Fujifilm Corporation

Naoyuki Morooka

Takafumi Nakayama

Naozumi Shiraiwa

Shigeki Uehira

Tatsuhiko Obayashi

Takayasu Nagai

Hiroaki Mochizuki

Rie Okutsu

Shunya Katoh

Daisuke Sasaki

Seiichi Hitomi

Masahiro Takata

Yuusuke Iizuka

Ayumi Ishiyama

Ayumi Someya

Masanori Fujiwara

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

Provided is a curable composition containing a polymerizable compound represented by General Formula (A), an acylphosphine oxide photopolymerization initiator, and an amine compound.ArL-Sp-Pol)  Genera Formula (A)

Curable composition, cured substance, optical member, and lens

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

A curable composition containing a compound represented by General Formula A and a salt of an acidic phosphoric acid ester is provided as a curable composition for forming a cured product that has a small Abbe number and a large partial dispersion ratio and has excellent moldability. In General Formula A, Ar represents an n-valent group containing a nitrogen-containing aromatic ring as a partial structure, L represents a linking group such as —O— and —C(═O)O—, Sp represents a single bond or a divalent linking group, Pol represents a hydrogen atom or a polymerizable group, and n represents 1 or 2; and the compound represented by General Formula A has at least one polymerizable group.

Curable composition, cured product, optical member, lens, and method for manufacturing optical member

A lens having high quality even after long-term storage can be manufactured using a curable composition containing a compound represented by General Formula A, a compound represented by General Formula B, and a polymerization initiator, in which a ratio of a substance amount of the compound represented by General Formula B to a substance amount of the compound represented by General Formula A is 1 to 25 mol %. In the Formulas, each portion surrounded by a broken line of Ar, Ar, and Arrepresents that each of the portions may form a fused ring; Land Leach represent a single bond, —O—, or the like; Spand Speach represent a single bond or a divalent linking group; Poland Poleach represent a polymerizable group; Rto Reach represent a substituent; and q, r, v, and w are each an integer of 0 to 4.

An object of the present invention is to provide a signal detection system capable of removing noise caused by scattered light or the like and capable of detecting an accurate signal. The problems can be solved by providing a signal detection system including an emitting unit that emits polarized light as measurement light, a retroreflection member that retroreflects the measurement light, and a detecting unit that detects the retroreflected measurement light, in which in the retroreflection member, a reflectance of first polarized light is higher than a reflectance of second polarized light which is polarized light having a property opposite to that of the first polarized light, and at least one of a first condition in which in the measurement light emitted from the emitting unit, an intensity of the first polarized light is higher than an intensity of the second polarized light, or a second condition in which in the detecting unit, a detection sensitivity of the first polarized light is higher than a detection sensitivity of the second polarized light is satisfied.

Signal detection system

The present invention provides a curable composition containing a compound represented by General Formula A and a compound represented by General Formula B.ArL-Sp-Pol)  (General Formula A) In General Formula A, Ar represents an n-valent group containing a nitrogen-containing fused aromatic ring as a partial structure; In General Formula B, R′, R″, and R′″ are each independently a hydrogen atom or a substituent; R′ and R″ or R″ and R′″ may be bonded to each other to form a ring that may have a substituent; and W is a hydrogen atom or a substituent. Using the curable composition of the present invention, it is possible to form a cured product having a small Abbe number, a large partial dispersion ratio, and high light stability.

Curable composition, cured product, optical member, lens, and compound

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

According to the present invention, as a monomer which is unlikely to be crystallized in a curable composition for manufacturing an optical member and which enables manufacture of a cured product having a high level of moisture-heat resistance, a compound represented by General Formula (A) is provided.  In the formula, Arand Areach independently represent an aryl group or a heteroaryl group; X, Y, X, Y, Z, and Zeach independently represent a nitrogen atom or a carbon atom, or the like; Arand Areach independently represent an arylene group or a heteroarylene group, where at least one of Aror Aris a group other than a phenylene group; Rto Reach independently represent a substituent, q and r each independently are an integer of 0 to 4, and v and w each independently are an integer of 0 or more; Land Leach independently represent a single bond, an oxygen atom, an ester bond, or the like; Rand Reach independently represent a divalent linking group containing a branched alkylene group; and Rand Reach independently represent a hydrogen atom or a methyl group.

Compound, curable composition, cured product, optical member, and lens

A curable composition contains: a cardo skeleton-containing monomer having two or more (meth)acryloyl groups in a molecule; an aromatic ring-containing monofunctional (meth)acrylate monomer; and an acidic phosphate ester, in which the acidic phosphate ester is a compound represented by General Formula (1), and the content of the acidic phosphate ester is 0.003% to 1% by mass with respect to a total mass of the curable composition. 

Curable composition, cured product, optical member, lens, and method for producing cured product

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 a phase difference film that can exhibit sufficient reciprocal wavelength dispersibility. The present invention includes a copolymer containing at least one selected from a unit represented by Formula (1) and a unit represented by Formula (2), and a unit represented by Formula (3), in which 20 nm&#x3c;Re (548)&#x3c;300 nm, 0.5&#x3c;Re (446)/Re (548)&#x3c;1.0, and 1.0&#x3c;Re (629)/Re (548)&#x3c;2.0. Here, Re (446), Re (548), and Re (629) represent in-plane retardations at wavelengths of 446 nm, 548 nm, and 629 nm, respectively.

Phase difference film

A curable composition contains a compound represented by General Formula (1): 

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Ashigarakami-gun, Japan

Naoyuki Morooka