Zeon Corporation

Hitoshi Ooishi

Masashi Aimatsu

Hiroaki Shu

Manabu Tsuburaya

Mana Shimode

A phase difference plate including an optically anisotropic layer obtained by curing a composition (A) containing a polymerizable liquid crystal compound with reverse wavelength dispersion and a polymerizable monomer, wherein the polymerizable liquid crystal compound with reverse wavelength dispersion has a main chain mesogen and a side chain mesogen bonded to the main chain mesogen in the molecule thereof; the main chain mesogen and the side chain mesogen are oriented in different directions, whereby a birefringence &#x394;n of the optically anisotropic layer has reverse wavelength dispersion property; and retardations of a layer obtained by curing a composition (A0) in which the polymerizable monomer in the composition (A) is replaced by the polymerizable liquid crystal compound with reverse wavelength dispersion and retardations of the optically anisotropic layer satisfy specific relationship; and a circularly polarizing plate and a display device including the same.

Phase difference plate, circularly polarizing plate, and image display device

A multilayer film including: a first long-length substrate; and an optically anisotropic layer containing cured liquid crystal molecules, the optically anisotropic layer being directly disposed on a surface of the first substrate, wherein the surface of the first substrate has a surface tension of 35 to 45 mN/m and an orientation-regulation force generated by stretching, and the optically anisotropic layer has a slow axis along approximately the same direction as an orientation direction of the first substrate by the stretching; and an optical compensation sheet, a &#x3bb;/4 wave plate, a polarizing plate, a circularly polarizing plate, a liquid crystal display device, and an organic electroluminescent display device having the optically anisotropic layer, as well as production methods thereof.

Multilayer film, use thereof, and production method thereof

An antistatic hard coat film including: a substrate film formed of a thermoplastic resin containing a cycloolefin polymer; and an antistatic hard coat layer provided on the substrate film, the antistatic hard coat layer containing electroconductive metal oxide fine particles, wherein the antistatic hard coat layer has a surface resistance value of 1.0&#xd7;10&#x3a9;/sq. or more and 1.0&#xd7;10&#x3a9;/sq. or less, and the number of streaks each having a length of 20 cm or longer of the antistatic hard coat layer is 2 or less per area of 1,330 mm&#xd7;500 mm of the antistatic hard coat layer, and the production method thereof, as well as a polarizing plate, a touch panel, and a liquid crystal display device including the antistatic hard coat film.

Antistatic hard coat film, polarizing plate, touch panel, liquid crystal display device, and manufacturing method

An antistatic film including: a substrate film made of a thermoplastic resin containing a polymer including an alicyclic structure; and an antistatic layer provided on the substrate film, the layer containing electroconductive metal oxide particles, wherein the antistatic layer has a surface resistance of 1.0&#xd7;10&#x3a9;/sq. or more and 1.0&#xd7;10&#x3a9;/sq. or less, and the antistatic film has a haze value of 0.3% or less.

Growing community of inventors

Tokyo, Japan

Hitoshi Ooishi