Fujifilm Corporation

Fuji Photo Film Company, Limited

Fuji Photo Co., Ltd.

Ichiro Amimori

Hideki Kaneiwa

Jun Watanabe

Kazuhiro Nakamura

Hidetoshi Watanabe

Satomi Suzuki

Hidetoshi Tomita

Hideyasu Ishibashi

Hirohisa Hokazono

Takashi Murooka

Akihiro Ikeyama

Hiroshi Inoue

Eiichiro Aminaka

Kenichi Nakamura

Wakahiko Kaneko

Hisashi Okamura

Shinichi Morishima

Yoji Ito

Hiroki Sasaki

Atsuhiro Ohkawa

Tomokazu Yasuda

Morimasa Sato

Yosuke Nishiura

Tsutomu Arai

Kensuke Morita

Michitaka Matsuumi

Isao Fujiwara

Yasuhiro Aiki

Kouki Takahashi

Haruhiko Yoshino

A method of producing a patterned birefringent product, comprising at least steps [1] to [3] in this order:

Method of producing patterned birefringent product and birefringent pattern building material

A viewer for authenticating a birefringent pattern having at least two regions having a different birefringence from each other, wherein the viewer contains a polarizing plate and at least one optically anisotropic layer laminated on the polarizing plate, a front retardation of the at least one optically anisotropic layer is 5 nm or more and the total of the front retardation of the at least one optically anisotropic layer and a maximum value of front retardation of the birefringent pattern is greater than &#x3bb;/2.

Viewer and kit for authenticating birefringent pattern, authenticity-verifying medium and method of verifying authenticity

A method of producing a patterned birefringent product, containing at least steps (I) to (III) in this order:

Method of producing a patterned birefringent product

A birefringent pattern builder, having an optically anisotropic layer containing a polymer having unreacted reactive groups, wherein the optically anisotropic layer is produced by a method containing the steps [1] and [2] in this order: 

Birefringent pattern builder and laminated structure material for preventing forgery

A method of producing a patterned birefringent product, having at least steps (I) to (III) in this order:

A novel transfer material is disclosed. The transfer material comprises, at least, a support, and, thereon, an optically uniaxial or biaxial anisotropic layer and a photosensitive polymer layer. A novel process for producing a liquid crystal cell substrate is also disclosed. The process comprises, at least, [1] laminating a transfer material as set forth in any one of claimstoon a substrate; [2] removing the support from the transfer material laminated on the substrate; and [3] exposing the photosensitive polymer layer disposed on the substrate to light.

Transfer material, and process for producing liquid crystal cell substrate and liquid crystal display device using the same

A process of readily producing a patterned birefringent product excellent in resolution and heat-resistance is provided. Said process comprises at least the following steps [1] to [3] in order:

Process of producing patterned birefringent product

A novel optical compensation sheet is disclosed. The sheet comprising a polymer layer formed by coating and, drying a solution comprising a polymer compound and a solvent composition comprising 20% by weight or more of water; and an optically anisotropic layer formed on the surface of the polymer layer by hardening a liquid crystal layer comprising at least one liquid-crystalline compound under irradiation of ionizing radiation at a film surface temperature from 70 to 160&#xb0; C.; wherein a frontal retardation (Re) value of the optically anisotropic layer is not zero, and the optically anisotropic layer gives substantially equal retardation values for light of a wavelength &#x3bb; nm coming respectively in a direction rotated by +40&#xb0; and in a direction rotated by &#x2212;40&#xb0; with respect to a normal direction of a layer plane using an in-plane slow axis as a tilt axis (a rotation axis).

Optical compensation sheet, process for producing the same, and polarizing plate and liquid crystal display device using the same

A medium for preventing forgery having a hologram layer and at least one patterned optically anisotropic layer,

Medium for preventing forgery

A transfer material comprising at least one optically anisotropic layer and at least one photosensitive polymer layer on at least one support, wherein said optically anisotropic layer comprises one or more compounds having a reactive group, and said photosensitive polymer layer comprises two or more types of photopolymerization initiators having different photoreaction mechanisms to each other, and a compound having a reactive group which can react with one or more of the reactive groups present in the optically anisotropic layer by the action of the at least one of said photopolymerization initiators. By using the transfer material, a color filter which contributes to reducing viewing angle dependence of color of a liquid crystal display device, and a liquid crystal display device having less corner non-uniformities and less viewing angle dependence of color.

Transfer material, process for producing a color filter using the same, a color filter and liquid crystal display device

There is provided an optical device including a plurality of first phasors having substantially the same phase delaying axis as each other; and a plurality of second phasors having substantially the same phase delaying axis as each other in a direction different from that of the first phasors and providing a phase difference substantially the same as that provided by the first phasors, in which the plurality of first phasors and the plurality of second phasors are arranged on substantially the same face, a density of the first phasors is substantially the same as a density of the second phasors, and a spatial distribution of the density of the first phasors and a spatial distribution of the density of the second phasors are substantially uniform.

Optical device

Provided is an optical device, comprising a plurality of polarizers that are arranged along a propagation direction of incident light; a first phase element that is disposed between the plurality of polarizers and that has a phase lag axis forming a prescribed angle relative to transmission axes of the polarizers arranged along the propagation direction; and a second phase element that is disposed between the first phase element and one of the polarizers arranged along the propagation direction, and that provides the incident light with a prescribed phase difference. An angle of the phase lag axis of the second phase element is adjusted such that the optical device transmits light in a prescribed wavelength region in the incident light.

Optical device and optical system

There is provided an optical device including a plurality of polarizers that are arranged along a propagation direction of incident light, where the plurality of polarizers have transmission axes of substantially the same direction, a phaser that is provided between the plurality of polarizers, where the phaser has a retarded-phase axis forming a predetermined angle with the transmission axes of the plurality of polarizers, and a phase modulator that is provided adjacent to the phaser along the propagation direction, where the phase modulator has a retarded-phase axis of substantially the same direction as the retarded-phase axis of the phaser. Here, a phase difference generated in the incident light by the phase modulator is temporally adjusted such that the optical device transmits light in different wavelength ranges at different timings.

A polymerizable liquid crystal compound is represented by the following formula (1):P-Sp-L-M-L-Sp-Ox &#x2003;&#x2003;(1)wherein P represents a polymerizable group; one of Spand Sprepresents a branched alkylene group, or an alkylene group containing, in the chain thereof, at least one divalent linking group selected from the group consisting of &#x2014;O&#x2014;, &#x2014;C&#x2261;C&#x2014; and &#x2014;S&#x2014;; the other of Spand Sprepresents a straight chain alkylene group; each of Land Lindependently represents a divalent linking group; Mrepresents a mesogenic group; and Ox represents a substituent containing an oxetanyl group.

Polymerizable liquid crystal compound, phase difference film and liquid crystal display using the same

A laminated structure comprising, at least one optically anisotropic layer formed of a liquid crystalline composition comprising a compound having two or more types of reactive groups, and at least one photosensitive polymer layer. The laminated structure is useful for forming an optically anisotropic layer inside of a liquid crystal cell. The laminated structure is also useful for forming a liquid crystal cell substrate with an optically anisotropic layer having an optically compensating ability, inside of a liquid crystal cell.

Laminated structure, process of producing a liquid crystal cell substrate using the same, liquid crystal cell substrate, and liquid crystal display device

Growing community of inventors

Minami-ashigara, Japan

Ichiro Amimori