Fujifilm Corporation

Fuji Photo Film Company, Limited

Fuji Photo Film, Inc.

Fujfilm Corporation

Yoji Ito

Michio Nagai

Daisuke Kashiwagi

Akira Yamamoto

Nobuhiko Ichihara

Ken Kawata

Jun Takeda

Shigeki Yokoyama

Hideyuki Nakamura

Hirofumi Toyama

Masayuki Negoro

Yoshiaki Hisakado

Isao Fujiwara

Yukito Saitoh

Hiroyuki Mori

Shunya Katoh

Makoto Ishiguro

Hiroyuki Kawanishi

Yosuke Nishiura

Eiichiro Aminaka

Keiji Mihayashi

Nobutaka Fukagawa

Yujiro Yanai

Taku Nakamura

Hideyuki Nishikawa

Wataru Hoshino

Shinji Ueda

Tomokazu Yasuda

Hajime Nakayama

Ichiro Amimori

Yuta Takahashi

Ryuji Saneto

Shuntaro Ibuki

Rikio Inoue

Junichi Hirakata

Ryo Nakamura

Masaya Suzuki

Megumi Sekiguchi

Takashi Katou

Kohei Arakawa

Yuya Hamaguchi

Ryo Satake

Yoshiaki Takada

Masatoshi Mizumura

Koh Kamada

Takumi Ando

Masataka Ogawa

Ryota Matsubara

Koshin Matsuoka

Tomonori Ichinose

Ryouta Matsubara

Mitsuo Osato

Masaki Ota

Ryosuke Miyauchi

Makoto Tanaka

A light diffraction film includes a transparent substrate; and a light diffraction layer containing a binder resin and particles, in which an average primary particle diameter of the particles is 1 &#x3bc;m to 10 &#x3bc;m, and a coverage of a surface of the transparent substrate covered with the particles is 70% to 90%.

Light diffraction film and wearable display device

Provided are a coloring composition with which a light absorption anisotropic film having excellent durability can be formed, a light absorption anisotropic film, a laminate, and an image display device. A coloring composition according to the invention contains a dichroic dye compound having a structure represented by Formula (1D) and a liquid crystalline compound. 

Coloring composition, light absorption anisotropic film, laminate, and image display device

An optical member includes: a substrate; and a dot formed on a surface of the substrate. The dot has wavelength selective reflecting properties, and a cholesteric structure which has a stripe pattern including bright and dark portions in a cross-sectional view of the dot when observed with a scanning electron microscope. A surface shape of the dot opposite to the substrate in a cross-section of the dot in a thickness direction has at least one inflection point. In the cross-section, an angle between a normal line perpendicular to a line, formed using a first dark portion from a surface of the dot opposite to the substrate, and the surface of the dot, is in a range of 70&#xb0; to 90&#xb0;. A proportion of a retroreflective area of the optical member is high when observed after light irradiation from an oblique direction to a normal direction perpendicular to the optical member.

Optical member, method of manufacturing optical member, and image display device

An optical member having a base and an underlayer with a region A of surface energy AE and a region B of surface energy BE (BE-AE&#x3e;0 mN/m), in which a dot of a wavelength-selective reflective cholesteric structure is disposed on the region B, has high pattern position accuracy for the patterns formed with the dots.

Optical member, optical member producing method, and image display device

Provided is an optical member including: a substrate; and a dot that is in contact with a surface of the substrate, in which the dot is formed of a liquid crystal material having a cholesteric structure, four or more dots form one recognition effective region as an aggregate, and a shortest inter-end distance between one arbitrary dot and at least two other dots in the recognition effective region is 10 &#x3bc;m or less. in the optical member, even when a dot pattern is observed in an oblique direction, retroreflection properties are exhibited and the intensity of reflected light is high. By using the optical member according to the present invention, an image display device having a high data input sensitivity can be provided.

Optical member and image display device including optical member

A transparent screen includes a substrate capable of transmitting light; and a plurality of dots formed on a surface of the substrate, each of the dots having wavelength-selective reflectivity and being formed of a liquid crystal material having a cholesteric structure, in which the cholesteric structure gives a striped pattern of bright parts and dark parts in a cross-sectional view of the dot observed by scanning electron microscope, the dot includes a portion having a height that increases continuously to the maximum height in a direction extending from the edge toward the center of the dot, and in the portion, the angle formed by the normal line to a line that is formed by a first one of the dark parts as counted from the surface of the dot on the opposite side of the substrate and the surface of the dot is in the range of 70&#xb0; to 90&#xb0;.

Transparent screen

Provided is an optical member including: a substrate; and a dot that is in contact with a surface of the substrate, in which the dot is formed of a liquid crystal material having a cholesteric structure, and the dot exhibits wavelength selective reflecting properties having two or more reflection peaks. By using the optical member according to the present invention, an image display device in which erroneous detection of data input is reduced can be provided.

The optical member of the present invention includes: a substrate; and a dot that is in contact with a surface of the substrate, in which the dot has wavelength selective reflecting properties, the dot is formed of a liquid crystal material having a cholesteric structure, the cholesteric structure has a stripe pattern including bright portions and dark portions in a cross-sectional view of the dot when observed with a scanning electron microscope, the dot includes a portion having a height which continuously increases to a maximum height in a direction moving from an end portion of the dot to the center of the dot, in the portion, an angle between a normal line perpendicular to a line, which is firmed using a first dark portion from a surface of the dot, and the surface is in a range of 70&#xb0; to 90&#xb0;, and the liquid crystal material includes a surfactant.

A liquid crystal (LC) display device uses a phase difference film which increases front contrast of the device, and a polarization plate. The film includes a first optical anisotropic layer, and a second optical anisotropic layer thereon, the first layer formed by fixing an LC compound in a homogeneous alignment state, has an order parameter (OP) of 0.75 to 0.95, and layer thickness of 0.3 &#x3bc;m to 3.0 &#x3bc;m, the second layer formed by fixing an LC compound in a homeotropic alignment state, has an OP of 0.60 to 0.95, and layer thickness of 0.3 &#x3bc;m to 3.0 &#x3bc;m, the OP which is denoted by OP=(A&#x2212;A&#x22a5;)/(2A&#x22a5;+A), 'A' which represents absorbance of the LC compound regarding light polarized parallel to an alignment direction, and 'A&#x22a5;' which represents absorbance of the LC compound regarding light polarized vertical to the alignment direction.

Phase difference film, polarization plate, and liquid crystal display device

The present invention provides an optical member having a substrate and a dot in contact with a surface of the substrate, wherein the dot is made of a liquid crystal material having a cholesteric structure; the dot has wavelength selective reflection property; and the dot reflects both the right circularly polarized light and the left circularly polarized light at a wavelength at which the dot exhibits the wavelength selective reflection property. The present invention also provides an image display device having the above optical member. The optical member of the present invention achieves a large intensity of reflected light from the dot in the optical member, and the image display device of the present invention has favorable data input sensitivity as an image display device capable of receiving data input.

Optical member and image display device having optical member

A liquid crystal display device includes: a front-side polarizing plate having a front-side polarizer; a liquid crystal cell; and a rear-side polarizing plate having a rear-side polarizer in this order, in which a distance Dfrom a central portion of the front-side polarizer to a central portion of the liquid crystal cell and a distance Dfrom a central portion of the rear-side polarizer to the central portion of the liquid crystal cell are different from each other, in which a ratio between an X value, and the distance Dand a Y value, and the distance Drear-side polarizer is in a range of 1&#xb1;0.12, a distance Tbetween the front-side polarizing plate and the liquid crystal cell is 40 &#x3bc;m or more, and a distance Tbetween the rear-side polarizing plate and the liquid crystal cell is in a range of 0 to 30 &#x3bc;m.

Liquid crystal display device

The information processor includes an input unit having an illuminating part and an image pickup part, and an input medium having an input surface on which inputting of information is carried out by the input unit which has position coordinates on the input surface coded by a dot pattern. The input unit irradiates light from the illuminating part onto input surface of the input medium. The irradiated light reflects off the dot contained in the dot pattern which is picked up by the image pickup part, and position information of the dot pattern is obtained. The input unit further has an input unit angular position measuring part that measures an angular position of the input unit when the light is irradiated. Based on corrected position information obtained by correction processing based on the angular position, input information, that is specified by the position coordinates is obtained.

Information processor having an input unit which inputs information on an input medium

An image display device in which an image display panel, at least one patterned retardation layer and a polarization element layer are arranged in this order, and the patterned retardation layer includes first retardation regions and second retardation regions which are alternately arranged in a stripe-like form and in which at least one of an in-plane slow axis direction and a retardation is different from each other.

Circular polarizing plate having patterned retardation layer and organic EL display element having said circular polarizing plate

A retardation film includes a first optically anisotropic layer having liquid crystal compounds fixed in a homogeneously aligned state and a leveling agent, and having an order parameter of 0.75 to 0.95 and a thickness of 0.3 to 3.0 &#x3bc;m; an intermediate layer including a resin having a solubility parameter SP value of 21.5 to 24.7, calculated by Hoy's method, the intermediate layer having a thickness of 3.0 &#x3bc;m or less; and a second optically anisotropic layer having liquid crystal compounds fixed in a homeotropically aligned state, and having an order parameter OP of 0.6 to 0.95 and a thickness of 0.3 to 3.0 &#x3bc;m, wherein OP is represented by the following equation; OP=(A&#x2212;A)/(2A+A) where Ais absorbance of the liquid crystal compounds for light polarized parallel to an alignment direction, and Ais absorbance of the liquid crystal compounds for light polarized perpendicular to the alignment direction.

Retardation film, polarizing plate, and liquid crystal display

A liquid crystal display device comprising a liquid crystal cell and a polarizer arranged on at least one outer side of the liquid crystal cell, wherein the liquid crystal cell includes a pair of substrates at least one of which has an electrode and which are arranged oppositely to each other, and a liquid crystal layer sandwiched between the substrates, and at least one substrate includes at least three color pixels of B, G and R satisfying the following formula (1-1), and the polarizer includes a polarizing element and a film satisfying the following formula (1-2) and containing an optically-anisotropic layer:&#x2212;20 nm&#x2266;{[cell](630)&#x2212;[cell](440)}&#x2266;28 nm,&#x2003;&#x2003;(1-1)1 nm&#x3c;(630)&#x2212;(440)&#x2266;12 nm.&#x2003;&#x2003;(1-2).

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Kanagawa, Japan

Yoji Ito