43results about How to "Suppress color" patented technology

An overdrive controller for driving a liquid crystal display includes a change rate Rst calculating section for comprehending a transition state from a present brightness to a targeted brightness for each of R, G and B sub-pixels, a select section for selecting the sub-pixel with the slowest transition and the other sub-pixels from the comprehended transition states, and an overdrive voltage calculating section for calculating a voltage to accelerate a transition of brightness for the sub-pixel with the slowest transition. The overdrive controller further includes, an effective brightness Yst′ calculating section and Yst′ overdrive voltage calculating section for calculating a voltage to accelerate or to decelerate a transition of brightness for the other sub-pixels in order to coordination with each other, wherein the voltage is switched by a switch 23 to be supplied.

A liquid crystal display assembly includes a liquid crystal display, and a surface light source device that illuminates the liquid crystal display from a back surface. The surface light source device includes a housing including a bottom plate, a light source that is arranged on the bottom plate and illuminates the liquid crystal display, and a plurality of radiator fins arranged at a spacing from each other. Each of the radiator fins includes a first fin portion formed by bending a part of the bottom plate in a direction away from the liquid crystal display, the first fin portion extending substantially perpendicularly to the bottom plate, and a second fin portion formed by bending a part of the first fin portion in a direction away from the liquid crystal display, the second fin portion extending substantially parallel to the bottom plate.

In order to control light emission of light emitting diodes, current dividing circuits are used to supply currents of a substantially fixed level to all lines. Light emitting diodes are arranged in groups of a predetermined number of LEDs in series, and sets of the light emitting diodes connected to the first line and sets of the light emitting diodes connected to the second line are laid out on the same straight line so as to form a single row. Substrates with these formed thereon are arranged adjacent to each other in the direction of the rows, so that sets of the light emitting diodes connected to the first line and sets of the light emitting diodes connected to the second line are arranged alternately. With this configuration, it is possible to provide a backlight device with a plurality of LED arrays arranged thereon, which can uniformly illuminate the entire screen with light from the LED arrays.

A light source apparatus includes: a plurality of light sources provided, respectively, in a plurality of first divided regions; a first suppressing member that suppresses, for each of the plurality of first divided regions, spreading of light emitted from a light source provided in the first divided region; a conversion member that converts the color of the light emitted from the light sources and emits light of the converted color; and a diffusing member that is provided on a side closer to the emission surface than the conversion member so as to diffuse the light emitted from the conversion member, wherein the diffusing member is apart from the conversion member by a predetermined distance.

A liquid crystal display of the invention comprises an in-plane switching liquid crystal panel containing a liquid crystal layer whose alignment orientation changes according to an electric field in parallel with a surface of a substrate; a first polarizing plate and a second polarizing plate disposed sandwiching the liquid crystal panel therebetween; a first optical film inserted between the first polarizing plate and the liquid crystal panel; and a second optical film inserted between the second polarizing plate and the liquid crystal panel, wherein the first optical film includes: a retardation film A 1 having a relation of nz>nx>=ny; and a retardation film B having an in-plane retardation (Re) in the range of from 200 to 300 nm, a relation of nx>nz>ny and satisfying Nz coefficient in the range of 0.3<Nz<0.7, in which three-dimensional refractive indices are controlled; the second optical film includes a retardation film A 2 having a relation of nz>nx>=ny; and the slow axis of the retardation film B is in parallel with or perpendicular to the absorption axes of the first and second polarizing plates. The liquid crystal display has a high contrast ratio over a wide range.

A characteristic value-calculating unit, calculating a characteristic value based on an input image signal, a conversion characteristic-calculating unit, determining a conversion characteristic from the characteristic value, and a signal-converting unit, converting the input image signals in accordance with the determined conversion characteristic, are provided. The conversion characteristic has a low level region segment, which is close to the origin, a high level region segment, which is close to a full scale point, and a middle level region segment, which is positioned between the low level region and high level region, and the slope in the middle level region is set so as to be larger than both of the slopes of the low level region and the high level region.

A liquid crystal display device includes: an acquisition unit that acquires viewing direction information indicating a direction in which a user views a displayed image; a compensation unit that adaptively compensates a chromaticity point in a video signal using the viewing direction information acquired by the acquisition unit together with color shift amount information that uses a color difference to associate the viewing direction with a color shift amount of display light; and a liquid crystal display unit that performs video display based on the video signal compensated by the compensation unit.

A liquid crystal display assembly includes a liquid crystal display, and a surface light source device that illuminates the liquid crystal display from a back surface. The surface light source device includes a housing including a bottom plate, a light source that is arranged on the bottom plate and illuminates the liquid crystal display, and a plurality of radiator fins arranged at a spacing from each other. Each of the radiator fins includes a first fin portion formed by bending a part of the bottom plate in a direction away from the liquid crystal display, the first fin portion extending substantially perpendicularly to the bottom plate, and a second fin portion formed by bending a part of the first fin portion in a direction away from the liquid crystal display, the second fin portion extending substantially parallel to the bottom plate.

A liquid crystal display apparatus includes a liquid crystal panel including a pair of polarizers, and a back light provided at a back side of said liquid crystal panel. The liquid crystal panel is an active matrix type liquid crystal panel enabling display and has a characteristic of spectral transmittance required to satisfy the following equation, x>y, when a drive voltage is applied thereto so as to vary from a dark state to a light state, in which “x” is a value of the transmittance in the liquid crystal panel at a wavelength which corresponds to one of 490 nm and 500 nm, and “y” is a value of the transmittance in the liquid crystal panel at a wavelength which corresponds to 545 nm.

An apparatus includes control logic and a scan driving unit. The control logic is configured to control driving of a display panel having an array of pixels divided into groups of pixels. Each group of pixies includes rows of pixels. The control logic is configured to control sequentially applying of multiple backlights having different colors to the array of pixels in multiple time periods. The scan driving unit is operatively coupled to the control logic and is configured to, in each time period, scan the rows of pixels of each group of pixels according to a row scanning sequence. For each group of pixels, in a first time period, the scan driving unit sequentially scans the rows of pixels according to a first row scanning sequence; in a second time period, the scan driving unit sequentially scans the rows of pixels according to a second row scanning sequence.

An optical system is disclosed, including: an optical deflecting array including a plurality of optical deflecting devices arranged in a two-dimensional array, each of optical deflecting devices displacing a member having an optical reflection area and deflecting light, so that an incoming light flux entering the optical reflection area is deflected to a reflection direction being changed, a light source illuminating the optical deflecting array, and a projection lens projecting reflected light from the optical deflecting array based on color information. Each of the optical deflecting devices deflects light to two-axis directions, incoming light fluxes having different colors enter each of the optical deflecting devices from two directions respectively corresponding to two deflection axes, and are reflected by each of the optical deflecting devices based on the color information; and each of reflected light fluxes is led to the projection lens for a respective arbitrary time.

An ink discharge apparatus is provided, including a discharge head which has a nozzle surface formed with a first nozzle for discharging an ink of a first color and a second nozzle for discharging an ink of a second color darker than the first color; a cap; a sucking mechanism which performs suction for a space in the cap; a moving mechanism which positions the cap at a capping position and at a retracted position; and a purge control mechanism which controls the moving mechanism so that the cap is separated from the nozzle surface while allowing a second distance between the cap and an area near the second nozzle to be smaller than a first distance between the cap and an area near the first nozzle after completion of a purge operation.

A polarizer used for an image display such as a liquid crystal display, a plasma display, and an electroluminescence display, and the polarizer suppresses coloring of transmitted light. The polarizer includes a polymer film having a difference of 10% or less between the maximum and the minimum of a first transmittance in a wavelength ranging from 400 nm to 700 nm.

The present invention is to provide a luminescent composition, a light source device, and a display device each having a phosphor for which both avoidance of the shift of the luminescence wavelength band toward the shorter wavelength side and suppression of color unevenness are achieved. A configuration is provided in which a luminescent composition having a phosphor with the same crystal structure as that of CaAlSiN3 contains carbon at a ratio of at least 0.05 weight % or higher.

An object of the present invention is to provide a liquid crystal panel and a liquid crystal display apparatus which can contribute to the reduction in thickness, realize a high contrast while enhancing viewing angle characteristics, suppress a color shift, and satisfactorily prevent the light leakage in a black display. A liquid crystal panel of the present invention includes a liquid crystal cell having a liquid crystal layer containing liquid crystal molecules that are vertically aligned in an absence of a voltage; a first optical compensation layer having a relationship of Nz=1 to 2.5 and a relationship of Re1(380)<Re1(550)<Re1(780); a second optical compensation layer having a relationship of nx=ny>nz and a relationship of Re2(380)>Re2(550)>Re2(780); a first polarizer; a third optical compensation layer having a relationship of Nz=1 to 2.5 and a relationship of Re3(380)<Re3(550)<Re3(780); a fourth optical compensation layer having a relationship of nx=ny>nz and a relationship of Re4(380)>Re4(550)>Re4(780); and a second polarizer wherein: the first optical compensation layer, the second optical compensation layer, and the first polarizer are placed on one side of the liquid crystal cell; the third optical compensation layer, the fourth optical compensation layer, and the second polarizer are placed on the other side of the liquid crystal cell; and the first optical compensation layer and the second optical compensation layer, and the third optical compensation layer and the fourth optical compensation layer are placed in a symmetric positional relationship with respect to the liquid crystal cell.

It is to make the sizes of “blur” in a moving image uniform in a liquid crystal display unit of a hold-type display device by suppressing deformations and discolorations of the moving image caused due to ununiformity in the response speed of the liquid crystal panel. The display device includes a frame memory and a correction frame signal generating device as correction frame signal generating devices which compare pixel gradation levels defined by one frame and a frame one before among the image signals inputted from the outside, and generate an image signal of a correction frame for reducing a delay in the response time of the pixel. At the same time, the liquid crystal display device displays the correction frame on the liquid crystal panel between that one frame and the frame one before.

Included are a display panel including first to third pixel regions and a driver circuit; a backlight portion divided into a first light source region where light is emitted in response to input of a video signal to the first pixel region, a second light source region where light is emitted in response to input of a video signal to the second pixel region, and a third light source region where light is emitted in response to input of a video signal to the third pixel region; a video signal selection circuit used to supply the video signals from plural memory circuits to the driver circuit; a control circuit that supplies a control signal for controlling the driver circuit; a sequence determination circuit that supplies a backlight control signal and a selection signal; and a random number generation circuit used for selection from colors in the sequence determination circuit.

An optical film is provided and contains at least one of a polycarbonate copolymer and a blend containing the polycarbonate copolymer. The polycarbonate copolymer contains specific repeating units. The optical film satisfies the following formulae (1) to (4). 0.1<Re(450) / Re(50)<0.95  (1) 1.03<Re(650) / Re(550)<1.93  (2) 0.4<(Re(450) / Rth(450)) / (Re(550) / Rth(550))<0.95  (3) 1.05<(Re(650) / Rth(650)) / (Re(550) / Rth(550))<1.90  (4)

A glass composition for lamps includes the following by weight percent: SiO2: 60-75 wt %; CeO2+Ce2O3: 0.01-5.2 wt %; SnO+SnO2: 0.01-5.2 wt %; Al2O3: 0.5-6 wt %; B2O3: 0-5 wt %; Li2O+Na2O+K2O: 13-20 wt %; MgO: 0.5-5 wt %; CaO: 1-10 wt %; SrO: 0-10 wt %; BaO: 0-10 wt %; ZnO: 0-10 wt %; Fe2O3+FeO: 0-0.2 wt %; and TiO2: 0-1 wt %. The glass composition for lamps that contains no lead or antimony achieves high ultraviolet screening capacity, ensuring fewer occurrences of initial coloring and ultraviolet ray caused coloring of glass.

A hair dye containing a compound represented by the following general formula (I):wherein R1 and R2 each independently represent a hydrogen atom or a straight chain or branched alkyl group having 1 to 5 carbon atoms, and An− represents an inorganic anion, an organic anion, or a complex salt anion, respectively.

The present application provides an oil-in-water type emulsified cosmetic which has the effect of beautifying the appearance of skin and also excels in emulsion stability. The oil-in-water type emulsified cosmetic according to the present invention is characterized by comprising (A) 1 to 20 mass % of a hydrophobized titanium oxide having an average particle size of at least 0.1 μm; (B) a sugar ester having a carboxyl group within the structure; (C) a liquid higher fatty acid; (D) a higher alcohol; (E) a non-ionic surfactant; (F) water; and (G) an oil component.

There is provided an ink discharge apparatus including a discharge head provided with a nozzle surface having a first nozzle which is formed in the nozzle surface and via which a liquid droplet of a first ink is discharged and a second nozzle which is formed in the nozzle surface and via which a liquid droplet of a second ink, having a color deeper than a color of the first ink, is discharged; a maintenance device which performs maintenance of the discharge head; and an apparatus body in which the maintenance device is arranged. The maintenance device includes a suction cap which is arranged with respect to the apparatus body, with a predetermined clearance, so the suction cap is rockable three-dimensionally; and an urging mechanism which urges a corner portion of the suction cap in a direction orthogonal to the nozzle surface.

A light emitting device includes: a substrate; a first light emitting element and a second light emitting element that are mounted above the substrate; and a heat transfer pattern that is formed on the substrate. A rate of decrease in light output with respect to a temperature increase is greater for the second light emitting element than for the first light emitting element. The second light emitting element is mounted above the substrate via the heat transfer pattern, and the first light emitting element is mounted above the substrate without the heat transfer pattern

Provided is an image signal processing apparatus including multiple color support distortion correcting units receiving a color signal of a correction target image, performing image distortion correction of a color based on a lens distortion characteristic and generating a correction image supporting the color. Each of the multiple color support distortion correcting units performs processing of receiving a reference signal indicating a pixel position in an input image applied to calculate a pixel value of an output correction image, and setting a pixel value of the pixel position indicated by the reference signal in the input image as an output pixel value.