Asahi Glass Company, Limited

Matsushita Electric Industrial Co., Ltd.

Takeomi Miyako

Ken Moriwaki

Hiroshi Wachi

Hiroshi Watanabe

Fumiko Kawasato

Hirotoshi Terui

Shigemi Kumamoto

Takashi Okada

Koji Sasaki

To provide an optical film wherein deterioration of a diimonium compound in an adhesive layer is prevented, and a process for its production. An optical film comprising a base film and an adhesive layer which is formed on the base film and has a massive material dispersed in an adhesive, wherein the massive material contains a diimonium compound represented by the following formula (1) and has a melting point of at least 200&#xb0; C.: wherein Rto Rrepresent each independently an unsubstituted or substituted, same or different, Caliphatic hydrocarbon group, provided that from 4.9 to 8 groups among Rto Rare a Caliphatic hydrocarbon group (in which some of hydrogen atoms may be substituted by halogen atoms), and Xrepresents (RSO)Cwherein Rrepresents a Caliphatic hydrocarbon group which is unsubstituted or substituted by a halogen atom.

Optical film and process for its production

A composition for an optical film comprising a stabilized cyanine dye and a quencher compound, wherein the stabilized cyanine dye comprises a cation and a quencher anion, and the cation is selected from the group consisting of compounds of the following formulae (I) to (III): wherein each of rings A and A' which are independent of each other, is a benzene ring, a naphthalene ring or a pyridine ring, each of Rand Rwhich are independent of each other, is a halogen atom, a nitro group, a cyano group, a Caryl group, a Calkyl group or a Calkoxy group, each of R, Rand Rwhich are independent of one another, is a hydrogen atom, a halogen atom, a cyano group, a Caryl group, a diphenylamino group or a Calkyl group, each of X and X&#x2032; which are independent of each other, is an oxygen atom, a sulfur atom, a selenium atom, a propan-2,2-diyl group, a butane-2,2-diyl group, a Ccycloalkane-1,1-diyl group, &#x2014;NH&#x2014; or &#x2014;NY&#x2014;, each of Y, Y&#x2032; and Ywhich are independent of one another, is a Corganic group, and each of r and r&#x2032; which are independent of each other, is an integer of from 0 to 2.

Composition for optical film, and optical film

An impact-resistant film for a flat display panel, which is an impact-resistant film to be bonded to a front glass of a flat display panel main body and which comprises a first layer on the front glass side of the flat display panel, made of a transparent thermosetting resin, and a second layer on the viewer's side of the first layer, made of a transparent synthetic resin having a shear modulus larger than the first layer.

Impact-resistant film for flat display panel, and flat display panel

An impact-resistance film which is bondable to a front glass of a flat display panel main body that includes a first layer on the front glass side of the flat display panel that is made of a transparent synthetic resin having a shear modulus of from 1&#xd7;10Pa to 1&#xd7;10Pa. The film includes a second layer on the viewer's side of the first layer that is made of a transparent synthetic resin having a shear modulus of at least 1&#xd7;10Pa and includes a third layer on the viewer's side of the second layer that is made of a transparent synthetic resin having a shear modulus of at least 1&#xd7;10Pa and less than 1&#xd7;10Pa.

An optical film which comprises a color tone correcting layer (A) containing as the main component a thermoplastic resin which is soluble in a solvent and which has a glass transition temperature of from 120 to 180&#xb0; C., and containing a colorant which has a color tone correcting property, and a transparent resin layer (B) having a self-healing property and an ultraviolet ray absorption property, present on the viewer's side of the color tone correcting layer (A).

Optical film

A flat display panel comprising a flat display panel main body, and a front protective plate which comprises an antireflection layer, a translucent electrically conductive layer, containing a metal having an electromagnetic wave shielding property and a near infrared ray shielding property, a highly rigid transparent substrate made of a tempered glass or a semi-tempered glass and an adhesive layer laminated in this order, bonded to the viewer's side surface of the flat display panel main body by means of the adhesive layer.

Flat display panel with a front protection plate

An optical film having a layer made of a transparent resin containing an anthraquinone type colorant and a diimmonium type colorant.

Growing community of inventors

Chiba, Japan

Takeomi Miyako