Fujifilm Corporation

Naozumi Shiraiwa

Naoyuki Morooka

Hiroshi Sato

Nobutaka Fukagawa

Keita Takahashi

Hiroshi Matsuyama

Masaki Noro

Hiroshi Inada

Taiji Katsumata

Yasukazu Kuwayama

Aiko Yoshida

Makoto Ishiguro

Takafumi Nakayama

Yoshiaki Hisakado

Takahiro Ohno

Takayasu Nagai

Yingjie Xu

Hiroyuki Suzuki

Kiyoshi Takeuchi

Daisuke Sasaki

Daiki Wakizaka

Yu Naito

Masataka Yoshizawa

Masahiro Takata

Miho Asahi

Yuuta Fujino

Hiroyuki Hagio

Yoshitaka Maeda

Hiroaki Nakatsugawa

Masanori Fujiwara

Masauki Harada

The present invention provides a resin composition suitable for producing a diffractive optical element, the resin composition including an indium tin oxide particle and a near-ultraviolet light-absorbing organic compound having a maximum value of an absorbance at 340 nm to 400 nm in an absorption spectrum in a wavelength region of 300 nm to 780 nm and exhibiting substantially no light absorption at a wavelength of 410 to 800 nm.

Resin composition, cured product, diffractive optical element, and multilayer diffractive optical element

A curable resin composition for a lens, including a coloring agent A having a maximal absorption at a wavelength of 520 to 620 nm, in which a wavelength dispersion WD of a cured product of the composition, which is calculated by the following expression (X), is 2.0×10or more; a cured product formed of the curable resin composition for a lens; a diffractive optical element; and a multilayer diffractive optical element.WD=((1129))/(1129−656)  Expression (X)In the expression, nC represents a refractive index at a wavelength of 656 nm and n(1129) represents a refractive index at a wavelength of 1129 nm.

Curable resin composition for lens, cured product, diffractive optical element, and multilayer diffractive optical element

According to the present invention, a lens adhesive including a compound represented by General Formula 1 is provided.Pol-Sp-L-Ar-L-Sp-Pol&#x2003;&#x2003;(General Formula 1) In the formula, Ar is an aromatic ring group represented by General Formula 2-2 and the like.  In the formula, Zand Zeach represent a hydrogen atom, a methyl group, and the like; Aand Aeach represent &#x2014;S&#x2014; and the like; X represents C(Rz)and the like (where Rz is a substituent, and two Rz's may form a ring); Land Leach represent a single bond, &#x2014;O&#x2014;, &#x2014;OC(&#x2550;O)&#x2014;, &#x2014;OC(&#x2550;O)O&#x2014;, &#x2014;OC(&#x2550;O)NH&#x2014;, and the like; Spand Speach represent a single bond or a linking group such as a linear alkylene group; Poland Poleach represent a hydrogen atom or a polymerizable group; and a compound represented by General Formula 1 has at least one polymerizable group. Using the lens adhesive, it is possible to provide a cemented lens that is unlikely to deteriorate due to light, and an imaging module having high durability.

Lens adhesive, cemented lens, and imaging module

The present invention provides a cured product obtained by curing a curable composition including a compound represented by General Formula 1, in which a birefringence &#x394;n (587 nm) is 0.00&#x2264;&#x394;n (587 nm)&#x2264;0.01.Pol-Sp-L-Ar-L-Sp-Pol&#x2003;&#x2003;(General Formula 1) In the formula, Ar represents a divalent group containing a ring structure selected from the group consisting of a quinoxaline ring and a quinazoline ring; Land Leach represent a single bond, &#x2014;O&#x2014;, &#x2014;OC(&#x2550;O)&#x2014;, &#x2014;OC(&#x2550;O)O&#x2014;, &#x2014;OC(&#x2550;O)NH&#x2014;, and the like; Spand Speach represent a single bond or a divalent linking group; Poland Poleach represent a hydrogen atom or a polymerizable group; and the compound represented by General Formula 1 has at least one polymerizable group. The cured product of the present invention has a small Abbe number (&#x3bd;d) and a large partial dispersion ratio (&#x3b8;g, F), and is therefore useful for production of optical members.

Cured product, optical member, lens, and compound

The present invention provides a curable resin composition including a bifunctional or more (meth)acrylate compound, indium tin oxide particles, and an acidic polymer, in which the acidic polymer has a moiety including a carboxyl group at a polymer skeleton of a (meth)acrylate compound and at any one of terminals of the polymer skeleton of a (meth)acrylate compound, and an acid value of the acidic polymer is 2.0 mgKOH/g or more and less than 100 mgKOH/g. The curable resin composition of the present invention provides a transparent cured product, hardly causes bubbles to be mixed in a case of applying the curable resin composition to a mold so as to form a lattice-shaped cured product, and also has a good peeled surface shape from the mold after curing. The present invention also provides a diffractive optical element including a surface having a diffraction grating shape and formed of the cured product of the curable resin composition.

Curable resin composition, cured product, diffractive optical element, multilayer diffractive optical element, and method for producing curable resin composition

The present invention is to provide an optical film having optically anisotropic layer having excellent durability, and a polarizing plate and an image display device using the same. An optical film of the present invention is an optical film having at least an optically anisotropic layer, in which the optically anisotropic layer is a layer obtained by polymerizing a polymerizable liquid crystal composition containing a predetermined liquid crystal compound and a polymerization initiator, and an extrapolated glass transition starting temperature of the optically anisotropic layer is 70&#xb0; C. or higher.

Optical film, polarizing plate, and image display device

According to the present invention, a cured product obtained by curing a curable composition including a compound represented by General Formula 1, in which a birefringence &#x394;n (587 nm) is 0.00&#x2264;&#x394;n (587 nm)&#x2264;0.01, is provided, and this cured product is suitable for manufacturing an optical member.---Ar---&#x2003;&#x2003;(General Formula 1) In formula, Ar is an aromatic ring group represented by General Formula 2-2 and the like.  In formula, Zand Zeach represent a hydrogen atom, a methyl group, and the like; Aand Aeach represent &#x2014;S&#x2014; and the like; X represents C(Rz)and the like (where Rz is a substituent, and two Rz's may form a ring); Land Leach represent a single bond, &#x2014;O&#x2014;, &#x2014;OC(&#x2550;O)&#x2014;, &#x2014;OC(&#x2550;O)O&#x2014;, &#x2014;OC(&#x2550;O)NH&#x2014;, and the like; Spand Speach represent a single bond or a divalent linking group; Poland Poleach represent a hydrogen atom or a polymerizable group; and a compound represented by General Formula 1 has at least one polymerizable group.

Cured product, optical member, lens, compound, and curable composition

An object of the present invention is to provide an optical film having an optically-anisotropic layer having excellent durability, a polarizing plate and an image display device in which the optical film is used, a polymerizable compound used in the optical film, and a method for manufacturing a 1,4-cyclohexanedicarboxylic acid monoaryl ester. The optical film of the present invention is an optical film having at least an optically-anisotropic layer, in which the optically-anisotropic layer is a layer obtained by polymerizing a polymerizable liquid crystal composition containing a polymerizable compound which has a specific structure, a liquid crystal compound which has a specific structure, and a polymerization initiator.

Optical film, polarizing plate, image display device, polymerizable compound, and method for manufacturing 1,4-cyclohexanedicarboxylic acid monoaryl ester

The polymer film comprises a carbonyl bond-containing polymer and a compound having &#x3b4;h of equal to or higher than 11.0 and &#x3b4;&#x3c7; of equal to or lower than 1.50, wherein the &#x3b4;h is a value of hydrogen-bonding capacity calculated by Hoy method and the &#x3b4;&#x3c7; is a value calculated by equation 1:&#x3b4;&#x3c7;=|&#x2212;13.3|&#x2003;&#x2003;Equation 1

Polymer film, polarizing plate and liquid crystal display device

A cellulose acylate film, which includes a compound denoted by general formula (I) below, the equivalent U of which, calculated as a value obtained by dividing the molecular weight of the compound by the number of divalent linking groups denoted by &#x2014;O&#x2014;C(&#x2550;O)&#x2014;NH&#x2014; contained per molecule, is less than or equal to 515, wherein, in general formula (I), each of Land Lindependently denotes an optionally substituted alkylene group; each of Land Lindependently denotes a single bond, any one of or any combination of &#x2014;O&#x2014;, &#x2014;NR&#x2014;, &#x2014;S&#x2014; and &#x2014;C(&#x2550;O)&#x2014;; Rdenotes a hydrogen atom or a substituent; each of n1 and n2 independently denotes an integer of 0 to 20, with at least either n1 or n2 being an integer of greater than or equal to 1.Q-(L-L)-O&#x2014;C(&#x2550;O)&#x2014;NH-(L-L)-Q&#x2003;&#x2003;General formula (I)

Cellulose acylate film, novel compound, polarizing plate and liquid crystal display device

An optical film comprising a cellulose acylate film which comprises a compound denoted by formula 2 below:  

Cellulose acylate film, polarizing plate and liquid crystal display device

There is provided a polymerizable composition comprising a compound (A) having a repeating unit having a perfluoropolyether structure and 4 or more polymerizable groups and represented by the specific general formula; an antireflection film comprising a transparent support having thereon at least one low refractive index layer, wherein the low refractive index layer is formed of the polymerizable composition; a polarizing plate comprising a polarization film and two protective films protecting the both surfaces of the polarization film, wherein at least one of the protective films is the antireflection film; an image display device comprising a display, and the antireflection film or the polarizing plate on the outermost surface of the display; and a water-repellent or oil-repellent film formed of the polymerizable composition.

Polymerizable composition, antireflection film, polarizing plate and image display device each using the same, and water-repellent or oil-repellent film

The invention is directed to a polymerizable composition containing: a compound containing a repeating unit having a polyether structure having a fluorine atom and four or more polymerizable groups and being represented by the formula (I) as defined herein; a photopolymerization initiator; and an organic solvent, or a polymerizable composition containing: a compound containing a repeating unit having a polyether structure having a fluorine atom and four or more polymerizable groups and being represented by one of the formulae (I-1) to (I-5) as defined herein; a photopolymerization initiator; and an organic solvent.

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Kanagawa, Japan

Naozumi Shiraiwa