Nitto-denko Corporation

Panasonic Corporation

Panasonic Intellectual Property Management Co., Ltd.

Matsushita Electric Industrial Co., Ltd.

Ube Industries, Inc.

Shusaku Goto

Minoru Miyatake

Takeharu Kitagawa

Takashi Kamijo

Tomohiro Mori

Takuya Nakazono

Masayuki Satake

Yuusuke Toyama

Atsushi Yasui

Tomoyuki Kimura

Satoru Kunikata

Kentaro Yoshida

Daisuke Ogomi

Akinori Izaki

Shoichiro Watanabe

Takaaki Ishii

Yuuki Nakano

Kentaro Ikeshima

Nobuyuki Haida

Osamu Kaneko

Kaoru Inoue

Koji Abe

Takashi Shimizu

Masaru Takagi

Toshikazu Hamamoto

Masaharu Miyahisa

Akira Ueki

Masahiro Yaegashi

Tsutomu Nishioka

Masakuni Fujita

Sumihito Ishida

Hideyuki Kumakiri

Yuki Nakano

Toyoji Sugimoto

Yusuke Iwamatsu

Yoshiki Ohsawa

Takeshi Kasamatsu

Yui Takahashi

Hideharu Takezawa

Katsunori Takada

Yoshitsugu Kitamura

Toshitsugu Hosokawa

Takehito Fuchida

Kenichi Okada

Hirofumi Katami

Shinobu Nagano

Kunio Tsuruta

Taiki Shimokuri

Hiroaki Sawada

Kengo Miyamoto

Toshitaka Takahashi

Kentarou Yoshida

Seiichi Kato

Takeshi Saitou

Yousuke Makihata

Masashi Shinagawa

Akira Yoshitake

Kunihiro Inui

Muniridin Yasen

Arata Fujihara

Hitoshi Kitagishi

Akihiro Kikuchi

Yoshifumi Yamamoto

Yasuhisa Ihira

Yuji Miyaki

Akira Terasawa

Daigoro Nakagawa

Yasunori Goto

Koji c/o Ube Chemical Factory Abe

Akira c/o Ube Chemical Factory Ueki

Toshikazu c/o Ube Chemical Factory Hamamoto

The present invention provides a radiation transmission-suppressing film that can protect an imaging apparatus from a radiation without adversely affecting the imaging performance of the imaging apparatus. The radiation transmission-suppressing film of the present invention includes a polyvinyl alcohol-based resin film containing boric acid, wherein a product of a boric acid content (wt %) in the polyvinyl alcohol-based resin film and a thickness (μm) of the polyvinyl alcohol-based resin film is 500 or more.

Radiation transmission preventing film, and radiation transmission preventing filter and imaging device each utilizing said radiation transmission preventing film

An object of the present invention is to provide a polarizer having a neutralized hue without any increase in transmittance. A polarizer of the present invention having a transmittance parameter represented by the equation (1) of 0.8 or more and a hue parameter represented by the equation (2) of 5 or less:Transmittance parameter=&#x2003;&#x2003;(1)in the equation (1), Trepresents a parallel transmittance at a wavelength of 420 nm and Trepresents a parallel transmittance at a wavelength of 550 nm;Hue parameter=()&#x2003;&#x2003;(2)in the equation (2), a represents a parallel hue value 'a' and b represents a parallel hue value 'b'.

Polarizer, method of producing polarizer, and optical laminate including the polarizer

A load controller according to an embodiment includes a switching unit, a power source unit, and a control unit. The switching unit controls supply of power from an AC power supply to a load by selectively connecting or disconnecting the load to/from the AC power supply. The power source unit converts AC power supplied from the AC power supply into DC power. The control unit operates with the DC power supplied from the power source unit and controls the switching unit. The power source unit includes a constant-voltage source and a constant-current source. The constant-voltage source keeps a DC voltage to be output to the control unit a constant voltage. The constant-current source keeps a DC current to be supplied via the constant-voltage source to the control unit a constant current.

Load controller

There is provided a polarizing plate with a retardation layer that can achieve an image display apparatus having excellent durability and excellent weatherability, and having an excellent hue. A polarizing plate with a retardation layer according to an embodiment of the present invention includes in this order: a polarizing plate including a protective layer and a polarizer; a retardation layer; and a pressure-sensitive adhesive layer. The protective layer has a light transmittance at a wavelength of 380 nm of 10% or less. The polarizing plate has a light transmittance at a wavelength of 380 nm of 5% or less. The pressure-sensitive adhesive layer has a light transmittance at a wavelength of 405 nm of 5% or less. The polarizing plate with a retardation layer has a light transmittance at a wavelength of 405 nm of 3% or less.

Polarizing plate with retardation layer and image display device

Provided is a circuit module having less noise, and an inverter using the same. The circuit moduleis provided with a circuit part, an input terminal part, an output terminal part, and a support. The circuit partincludes a conversion circuit, and a switch circuit. The output terminal partincludes a first output terminaland a second output terminalthat are respectively electrically connected to a pair of output points of the circuit part. The arrangement of the output terminal parton one surface of the supportis such that the first output terminal and the second output terminal are positioned around the circuit parton the same side with respect to the circuit part, or the first output terminal and the second output terminal are adjacent to one another around the circuit part

Circuit module having less noise and inverter device using same

There is provided a polarizer having a non-polarization portion that can achieve the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus, the polarizer being excellent in dimensional stability and external appearance of the non-polarization portion. A polarizer according to an embodiment of the present invention includes a resin film containing a dichromatic substance, wherein: the polarizer has a non-polarization portion at a predetermined position; and the non-polarization portion includes a thin-walled portion thinner than another portion of the resin film.

Polarizer

A method of producing a roll of an optical film laminate strip includes the steps of: forming an optical film laminate which includes an optical film having a continuous web of polarizing film, and a resin film bonded to the optical film; creating a reference mark to extend across the optical film laminate in a width direction thereof; performing a defect inspection for detecting a defect existing in the optical film, and, when a defect is detected, recording a position of the defect in the form of a laminate widthwise position and a laminate lengthwise position as measured from the reference mark; cutting the optical film laminate along a direction parallel to the length direction to form a plurality of continuous webs of laminate strips; based on the widthwise position of the defect detected by the defect inspection, determining which of the cut laminate strips has the defect, and, with respect to a specific laminate strip which is determined to have the defect, storing information about the defect together with identification information for identifying the specific laminate strip; and winding each of the laminate strips into a roll.

Method of producing roll of laminate strip with polarizing film

There is provided a polarizing film that is excellent in optical characteristics, and is excellent in durability and water resistance. A polarizing film according to an embodiment of the present invention includes a polyvinyl alcohol-based resin film having a thickness of 10 &#x3bc;m or less. The polyvinyl alcohol-based resin film has an iodine concentration of 6.0 wt % or less; and the polarizing film has a cross-linking index defined by the below-indicated equation of from 100 to 200: (Cross-linking index)=(Iodine concentration in film)&#xd7;(Boric acid concentration in film).

Polyvinyl alcohol based polarizing film containing iodine and boric acid

An aqueous dispersion-type pressure-sensitive adhesive composition for an optical film includes a emulsion particles of a core-shell structure, wherein the emulsion particles include a (meth)acryl-based copolymer (A) having a glass transition temperature of &#x2212;55&#xb0; C. to 0&#xb0; C. and a (meth)acryl-based copolymer (B) having a glass transition temperature of 0&#xb0; C. to 180&#xb0; C., in a single emulsion particle, one of the copolymers (A) and (B) forms a core layer, and another forms a shell layer, at least one of the copolymers (A) and (B) contains a carboxyl group-containing monomer, a difference of the glass transition temperatures between the copolymers (A) and (B) is 50&#xb0; C. or more, and a ratio (A)/(B) (by weight) is in the range of 50/50 to 90/10.

Pressure-sensitive adhesive composition for optical film, pressure-sensitive adhesive layer for optical film, pressure-sensitive adhesive optical film, and image display device

There is provided a polarizer that can realize multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus. A polarizer according to an embodiment of the present invention includes a resin film containing iodine, wherein the polarizer has formed therein a transparent portion having a transmittance higher than that of another portion, and when the polarizer is placed under an environment having a temperature of 60&#xb0; C. and a humidity of 90% for 2 hours, a transmittance change (&#x394;Ts) of the transparent portion is 10% or less.

Polarizer, polarizing plate, and image display apparatus

A pressure-sensitive adhesive layer-attached polarizing film of the invention includes: a polarizing film; and a pressure-sensitive adhesive layer provided on the polarizing film, wherein the polarizing film includes a polarizer and a transparent protective film provided on only one side of the polarizer, the pressure-sensitive adhesive layer is provided on a side of the polarizer where the transparent protective film is absent, and the pressure-sensitive adhesive layer is made of a pressure-sensitive adhesive composition containing a (meth)acryl-based polymer (A) and an alkali metal salt (B). The pressure-sensitive adhesive layer-attached polarizing film has a pressure-sensitive adhesive layer with an antistatic function and satisfactory durability and whose optical properties are less likely to be degraded.

Pressure-sensitive adhesive layer-attached polarizing film and image display

A method of producing a thin polarizing film having an excellent polarization degree includes, forming a polyvinyl alcohol-based resin layer on a thermoplastic resin substrate to prepare a laminate, subjecting the laminate to underwater stretching in an aqueous solution of boric acid and stretching the laminate while drying the laminate after the underwater stretching.

Method of producing thin polarizing film involving in-air stretching, underwater stretching, and stretching while drying

There is provided a polarizing plate with a retardation layer being extremely thin and having excellent durability. A polarizing plate with a retardation layer includes a polarizer; a protective layer bonded onto one side of the polarizer through intermediation of a first adhesive layer; and a retardation layer bonded onto another side of the polarizer through intermediation of a second adhesive layer. The polarizer has a thickness of from 2 &#x3bc;m to 12 &#x3bc;m, a boric acid content of 18 wt % or more, an iodine content of 2.1 wt % or more, a single layer transmittance of 44.2% or more, a polarization degree of 98% or more, and an orientation function of 0.35 or more. The retardation layer has a thickness of 50 &#x3bc;m or less and a birefringence &#x394;nxy of 0.0025 or more. The first and second adhesive layer each has a thickness of 2 &#x3bc;m or less.

Polarizing plate with phase-difference layer and image display device

A third power supply circuit subjects a reference voltage to DC-DC conversion to generate a power supply voltage common to a second driver circuit for driving a second switching device and a fourth driver circuit for driving a fourth switching device. Wirings from a substrate on which the third power supply circuit is provided to a substrate on which the second driver circuit and the fourth driver circuit are provided are used by the third power supply circuit to supply the power supply voltage commonly to the second driver circuit and the fourth driver circuit. A first impedance device, a second impedance device, a third impedance device, and a fourth impedance device are provided in a substrate on which the second driver circuit and the fourth driver circuit are provided.

Power converter

Provided is a laminate comprising a thermoplastic resin substrate and a polyvinyl alcohol based resin layer formed on the thermoplastic resin substrate, being used to form a polarizing film of the polyvinyl alcohol based resin layer treated with a post-process comprising at least a dyeing step of dyeing the polyvinyl alcohol based resin layer with a dichroic material, the post-process being performed after the polyvinyl alcohol based resin layer formed on the thermoplastic resin substrate is stretched together with the thermoplastic resin substrate, wherein the polyvinyl alcohol based resin layer comprises a polyvinyl alcohol based resin and a halide.

Laminate, stretched laminate, manufacturing method of stretched laminate, manufacturing method of optical film laminate having polarizing film using the same, and polarizing film

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Ibaraki, Japan

Shusaku Goto