Fukusaka
Kiyoshi Fukusaka, Fussa-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20130222741 | OPTICAL FILM, AND POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE USING SAME - The purpose of the present invention is to provide an optical film having a large phase difference value, small moisture-induced fluctuation in the phase difference value, small photoelastic coefficient and excellent bondability with a polarizer. The optical film includes a cellulose ester (A) which satisfy formulae (1) and (2) below and a vinyl-based polymer (B). A content ratio of the cellulose ester (A) and the vinyl-based polymer (B) is from 95:5 to 50:50 by mass, the vinyl-based polymer (B) is composed of a non-aromatic vinyl-based monomer having a solubility parameter of 17.5 (MPa | 08-29-2013 |
Kiyoshi Fukusaka, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20130335685 | RETARDATION FILM, POLARIZING PLATE, LIQUID CRYSTAL DISPLAY DEVICE, AND COMPOUND - The purpose of the present invention is to provide a retardation film which has high retardation developability, good mechanical strength and good durability. This retardation film contains a cellulose derivative and at least one compound represented by general formula (1), wherein each of R | 12-19-2013 |
Kiyoshi Fukusaka, Fussa-Shi, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20150338563 | RESIN COMPOSITION, TRIAZOLE COMPOUND, OPTICAL FILM, POLARIZING PLATE, OPTICAL LENS, CIRCULARLY POLARIZING PLATE AND IMAGE DISPLAY DEVICE - The present invention provides a resin composition capable of forming a film exhibiting a small humidity-dependent variation in optical values; a triazole compound to be incorporated into the resin composition; an optical film and an optical lens, each of which is prepared from the resin composition and exhibits a small humidity-dependent variation in optical values; and a polarizing plate, a circularly polarizing plate, and an image display device, each of which includes the optical film and exhibits excellent moisture resistance. The resin composition of the present invention contains a resin and a compound having a 5-membered or 6-membered aromatic hydrocarbon or heterocyclic ring, wherein the resin is a hygroscopic resin, the compound has at least three specific aromatic rings having a specific NICS value, and the specific aromatic rings are bonded to one another via a single bond or one or two atoms. | 11-26-2015 |