Fujifilm Corporation

Fuji Photo Film Company, Limited

Renesas Electronics Corporation

Hideyuki Nishikawa

Ken Kawata

Atsuhiro Ohkawa

Makoto Takahashi

Yukito Saitoh

Kunihiro Atsumi

Mitsuyoshi Ichihashi

Yutaka Nozoe

Mayumi Nojiri

Satoshi Tanaka

Ryo Hamasaki

Wataru Hoshino

Shigeki Uehira

Ayako Muramatsu

Masuji Motoki

Masaaki Tsukase

Ichiro Nagata

Takashi Miyahara

Kazushige Nakagawa

Hiroshi Sato

Yuki Nakamura

Katsufumi Ohmuro

Nobutaka Fukagawa

Aiko Yoshida

Masayuki Negoro

Yuta Takahashi

Yu Naito

Akiko Watano

Ryoji Goto

Eiichiro Aminaka

Hiroyuki Ishikawa

Kotaro Yasuda

Hiroyuki Hagio

Takashi Iizumi

Yuki Matsuda

Masaki Okazaki

Jun Takeda

Shunya Katoh

Yoji Ito

Shigeki Yokoyama

Masahiro Asami

Masaki Noro

Akio Tamura

Michio Nagai

Akira Ikeda

Masataka Yoshizawa

Ken Kawada

Takafumi Hosokawa

Hideki Maeta

Makoto Kamo

Nobuyuki Akutagawa

Kuniharu Muto

Yuki Nakazawa

Yoshiaki Takada

Yuuta Fujino

Koh Kamada

Michitaka Matsuumi

Reiko Inushima

Koshin Matsuoka

Masato Nakao

Yi Li

Kunihiro Kasezawa

Soichiro Watanabe

Haruyoshi Gotou

Mirei Arayasu

An object is to provide a method of manufacturing a liquid crystal layer in which a liquid crystal compound can be sufficiently aligned in a method for repeatedly producing a liquid crystal layer. The method includes: an alignment film forming step; a step of forming a liquid crystal alignment layer on the alignment film; a step of forming a liquid crystal layer by laminating a second liquid crystal composition on a surface of the liquid crystal alignment layer opposite to the alignment film, aligning the second liquid crystal composition, and polymerizing the aligned second liquid crystal composition to form a liquid crystal layer; and a liquid crystal layer separation step of separating the formed liquid crystal layer from the liquid crystal alignment layer, in which the step of forming the liquid crystal layer to the liquid crystal layer separation step are repeated to repeatedly prepare the liquid crystal layer.

Method of manufacturing liquid crystal layer

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

Provided is a laminate exhibiting excellent reverse wavelength dispersibility, a circularly polarizing plate, and a display device. The laminate includes a first optically anisotropic film and a second optically anisotropic film, in which both of the first optically anisotropic film and the second optically anisotropic film have a slow axis in an in-plane direction, a maximum absorbance X in a wavelength range of 700 to 900 nm in a slow axis direction and a maximum absorbance Y in a wavelength range of 700 to 900 nm in a fast axis direction of the first optically anisotropic film are different from each other, and the slow axis of the first optically anisotropic film and the slow axis of the second optically anisotropic film are parallel with or perpendicular to each other.

Laminate, circularly polarizing plate, and display device

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

The present invention provides an optical film having a liquid crystal layer having excellent durability, and a liquid crystal film. The optical film of the present invention has an organic base material and a liquid crystal layer disposed on the organic base material, the liquid crystal layer contains a photo-alignment compound, and in the liquid crystal layer, the photo-alignment compound is unevenly distributed on a side of the organic base material.

Optical film and liquid crystal film

An object is to provide a method of manufacturing a liquid crystal layer in which an alignment film is repeatedly used and a liquid crystal compound in a liquid crystal layer can be sufficiently aligned. The method of manufacturing a liquid crystal layer includes: an alignment film forming step of forming an alignment film on a support; a liquid crystal alignment film alignment step of laminating a first liquid crystal composition including a polymerizable liquid crystal compound on the alignment film and aligning the first liquid crystal composition; a liquid crystal alignment layer forming step of polymerizing the aligned first liquid crystal composition to form a liquid crystal alignment layer; a peeling step of laminating and immobilizing a surface of the liquid crystal alignment layer opposite to the alignment film on an adherend and peeling the liquid crystal alignment layer from the alignment film at an interface between the liquid crystal alignment layer and the alignment film; a liquid crystal layer alignment step of laminating a second liquid crystal composition including a polymerizable liquid crystal compound on a surface of the liquid crystal alignment layer from which the alignment film is peeled off and aligning the second liquid crystal composition; a liquid crystal layer forming step of polymerizing the aligned second liquid crystal composition to form a liquid crystal layer; and a liquid crystal layer separation step of separating the formed liquid crystal layer from the liquid crystal alignment layer, in which the liquid crystal layer alignment step to the liquid crystal layer separation step are repeated to repeatedly prepare the liquid crystal layer.

An object of the invention is to provide a photo-alignment copolymer capable of improving upper layer coatability after layer formation, a binder composition, a binder layer, an optical laminate, and an image display device. A photo-alignment copolymer according to the embodiment of the invention has a repeating unit A including a photo-alignment group, a repeating unit B including a crosslinkable group which causes a crosslinking reaction by the action of at least one selected from the group consisting of light, heat, an acid, and a base, and a repeating unit C including a cleaving group which decomposes by the action of at least one selected from the group consisting of light, heat, an acid, and a base to produce a polar group, and the repeating unit C has the cleaving group on a side chain, and has a group of atoms which is provided on a side closer to a terminal than the cleaving group on the side chain to be able to unevenly distribute the photo-alignment copolymer on an air interface side.

Photo-alignment copolymer, binder composition, binder layer, optical laminate, and image display device

Provided is an optically anisotropic film exhibiting reverse wavelength dispersibility with excellent thickness-direction phase differences, a laminate, a circularly polarizing plate, and a display device. The optically anisotropic film of an embodiment of the present invention satisfies the following Requirements 1 to 4. Requirement 1: In a case of irradiation with P-polarized light and S-polarized light, which are linearly polarized light perpendicular to each other, from a direction inclined by 45&#xb0; from a normal direction of a film surface of the optically anisotropic film, an absorption intensity ratio in a case of irradiation with S-polarized light to an absorption intensity in a case of irradiation with P-polarized light is 1.02 or more in an absorption intensity at a wavelength having a largest absorption in a wavelength range of 700 to 900 nm. Requirement 2: Re(550)&#x3c;10 nm, Requirement 3: Re(800)&#x3c;10 nm. Requirement 4: Rth(450)/Rth(550)&#x3c;1.

Optically anisotropic film comprising an absorption intensity ratio of 1.02 or more, laminate, circularly polarizing plate, and display device

An object of the present invention is to provide a photo-alignable polymer which has excellent coating properties, is capable of suppressing film thickness unevenness, and has excellent upper layer coating properties and good liquid crystal alignment properties after being formed as a layer; a binder composition; a binder layer; an optical laminate; a method for producing an optical laminate; and an image display device. The photo-alignable polymer of an embodiment of the present invention is a photo-alignable polymer having a repeating unit A including a cleavage group capable of decomposing by an action of at least one selected from the group consisting of light, heat, an acid, and a base to generate a polar group, in which the repeating unit A has the cleavage group in a side chain, has a fluorine atom or a silicon atom on a side closer to a terminal than the cleavage group in the side chain, and the photo-alignable polymer satisfies Condition 1 or Condition 2 shown below. Condition 1: The photo-alignable polymer further has a repeating unit B including a photo-alignable group, in addition to the repeating unit A. Condition 2: The repeating unit A includes a photo-alignable group on a side closer to the main chain than the cleavage group in the side chain.

Photo-alignable polymer, binder composition, binder layer, optical laminate, method for producing optical laminate, and image display device

An object of the present invention is to provide a polymerizable liquid crystal composition which has excellent coating properties, is capable of suppressing film thickness unevenness, and has good coating properties for an upper layer coating liquid after being formed as an optically anisotropic layer, an anisotropic layer formed using the same; an optical laminate; a method for producing an optical laminate, and an image display device. The polymerizable liquid crystal composition of the embodiment of the present invention is a polymerizable liquid crystal composition containing a polymerizable liquid crystal compound, a polymerization initiator, and a compound having a monovalent specific group including a cleavage group capable of decomposing by an action of at least one selected from the group consisting of light, heat, an acid, and a base to generate a polar group, in which the specific group has a fluorine atom or a silicon atom on a side closer to a terminal than the cleavage group.

Polymerizable liquid crystal composition, optically anisotropic layer, optical laminate, method for producing optical laminate, and image display device

An object of the present invention is to provide a binder composition which is excellent in upper layer coatability after being formed as a binder layer and can improve liquid crystal aligning properties, a binder layer, an optical laminate, and an image display device. A binder composition according to the embodiment of the present invention is a binder composition containing: a binder; a polymerization initiator; a surfactant; and a photo-alignment agent, in which the surfactant and the photo-alignment agent include functional groups capable of hydrogen bonding with each other, and the functional group capable of hydrogen bonding included in any one of the surfactant or the photo-alignment agent is a proton-donating functional group, and the functional group included in the other of the surfactant or the photo-alignment agent is a proton-accepting functional group.

Binder composition, binder layer, optical laminate, and image display device

Assembly of the semiconductor device includes the following steps: (a) mounting a semiconductor chip on the bottom electrode; (b) mounting the top electrodeon the semiconductor chip; (c) forming a sealing bodymade of resin and provided with a convex portionso as to cover the semiconductor chip; and (d) exposing the electrode surfaceof the top electrodeon the top surface of the sealing bodyand exposing the electrode surfaceof the bottom electrodeon the back surface of the sealing body. In the step (d), at least one of the electrode surfaceand the electrode surfaceis exposed from the sealing bodyby irradiating at least one of the front surface and the back surface of the sealing bodywith the laser

Semiconductor device and method of manufacturing the same

The present invention provides an optical film including a light reflection layer, in which the light reflection layer is a layer in which alignment of liquid crystal molecules is immobilized, the liquid crystal molecule forms a helical structure in a film thickness direction of the light reflection layer, and a tilt angle of the liquid crystal molecule is 15&#xb0; to 55&#xb0;. The present invention also provides a manufacturing method of the optical film including curing a polymerizable liquid crystal composition including a liquid crystal compound and a chiral agent interposed between a support and another support. In the optical film according to the present invention, an absolute value of oblique retardation is smaller. In the liquid crystal display device including the optical film, front surface brightness is high and an oblique change in the shade is suppressed.

Optical film, liquid crystal display device, and manufacturing method of optical film

Provided are a brightness enhancement film including a &#x3bb;/4 plate, and a reflection polarizer, in which the reflection polarizer includes at least two light reflection layers formed by immobilizing a cholesteric liquid crystalline phase, one light reflection layer of the reflection layers is a layer formed of a polymerizable liquid crystal composition containing a rod-like liquid crystal compound, and the other light reflection layer is a layer formed of a polymerizable liquid crystal composition containing a disk-like liquid crystal compound, and an optical sheet member including the brightness enhancement film, and a liquid crystal display device including the optical sheet member. The brightness enhancement film of the present invention has high brightness and is able to suppress an oblique change in the shade at the time of being incorporated in a liquid crystal display device.

Brightness enhancement film, optical sheet member, and liquid crystal display device

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Minami-ashigara, Japan

Hideyuki Nishikawa