Patents by Inventor Tomoko Nango
Tomoko Nango 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).
-
Patent number: 10337682Abstract: A lighting film (1) includes a first base material (2), a plurality of lighting portions (3), and a void portion (9), and if a virtual straight line (F) that passes through a point (C), at which any one light ray of light entering the lighting portion (3) is incident on a reflective surface, and is orthogonal to a first surface (2a) of the first base material (2) marks a boundary between two spaces, a space with the light ray incident on the point (C) of the two spaces is labeled as a first space (S1), and a space without the light ray incident on the point (C) is labeled as a second space (S2), the lighting film (1) has a function of decreasing intensity of light traveling toward the second space (S2) of light emitted from the first base material (2) or the lighting portion (3).Type: GrantFiled: December 22, 2017Date of Patent: July 2, 2019Assignee: SHARP KABUSHIKI KAISHAInventors: Masahiro Tsujimoto, Tsuyoshi Kamada, Shun Ueki, Tomoko Nango, Kazuyoshi Sakuragi
-
Patent number: 9970613Abstract: There is provided a lighting film according to one aspect of the invention including: a first substrate having optical transparency; a plurality of lighting units formed of a plurality of polygonal prism-shaped structures having optical transparency provided on a first surface of the first substrate; and gaps provided between the plurality of lighting units, in which the lighting unit is a polygon which has five vertexes in a sectional shape orthogonal to a longitudinal direction and has all of internal angles smaller than 180°, the lighting unit includes a first side which is one side of the polygon corresponding to a surface contacted with the first substrate, and a plurality of vertexes including a first vertex and a second vertex which are vertexes corresponding to both ends of the first side and a third vertex which is not positioned on the first side, a length of a perpendicular line of the first side passing the third vertex is longer than a length of a perpendicular line of the first side passing a veType: GrantFiled: February 2, 2015Date of Patent: May 15, 2018Assignee: SHARP KABUSHIKI KAISHAInventors: Hideomi Yui, Tsuyoshi Kamada, Tomoko Nango
-
Publication number: 20180119912Abstract: A lighting film (1) includes a first base material (2), a plurality of lighting portions (3), and a void portion (9), and if a virtual straight line (F) that passes through a point (C), at which any one light ray of light entering the lighting portion (3) is incident on a reflective surface, and is orthogonal to a first surface (2a) of the first base material (2) marks a boundary between two spaces, a space with the light ray incident on the point (C) of the two spaces is labeled as a first space (S1), and a space without the light ray incident on the point (C) is labeled as a second space (S2), the lighting film (1) has a function of decreasing intensity of light traveling toward the second space (S2) of light emitted from the first base material (2) or the lighting portion (3).Type: ApplicationFiled: December 22, 2017Publication date: May 3, 2018Inventors: MASAHIRO TSUJIMOTO, TSUYOSHI KAMADA, SHUN UEKI, TOMOKO NANGO, KAZUYOSHI SAKURAGI
-
Patent number: 9885453Abstract: A lighting film (1) includes a first base material (2), a plurality of lighting portions (3), and a void portion (9), and if a virtual straight line (F) that passes through a point (C), at which any one light ray of light entering the lighting portion (3) is incident on a reflective surface, and is orthogonal to a first surface (2a) of the first base material (2) marks a boundary between two spaces, a space with the light ray incident on the point (C) of the two spaces is labeled as a first space (S1), and a space without the light ray incident on the point (C) is labeled as a second space (S2), the lighting film (1) has a function of decreasing intensity of light traveling toward the second space (S2) of light emitted from the first base material (2) or the lighting portion (3).Type: GrantFiled: October 16, 2014Date of Patent: February 6, 2018Assignee: SHARP KABUSHIKI KAISHAInventors: Masahiro Tsujimoto, Tsuyoshi Kamada, Shun Ueki, Tomoko Nango, Kazuyoshi Sakuragi
-
Patent number: 9863593Abstract: A daylighting film (1) according to one aspect of the present invention includes a base member (10) having optical transparency, first projections (11) having optical transparency and formed on an inner surface (10a) of the base member (10), a second projection (12) formed on the inner surface (10a) and having a height from the inner surface (10a) higher than a height of the first projections (11), a protective base member (13) arranged in an opposite relation to the inner surface (10a) of the base member (10), a bonding layer (14) for bonding the second projection (12) and the protective base member (13), and gaps (15) defined between the first projections (11) and between the first projection (11) and the second projection (12), wherein the first projections (11) include reflective surfaces (11c2) at which light incoming from an outer surface (13b) side of the protective base member (13) or the base member (10) is totally reflected.Type: GrantFiled: November 10, 2014Date of Patent: January 9, 2018Assignee: SHARP KABUSHIKI KAISHAInventors: Kazuyoshi Sakuragi, Tsuyoshi Kamada, Shun Ueki, Tomoko Nango, Masahiro Tsujimoto, Yuhsuke Tsuda
-
Patent number: 9810389Abstract: A daylighting device of the present invention is provided with a planar optical member 1 and a support member. The planar optical member 1 is provided with a planar structure body which has a plurality of linear bodies 3 formed of optically transparent materials which are arrayed substantially in parallel and a plurality of binding members which are arranged in a direction which intersects with the plurality of the linear bodies 3 and which bind the plurality of the linear bodies 3 in a state of being arrayed substantially in parallel. The linear bodies 3 have reflective surfaces which reflect light which is incident to the linear body 3 along a direction which intersects with a length direction of the linear body 3 and refractive surfaces which refract the light.Type: GrantFiled: September 25, 2014Date of Patent: November 7, 2017Assignee: Sharp Kabushiki KaishaInventors: Tomoko Nango, Tsuyoshi Kamada, Shun Ueki, Takashi Katayama, Kazuyoshi Sakuragi, Masahiro Tsujimoto, Daisuke Shinozaki
-
Patent number: 9803818Abstract: A lighting film which includes a base member having optical transparency, a plurality of protrusions having optical transparency, which are formed to be adjacent to each other on one surface of the base member, and a gap portion formed between the protrusions, in which an area of an end surface of the protrusion on a base member side is greater than an area of an end surface of the protrusion on a side opposite to the base member, and a ratio s/w of an interval s of two adjacent protrusions among the plurality of protrusions to a width w of the protrusion is equal to or less than 0.1.Type: GrantFiled: June 5, 2014Date of Patent: October 31, 2017Assignee: Sharp Kabushiki KaishaInventors: Tomoko Nango, Shun Ueki, Tsuyoshi Kamada, Kazuyoshi Sakuragi, Masahiro Tsujimoto
-
Publication number: 20170167679Abstract: There is provided a lighting film according to one aspect of the invention including: a first substrate having optical transparency; a plurality of lighting units formed of a plurality of polygonal prism-shaped structures having optical transparency provided on a first surface of the first substrate; and gaps provided between the plurality of lighting units, in which the lighting unit is a polygon which has five vertexes in a sectional shape orthogonal to a longitudinal direction and has all of internal angles smaller than 180°, the lighting unit includes a first side which is one side of the polygon corresponding to a surface contacted with the first substrate, and a plurality of vertexes including a first vertex and a second vertex which are vertexes corresponding to both ends of the first side and a third vertex which is not positioned on the first side, a length of a perpendicular line of the first side passing the third vertex is longer than a length of a perpendicular line of the first side passing a veType: ApplicationFiled: February 2, 2015Publication date: June 15, 2017Inventors: Hideomi YUI, Tsuyoshi KAMADA, Tomoko NANGO
-
Publication number: 20160273724Abstract: A daylighting film (1) according to one aspect of the present invention includes a base member (10) having optical transparency, first projections (11) having optical transparency and formed on an inner surface (10a) of the base member (10), a second projection (12) formed on the inner surface (10a) and having a height from the inner surface (10a) higher than a height of the first projections (11), a protective base member (13) arranged in an opposite relation to the inner surface (10a) of the base member (10), a bonding layer (14) for bonding the second projection (12) and the protective base member (13), and gaps (15) defined between the first projections (11) and between the first projection (11) and the second projection (12), wherein the first projections (11) include reflective surfaces (11c2) at which light incoming from an outer surface (13b) side of the protective base member (13) or the base member (10) is totally reflected.Type: ApplicationFiled: November 10, 2014Publication date: September 22, 2016Inventors: Kazuyoshi SAKURAGI, Tsuyoshi KAMADA, Shun UEKI, Tomoko NANGO, Masahiro TSUJIMOTO, Yuhsuke TSUDA
-
Publication number: 20160252225Abstract: A lighting film (1) includes a first base material (2), a plurality of lighting portions (3), and a void portion (9), and if a virtual straight line (F) that passes through a point (C), at which any one light ray of light entering the lighting portion (3) is incident on a reflective surface, and is orthogonal to a first surface (2a) of the first base material (2) marks a boundary between two spaces, a space with the light ray incident on the point (C) of the two spaces is labeled as a first space (S1), and a space without the light ray incident on the point (C) is labeled as a second space (S2), the lighting film (1) has a function of decreasing intensity of light traveling toward the second space (S2) of light emitted from the first base material (2) or the lighting portion (3).Type: ApplicationFiled: October 16, 2014Publication date: September 1, 2016Inventors: Masahiro TSUJIMOTO, Tsuyoshi KAMADA, Shun UEKI, Tomoko NANGO, Kazuyoshi SAKURAGI
-
Publication number: 20160223154Abstract: A lighting film which includes a base member having optical transparency, a plurality of protrusions having optical transparency, which are formed to be adjacent to each other on one surface of the base member, and a gap portion formed between the protrusions, in which an area of an end surface of the protrusion on a base member side is greater than an area of an end surface of the protrusion on a side opposite to the base member, and a ratio s/w of an interval s of two adjacent protrusions among the plurality of protrusions to a width w of the protrusion is equal to or less than 0.1.Type: ApplicationFiled: June 5, 2014Publication date: August 4, 2016Inventors: Tomoko NANGO, Shun UEKI, Tsuyoshi KAMADA, Kazuyoshi SAKURAGI, Masahiro TSUJIMOTO
-
Publication number: 20160223155Abstract: A daylighting device of the present invention is provided with a planar optical member 1 and a support member. The planar optical member 1 is provided with a planar structure body which has a plurality of linear bodies 3 formed of optically transparent materials which are arrayed substantially in parallel and a plurality of binding members which are arranged in a direction which intersects with the plurality of the linear bodies 3 and which bind the plurality of the linear bodies 3 in a state of being arrayed substantially in parallel. The linear bodies 3 have reflective surfaces which reflect light which is incident to the linear body 3 along a direction which intersects with a length direction of the linear body 3 and refractive surfaces which refract the light.Type: ApplicationFiled: September 25, 2014Publication date: August 4, 2016Inventors: Tomoko NANGO, Tsuyoshi KAMADA, Shun UEKI, Takashi KATAYAMA, Kazuyoshi SAKURAGI, Masahiro TSUJIMOTO, Daisuke SHINOZAKI
-
Publication number: 20140368766Abstract: A display element includes: a light source; a phosphor layer configured to absorb light from the light source as excitation light and generate light in a wavelength region different from a wavelength region of the light source; a functional optical film configured to reflect the light emitted from the phosphor layer; and a light extraction structure having a function of emitting the light emitted from the phosphor layer to a non-light source, wherein the functional optical film is a band pass filter formed of a dielectric multilayer film, and a low refractive index layer is provided between the phosphor layer and the band pass filter, the low refractive index layer having a refractive index lower than those of the phosphor layer and a medium of band pass filter.Type: ApplicationFiled: February 1, 2013Publication date: December 18, 2014Inventors: Satoshi Shibata, Tomoko Nango, Makoto Yamada, Yuka Utsumi
-
Patent number: 8358288Abstract: The present invention relates to a touch-sensor-provided liquid crystal display device (10), the touch-sensor-provided liquid crystal display device (10) including a liquid crystal display panel (20) which includes a plurality of photo sensors (40) for detecting a touched position, and a backlight unit (90) provided on a backside of the liquid crystal display panel (20). The backlight unit (90) emits light at least part of which serves as light (L10) dedicated to sensing which is used for position detection by the plurality of photo sensors (40), and the light (L10) dedicated to sensing travels in a direction (D2) which is different from a direction (D1) toward a main viewer (V) of the liquid crystal display panel (20).Type: GrantFiled: November 28, 2008Date of Patent: January 22, 2013Assignee: Sharp Kabushiki KaishaInventors: Takashi Kurihara, Yasuhiro Kume, Takaaki Okamoto, Tomoko Nango
-
Publication number: 20110102311Abstract: A backlight unit (60) includes: a light guiding plate (64); and a diffusing sheet (70), the backlight unit (60) causing light exiting through a light exit plane (80) thereof to backlight a liquid crystal display element (20), the light exiting through the light exit plane (80), having a half width of not more than 44°.Type: ApplicationFiled: December 12, 2008Publication date: May 5, 2011Inventors: Tomoko Nango, Takashi Kurihara, Yasuhiro Kuma, Masayuki Hata, Takaaki Okamoto, Kazuhito Matsumoto, Koji Yabuta, Hideki Fujimoto, Norikazu Hohshi, Masakazu Wada, Tomohisa Matsushita
-
Publication number: 20110102477Abstract: A backlight unit (60) is provided in such a manner that light (L3) incident from the backlight unit (60) to a liquid crystal display element (20) in a diagonal direction that causes the light to be likely to be emitted from the liquid crystal display element (20) in a normal direction thereof has lower intensity than light (L2) incident from the backlight unit (60) to the liquid crystal display element (20) in another diagonal direction.Type: ApplicationFiled: December 11, 2008Publication date: May 5, 2011Inventors: Tomoko Nango, Takashi Kurihara, Yasuhiro Kume, Masayuki Hata, Takaaki Okamoto, Kazuhito Matsumoto, Koji Yabuta, Hideki Fujimoto, Norikazu Hohshi, Masakazu Wada, Tomohisa Matsushita
-
Publication number: 20100315382Abstract: The present invention relates to a touch-sensor-provided liquid crystal display device (10), the touch-sensor-provided liquid crystal display device (10) including a liquid crystal display panel (20) which includes a plurality of photo sensors (40) for detecting a touched position, and a backlight unit (90) provided on a backside of the liquid crystal display panel (20). The backlight unit (90) emits light at least part of which serves as light (L10) dedicated to sensing which is used for position detection by the plurality of photo sensors (40), and the light (L10) dedicated to sensing travels in a direction (D2) which is different from a direction (D1) toward a main viewer (V) of the liquid crystal display panel (20).Type: ApplicationFiled: November 28, 2008Publication date: December 16, 2010Inventors: Takashi Kurihara, Yasuhiro Kume, Takaaki Okamoto, Tomoko Nango