Patents by Inventor Shogo Shinkai
Shogo Shinkai 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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Patent number: 8016450Abstract: An illuminating apparatus is provided and includes a plurality of point light sources in one plane and a first optical sheet and a second optical sheet overlapped in a region facing the plurality of point light sources. The plurality of point light sources are arranged in a first direction and also arranged in a second direction orthogonal to the first direction. The first optical sheet has a plurality of first three-dimensional structures extending in a direction parallel to the first direction and arranged in a direction parallel to the second direction. The second optical sheet has a plurality of second three-dimensional structures extending in a direction parallel to the second direction and arranged in a direction parallel to the first direction. Each of the second three-dimensional structures has a shape which generates a larger amount of return light from normal incident light as compared with the first three-dimensional structures.Type: GrantFiled: August 11, 2009Date of Patent: September 13, 2011Assignee: Sony CorporationInventors: Shogo Shinkai, Shigehiro Yamakita, Yasuyuki Kudo, Taku Ishimori, Eiji Ohta, Yutaka Muramoto
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Publication number: 20110205734Abstract: An optical sheet stack body includes two optical sheets disposed to overlap a plurality of point light sources arranged in a first direction and arranged in a second direction crossing the first direction. The optical sheets are disposed so that a long-side direction of the optical sheet crosses the first and second directions at an angle other than right angle. A first optical sheet disposed on the point light source side has a plurality of first three-dimensional structures extending in a direction parallel to or almost parallel to the first direction. A second optical sheet disposed on the side opposite to the point light source has a plurality of second three-dimensional structures extending in a direction parallel to or almost parallel to the second direction. The second three-dimensional structure has a shape by which return light is generated from normal incident light more than the first three-dimensional structure.Type: ApplicationFiled: February 17, 2011Publication date: August 25, 2011Applicant: SONY CORPORATIONInventors: Shigehiro Yamakita, Shogo Shinkai, Yasuyuki Kudo, Taku Ishimori, Eiji Ohta, Yutaka Muramoto
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Patent number: 7961278Abstract: There is provided an optical sheet stack which includes a first optical sheet having a large number of irregularities consecutively arranged on one surface thereof, and a second optical sheet stacked thereon. In the optical sheet stack, the second optical sheet has, on a bonding surface thereof, an adhesive layer bonded with apexes of the irregularities, and while assuming pitch of arrangement of the irregularities as P, and width of bonding of each apex of the irregularities bonded to the adhesive layer as Pw, the relation of 0<Pw/P?0.2 is satisfied.Type: GrantFiled: November 7, 2007Date of Patent: June 14, 2011Assignee: Sony CorporationInventors: Eiji Ohta, Toru Abiko, Yasuyuki Kudo, Shogo Shinkai, Shigehiro Yamakita, Makoto Aoki
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Publication number: 20110026240Abstract: An optical element laminate is provided which, while an increase in thickness of a liquid crystal display device is suppressed, improves insufficient rigidity of an optical element and, in addition, which does not degrade display characteristics of the liquid crystal display device. The optical element laminate includes a plate-shaped support member having a first primary surface and a second primary surface and an optical element which is laminated on at least one of the first primary surface and the second primary surface of the support member and, in addition, which has a film shape or a sheet shape. The periphery of the laminated optical element is at least bonded to facing two sides of the support member, the optical element and the support member are placed in close contact with each other, and a thickness t of the support member, a length L of the support member, and a tensile force F of the optical element satisfy the relational expression of 0?F?1.Type: ApplicationFiled: September 18, 2009Publication date: February 3, 2011Applicant: SONY CORPORATIONInventors: Hiroshi Hayashi, Eiji Ohta, Ken Hosoya, Yasuyuki Kudo, Shigehiro Yamakita, Masayasu Kakinuma, Taku Ishimori, Shogo Shinkai, Yoshiyuki Maekawa, Masami Miyake, Yohei Kanno, Fumiko Sasaki, Akihiro Horii
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Patent number: 7880970Abstract: An optical packaged body capable of preventing generation of a wrinkle, deflection, and warpage, and capable of being thinned is provided. The optical packaged body includes a support medium and a packaging film that covers the support medium in a state of being applied with shrinkage force. The packaging film has an optical function section that acts on light from a light source in at least one of a first region into which the light from the light source enters and a second region from which the light from the light source is emitted after passing through the optical packaged body when the light source is arranged on one face side of the optical packaged body.Type: GrantFiled: November 19, 2009Date of Patent: February 1, 2011Assignee: Sony CorporationInventors: Eiji Ohta, Toru Abiko, Yasuyuki Kudo, Hirokazu Odagiri, Satoshi Sato, Yu Andrew Chakchung, Shogo Shinkai, Taro Omura, Hiroshi Mizuno, Akihiro Horii, Tatsuya Harima
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Publication number: 20100328575Abstract: A diffusion plate includes a base body including a plurality of convex portions formed on a principal surface of the base body. An angle of inclination of the convex portions at a base of the convex portions ranges from 38° to 42°. Also, a ratio R/Cp between a curvature R of a summit of the convex portions and a pitch Cp between adjacent convex portions is 0.0014<R/Cp<0.43.Type: ApplicationFiled: June 17, 2010Publication date: December 30, 2010Applicant: SONY CORPORATIONInventors: Shogo Shinkai, Eiji Ohta, Yasuyuki Kudo, Tatsuya Harima, Saori Hayashi
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Patent number: 7782420Abstract: An optical element covering member is provided which can suppress degradation in display performance caused by warping and undulation. The optical element covering member includes at least one optical element, a support medium supporting the optical element; and a covering member covering the optical element and the support medium. In the above optical element covering member, the covering member has a Vicat softening point of more than 85° C., and at least one surface of the covering member, which covers the support medium, has a coefficient of thermal expansion in the range of 85% to 160% of the coefficient of thermal expansion of the support medium.Type: GrantFiled: April 8, 2008Date of Patent: August 24, 2010Assignee: Sony CorporationInventors: Eiji Ohta, Toru Abiko, Masayasu Kakinuma, Ken Hosoya, Taku Ishimori, Shigehiro Yamakita, Shogo Shinkai
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Publication number: 20100195314Abstract: An illuminating device capable of decreasing not only in-plane luminance unevenness in the front face direction but also in-plane luminance unevenness when viewed from a diagonal direction is provided.Type: ApplicationFiled: May 20, 2009Publication date: August 5, 2010Applicant: SONY CORPORATIONInventors: Shogo Shinkai, Shigehiro Yamakita, Hirokazu Odagiri, Yasuyuki Kudo
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Patent number: 7768593Abstract: Using a distance L between the centers of light sources 12, 12; a refractive index n of an optical element 15; a thickness d of the optical element; a distance W from the center of the light source to the optical element; a refractive index n0 of air; an angle of incidence ?1 of light emitted from the light sources and coming into the optical element, relative to the direction of optical axes; an angle of refraction ?2 of light, incident on the optical element, in the optical element; a diameter of each light source as D; and a maximum tangential angle a formed between a tangential line in contact with an outer surface of a luminance distribution generating layer 18 and a plane orthogonal to the optical axes, there is included a maximum tangential angle a satisfying x>L/2?D/2 when calculating a travel range x of a split image of the light sources in a direction normal to the optical axes using (1) n0 sin(a)=n sin(a??2), (2) n0 sin ?1=n sin ?2 and (3) x=W tan ?1+d tan ?2.Type: GrantFiled: July 25, 2007Date of Patent: August 3, 2010Assignee: Sony CorporationInventors: Mitsunari Hoshi, Shigehiro Yamakita, Shogo Shinkai
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Patent number: 7683980Abstract: An optical element covering member includes: at least one optical element; a support medium supporting the at least one optical element; and a shrinkable covering member covering the at least one optical element and the support medium. In the optical element covering member, among sides forming primary surfaces of the support medium, at least one set of sides facing each other is covered with the covering member, and the following equation (1) is satisfied under conditions at a temperature of 70° C., 0?F?1.65×104×t/L ??(1) where t indicates the thickness of the support medium, L indicates the length of the side of the support medium covered with the covering member, F indicates a tensile force of the covering member, which acts in a direction parallel to the side having the length L.Type: GrantFiled: September 17, 2008Date of Patent: March 23, 2010Assignee: Sony CorporationInventors: Eiji Ohta, Ken Hosoya, Yasuyuki Kudo, Shigehiro Yamakita, Masayasu Kakinuma, Taku Ishimori, Shogo Shinkai
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Publication number: 20100067117Abstract: An optical packaged body capable of preventing generation of a wrinkle, deflection, and warpage, and capable of being thinned is provided. The optical packaged body includes a support medium and a packaging film that covers the support medium in a state of being applied with shrinkage force. The packaging film has an optical function section that acts on light from a light source in at least one of a first region into which the light from the light source enters and a second region from which the light from the light source is emitted after passing through the optical packaged body when the light source is arranged on one face side of the optical packaged body.Type: ApplicationFiled: November 19, 2009Publication date: March 18, 2010Applicant: SONY CORPORATIONInventors: Eiji Ohta, Toru Abiko, Yasuyuki Kudo, Hirokazu Odagiri, Satoshi Sato, Yu Andrew Chakchung, Shogo Shinkai, Taro Omura, Hiroshi Mizuno, Akihiro Horii, Tatsuya Harima
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Publication number: 20100046204Abstract: A surface illuminating device is provided and includes a plurality of linear light sources, a light-transmissive optical sheet including a luminance-distribution control layer for decreasing unevenness in luminance of light emitted from the linear light sources, and a reflection surface for reflecting the light emitted from the linear light sources. The luminance-distribution control layer includes a plurality of protrusions. In a range of 0?x?L/2, protruding directions of some or all the protrusions are inclined such that the protruding directions of the protrusions are located farther from a Z direction, which is an optical axis of a linear light source in an X direction, to the X direction as the protrusions are located farther from the position of x=0 in the X direction, where the X direction represents the arrangement direction of the linear light sources.Type: ApplicationFiled: August 21, 2009Publication date: February 25, 2010Applicant: SONY CORPORATIONInventors: Shogo Shinkai, Akihiro Shibata, Katsuhiro Doi, Satoko Asaoka, Yasuyuki Kudo
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Publication number: 20100039797Abstract: An illuminating apparatus is provided and includes a plurality of point light sources in one plane and a first optical sheet and a second optical sheet overlapped in a region facing the plurality of point light sources. The plurality of point light sources are arranged in a first direction and also arranged in a second direction orthogonal to the first direction. The first optical sheet has a plurality of first three-dimensional structures extending in a direction parallel to the first direction and arranged in a direction parallel to the second direction. The second optical sheet has a plurality of second three-dimensional structures extending in a direction parallel to the second direction and arranged in a direction parallel to the first direction. Each of the second three-dimensional structures has a shape which generates a larger amount of return light from normal incident light as compared with the first three-dimensional structures.Type: ApplicationFiled: August 11, 2009Publication date: February 18, 2010Applicant: SONY CORPORATIONInventors: Shogo Shinkai, Shigehiro Yamakita, Yasuyuki Kudo, Taku Ishimori, Eiji Ohta, Yutaka Muramoto
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Publication number: 20100033651Abstract: Using a distance L between the centers of light sources 12, 12; a refractive index n of an optical element 15; a thickness d of the optical element; a distance W from the center of the light source to the optical element; a refractive index n0 of air; an angle of incidence ?1 of light emitted from the light sources and coming into the optical element, relative to the direction of optical axes; an angle of refraction ?2 of light, incident on the optical element, in the optical element; a diameter of each light source as D; and a maximum tangential angle a formed between a tangential line in contact with an outer surface of a luminance distribution generating layer 18 and a plane orthogonal to the optical axes, there is included a maximum tangential angle a satisfying x>L/2?D/2 when calculating a travel range x of a split image of the light sources in a direction normal to the optical axes using (1) n0 sin(a)=n sin(a??2), (2) n0 sin ?1=n sin ?2 and (3) x=W tan ?1+d tan ?2.Type: ApplicationFiled: July 25, 2007Publication date: February 11, 2010Applicant: SONY CORPORATIONInventors: Mitsunari Hoshi, Shigehiro Yamakita, Shogo Shinkai
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Publication number: 20090310060Abstract: An optical package includes one or two or more film-like or sheet-like optical elements, a plate-like support which supports the one or two or more optical elements, and a film-like or sheet-like packaging member which covers the one or two or more optical elements and the support. The one or two or more optical elements and the support form a stack, the stack and the packaging member are in close contact with each other, and the packaging member has a shrinkage property or a stretching property and contains voids and a filler disposed in the voids.Type: ApplicationFiled: June 10, 2009Publication date: December 17, 2009Applicant: SONY CORPORATIONInventors: Miki Sudo, Eiji Ohta, Tatsuya Harima, Shogo Shinkai, Taro Omura, Kazuhiro Okamoto, Akiko Kakibe, Masayasu Kakinuma
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Patent number: 7633682Abstract: An optical packaged body capable of preventing generation of a wrinkle, deflection, and warpage, capable of being thinned is provided. The optical package body includes a support medium and a packaging film that covers the support medium in a state of being applied with shrinkage force. The packaging film has an optical function section that acts on light from a light source in at least one of a first region into which the light from the light source enters and a second region from which the light from the light source is emitted after passing through the optical packaged body when the light source is arranged on one face side of the optical packaged body.Type: GrantFiled: February 12, 2008Date of Patent: December 15, 2009Assignee: Sony CorporationInventors: Eiji Ohta, Toru Abiko, Yasuyuki Kudo, Hirokazu Odagiri, Satoshi Sato, Andrew Chakchung Yu, Shogo Shinkai, Taro Omura, Hiroshi Mizuno, Akihiro Horii, Tatsuya Harima
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Publication number: 20090207341Abstract: A light control element capable of controlling deflection of light output through a light guide plate to a desired output viewing angle is provided. A light control element (prism sheet) has a plane of incidence on one surface thereof, and a plane of output on the other surface thereof. The plane of incidence is formed as having thereon a number of prism portions arrayed in parallel. Each of the prism portions has a first prism surface allowing incidence of light, and a second prism surface where the light entering through the first prism surface is reflected by total reflection on the inner side. The second prism surface has an outwardly-swelled curved profile, formed with a curvature that allows the light to output through the plane of output at a second output viewing angle wider than a first output viewing angle of a case where the second prism surface is flat.Type: ApplicationFiled: January 17, 2008Publication date: August 20, 2009Applicant: SONY CORPORATIONInventors: Shogo Shinkai, Yasuyuki Kudo, Makoto Aoki, Kiyohiro Kimura, Katsuhiro Doi
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Publication number: 20090079899Abstract: An optical element package includes at least one optical element; a supporting member that supports the at least one optical element; and a packaging component having shrinkability that packages the at least one optical element and the supporting member. The supporting member has two main surfaces having a rectangular shape, and in angle formed between an orientation axis of a main surface portion of the packaging component and a side surface of the supporting member is 8° or less.Type: ApplicationFiled: September 12, 2008Publication date: March 26, 2009Applicant: SONY CORPORATIONInventors: Eiji Ohta, Ken Hosoya, Shigehiro Yamakita, Shogo Shinkai, Masayasu Kakinuma, Taku Ishimori
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Publication number: 20090079900Abstract: An optical element covering member includes: at least one optical element; a support medium supporting the at least one optical element; and a shrinkable covering member covering the at least one optical element and the support medium. In the optical element covering member, among sides forming primary surfaces of the support medium, at least one set of sides facing each other is covered with the covering member, and the following equation (1) is satisfied under conditions at a temperature of 70° C., 0?F?1.65×104×t/L ??(1) where t indicates the thickness of the support medium, L indicates the length of the side of the support medium covered with the covering member, F indicates a tensile force of the covering member, which acts in a direction parallel to the side having the length L.Type: ApplicationFiled: September 17, 2008Publication date: March 26, 2009Applicant: SONY CORPORATIONInventors: Eiji Ohta, Ken Hosoya, Yasuyuki Kudo, Shigehiro Yamakita, Masayasu Kakinuma, Taku Ishimori, Shogo Shinkai
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Publication number: 20090059122Abstract: A surface emitting device includes a plurality of light sources disposed on an identical plane, an optical element having translucent properties and having formed thereon a luminance distribution-forming layer for suppressing luminance variations of light emitted from the plurality of light sources. A reflective surface is provided. for reflecting a light emitted from the plurality of light sources, the reflective surface being disposed opposite to the optical element by sandwiching the plurality of light sources with an air layer in between the reflective surface and the optical element. A diffuser for diffusing the light emitted from the plurality of light sources is disposed opposite to the plurality of light sources by sandwiching the optical element.Type: ApplicationFiled: August 22, 2008Publication date: March 5, 2009Applicant: SONY CORPORATIONInventors: Shogo Shinkai, Shigehiro Yamakita, Taro Omura, Taku Ishimori, Eiji Ohta