Fujifilm Corporation

Junichi Hirakata

Yukito Saitoh

Yuya Hamaguchi

Yusuke Ohashi

Yujiro Yanai

Katsufumi Ohmuro

Jun Watanabe

Kentaro Toyooka

Kotaro Yasuda

Minoru Wada

Tadashi Ito

Hiroyuki Mori

Yoji Ito

Shinji Ueda

Hirofumi Toyama

Hideki Kaneiwa

Kunihiro Atsumi

Yoshiaki Hisakado

Hiroaki Sata

Makoto Kamo

Hiroyuki Kaihoko

Ryota Matsubara

Provided is a display device capable of switching between a wide viewing angle and a narrow viewing angle with a simple configuration and simple control. The problem is solved by providing a display element and an optical switching element which is disposed on a visible side of the display element, in which the optical switching element has a light guiding plate and a light source for causing light to be incident on an end surface of the light guiding plate, and 80% or more of the light emitted from the light guiding plate when the light source is turned on is emitted to a region at an angle of 30&#xb0; or more with respect to a normal line of the light guiding plate on a surface on the opposite side of the display element.

Display device

An object of the invention is to provide an optical laminate which has excellent workability in the production of a polarizing plate and is capable of suppressing the occurrence of cracks in the polarizing plate, a polarizing plate, a method of manufacturing the polarizing plate using the optical laminate, and an image display device having the polarizing plate. An optical laminate according to the invention has a polarizer, an optical anisotropic layer, and a masking layer in this order, and hardness HB of the masking layer and hardness HA of a layer adjacent to the optical anisotropic layer side of the masking layer satisfy Expression (1):&#xd7;0.5&#x2264;&#xd7;2&#x2003;&#x2003;(1).

Optical laminate, polarizing plate, method of manufacturing polarizing plate, and image display device

An object of the present invention is to provide a plastic cell having a sealing part that does not lose a sealing property even in a case where a plastic substrate is deformed into a free shape with roughness or curved surfaces, and a method for manufacturing the same. The plastic cell of the present invention is a plastic cell including a first plastic substrate, a first transparent conductive layer, a fluid layer, a second transparent conductive layer, and a second plastic substrate, in this order, in which the plastic cell further includes a sealing part that seals the fluid layer by deformation of a part of the first plastic substrate or the second plastic substrate, and the sealing part is a sealing part having a region of a wavy line shape that satisfies Expression (1),&#x2264;40 A&#x2003;&#x2003;(1) in Expression (1), P represents a period of the wavy line shape, and A represents an amplitude of the wavy line shape.

Plastic cell and method for manufacturing same

The present invention is directed to a liquid crystal cell in which liquid crystal molecules are not blended into a plastic substrate even if the plastic substrate is deformed through stretching or shrinkage. A liquid crystal cell of the present invention includes at least two plastic substrates of which at least one is a heat-shrinkable film satisfying a heat shrinkage rate of 5% to 75%; a liquid crystal layer; and a polymer layer between at least one plastic substrate and the liquid crystal layer and into which a composition containing at least one monofunctional monomer having a hydrophilic group and is monofunctional acrylate or monofunctional methacrylate, and at least one polyfunctional monomer having two or more functional groups and is polyfunctional acrylate or polyfunctional methacrylate, is polymerized, in which a wavelength of maximum absorbance of each of the monofunctional monomer and the polyfunctional monomer is 190 to 250 nm.

Liquid crystal cell and three-dimensional liquid crystal cell

An object of the invention is to provide a novel laminate and a novel image display device which have both of a gas barrier function and a circular polarization conversion function and have a reduced thickness as compared to those in the related art. A laminate of the invention has a substrate, an inorganic layer, an alignment film, and an organic layer in this order, and the organic layer contains a liquid crystal compound.

Laminate and image display device

An object of the invention is to provide a novel image display device which has both of a gas barrier function and a polarization conversion function and has a reduced thickness as compared to those in the related art. An image display device of the invention has a sealing material and an image display element in this order from the visible side, the sealing material is a laminate having a substrate, an inorganic layer, and an organic layer, and the organic layer contains a liquid crystal compound.

Image display device

An object of the invention is to provide a novel laminate and a novel image display device which have both of a gas barrier function and a polarizer function and have a reduced thickness as compared to those in the related art. A laminate of the invention has a laminate which has a substrate, an inorganic layer, and an organic layer, and the organic layer contains an organic dichroic pigment.

An object of the present invention is to provide a plastic cell that maintains conductivity without losing a sealing property and allows extension of an electrode even in a case where a plastic substrate is deformed into a free shape with roughness or curved surfaces, and a method for manufacturing the same. The plastic cell of the present invention includes a first plastic substrate, a first transparent conductive layer, a fluid layer, a second transparent conductive layer, and a second plastic substrate, in this order, the plastic cell further including a sealing part that seals the fluid layer by deformation of a part of the first plastic substrate or the second plastic substrate, in which the first plastic substrate has a first through-hole, the second plastic substrate has a second through-hole, the first through-hole has a first conductive material therein, and the second through-hole has a second conductive material.

An object of the invention is to provide a novel laminate and a novel image display device which have both of a gas barrier function and a circular polarization conversion function and have a reduced thickness as compared to those in the related art. A laminate of the invention has a substrate, an organic layer A, an inorganic layer B, and an organic layer B in this order, and at least one of the organic layer A or the organic layer B contains a liquid crystal compound.

The polarizing plate of the present invention includes a polarizer and an optical element that rotates a polarization plane of polarized light emitted from the polarizer, an orientation direction on a surface of the optical element on a polarizer side is parallel to an absorption axis of the polarizer, an orientation direction on a surface of the optical element opposite to the polarizer is perpendicular to the absorption axis of the polarizer, and &#x394;nd and a birefringence parameter Rof the optical element fall in a range of a predetermined region in an orthogonal coordinate in which &#x394;nd is indicated along a vertical axis and the birefringence parameter Ris indicated along a lateral axis.

Polarizing plate

To reduce the crosstalk caused by the optical characteristic of the support film. A patterned retardation film comprising at least a support film () having optical anisotropy and a patterned retardation layer () disposed on the support film and having a first retardation region and a second retardation region, at least one of an in-plane slow axis direction and a retardation being different between the first and second retardation regions, wherein a variation in the in-plane slow axis direction of the support film is 3&#xb0; or more.

Patterned retardation film, patterned polarizing plate, image displaying device, and stereo picture displaying system

Disclosed are a backlight unit and a liquid crystal display capable of improving viewing angle dependency of tint of a liquid crystal display image, thereby obtaining a high-quality liquid crystal display image with no tint when viewed from a slanting direction. A backlight unitof a just-beneath type with a plurality of light sources arranged below a light emission surfaceincludes a light emission spectrum controlling unitfor controlling separately light emission spectra in a front direction which becomes a normal direction to the light emission surfaceand a slanting direction inclined at a predetermined angle from the front direction. The plurality of light sources are a plurality of LED light sources which are different in a light emission color, and each LED light source includes a first LED element with the front direction as an optical axis of emission light and a second LED element with the slanting direction as an optical axis of emission light for each light emission color. The light emission spectrum controlling unitchanges light emission intensity of the second LED element for each light emission color.

Backlight unit and liquid crystal display

A polarizing plate for a liquid crystal display is provided and includes a first protective film, a polarizer, a second protective film and a light diffusion layer in order. The light diffusion layer is a layer including a translucent resin and translucent particles having a refractive index different from a refractive index of the translucent resin. The internal haze of the light diffusion layer is 45% to 80%.

Polarizing plate and liquid crystal display

A liquid crystal display device is provided and includes: a liquid crystal cell including a pair of transparent glass substrates each having a transparent electrode, and a nematic liquid crystal between the pair of the transparent glass substrates; and a pair of polarizing plates sandwiching the liquid crystal cell. At least one of the pair of polarizing plates includes a protective film; a polarizer; and an optical compensation film. One of the pair of transparent glass substrates, an adhesive; the optical compensation film; the polarizer; and the protective film are stacked in this order, and they satisfy the following equations (1) to (3):|1&#x2212;2|&#x2266;0.03&#x2003;&#x2003;(1)|2&#x2212;3|&#x2266;0.03&#x2003;&#x2003;(2)|1&#x2212;3|&#x2266;0.03&#x2003;&#x2003;(3)where n1, n2, and n3 indicate average refractive indices at 589 nm of the one of the pair of the transparent glass electrodes, the adhesive; and the optical compensation film, respectively.

Liquid crystal display device

A liquid crystal display device includes a pair of polarizing films; a liquid crystal cell that is sandwiched between the pair of polarizing films; a retardation layer (A) of 70 &#x3bc;m or less in thickness, which is disposed between the liquid crystal cell and one of the pair of polarizing films; and a retardation layer (B) of 70 &#x3bc;m or less in thickness, which is disposed between the liquid crystal cell and the other of the pair of polarizing films, wherein the retardation layers (A) and (B) satisfy following formulae (1) to (3):RthU&#x3e;RthD&#x2003;&#x2003;Formula (1):&#x2212;20 nm&#x2266;RthD&#x2266;20 nm&#x2003;&#x2003;Formula (2):20 nm&#x3c;RthU&#x2266;60 nm&#x2003;&#x2003;Formula (3): wherein RthU and RthD represent a retardation in a thickness direction at a wavelength of 550 nm of the retardation layer (A) and the retardation layer (B), respectively.

Growing community of inventors

Minami-ashigara, Japan

Junichi Hirakata