Fujifilm Corporation

Mayumi Nojiri

Nobutaka Fukagawa

Aiko Yoshida

Naoya Shimoju

Ayako Muramatsu

Yu Naito

Hideyuki Nishikawa

Keita Takahashi

Naoki Sano

Hiroyuki Ishikawa

Hiroshi Sato

Yukito Saitoh

Takahiro Ohno

Ryo Satake

Naoya Shibata

Ryoji Goto

Satoshi Shimamura

Hiroyuki Hagio

Shino Ohira

An object of the present invention is to provide: an optical element in which incident light can be transmitted or reflected at an angle in the predetermined direction and the wavelength dependence of the amount of transmitted light or reflected light is small; and an optical element including the optical element. The optical element according to the present invention comprises: an optically-anisotropic layer that is formed using a composition including a liquid crystal compound and an infrared absorbing colorant, in which the optically-anisotropic layer has a liquid crystal alignment pattern in which a direction of an optical axis derived from the liquid crystal compound changes while continuously rotating in at least one in-plane direction, and an absorption of the infrared absorbing colorant in a wavelength range of 700 to 2000 nm in a minor axis direction is higher than an absorption of the infrared absorbing colorant in a wavelength range of 700 to 2000 nm in a major axis direction.

Optical element and light guide element

The present invention provides a phase difference film in which reflection of external light is suppressed, tinting of reflected light is suppressed, and tinting at the time of white display is suppressed in a case where the phase difference film is applied to a display device; a circularly polarizing plate; and an organic electroluminescent display device. The phase difference film of an embodiment of the present invention has an in-plane retardation of 100 to 200 nm at a wavelength of 550 nm and satisfies Requirement 1: Δxy<0.010 and Requirement 6: 0.10<Slope S≤1.0.

Phase difference film, circularly polarizing plate, and organic electroluminescent display device

An image display device which suppresses destruction of an image display panel due to static electricity carried by a phase difference film, and has excellent adhesiveness between the phase difference film and the image display panel even in a moisture-heat environment, and a circularly polarizing plate with a photosensitive adhesive. The image display device includes a circularly polarizing plate having a linear polarizer and a phase difference film, and an image display panel in this order from a viewing side, in which the phase difference film and the image display panel are bonded by a pressure-sensitive adhesive, the phase difference film has an optically anisotropic layer obtained by polymerizing a polymerizable liquid crystal composition containing at least one kind of polymerizable liquid crystal compound having a predetermined structure, and the pressure-sensitive adhesive contains a polymer having an acid value of 1 to 30 mgKOH/g and an antistatic agent.

Image display device and circularly polarizing plate with photosensitive adhesive

The present invention provides: a laminate which has a polarizer and an optically anisotropic layer and has excellent thermal durability; and an organic electroluminescent device and a liquid crystal display device, which include the laminate. The laminate according to the embodiment of the present invention is a laminate having two substrates, and a polarizing plate disposed between the two substrates, in which the polarizing plate has an optically anisotropic layer and a polarizer, the optically anisotropic layer is formed of a composition containing a polymerizable liquid crystal compound represented by Formula (I), the polarizer contains a polyvinyl alcohol-based resin, and a moisture permeability of the substrate is 10g/m&#xb7;day or less. 

Laminate, organic electroluminescent device, and liquid crystal display device

Provided are an optically anisotropic film which has excellent moisture-heat resistance and can have a reduction in the thickness, an optical film, a polarizing plate, and an image display device. The optically anisotropic film is obtained by polymerizing a polymerizable liquid crystal composition, in which the polymerizable liquid crystal composition contains a polymerizable liquid crystal compound represented by Formula (1): L-SP-(E-A)-E-G-D-Ar-D-G-E-(A-E)-SP-Land a polymerizable liquid crystal compound represented by Formula (2): L-SP-(E-A)-E-G-D-Ar-D-G-E-(A-E)-SP-L, and the optically anisotropic film satisfies Formula (3): Re(450)/Re(550)&#x3c;1 or Formula (4): Rth(450)/Rth(550)&#x3c;1, and has a degree of alignment as measured by Raman spectroscopy of 0.4 or more.

Optically anisotropic film, optical film, polarizing plate, and image display device

A polymerizable liquid crystal composition capable of manufacturing an optically anisotropic film having excellent light fastness; and an optically anisotropic film, an optical film, a polarizing plate, an image display device, and an organic electroluminescent display device, each of which uses the polymerizable liquid crystal composition. The polymerizable liquid crystal composition of an embodiment of the present invention contains a polymerizable liquid crystal compound having reverse-wavelength dispersion properties and an ultraviolet absorber represented by Formula (1), in which a maximum absorption wavelength A of the polymerizable liquid crystal compound and a maximum absorption wavelength B of the ultraviolet absorber satisfy Formula (2), and a content of the ultraviolet absorber is 1% to 20% by mass with respect to a content of the polymerizable liquid crystal compound. 

Polymerizable liquid crystal composition, optically anisotropic film, optical film, polarizing plate, image display device, and organic electroluminescent display device

A polymerizable liquid crystal composition capable of manufacturing an optically anisotropic film having excellent light fastness; and an optically anisotropic film, an optical film, a polarizing plate, an image display device, and an organic electroluminescent display device, each of which uses the polymerizable liquid crystal composition. The polymerizable liquid crystal composition of an embodiment of the present invention contains a polymerizable liquid crystal compound having reverse-wavelength dispersion properties and an aromatic polyether-based compound.

A polarizing plate, which includes at least a polarizer layer including an iodine-dyed polyvinyl alcohol film, and the polarizing plate including a compound with a bond dissociation energy E1 of less than or equal to 90.0 kcal/mol, a peroxide radical forming energy E2 of less than or equal to 0.0 kcal/mol, and a polyiodide ion Iforming ability in an iodide compound-containing solution of less than or equal to 1.0.

Polarizing plate, liquid crystal display device having the same, and method of manufacturing polarizing plate

A polarizing plate protective film which prevents deterioration of polarization performance in a high temperature, high humidity environment, and a polarizing plate and display device using the film including a compound represented by the following General Formula (I).(X-LZ&#x2003;&#x2003;General Formula (I)X represents a formyl group, a boronic acid group, or a group represented by the following General Formula (I-B) or a group represented by the following General Formula (I-C), where L represents a single bond or divalent linking group, and n represents an integer equal to or greater than 2. When n is 2, Z represents a single bond or a divalent group, and when n&#x2265;3, Z represents an n-valent group. Rand Rrepresent an alkyl group, a cycloalkyl group, an aryl group, or an acyl group. Rand Rmay be bonded to each other to form a ring. * represents a bond to be bonded to L.

Polarizing plate protective film, polarizing plate, and display device

A composition for a polarizing plate containing a polymer having a partial structure represented by the following ring structure &#x3b1; or &#x3b2; in the molecule, a polarizing plate protective film, a cellulose acylate film, a polarizer, a polarizing plate, and a display; wherein Lrepresents a single bond, &#x2014;C(&#x2550;O)&#x2014;, &#x2014;C(&#x2550;S)&#x2014;, an alkylene group, or an arylene group; and the symbol * designates a boning hand, or a site to which a hydrogen atom, a substituent, or a linking group binds.

Composition for polarizing plate, polarizing plate protective film, cellulose acylate film, polarizer, polarizing plate, and display

A polarizing plate composition, a polarizing plate protective film, a polarizer, a polarizing plate, and a liquid crystal display device contain a compound represented by the following Formula (I). In Formula (I), R represents a specific substituent, and each of EWGand EWGrepresents an electron-withdrawing group. EWGand EWGmay form a ring by being bonded to each other. Here, there is no such case where EWGand EWGbecome the following group by being bonded to each other and form a ring by being bonded to a carbon atom substituted with R. Each of Rx and Ry represents a hydrogen atom or a substituent. * represents a position of bonding to a carbon atom substituted with R.

Polarizing plate composition, polarizing plate protective film, polarizer, polarizing plate, and liquid crystal display device

A polarizing plate has at least a polarizer layer including a polyvinyl alcohol film dyed with iodine and includes a compound exhibiting a polyiodide ion Iforming ability in an iodide compound-containing solution.

Polarizing plate, liquid crystal display device including same, and method for producing polarizing plate

A polarizing plate of the present invention includes polarizing plate protective film(s) on one or both sides of a polarizer, wherein the polarizing plate protective film contains a compound represented by general formula (I) or (II) described below, the polarizer contains iodine, and the content of the iodine within the polarizer is 4.0 wt % or greater. 

Polarizing plate and display device

A polarizing plate protective film contains a compound represented by general formula (I). In general formula (I), X is a group containing a boronic acid ester structure, and a plurality of Xs may be identical or different; L represents a single bond or a divalent linking group, and a plurality of Ls may be identical or different; n represents an integer of 2 or more; when n is 2, Z represents a single bond or a divalent group, and when n is 3 or more, Z represents a group having a valence of n, provided that L and Z are not simultaneously single bonds when n is 2. 

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Kanagawa, Japan

Mayumi Nojiri