Sharp Kabushiki Kaisha Corporation

Daikin Industries, Ltd.

Geomatec Co., Ltd.

Hidekazu Hayashi

Tokio Taguchi

Kenichiro Nakamatsu

Nobuaki Yamada

Kiyoshi Minoura

Akinobu Isurugi

Atsushi Niinoh

Yasuhiro Shibai

Akiyoshi Fujii

Ken Atsumo

Ryoji Minakata

Masashi Michijima

Takao Imaoku

Tadashi Iwamatsu

Takayuki Araki

Kazuhiko Tsuda

Miho Yamada

Tsuneo Yamashita

Kohji Shinkawa

Eiji Sakamoto

Saya Nii

Mai Takasaki

Hiroyuki Sugawara

Toshihiro Kaneko

Takahiro Nakahara

Hisashi Mitsuhashi

Takashi Satoh

Kakeru Hanabusa

Hisashi Maruyama

Nobuaki Nakao

Suguru Aoki

Ichirou Ihara

Minoura Kiyoshi

A synthetic polymer film (), () having a surface which has a plurality of raised portions (), (), wherein a two-dimensional size of the plurality of raised portions is in a range of more than 20 nm and less than 500 nm when viewed in a normal direction of the synthetic polymer film, the surface having a microbicidal effect, and the synthetic polymer film includes a fluorine element in such a profile that a fluorine content is not constant in a thickness direction but is higher in a portion closer to the plurality of raised portions than in a portion farther from the plurality of raised portions.

Synthetic polymer film provided with surface having sterilizing effect, method for manufacturing synthetic polymer film and sterilization method using surface of synthetic polymer film

The present invention provides a method for producing an optical film excellent in anti-fouling properties and scratch resistance as well as anti-reflection properties. The method includes the steps of: (1) applying a lower layer resin and an upper layer resin; (2) forming a resin layer having the uneven structure on a surface thereof by pressing a mold against the lower layer resin and the upper layer resin from the upper layer resin side in the state where the applied lower layer resin and upper layer resin are stacked; and (3) curing the resin layer, the lower layer resin containing at least one kind of first monomer that contains no fluorine atoms, the upper layer resin containing a fluorine-containing monomer and at least one kind of second monomer that contains no fluorine atoms, at least one of the first monomer and the second monomer containing a compatible monomer that is compatible with the fluorine-containing monomer and being dissolved in the lower layer resin and the upper layer resin.

Optical film

An optical device case (A) of an embodiment includes: a light-transmitting window member (A); and a housing () which has a space for accommodating a light-receiving element and/or a light-emitting element (OE), wherein the window member (A) includes a light-transmitting member (), a polymer film () provided on an outer surface of the light-transmitting member (), the polymer film () having a moth-eye structure at its surface, a contact angle of the surface with respect to water being not less than 140&#xb0;, and a resistance heater () provided on an inner surface of the light-transmitting member ().

Optical device case and optical device

The present invention provides a method for producing an antifouling film capable of long-term continuous production of an antifouling film having excellent antifouling properties. The method for producing an antifouling film of the present invention includes Process (1) of applying a resin to a surface of a substrate; Process (2) of applying a second release agent to a surface of a die coated with a first release agent; Process (3) of pushing the substrate to the surface of the die coated with the second release agent with the resin in between to form an uneven structure on a surface of the resin; and Process (4) of curing the resin including the uneven structure on the surface thereof to form a polymer layer. The resin contains an antifouling agent that contains a predetermined compound. The first release agent contains a predetermined compound. The second release agent contains a predetermined compound.

Method for producing antifouling film

The present invention provides a method for producing an antifouling film having excellent antifouling properties and rubbing resistance. The method for producing an antifouling film of the present invention includes Process (1) of applying a resin to a surface of a substrate; Process (2) of pushing the substrate to a die with the resin in between to form an uneven structure on a surface of the resin; and Process (3) of curing the resin including the uneven structure on the surface thereof to form a polymer layer. The resin contains an antifouling agent that contains a compound containing a perfluoro(poly)ether group. The die includes a surface having undergone release treatment using a release agent containing a compound that contains a perfluoro(poly)ether group, a hydrolyzable group, and a Si atom.

The method for producing an optical member of the present invention includes: a step (1) of applying a lower layer resin and an upper layer resin; a step (2) of pressing a die against the lower layer resin and the upper layer resin from the upper layer resin side, so as to form a resin layer including an uneven structure on a surface thereof; and a step (3) of curing the resin layer to form the polymer layer, wherein the lower layer resin contains an amide group, the lower layer resin has an amide group concentration of 1.5 mmol/g or more and less than 5 mmol/g, and the polymer layer has a minimum storage modulus E' of 1&#xd7;10Pa or higher and 1&#xd7;10Pa or lower at a bottom temperature of 110&#xb0; C. or higher and 210&#xb0; C. or lower.

Method for producing optical member and optical member

The method for producing an optical member of the present invention includes: Process (1) of applying a first resin to a substrate; Process (2) of applying a second resin to at least one of the first resin and a die; Process (3) of pushing the substrate to the die with the first resin and the second resin in between to form a resin layer including on a surface thereof an uneven structure; and Process (4) of curing the resin layer to provide a polymer layer. The die includes a surface after release treatment with a fluorine release agent. The first resin contains a resin component, and the resin component contains predetermined amounts of a (meth)acrylamide compound and a urethane prepolymer containing six or more functional groups. The second resin contains predetermined amounts of a reactive group-containing monomer, a fluorosurfactant, and a fluorine-containing monomer.

Method for producing optical member, and optical member

A printing intaglio (A), (B) is a printing intaglio for use in intaglio printing, the printing intaglio having a surface which has a plurality of first recessed portions () that form a pattern to be printed, wherein at least one of the plurality of first recessed portions has a plurality of minute recessed portions () inside the first recessed portion, and when viewed in a direction normal to the surface of the printing intaglio, a two-dimensional size of the plurality of minute recessed portions is not less than 10 nm and less than 500 nm.

Printing intaglio, printing intaglio manufacturing method, print-making method, and print

The optical member of the present invention includes a substrate and a polymer layer that is in direct contact with the substrate and includes on a surface thereof an uneven structure provided with multiple projections at a pitch not longer than a wavelength of visible light, the polymer layer containing an amide group, the polymer layer having an amide group concentration of 2 mmol/g or higher and lower than 5 mmol/g, the polymer layer having a minimum storage modulus E' of 1&#xd7;10Pa or higher and 1&#xd7;10Pa or lower at a bottom temperature of 110&#xb0; C. or higher and 210&#xb0; C. or lower in a dynamic viscoelasticity measurement with a measurement temperature range of &#x2212;50&#xb0; C. to 250&#xb0; C., a temperature rise rate of 5&#xb0; C./min, and a frequency of 10 Hz.

Optical member and polymer layer

An electron emitting device () includes a first electrode (), a second electrode (), and a semi-conductive layer () provided between the first electrode () and the second electrode (). The semi-conductive layer () includes a porous alumina layer () having a plurality of pores () and silver () supported in the plurality of pores () of the porous alumina layer ().

Electron emission element and method for same

The antifouling film includes a polymer layer that includes on a surface thereof an uneven structure provided with multiple projections at a pitch not longer than a wavelength of visible light. The polymer layer has a proportion of the number of fluorine atoms relative to the sum of the numbers of carbon atoms, nitrogen atoms, oxygen atoms, and fluorine atoms of 33 atom % or more on the surface of the uneven structure and of 3 atom % or less on average in a region 90 to 120 nm deep from the surface of the uneven structure. The polymer layer has a proportion of the number of nitrogen atoms relative to the sum of the numbers of carbon atoms, nitrogen atoms, oxygen atoms, and fluorine atoms of 4 atom % or less on average in a region 90 to 120 nm deep from the surface of the uneven structure.

Antifouling film

The antifouling film includes a polymer layer that includes on a surface thereof an uneven structure provided with multiple projections at a pitch not longer than a wavelength of visible light. The polymer layer has a proportion of the number of fluorine atoms relative to the sum of the numbers of carbon atoms, nitrogen atoms, oxygen atoms, and fluorine atoms of 33 atom % or more on the surface of the uneven structure. The polymer layer has at least one local maximum of the proportion of the number of nitrogen atoms relative to the sum of the numbers of carbon atoms, nitrogen atoms, oxygen atoms, and fluorine atoms in a region 5 to 90 nm deep from the surface of the uneven structure. The local maximum is 0.3 atom % or more greater than the average value in a region 90 to 120 nm deep from the surface of the uneven structure.

A manufacturing method of a mold, the mold having at its surface a plurality of recessed portions whose two-dimensional size is not less than 10 nm and less than 500 nm when viewed in a direction normal to the surface, the method comprising: (a) providing a mold base (); (b) partially anodizing the aluminum alloy layer (), thereby forming a porous alumina layer () which has a plurality of minute recessed portions (); (c) bringing the porous alumina layer into contact with an etching solution, thereby enlarging the plurality of minute recessed portions; (d) detecting a protrusion () formed at a surface of the porous alumina layer or the mold base; (e) determining whether or not a height of the detected protrusion is greater than a predetermined height; and (f) if it is determined at step (e) that the height of the protrusion is greater, irradiating the protrusion with laser light such that the height of the protrusion becomes smaller than the predetermined height.

Mold manufacturing method and anti-reflective film manufacturing method

A manufacturing method of a mold, the mold having at its surface a plurality of recessed portions whose two-dimensional size is not less than 10 nm and less than 500 nm when viewed in a direction normal to the surface, the method including: (a) providing a mold base, (b) partially anodizing an aluminum alloy layer, thereby forming a porous alumina layer which has a plurality of minute recessed portions; and (c) after step (b), bringing the porous alumina layer into contact with a first etching solution, thereby enlarging the plurality of minute recessed portions of the porous alumina layer. Step (a) of providing the mold base includes (a) providing a metal base, (a) forming an aluminum alloy layer on the metal base, and (a) forming a surface protection layer on the aluminum alloy layer. Step (a) and step (a) are performed in a same chamber.

Growing community of inventors

Osaka, Japan

Hidekazu Hayashi