Fuji Photo Film Company, Limited

Fujifilm Corporation

Fuji Film Co., Ltd.

Fuji Shashin Film Kabushiki Kaisha

Masaki Okazaki

Akihiko Ikegawa

Tadashi Ikeda

Haruo Takei

Yuji Mihara

Seiiti Kubodera

Nobuhiko Uchino

Yoshio Inagaki

Takanori Hioki

Tadao Sugimoto

Nobuhito Masuda

Yoji Okazaki

Ken Kawata

Toshinao Ukai

Satoshi Nagaoka

Ichizo Toya

Tadashi Ogawa

Yukio Yasuda

Sumito Yamada

Junji Nishigaki

Jun Yamaguchi

Kiyohiko Yamamuro

Yuichi Ohashi

Hiroyuki Yamagami

Masayuki Kuramitsu

Fumitaka Terai

Hajime Makiuchi

Keisuke Shiba

Keiichi Adachi

Keizo Kimura

Tadao Shishido

Naoyuki Nishikawa

Minoru Yamada

Masayuki Negoro

Tsutomu Miyasaka

Shigeru Nagatomo

Osami Tanabe

Makoto Ishihara

Koh Kamada

Koji Matsuo

Mitsuyoshi Ichihashi

Osamu Takahashi

Fumiaki Shinozaki

Toru Harada

Toshiaki Aono

Nobutaka Fukagawa

Junichi Yamanouchi

Minoru Sakai

Nobuaki Inoue

Noriyuki Inoue

Tetsuya Watanabe

Mitsugu Tanaka

Akinori Harada

Takeshi Hirose

Hideyuki Nishikawa

Toshihide Ezoe

Shigeki Yokoyama

Naoto Ohshima

Hideo Ikeda

Mikio Ihama

Seiichi Yamamoto

Seiji Yamashita

Shigeki Uehira

Toshiki Fujiwara

Tomokazu Yasuda

Yutaka Nozoe

Shinsaku Fujita

Tadashi Omatsu

Tadayoshi Kokubo

Nobuo Sakai

Yoshiharu Okino

Kazuki Yamazaki

Yasuo Aotsuka

Naoyasu Deguchi

Mamoru Sakurazawa

Kiyoshi Kawai

Senzo Sasaoka

Masao Yabe

Tetsuo Yoshida

Nobuharu Nozaki

Munehisa Fujita

Yoichi Suga

Makoto Umemoto

Kimitaka Kameoka

Hideki Maeta

Tadaaki Tani

Tsutomu Arai

Hiroaki Sata

Koji Kamiyama

Nobuo Hiratsuka

Satoshi Tanaka

Yoshinori Suzuki

Tetsuo Kawano

Michitaka Matsuumi

Takayasu Yasuda

Hiromoto Haruta

Kozi Kamiyama

Yasuhito Momoki

Shigeo Koizumi

Junji Miyata

A compound having a triptycene moiety represented by formula (1) is disclosed. In the formula, Aand Arepresent &#x2014;S&#x2014;, &#x2014;O&#x2014;, &#x2014;CO&#x2014;, or &#x2014;NR&#x2014;; Rand Rrepresent a substituent; n is an integer from 0 to 2; Rand Ran electron-withdrawing group having a Hammett's substituent constant &#x3c3;of equal to or more than 0; L, L, Land Lrepresent a single bond or a divalent group selected from the group consisting of &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;S(&#x2550;O)&#x2014;, &#x2014;CO&#x2014;, &#x2014;OCO&#x2014;, &#x2014;COO&#x2014;, &#x2014;OCOO&#x2014; and &#x2014;NR&#x2014; where Rrepresents a Calkyl group or hydrogen atom, &#x2014;CH&#x2014; and any combinations thereof; Zand Zrepresent a divalent 5- or 6-membered cyclic linking group; Rand Rrepresent a hydrogen atom or substituted or non-substituted alkyl group; and m1 and m2 each respectively represent an integer of from 0 to 2. 

Compound having a triptycene moiety

A method of producing a cellulose derivative film, the method comprising: forming a film with a solvent cast method from a dope including a cellulose derivative satisfying following conditions (a) and (b): (a) at least one among three hydroxyl groups included in a glucose unit of cellulose is substituted by a substituent of which a polarizability anisotropy &#x394;&#x3b1; represented as following Expression (1) is 2.5&#xd7;10cmor higher: Expression (1): &#x394;&#x3b1;=&#x3b1;x&#x2212;(&#x3b1;y+&#x3b1;z)/2, wherein &#x3b1;x, &#x3b1;y and &#x3b1;z is as defined in the specification; and (b) when a substitution degree by a substituent of which &#x394;&#x3b1; is 2.5&#xd7;10cmor higher is P, and a substitution degree by a substituent of which &#x394;&#x3b1; is lower than 2.5&#xd7;10cmis P, the Pand Psatisfy following Expressions (3) and (4): Expression (3): 2P+P&#x3e;3.0; and Expression (4): P&#x3e;0.2.

Cellulose acylate film, method of producing the same, cellulose derivative film, optically compensatory film using the same, optically-compensatory film incorporating polarizing plate, polarizing plate and liquid crystal display device

An optical film, which has been subjected to an orientation treatment, containing a low-molecular weight compound, in which a birefringence &#x394;n(550 nm) is larger than zero (0) in an orientation direction, and the optical film satisfies the following expressions (1) and (2); and a phase difference plate, a polarizing plate and a liquid crystal display using the same:0.5&#x3c;&#x394;(450 nm)/&#x394;(550 nm)&#x3c;1.0; and&#x2003;&#x2003;Expression (1)1.05&#x3c;&#x394;(630 nm)/&#x394;(550 nm)&#x3c;1.5.&#x2003;&#x2003;Expression (2)

Optical film and phase difference plate, and liquid crystal compound

The present invention provides an optical information recording medium including a substrate; and a recording layer provided onto the substrate, to which information can be recorded and from which the information can be replayed by irradiating the medium with a laser having a short wavelength, specifically a highly versatile semiconductor laser having a wavelength near 405 nm, wherein the recording layer includes a specific compound, and the recording medium has superior recording properties. An information recording method capable of recording information at high density using a laser having a short wavelength is also provided.

Optical information recording medium and method for recording information

An anti-reflection film comprises a low refractive index layer provided on one surface of a transparent support. The low refractive index layer has a refractive index of not higher than 1.45. The low refractive index layer has a surface average reflectance of not higher than 1% within the visible region of 400 to 800 nm. According to the first embodiment of the present invention, an infrared absorbing layer is provided between the transparent support and the low refractive index layer. According to the second embodiment of the present invention, an infrared absorbing layer is provided on the other surface of the transparent support. The infrared absorbing layer contains an infrared absorbing dye. The infrared absorbing layer decreases a transmittance of the film to not higher than 40% at a wavelength within the infrared region of 800 to 1,100 nm. Plasma display panels using the anti-reflection films are also disclosed.

Anti-reflection film and plasma display panel

An optical compensatory sheet is composed of a transparent support, an orientation layer and an optically anisotropic layer. The orientation layer is made of a polymer, and the optically anisotropic layer is made of a liquid crystalline compound. The polymer of the orientation layer is chemically bonded to the liquid crystalline compound of the optically anisotropic layer via the interface of these layers. An element composed of a transparent support and a polymer layer of a polyvinyl alcohol at least one hydroxyl group of which is substituted with a group having a vinyl moiety, an oxiranyl moiety or an aziridinyl moiety, is useful for the preparation of the optical compensatory sheet.

Optical compensatory sheet

Disclosed is an optical compensatory sheet which comprises a layer in the condition of a mono-domain of discotic nematic phase or a monoaxial columnar phase. Further, a process for preparation of the optical compensatory sheet and a liquid crystal display provided with the optical compensatory sheet are disclosed.

Optical compensatory sheet and process for preparation of the same and

A thin film comprising a discotic compound having diacetylene groups at the side chain moiety thereof, and a compound represented by formula (1): ##STR1## wherein R.sup.2 represents an alkyl group or an aryl group.

Compound and thin film composed of the discotic compound

An optical compensatory sheet is basically composed of a transparent support and an optically anisotropic layer provided thereon. The optically anisotropic layer is a layer of polymer having discotic units formed by copolymerization of a compound having at least two functional groups such as isocyanato, isothiocyanato or oxiranyl and a compound having at least two nucleophilic groups, at least one of the compounds being a discotic compound; or polymerization of a discotic compound having at least one functional group and at least one nucleophilic group. A process for the preparation of the optical compensatory sheet, a liquid crystal display and a color liquid crystal display having the optical compensatory sheet are also disclosed.

Optical compensatory sheet, process for the preparation of the same and

Disclosed are a liquid crystal display provided with an optical compensatory sheet comprising an optically anisotropic layer which has negative birefringence and comprises a polymer having a discotic structure in its molecule, and an optical compensatory sheet which comprises a transparent support, an orientation layer provided thereon and the optically anisotropic layer provided on the orientation layer. Further, a process for preparation of the optical compensatory sheet and a liquid crystal composition which is useful as material for preparing the optical compensatory sheet are also disclosed.

Liquid crystal display and optical compensatory sheet and process for

An optical compensation sheet for improving the visual characteristics of a liquid crystal display device is disclosed with a liquid crystal display device using such a sheet. The optical compensation sheet contains at least one photopolymerization substance that is sterically or structurally isomerized by light, and has negative uniaxiality, with the optic axis of the sheet intersecting the surface of the sheet. Application of this optical compensation sheet to a TN liquid crystal display device allows it the visual angle property to be improved, thereby providing a high definition liquid crystal display device.

Optical compensation sheet and its fabrication as well as liquid crystal

Disclosed is an optical compensatory sheet comprising a transparent support and an optically anisotropic layer provided thereon and having an optic axis inclined at 20 to 34 degrees from the normal of the sheet, wherein the optically anisotropic layer is formed from a discotic compound capable of forming a discotic nematic phase and an organic compound which has compatibility with the discotic compound and is capable of lowering a transition temperature of the discotic nematic phase by at least 10.degree. C. Further, a liquid crystal display provided with the optical compensatory sheet is disclosed.

Optical compensatory sheet and liquid crystal display

Disclosed is a silver halide photographic material and forming an image using the same, containing a hydrazine derivative in the emulsion layer(s) or in other hydrophilic colloid layer(s). At least one silver halide emulsion comprises silver halide grains containing (a) from 1.times.10.sup.-8 to 1.times.10.sup.-6 mol, per mol of silver, of an iridium compound, and (b) from 1.times.10.sup.-8 to 1.times.10.sup.-6 mol, per mol of silver, of a rhodium compound or from 1.times.10.sup.-9 to 1.times.10.sup.-5 mol, per mol of silver, of a rhenium compound, ruthenium compound or osmium compound, and having a silver chloride content of 50 mol % or more, the emulsion having been color-sensitized with a sensitizing dye of the following general formulae (1), (2) or (3): ##STR1## The material may be processed with a stable developer to give a hard image having few 'black peppers'.

Silver halide photographic material

Disclosed herein is a silver halide color photographic light-sensitive material which has a specific photographic sensitivity of 320 or more, and which comprises a support layer and silver halide emulsion layers formed thereon. The material has a film thickness of 22 .mu.m or less, measured from the light-sensitive layer closest to the support layer up to the surface of the material facing away from the support layer. At least one of the silver halide emulsion layers contains a spectral sensitizer represented by the following formula (I): ##STR1## In the formula, R.sup.1 and R.sup.2 are alkyl groups, at least one of which at least one carbon atom bonds together with at least three atoms other than hydrogen atoms, X is an anion, p is 0 or 1, k is 0, 1 or 2, L.sub.1 and L.sub.2 are a methyne group or a substituted methyne group, Z.sup.1 and Z.sup.2 are groups of atoms numerous enough to form a 5- or 6-membered nitrogen-containing heterocyclic ring.

Silver halide color photographic light-sensitive material

Disclosed is a novel silver halide photographic material comprising a support having thereon (a) a layer containing at least one methine compound represented by the following general formula (I) and (b) a layer containing at least one methine compound represented by the following general formula (II), (III), (IV) or (V): ##STR1## wherein the variables in the formulas are defined in the detailed description. In a preferred embodiment, the silver halide photographic material comprises at least one methine compound represented by general formula (I) and at least one methine compound represented by general formula (II) or (V) in the same layer.

Growing community of inventors

Kanagawa, Japan

Masaki Okazaki