Patents by Inventor Yuuki Nakano
Yuuki Nakano has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20090086318Abstract: A polarizing plate of the present invention comprises: a polarizer; a transparent protective film placed on at least one side of the polarizer; and an adhesive layer and an adhesion facilitating layer interposed in this order from the polarizer side between the polarizer and the transparent protective film, wherein the adhesive layer is formed with an active energy ray-curable adhesive that contains a hydroxyl group-containing N-substituted amide monomer as a curable component, and the adhesion facilitating layer is formed with a polymer resin composition that contains 100 parts by weight of a polymer resin and 3 to 30 parts by weight of an organosilane compound having at least one functional group selected from an acryloyl group, a methacryloyl group, a vinyl group, and a mercapto group. The polarizing plate has good adhesion.Type: ApplicationFiled: September 26, 2008Publication date: April 2, 2009Applicant: NITTO DENKO CORPORATIONInventors: Masahiro YAEGASHI, Tetsurou IKEDA, Yuuki NAKANO, Reiko AKARI, Mitsuru SUZUKI
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Publication number: 20090067047Abstract: Provided is a polarizer protective film, which has high heat resistance, high transparency, high optical characteristics, and high mechanical strength, and is excellent in adhesion with respect to a polarizer. Further, provided are a polarizing plate using such a polarizer protective film and a polarizer, which has high adhesion with respect to the polarizer protective film and the polarizer and is excellent in optical characteristics, and an image display apparatus of high quality using such a polarizing plate. A polarizer protective film according to the present invention includes a (meth)acrylic resin having a lactone ring structure and core-shell type nanoparticles having a core layer made of a rubber polymer and a shell layer made of a glass polymer.Type: ApplicationFiled: February 27, 2007Publication date: March 12, 2009Applicants: NIPPON SHOKUBAI CO., LTD., NITTO DENKO CORPORATIONInventors: Ken-ichi Ueda, Shigeo Otome, Mie Nakata, Yuuki Nakano
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Publication number: 20090047836Abstract: The invention has an object to provide a connector 10 which achieves a reduced overall height of the order of 1.0 mm and space-saving substrate (in the inserting direction of a circuit board) and which obtains stable connection with a slight operating force and does not cause any defective connection even if a connecting object is accidentally subjected to an external force.Type: ApplicationFiled: April 24, 2006Publication date: February 19, 2009Applicant: DDK LTD.Inventors: Masayuki Suzuki, Yuuki Nakano
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Publication number: 20080252973Abstract: A polarizing plate of the present invention comprises a polarizer; an adhesive layer; and a transparent protective film bonded to at least one side of the polarizer with the adhesive layer interposed therebetween, wherein the adhesive layer is formed from an active energy ray curing adhesive containing at least one curable component, and the adhesive layer has a glass transition temperature (Tg) of 60° C. or more, and a thickness of 0.01 ?m to 7 ?m. The polarizing plate has sufficient durability in a severe environment at high temperature and high humidity.Type: ApplicationFiled: April 14, 2008Publication date: October 16, 2008Applicant: NITTO DENKO CORPORATIONInventors: Reiko Akari, Tetsurou Ikeda, Yuuki Nakano, Masahiro Yaegashi, Mitsuru Suzuki, Masayuki Satake, Kuniaki Ishibashi
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Patent number: 7030945Abstract: In a liquid-crystal display device, an optical path control layer is provided at least on an outer side of the back side substrate, and has a plurality of optical path changing slopes inclined at an inclination angle of from 35 to 48 degrees with respect to a reference plane of the back side substrate. The optical path control layer has a refractive index higher than that of a low-refractive-index transparent layer provided in the back side substrate. Another low-refractive-index transparent layer lower in refractive index than the transparent substrate may be provided in a visual side substrate. Light sources may be disposed on at least two side surfaces of the liquid-crystal display panel. Light sources may be disposed on side surfaces of the back side substrate and the visual side substrate and at least on side surfaces of the liquid-crystal display panel which are different from each other. Another optical path control layer may be provided also on an outer side of the visual side substrate.Type: GrantFiled: August 22, 2002Date of Patent: April 18, 2006Assignee: Nitto Denko CorporationInventors: Seiji Umemoto, Ryoji Kinoshita, Yuuki Nakano, Ichiro Amino, Toshihiko Ariyoshi
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Patent number: 6891530Abstract: A touch panel-including illuminator having: a light pipe made of a transparent plate-like material having an upper surface, a lower surface and at least one incidence side surface, the upper surface being provided with light output means through which light incident on the incidence side surface is made to emerge from the lower surface; a light source disposed on the incidence side surface of the light pipe; an adhesive layer; and a touch panel bonded to the upper surface of the light pipe through the adhesive layer; wherein the light output means are constituted by fine grooves which are disposed discontinuously, each of which is made of a concave portion, and each of which is shaped like an approximate triangle in section; and wherein each of the fine grooves has an optical path changing slope and a steep slope.Type: GrantFiled: April 15, 2002Date of Patent: May 10, 2005Assignee: Nitto Denko CorporationInventors: Seiji Umemoto, Ryoji Kinoshita, Yuuki Nakano, Hiroaki Kishioka, Waka Sakaitani
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Patent number: 6825895Abstract: A liquid-crystal display apparatus having a liquid-crystal panel, the liquid-crystal panel including a lower transparent substrate having a transparent electrode on at least one of its opposite surfaces, an upper transparent substrate having a transparent electrode opposite to the transparent electrode of the lower substrate, and liquid crystal held between the lower substrate and the upper substrate, wherein the upper substrate is thicker than the lower substrate. Preferably, the thickness of the lower substrate is not larger than ⅔ as large as the thickness of the upper substrate in order to achieve reduction in thickness and weight more effectively.Type: GrantFiled: March 15, 2002Date of Patent: November 30, 2004Assignee: Nitto Denko CorporationInventors: Yuuki Nakano, Toshihiko Ariyoshi, Seiji Umemoto, Hideo Abe, Ryoji Kinoshita
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Patent number: 6693690Abstract: A lightweight, touch-input-type reflective liquid-crystal display panel having a reflective liquid-crystal display panel. The reflective liquid-crystal display panel being formed in a manner such that external light incident on an outer surface is reflected by the light-reflecting layer so that display light transmitted through the liquid-crystal layer is made to emerge from the visual side cell substrate and viewed.Type: GrantFiled: May 1, 2002Date of Patent: February 17, 2004Assignee: Nitto Denko CorporationInventors: Seiji Umemoto, Yuuki Nakano, Ryoji Kinoshita, Hiroaki Kishioka, Waka Sakaitani
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Publication number: 20030210367Abstract: A reflection-type liquid-crystal display with a reflection-type liquid-crystal display panel, which comprises a transparent view-side substrate with a transparent electrode and a transparent backside substrate with a transparent electrode that are so combined as to have a liquid crystal between the facing electrodes thereof to construct a liquid-crystal cell, and comprises a transparent optical film having a radius of curvature at break of at most 5 mm, on the outer side of the view-side substrate via a polarizing layer therebetween, and a reflection layer on the outer side of the backside substrate, and which is characterized in that the optical film has, in its surface, a plurality of optical path-changing slopes that incline at an angle of from 35 to 48 degrees relative to the standard plane of the view-side substrate, and one or more sides of the optical film have a light source; and the optical film.Type: ApplicationFiled: May 7, 2003Publication date: November 13, 2003Applicant: NITTO DENKO CORPORATIONInventors: Yuuki Nakano, Toshihiko Ariyoshi, Seiji Umemoto, Ryoji Kinoshita
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Publication number: 20030043315Abstract: In a liquid-crystal display device, an optical path control layer is provided at least on an outer side of the back side substrate, and has a plurality of optical path changing slopes inclined at an inclination angle of from 35 to 48 degrees with respect to a reference plane of the back side substrate. The optical path control layer has a refractive index higher than that of a low-refractive-index transparent layer provided in the back side substrate. Another low-refractive-index transparent layer lower in refractive index than the transparent substrate may be provided in a visual side substrate. Light sources may be disposed on at least two side surfaces of the liquid-crystal display panel. Light sources may be disposed on side surfaces of the back side substrate and the visual side substrate and at least on side surfaces of the liquid-crystal display panel which are different from each other. Another optical path control layer may be provided also on an outer side of the visual side substrate.Type: ApplicationFiled: August 22, 2002Publication date: March 6, 2003Applicant: NITTO DENKO CORPORATIONInventors: Seiji Umemoto, Ryoji Kinoshita, Yuuki Nakano, Ichiro Amino, Toshihiko Ariyoshi
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Publication number: 20030038916Abstract: A liquid-crystal display apparatus having a liquid-crystal panel, the liquid-crystal panel including a lower transparent substrate having a transparent electrode on at least one of its opposite surfaces, an upper transparent substrate having a transparent electrode opposite to the transparent electrode of the lower substrate, and liquid crystal held between the lower substrate and the upper substrate, wherein the upper substrate is thicker than the lower substrate. Preferably, the thickness of the lower substrate is not larger than ⅔ as large as the thickness of the upper substrate in order to achieve reduction in thickness and weight more effectively.Type: ApplicationFiled: March 15, 2002Publication date: February 27, 2003Applicant: NITTO DENKO CORPORATIONInventors: Yuuki Nakano, Toshihiko Ariyoshi, Seiji Umemoto, Hideo Abe, Ryoji Kinoshita
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Publication number: 20020187284Abstract: An optical film has a transparent film including light output portions distributed over one of opposite surfaces of the transparent film so as to make the total luminous transmittance and the haze of the optical film be set in a range of from 75 to 92% and in a range of from 4 to 20% respectively, the light output portions being constituted by concave or convex portions having optical path changing slopes each inclined at an inclination angle of from 35 to 48 degrees with respect to a film plane of the transparent film. A liquid-crystal display device has an optical film defined above, and a liquid-crystal display panel, wherein the optical film is disposed on one of opposite surfaces of the liquid-crystal display panel so that a surface of the film in which the light output portions of the optical film are provided faces outward.Type: ApplicationFiled: March 14, 2002Publication date: December 12, 2002Applicant: NITTO DENKO CORPORATIONInventors: Ryoji Kinoshita, Tishihiko Ariyoshi, Seiji Umemoto, Yuuki Nakano
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Publication number: 20020180711Abstract: A touch panel-including illuminator having: a light pipe made of a transparent plate-like material having an upper surface, a lower surface and at least one incidence side surface, the upper surface being provided with light output means through which light incident on the incidence side surface is made to emerge from the lower surface; a light source disposed on the incidence side surface of the light pipe; an adhesive layer; and a touch panel bonded to the upper surface of the light pipe through the adhesive layer; wherein the light output means are constituted by fine grooves which are disposed discontinuously, each of which is made of a concave portion, and each of which is shaped like an approximate triangle in section; and wherein each of the fine grooves has an optical path changing slope and a steep slope.Type: ApplicationFiled: April 15, 2002Publication date: December 5, 2002Applicant: NITTO DENKO CORPORATIONInventors: Seiji Umemoto, Ryoji Kinoshita, Yuuki Nakano, Hiroaki Kishioka, Waka Sakaitani
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Publication number: 20020180910Abstract: A reflective liquid-crystal display device having a reflective liquid-crystal display panel, at least one light source, an optical path control layer, a transparent touch panel, and a transparent adhesive layer, the reflective liquid-crystal display panel including a liquid-crystal cell and a light-reflecting layer, the liquid-crystal cell having a back side cell substrate, a visual side cell substrate, and a layer of liquid crystal between the two cell substrates, the reflective liquid-crystal display panel being formed in a manner such that external light incident on an outer surface is reflected by the light-reflecting layer so that display light transmitted through the liquid-crystal layer is made to emerge from the visual side cell substrate and viewed, the light source being disposed on at least one of side surfaces of the reflective liquid-crystal display panel, the optical path control layer being disposed on the outer surface side of the visual side cell substrate, the transparent touch panel being bType: ApplicationFiled: May 1, 2002Publication date: December 5, 2002Applicant: NITTO DENKO CORPORATIONInventors: Seiji Umemoto, Yuuki Nakano, Ryoji Kinoshita, Hiroaki Kishioka, Waka Sakaitani
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Patent number: D531126Type: GrantFiled: February 9, 2006Date of Patent: October 31, 2006Assignee: DDK Ltd.Inventors: Masayuki Suzuki, Kazuhiro Sato, Yuuki Nakano, Issey Miyake
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Patent number: D531582Type: GrantFiled: February 9, 2006Date of Patent: November 7, 2006Assignee: DDK Ltd.Inventors: Masayuki Suzuki, Kazuhiro Sato, Yuuki Nakano, Issey Miyake
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Patent number: D533507Type: GrantFiled: February 9, 2006Date of Patent: December 12, 2006Assignee: DDK Ltd.Inventors: Masayuki Suzuki, Kazuhiro Sato, Yuuki Nakano, Issey Miyake
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Patent number: D534127Type: GrantFiled: February 9, 2006Date of Patent: December 26, 2006Assignee: DDK Ltd.Inventors: Masayuki Suzuki, Kazuhiro Sato, Yuuki Nakano, Issey Miyake
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Patent number: D539748Type: GrantFiled: June 9, 2006Date of Patent: April 3, 2007Assignee: DDK Ltd.Inventors: Masayuki Suzuki, Yuuki Nakano