystal display device - Disclosed a liquid crystal display device including a backlight device including a white-emitting LED device which emits a white light arising from a color mixture created through a combination of a blue-emitting LED, a red-emitting phosphor and a green-emitting phosphor, and a color filter equipping color pixels exhibiting plural colors including a red pixel and formed on a transparent substrate, wherein the white-emitting LED device is enabled to exhibit an emission spectrum having a first peak wavelength falling within a range of 440-470 nm, a second peak wavelength falling within a range of 510-550 nm and a third peak wavelength falling within a range of 630-670 nm, and a red display chromaticity of the liquid crystal display device is confined within a region bounded by lines connecting four points (0.620, 0.280), (0.620, 0.300), (0.680, 0.315) and (0.680, 0.280) based on an xy chromaticity coordinate system. | 11-25-2010 |
| 20110043486 | Liquid crystal display device, black matrix substrate and color filter substrate - A liquid crystal display device includes a first substrate, a second substrate located opposite the first substrate via a liquid crystal, a blue display element, a green display element, a red display element, a short-wavelength optical sensor, a red optical sensor, and an infrared optical sensor formed on a liquid crystal side surface of the first substrate, and a color filter formed between the first substrate and the second substrate and includes a blue filter, a green filter, a first red filter, a short-wavelength transmission filter, a second red filter, and an infrared transmission filter corresponding to the blue display element, the green display element, the red display element, the short-wavelength optical sensor, the red optical sensor, and the infrared optical sensor, respectively. | 02-24-2011 |
| 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 |
| 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 |