Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

36results about How to "Suppresses color shift" patented technology

Colored composition, cured film, color filter, method for producing color filter, solid-state image sensor, and image display device

Provided are a colored composition which enables the formation of a pattern having excellent heat resistance and excellent solubility in solvents and has inhibited color migration; and a cured film, a color filter, a method for producing a color filter, a solid-state image sensor, and an image display device, each of which uses the colored composition.The colored composition includes a polymer anion having a repeating unit containing a weakly nucleophilic anionic structure, and a dye having a cationic structure, in which the weakly nucleophilic anionic structure represents an anionic structure produced by dissociating an organic acid having a lower pKa value than the pKa value of sulfuric acid.
Owner:FUJIFILM CORP

Imaging device and imaging method

The present invention relates to an imaging device and an imaging method. The object of the present invention is to form, quickly and at low cost, a high-quality image on a medium formed with a curved surface. In order to achieve this object, the imaging device is equipped with: an ink-jet head (2); a pre-curing ultraviolet irradiation device (3); a head unit (4) in which is installed the ink-jet head (2) and the pre-curing ultraviolet irradiation device (3); a medium holding unit (5) that holds a medium (M); a transfer sheet unit holding unit (9) that holds a transfer sheet unit (8), in which a transfer sheet (6) is mounted to a transfer sheet holder (7); an elastic pad unit (10); a final curing ultraviolet irradiation device (11); a cleaning unit (12); and a control unit (13). The ink-jet head (2) applies ink to the transfer sheet (6) and the pad unit (10) pushes the transfer sheet (6) against the medium (M), thus providing a pressure transfer of the ink applied to the transfer sheet (6) to the medium (M).
Owner:MIMAKI ENG

Polarizing plate having optical compensation layer, liquid crystal panel using the polarizing plate having optical compensation layer, liquid crystal display device, and image display device

InactiveCN101288008AAvoid light leakageExcellent field of view characteristicsPolarising elementsNon-linear opticsIn planePhase difference
The present invention provides a thin polarizing plate having an optical compensation layer capable of improving visual angle characteristics, realizing a high contrast, preventing interference irregularities and thermal irregularities, suppressing a color shift, exhibiting a preferable color reproducibility, and effectively preventing light leak in the black display. It is also possible to provide a liquid crystal panel and an image display device using such a polarizing plate having an optical compensation layer. The polarizing plate having the optical compensation layer includes a polarizer, a first optical compensation layer, and a second optical compensation layer in this order. The first optical compensation layer has a refractivity distribution of nx > ny = nz and exhibits wavelength distribution characteristics in which the in-plane phase difference Re1 becomes smaller as the wavelength becomes shorter and the in-plane phase difference Re1 is 90 to 160 nm. The second optical compensation layer is a film layer having a refractivity distribution of nx = ny > nz, an in-plane phase difference Re2 0 to 20 nm, and a phase difference in the thickness direction Rth2 30 to 300 nm.
Owner:NITTO DENKO CORP

Liquid crystal display devices and polarizing plate sets used therein

The present invention provides a IPS mode liquid crystal display device and polarizing plate set used therein, the device can improves the leakage of black brightness when side glancing, and the color migration is little caused by angle of visibility. The liquid crystal unit (30) has two pieces of base plates (31, 32) between liquid crystal layers (33) in parallel with the base plate approximately and sealed with the base plate. A pair of polarizing plates (10, 20) clamping the liquid crystal unit (30) are arranged as absorbing axles (15, 25) orthometric with the both. The base side transparent protection layer of the first polarizing plates (10) is set to be film less than 10nm in plane phase separation R<0> (1), and less than 20nm in thickness direction phase separation R<2> (2). The base side transparent protection layer of the second polarizing plates (20) is set to be film 200-300nm in plane phase separation R<0> (2), and 0.4-066 in Nz coefficient [=(n-n) / (n-n)]. In the second polarizing plates (20), the delay axle (22) of the base side transparent protection layer (20), and the absorbing axle (25) of the polarizer are in parallel or orthogonality.
Owner:SUMITOMO CHEM CO LTD

Organic electroluminescent device, method of manufacturing organic electroluminescent device, and electronic apparatus

The invention provides an organic EL (ElectroLuminescent) device, a method of manufacturing an organic EL device, and an electronic apparatus free from color shift or change of brightness even when an observer sees it from front or at wide angles. Of the organic electroluminescent device 1A equipped with pixels XB, XG, XR each having a light-emitting function layer pinched by a first electrode 23 and a second electrode 50, and a unit pixel group Px consisting of a plurality of pixels XB, XG, XR, selected pixels out of the unit pixel group Px are provided with a dispersion part 21 for dispersing emission light L of the light-emitting function layer 110.
Owner:SEIKO EPSON CORP

Method for producing light-emitting device

To restrain color variation in light emitted from a light-emitting device. A method for producing a light-emitting device includes the steps of: (a) die-bonding a chip onto a substrate so as to prepare a die-bonded substrate; (b) preparing a mold having a cavity; (c) setting the die-bonded substrate such that the chip is placed in the cavity; and (d) injecting sealing resin into the cavity via a runner section. In the method, the runner section is capable of maintaining its temperature at a low temperature lower than a temperature of the mold and the step (d) injecting the sealing resin that is maintained at the low temperature in the runner section, into the cavity via the runner section.
Owner:SHARP KK

Polarizing plate with optical compensation layer, liquid crystal panel using polarizing plate with optical compensation layer, liquid crystal display unit, and image display unit

A polarizing plate with an optical compensation layer capable of contributing to its thinning, realizing high contrast with viewing angle characteristics improved, preventing interference non-uniformity and thermal non-uniformity, being limited in color shift, delivering a good color reproducing feature, and favorably preventing light leakage at black displaying; and a liquid crystal panel, a liquid crystal display unit and an image display unit using such a polarizing plate with an optical compensation layer. The polarizing plate with an optical compensation layer comprises a polarizer, a first optical compensation layer, an adhesive layer, and a second optical compensation layer sequentially in the order mentioned, wherein the first optical compensation layer has a refractive index distribution, nx>ny=nz, with its in-plane phase difference Re1 exhibiting wavelength dispersion characteristics that gradually decrease toward a short-wavelength side and with its in-plane phase difference Re1 being 90-160 nm, and the second optical compensation layer is a coating layer, has a refractive index distribution, nx=ny>nz, with its in-phase difference Re2 being 0-20 nm, its phase difference Rth2 in thickness direction being 30-300 nm and its thickness being 0.5-10 [mu]m.
Owner:NITTO DENKO CORP

Liquid crystal panel and liquid crystal display using the same

A liquid crystal panel that has a high contrast ratio over a wide range and can suppress color shifting effectively is provided. In a liquid crystal panel including between two polarizing plates arranged in a crossed Nicols state a birefringent layer A with nx>ny≧nz, a birefringent layer B with nx≧ny>nz and a VA-mode liquid crystal cell C, it is set that a wavelength dispersion characteristic (α40(A)) of the birefringent layer A, a wavelength dispersion characteristic (α40(B)) of the birefringent layer B and a wavelength dispersion characteristic (α40(C)) of the liquid crystal cell C satisfy conditions α40(B)>α40(C)>α40(A) and 1>α40(A). The wavelength dispersion characteristic α40 represents a ratio of a retardation Re measured with incident light at 430 nm to that measured with incident light at 550 nm, the incident light being inclined by 40° with respect to a normal direction (0°) of a surface of the birefringent layer or a surface of the liquid crystal cell.
Owner:NITTO DENKO CORP

Optical film, optical compensation film, polarization sheet and liquid crystal device using same

Disclosed are the optical film represented by inequalities (1) to (4) and contains a specified kind of polycarbonate copolymer with a specified copolymerization ratio and / or a blend body containing the polycarbonate copolymer, the optical compensating film using the same, wherein (1) 0.1 G02B 1 / 00 G02F 1 / 13363 G02B 5 / 30 9 79 6 2006 / 8 / 17 1916666 2007 / 2 / 21 000000000 Fuji Photo Film Co., Ltd. Japan Nakayama Moto Ohashi Yusuke yu hui 72002 NTD Patent & Trademark Agency Ltd. Units 1805-6, 18th Floor, Greenfield Tower, Concordia Plaza, No.1 Science Museum Road, Tsimshatsui, east, Kowloon, Hong Kong 100045 Japan 2005 / 8 / 17 236856 / 2005
Owner:FUJIFILM CORP

Image forming method and image forming system

An image forming apparatus sets one of a plurality of modes including a monochrome mode of forming a monochrome image, converts a multivalued luminance signal into signal values of color material amounts to be used to form the image and forms the image using color materials based on the signal values. The color materials used in the forming when the monochrome mode is set include an achromatic color material and at least two auxiliary color materials which have hues opposite to each other and a chroma larger than that of the achromatic color material.
Owner:CANON KK

Color image formation apparatus

In an image formation apparatus having a photoconductor unit including a photoconductor and a developing unit for storing toner supplied to the photoconductor, the developing unit is displaceably placed in an apparatus main unit, and then, the photoconductor unit is detachably placed in the apparatus main unit and is positioned at a predetermined position, thereby the displaceable developing unit previously placed is positioned relative to the photoconductor unit.
Owner:PANASONIC CORP

Light emitting device, light source for illumination, and illumination apparatus

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
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD

Back reflector and back projecting picture displaying appts. using same

In the present invention, there is disclosed a reflective mirror whose contrast or resolution performance is equal to that of a surface mirror of a glass mirror for general use and which does not have any problem in reliability of resistance to environment and whose color shift or brightness performance is inhibited from being degraded. For this, in the present invention, a reflective film is formed on a glass substrate by use of silver mirror reaction, and a topcoat is formed of a colorless / transparent resin. At this time, a wavelength of a crest of a ripple indicated by a reflectance characteristic is constituted to substantially agree with that of a green luminescent line. Accordingly, a back projection type video display device which is satisfactory in the contrast or resolution performance can be prepared.
Owner:HITACHI LTD

Liquid crystal display device

The invention provides a liquid crystal display device which can restrain color offset of a normally white displayed vertical oriented liquid crystal display device in observation in a left-and-right direction. The liquid crystal display device is provided with a first substrate, a second substrate, a liquid crystal layer, a first polarizing plate, a second polarizing plate, a first optical board, a second optical board and a third optical board. The absorption axes of the polarizing plates are configured approximately perpendicular with one another. Furthermore each polarizing plate is configured at an angle of approximate 45 DEG relative to the orienting direction of an approximately central part in the layer thickness direction of the liquid crystal layer when an electric field is applied. The first optical board is a 1 / 4 wavelength board, and the in-surface slow axis is configured at an angle of approximate 45 DEG relative to the absorption axis of the first polarizing plate. The second optical board is a 1 / 4 wavelength board, and the in-surface slow axis is configured at an angle of approximate 45 DEG relative to the absorption axis of the second polarizing plate. The third optical board has negative biaxial optical anisotropy, and the in-surface slow axis is configured to be approximately perpendicular with the absorption axis of the first polarizing plate.
Owner:STANLEY ELECTRIC CO LTD

Led Illumination Device And Led Light-emission Module

An illumination device and a light-emission module suppressing a change in color temperature when light emitted from a light-emission unit passes through an optical member. The illumination device (3) has a lighting apparatus that includes: a first light-emission part (12a) emitting light of a daylight color temperature; a second light-emission part (12b) emitting light of an incandescent lamp color temperature; and the optical member (50), which is disposed on an optical path of the light emitted from the light-emission parts (12a, 12b). A correlated color temperature of the light emitted from the second light-emission part (12b) is set to 2238 K. Due to this, in a spectrum of the light emitted from the second light-emission part (12b), a maximum intensity within a wavelength range from 400 nm to 500 nm is no greater than one-tenth of a maximum intensity within a wavelength range from 300 nm to 800 nm.
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD

Phase Difference Film, Polarizing Plate And Liquid Crystal Display Device

The present invention relates to a phase difference film, a polarizing plate and a liquid crystal display device. The phase difference film 13 is the phase difference film of a cellulose ester system of which the delay Ro in an in-plane direction is more than 20 nm, is used as an additive, and contains a first nitrogenous heterocyclic compound having the solubility less than 2% relative to the dichloromethane and a second nitrogenous heterocyclic compound having the solubility more than 15% relative to the dichloromethane.
Owner:KONICA MINOLTA INC

Liquid crystal display device

The invention provides a liquid display device capable of suppressing color offset of a normally-white display vertical orientation liquid display device with a low cost when being viewed from the left and right direction. The liquid display device is provided with a first substrate, a second substrate, a liquid layer, a first polarization plate, a second polarization plate, a first to a third optical boards. The absorption axes of the polarization plates are substantially orthogonal, and are in 45 degrees to the orientation direction of the substantial center of the thickness direction of the liquid layer to which an electric field is applied. The first optical board is provided with negative biax optical aeolotropism and has an in-plane phase difference Re1 from 40 to 70nm. The in-plane slow axis of the first optical board is 45 degrees relative to the absorption axis of the first optical board. The second polarization plate is provided with positive single-axis optical aeolotropism. The in-plane slow axis of the second optical board is 45 degrees relative to the absorption axis of the first optical board. The in-plane phase difference Re2 of the second optical board has a relation that Re2-Re1 is greater than or equal to 200nm but less than or equal to 320nm.
Owner:STANLEY ELECTRIC CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products