Nitto-denko Corporation

Kuniaki Ishibashi

Tomotake Nashiki

Hideo Sugawara

Akira Hamada

Yoshihisa Ito

Hiroyuki Yoshimi

Yoshimasa Sakata

Tomonori Noguchi

Kenkichi Yagura

Motoki Haishi

Minoru Miyatake

Takashi Yamaoka

Masao Abe

Akira Ohtani

Masakuni Fujita

Tsuyoshi Chiba

Akiko Sugino

Taku Yamada

Daisuke Kajihara

Masayuki Satake

Kazuki Tsuchimoto

Masahiro Yaegashi

Yuuki Nakano

Mitsuru Suzuki

Tetsurou Ikeda

Reiko Akari

Mizue Yamasaki

Akirai Ohtani

An input display device includes a liquid crystal layer containing liquid crystal molecules that are homogeneously aligned in an absence of an electric field, a first polarizer disposed on a viewing side of the liquid crystal layer, a capacitive sensor disposed between the first polarizer and the liquid crystal layer, and an antistatic layer disposed between the first polarizer and the capacitive sensor, the antistatic layer being attached to the first polarizer. The capacitive sensor has a transparent substrate, a transparent electrode pattern formed on the transparent substrate, and a first adhesive layer formed on the transparent substrate to embed the transparent electrode pattern, and the antistatic layer has a surface resistance value of 1.0&#xd7;10to 1.0&#xd7;10&#x3a9;/&#x25a1;.

Input display device

A method of continuously subjecting an elongated substrate to vacuum film formation is disclosed. The method comprises the steps of: feeding a first substrate from a first roll chamber in a first direction from the first roll chamber toward a second roll chamber; degassing the first substrate; forming a film of a second material on the first substrate, in a second film formation chamber; and rolling up the first substrate in the second roll chamber, thereby producing the first substrate, and comprises similar steps to produce a second substrate. In advance of producing the first substrate with the second material film, the first cathode electrode of the first film formation chamber is removed from the first film formation chamber, and, in advance of producing the second substrate with the first material film, the second cathode electrode of the second film formation chamber is removed from the second film formation chamber.

Vacuum film formation method and laminate obtained by the method

A method for producing a laminated film includes continuous roll to roll production steps of: providing a first long polymer film and having an absorption axis in the transverse direction; providing a second long polymer film and having a slow axis in the machine direction (MD direction); and laminating the polarizing film on the retardation film by adhering the polarizing film to the retardation film with an adhesive layer so that an MD direction of the first long polymer film corresponds to the MD direction of the second long polymer film.

Polarizing film, laminated film, and liquid crystal display

There is provided a transparent conductive film which comprises: a film substrate; a plurality of transparent conductor patterns formed on the film substrate; and a pressure-sensitive adhesive layer wherein the transparent conductor patterns are embedded. The plurality of transparent conductor patterns respectively have a two-layer structure wherein a first indium tin oxide layer and a second indium tin oxide layer are laminated on the film substrate in this order, and the first indium tin oxide layer has a greater tin oxide content than the second indium tin oxide layer does. The first indium tin oxide layer has a smaller thickness than the second indium tin oxide layer does.

Transparent conductive film

The film formation method comprises the steps of: unrolling and feeding an elongated substrate wound in a roll form from a first roll chamber in a direction from the first roll chamber toward a second roll chamber, using a first surface as a surface for film formation; degassing the fed substrate; forming a first material film on the first surface of the degassed substrate in a first film formation chamber; forming a second material film on the first material film in a second film formation chamber; taking up the substrate in a roll form in the second roll chamber, the substrate having the material films formed thereon; unrolling and feeding the taken up substrate from the first roll chamber in the direction, using a second surface opposite the first surface of the substrate as a surface for film formation; and repeating all the above treatments.

Method for double-side vacuum film formation and laminate obtainable by the method

The film formation method comprises the steps of: unrolling and feeding an elongated substrate wound in a roll form from a first roll chamber in a first direction from the first roll chamber toward a second roll chamber, using a first surface as a surface for film formation; degassing the substrate fed in the first direction; forming a second material film on the first surface of the substrate in a second film formation chamber; taking up the substrate in a roll form in the second roll chamber, the substrate having the second material film formed thereon; unrolling and feeding the substrate from the second roll chamber in a second direction from the second roll chamber toward the first roll chamber; forming a first material film on the second material film in a first film formation chamber; taking up the substrate in a roll form in the first roll chamber.

The film formation method comprises the steps of: unrolling and feeding an elongated substrate wound in a roll form from a first roll chamber in a first direction from the first roll chamber toward a second roll chamber; degassing the fed substrate; forming a first material film on a first surface in a first film formation chamber; guiding the substrate having the first material film formed thereon to a second film formation chamber in a second direction from the second roll chamber toward the first roll chamber; forming, in the second film formation chamber, a second material film on a second surface opposite the first surface of the substrate when it is being guided in the second direction; taking up, in a third roll chamber provided between the first roll chamber and the second roll chamber, the substrate in a roll state.

A method of continuously subjecting an elongated substrate to vacuum film formation is disclosed. The method comprises the steps of: feeding a first substrate from a first roll chamber in a first direction from the first chamber toward a second roll chamber; degassing the first substrate; forming a film of a second material on the first substrate, in a second film formation chamber; and rolling up the first substrate in the second roll chamber, thereby producing the first substrate, and further comprises similar steps to produce a second substrate. In advance of producing the first substrate with the second material film, the first cathode electrode of the first film formation chamber is removed from the first film formation chamber, and, in advance of producing the second substrate with the first material film, the second cathode electrode of the second film formation chamber is removed from the second film formation chamber.

This invention relates to a transmissive liquid crystal display including a light source (BL), a reflective linearly-polarizing layer (Pr), a birefringent layer (A) having specific optical properties and specific retardation properties, a light source-side absorptive linearly-polarizing layer (P), a liquid crystal cell (LC), and a viewer-side linearly-polarizing layer (P) which are arranged in this order. In the transmissive liquid crystal display of the invention, light leakage is suppressed in oblique directions so that black brightness can be reduced. A reduction in contrast in the normal direction can also be suppressed, which is caused by the distribution of light to the normal direction.

Liquid crystal display, laminated polarizing plate and polarized light source device

A film sensor includes a polarizing film, an antistatic layer and a capacitive sensor that are laminated in this order, the capacitive sensor having a transparent film, a transparent electrode pattern formed on one side of the transparent film, and an adhesive layer formed on the one side of the transparent film to embed the transparent electrode pattern. The transparent film is disposed between the antistatic layer and the transparent electrode pattern. The antistatic layer has a surface resistance value of 1.0&#xd7;10to 1.0&#xd7;10&#x3a9;/&#x25a1;.

Film sensor

A transparent conductive film comprises: a film substrate having two main surfaces; and a transparent conductor layer formed on one main surface of the film substrate. The transparent conductor layer is composed of three layers in which a first indium tin oxide layer, a second indium tin oxide layer, and a third indium tin oxide layer are laminated in this order from the film substrate side. The first indium tin oxide layer has a smaller tin oxide content than the second indium tin oxide layer has. The third indium tin oxide layer has a smaller tin oxide content than the second indium tin oxide layer has.

A transparent conductive film which comprises: a transparent adhesive layer; a first polycycloolefin film laminated on one surface of the transparent adhesive layer; a second polycycloolefin film laminated on the other surface of the transparent adhesive layer; a plurality of first transparent electrode patterns formed on the first polycycloolefin film; and a plurality of second transparent electrode patterns formed on the second polycycloolefin film. The transparent conductive film shows little color phase irregularity when observed from any direction.

A polarizing plate of the present invention comprises a polarizer; an adhesive layer; and a transparent protective film bonded to at least one side of the polarizer with the adhesive layer interposed therebetween, wherein the adhesive layer is formed from an active energy ray curing adhesive containing at least one curable component, and the adhesive layer has a glass transition temperature (Tg) of 60&#xb0; C. or more, and a thickness of 0.01 &#x3bc;m an to 5 &#x3bc;m. The polarizing plate has sufficient durability in a severe environment at high temperature and high humidity.

Growing community of inventors

Osaka, Japan

Kuniaki Ishibashi