106results about How to "High contrast ratio" patented technology

The invention discloses a signal processing apparatus, a signal processing method, a program and a recording medium. The signal processing apparatus includes: an input unit receiving a first image generated by a first camera and higher-resolution second images generated by a plurality of second cameras; a similar portion detecting unit detecting a similar portion between part of a subject included in the first image and a subject included in each of the second images; an image synthesizing unit pasting the second images at positions corresponding to the detected similar portions within the first image to generate a synthesized image; an imaging area detecting unit detecting an area, for which image information is insufficient in the first image and is difficult to complement by the second cameras, as a non-imageable area from the synthesized image; and a camera parameter calculation unit changing a camera parameter for controlling the second camera that captures the second image by which the image information insufficient in the first image is complemented.

The invention provides an environment-friendly anti-corrosion and anti-bacterial interior wall anion coating, which is composed of the following components in parts by weight: 200-250 parts of synthetic resin emulsion, 50-150 parts of anion powder, 15-30 parts of anti-corrosion and anti-bacterial agent, filler 220-280 parts, 3-6 parts of defoamer, 5-9 parts of dispersant, 6-10 parts of film-forming aid, 6-10 parts of thickener, 10-18 parts of leveling agent, 200-250 parts of pigment , 250-300 parts of water. The object of the present invention is to provide an environment-friendly anti-corrosion and anti-bacterial interior with good and long-lasting antibacterial and anti-mildew effects, good performance, non-toxic and harmless to the human body, green environmental protection, good safety, containing negative ions, and capable of inhibiting bacteria and deodorizing. Negative ion paint for walls.

An optical compensation polarizing plate comprising: a first transparent protective film; a polarizer; a second transparent protective film; and an optical compensation layer in this order, wherein at least one of the first and second transparent protective films is a cellulose acylate film having a retardation value in plane Re (nm) and a retardation value in film thickness direction Rth (nm) which fulfill the following formulae (I) and (II), and Nz and Re1 defined by the following formulae (III) and (IV), of the optical compensation layer fulfill the following formulae (V) and (VI): (I) |Re|<=10, (II) |Rth|<=25, (III) NZ=(nx1-nz1) / (nx1-ny1), (IV) Re1=(nx1-ny1) x d1, (V) 0.4<=Nz<=0.6 (VI) 100<=Re1<=350, wherein RE1 is a retardation value in plane (nm) at a wavelength of 590 nm; Nz is an Nz factor at a wavelength of 590 nm; nx1 is a refractive index along a slow axis in a film plane; ny1 is a refractive index along a direction perpendicular to the slow axis in a film plane; nz1 is a refractive index along a thickness direction of the film; and d1 is a thickness of the film (nm).

Disclosed is a liquid crystal display device of which viewing angle characteristics are improved without reducing the transmittance. Specifically disclosed is a liquid crystal display device which comprises a liquid crystal display panel including a liquid crystal layer and a pair of substrates that hold the liquid crystal layer therebetween and a backlight unit disposed at the rear side of the liquid crystal display panel. One of the pair of substrates is provided with a pair of comb-shaped electrodes of which comb teeth alternately engage with each other with a gap interposed therebetween. The liquid crystal layer includes liquid crystal molecules with positive dielectric anisotropy, and the liquid crystal molecules are oriented perpendicular to a surface of the one of the substrates while voltage is not applied. A difference between the proportion of the liquid crystal molecules oriented at angles of 20 DEG to 60 DEG and -60 DEG to -20 DEG with respect to the surface of the one of the substrates to the entire liquid crystal molecules included in the liquid crystal layer while white is displayed and the proportion of light beams entering the surface of the one of the substrates at angles of 20 DEG to 60 DEG and -60 DEG to -20 DEG to the entire light beams emitted from the backlight unit and entering the liquid crystal display panel is less than 20%.

To provide an information writable film that is chemical and abrasion resistance, and is suitable for high contrast white laser marking. The information writable film comprises a writable film layer 110 and a reading assistance layer 120. The writable film layer 110 is formed into a film shape by thinly stretching a material, which material is mixed a color former composition for coloring white when receiving the particular wavelength laser beam by changing its physical and chemical characteristic and a transparent plastic composition. The reading assistance layer 120 is installed for enhancing the contrast ratio. The writable film layer 110 is provided with laser coloring properties and chemical and abrasion resistance. During writing, an identification code is written by laser by coloring the color former in the writable film layer 110. During reading, the contrast ratio is enhanced by superimposing the color of the reading assistance layer 120.

A rubbing method and a method of fabricating a liquid crystal display (LCD) device using the same are discussed. The rubbing method is capable of decreasing disclination and rubbing tails resulting from a pattern of a high stair-step such as a column spacer. The rubbing method includes loading a substrate having an alignment layer formed thereon on a stage; performing a primary rubbing process on the alignment layer, by rotating a first rubbing roll on which a first rubbing cloth is rolled, in an opposite direction to a forming direction of a desired pretilt angle; and performing a secondary rubbing process on the primarily-rubbed alignment layer, by rotating a second rubbing roll on which a second rubbing cloth is rolled, in the forming direction of the desired pretilt angle.

An optical film includes a film ''a'' formed by cyclic-olefin-based resin and an optically anisotropic layer ''b'' arranged on the film ''a'' and having homeotropic orientation The optical film preferably satisfies the following expressions [1] to [3]: [1] -600 nm <= Rth <= 200 nm, [2] 0 nm <= R <= 600 nm, and [3] NZ <= 1, wherein Rth represents a phase difference in the wavelength 550 nm in the thickness direction of the optical film, R represents a phase difference in the wavelength 550 nm in the optical film surface, and the relationship NZ = (nx - nz) / (nx - ny) is satisfied. When the optical film is used in a liquid crystal device in the ISP mode, it stably prevents light leak or coloring during black display and can obtain a high contrast ratio in all the directions, thereby exhibiting a preferable view angle compensation effect.

An optical film(3) of the invention comprises a polarizing plate(1) and plural retardation films(2) so that an absorption axis of the polarizing plate(1) is perpendicular or parallel to slow axes of the plural retardation films(2) and the slow axes of the plural retardation films(2) are parallel to one another. An Nz value expressed by Nz=(nx1−nz1) / (nx1−ny1) is in the range of from 0.15 to 0.85 and an in-plane retardation Re1 expressed by Re1=(nx1−ny1)×d1 is in the range of from 200 to 350 nm, where in each of the plural retardation films, a direction along with the refractive index in the film plane is maximum is defined as the X-axis, a direction perpendicular to the X-axis as the Y-axis, the thickness direction of the film as the Z-axis, and where refractive indices in each axial direction are defined as nx1, ny1, and nz1, respectively, and the thickness of the film as d1 (nm). The optical film may realize an easily viewable display with high contrast ratio in a wide range.

Colored conductive fluids for electrowetting or electrofluidic devices, and the devices themselves, are disclosed. The colored conductive fluid includes a polar solvent and a colorant selected from a pigment and / or a dye. The polar solvent has (a) a dynamic viscosity of 0.1 cP to 1000 cP at 25 DEG C, (b) a surface tension of 25 dynes / cm to 90 dynes / cm at 25 DEG C, and (c) an electrowetting relative response of 20% to 80%. The colored conductive fluid itself can have an electrical conductivity from 0.1[mu]S / cm to 3,000 [mu]S / cm and can have no greater than 500 total ppm of monatomic ions with ionic radii smaller than 2.0AA and polyatomic ions with ionic radii smaller than 1.45AA. The colored conductive fluid should not cause electrical breakdown of a dielectric in the device in which it is employed. An agent for controlling electrical conductivity can optionally be added to the colored conductive fluid.

The subject is to provide a liquid crystal composition that satisfies at least one characteristic among characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a low viscosity, a suitable optical anisotropy, a negatively large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding two or more characteristics. The subject is to provide an AM device that has a short response time, a high voltage holding ratio, a high contrast ratio, a long service life and so forth.The invention provides a liquid crystal composition having a negative dielectric anisotropy that contains a specific compound having a negatively large dielectric anisotropy as a first component, and a specific two-ring compound having a low viscosity as a second component, and provides a liquid crystal display device containing the composition.