Patents by Inventor Tetsuro Ochi
Tetsuro Ochi 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: 10627659Abstract: According to one embodiment, a display device includes a liquid crystal display panel, a cover panel on a display surface of the liquid crystal display panel, a backlight unit opposed to the liquid crystal display panel, a case covering the backlight unit and the liquid crystal display panel, and including at least a part fixed to the cover panel, and an adhesive provided on the cover panel along the liquid crystal display panel. The adhesive includes a surface opposite to the cover panel, a first area on the surface, and a second area on the surface, located on an inner side closer to the liquid crystal display panel than the first area. The part of the case is adhered to the second area.Type: GrantFiled: December 19, 2016Date of Patent: April 21, 2020Assignee: Japan Display Inc.Inventors: Tetsuro Ochi, Hiroyuki Sakakura
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Patent number: 10620366Abstract: According to one embodiment, an illumination device includes a light source disposed along a first direction, a light guide plate including a first end and a second end, the second end being positioned to be opposite to the first end in a second direction which crosses the first direction, a frame disposed along the second end and including an inner surface and an upper surface, and an adhesion member disposed on at least the upper surface of the frame, wherein the light source is disposed at the first end along the first direction, at least the inner surface of the frame is a light absorbing surface, and the adhesion member is light transmissive.Type: GrantFiled: July 26, 2019Date of Patent: April 14, 2020Assignee: Japan Display Inc.Inventors: Kazunari Nishita, Ken Sugiyama, Tetsuro Ochi, Toshiyuki Tsubota
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Patent number: 10527877Abstract: According to an aspect, a display device includes: a display panel; a cover panel disposed close to a display surface of the display panel; a housing disposed close to a rear surface of the display panel; and a coupling member coupling the cover panel and the housing to each other. The coupling member includes: a first portion disposed between the cover panel and the display panel, and attached to the cover panel; and a second portion attached to an inside of the housing.Type: GrantFiled: June 22, 2018Date of Patent: January 7, 2020Assignee: Japan Display Inc.Inventors: Tetsuro Ochi, Yasuyuki Hanazawa
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Patent number: 10488577Abstract: An illumination device includes: a first light guide plate including a first and a second scattering portions and a first region not having the first and second scattering portions arranged therein; a second light guide plate including a third and a fourth scattering portions; a first illuminator emitting light to a first side surface of the first light guide plate; a second illuminator emitting light to a second side surface opposite to the first side surface; a third illuminator emitting light to a third side surface of the second light guide plate; and a fourth illuminator emitting light to a fourth side surface opposite to the third side surface. The second light guide plate overlaps the first light guide plate as viewed from a direction of the thicknesses thereof. The third and fourth scattering portions overlap the first region as viewed from the direction of the thicknesses.Type: GrantFiled: June 14, 2018Date of Patent: November 26, 2019Assignee: Japan Display Inc.Inventor: Tetsuro Ochi
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Publication number: 20190346619Abstract: According to one embodiment, an illumination device includes a light source disposed along a first direction, a light guide plate including a first end and a second end, the second end being positioned to be opposite to the first end in a second direction which crosses the first direction, a frame disposed along the second end and including an inner surface and an upper surface, and an adhesion member disposed on at least the upper surface of the frame, wherein the light source is disposed at the first end along the first direction, at least the inner surface of the frame is a light absorbing surface, and the adhesion member is light transmissive.Type: ApplicationFiled: July 26, 2019Publication date: November 14, 2019Inventors: Kazunari Nishita, Ken Sugiyama, Tetsuro Ochi, Toshiyuki Tsubota
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Patent number: 10408994Abstract: According to one embodiment, an illumination device includes a light source disposed along a first direction, a light guide plate including a first end and a second end, the second end being positioned to be opposite to the first end in a second direction which crosses the first direction, a frame disposed along the second end and including an inner surface and an upper surface, and an adhesion member disposed on at least the upper surface of the frame, wherein the light source is disposed at the first end along the first direction, at least the inner surface of the frame is a light absorbing surface, and the adhesion member is light transmissive.Type: GrantFiled: April 24, 2017Date of Patent: September 10, 2019Assignee: Japan Display Inc.Inventors: Kazunari Nishita, Ken Sugiyama, Tetsuro Ochi, Toshiyuki Tsubota
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Publication number: 20190018183Abstract: An illumination device includes: a first light guide plate including a first and a second scattering portions and a first region not having the first and second scattering portions arranged therein; a second light guide plate including a third and a fourth scattering portions; a first illuminator emitting light to a first side surface of the first light guide plate; a second illuminator emitting light to a second side surface opposite to the first side surface; a third illuminator emitting light to a third side surface of the second light guide plate; and a fourth illuminator emitting light to a fourth side surface opposite to the third side surface. The second light guide plate overlaps the first light guide plate as viewed from a direction of the thicknesses thereof. The third and fourth scattering portions overlap the first region as viewed from the direction of the thicknesses.Type: ApplicationFiled: June 14, 2018Publication date: January 17, 2019Inventor: Tetsuro Ochi
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Publication number: 20190018284Abstract: According to one embodiment, a backlight device includes a light guide including an emission surface including a flat area and an inclined area inclined in an out-of-plane direction from an edge of the flat area, a light source emitting light into the light guide, and an optical diffusion sheet on the emission surface. The optical diffusion sheet includes a diffusion flat area overlapping the flat area of the emission surface and a diffusion inclined area overlapping the inclined area of the emission surface, and a haze of the diffusion inclined area is higher than that of the diffusion flat area.Type: ApplicationFiled: July 11, 2018Publication date: January 17, 2019Inventors: Taketoshi Masamoto, Tetsuro Ochi
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Publication number: 20190018275Abstract: According to an aspect, a display device includes: a display panel; a cover panel disposed close to a display surface of the display panel; a housing disposed close to a rear surface of the display panel; and a coupling member coupling the cover panel and the housing to each other. The coupling member includes: a first portion disposed between the cover panel and the display panel, and attached to the cover panel; and a second portion attached to an inside of the housing.Type: ApplicationFiled: June 22, 2018Publication date: January 17, 2019Inventors: Tetsuro Ochi, Yasuyuki Hanazawa
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Patent number: 10156746Abstract: According to one embodiment, a liquid crystal display device includes a liquid crystal display panel, a cover panel, a container case fixed to the cover panel and covering the liquid crystal display panel, and a backlight unit disposed in the container case and opposed to the liquid crystal display panel. The container case includes a bottom wall, and a sidewall directly opposed to at least one edge of the backlight unit with a gap interposed therebetween. At least one of a reflective sheet, light guide plate, and optical sheet of the backlight unit is opposed to the sidewall of the container case with the gap interposed therebetween, and is contained in the container case in a relatively displaceable manner with respect to the container case and the liquid crystal display panel.Type: GrantFiled: August 23, 2017Date of Patent: December 18, 2018Assignee: Japan Display Inc.Inventors: Yoshihiro Samurada, Atsushi Nakamura, Tetsuro Ochi, Hiroyuki Sakakura
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Publication number: 20180321543Abstract: According to one embodiment, a backlight device includes a frame formed of a sheet material, a first adhesive layer provided on one surface of the frame, a reflective sheet attached to the frame with the first adhesive layer, an optical member disposed on the reflective sheet in the frame, and a light source disposed in the frame and configured to emit light to the optical member. In at least a part of the frame, a width of the frame and a width of the first adhesive layer are equal to each other, and at least an external surface of the frame and an external surface of the first adhesive layer are flush with each other.Type: ApplicationFiled: June 27, 2018Publication date: November 8, 2018Inventors: Tetsuro OCHI, Ken SUGIYAMA, Toshiyuki TSUBOTA, Kazunari NISHITA
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Patent number: 10120123Abstract: According to one embodiment, a container case accommodating an optical member includes a bottom wall, sidewalls provided to stand along side edges of the bottom wall, and flanges extending from the sidewalls. The container case is formed of a reflective sheet or reflective film.Type: GrantFiled: June 15, 2016Date of Patent: November 6, 2018Assignee: Japan Display Inc.Inventors: Tetsuro Ochi, Hiroyuki Sakakura
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Patent number: 10061077Abstract: A backlight device includes a frame formed of a transparent resin, a first diffusion adhesive layer with a light diffusion, provided on a first surface of the frame, a second diffusion adhesive layer with a light diffusion, provided on a second surface of the frame which is opposite to the first surface, a reflecting sheet adhered to the frame with the first diffusion adhesive layer, a light guide plate on the reflecting sheet in the frame, and a light source disposed in the frame to irradiate light to the light guide plate.Type: GrantFiled: December 30, 2016Date of Patent: August 28, 2018Assignee: Japan Display Inc.Inventor: Tetsuro Ochi
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Patent number: 10025128Abstract: According to one embodiment, a backlight device includes a frame formed of a sheet material, a first adhesive layer provided on one surface of the frame, a reflective sheet attached to the frame with the first adhesive layer, an optical member disposed on the reflective sheet in the frame, and a light source disposed in the frame and configured to emit light to the optical member. In at least a part of the frame, a width of the frame and a width of the first adhesive layer are equal to each other, and at least an external surface of the frame and an external surface of the first adhesive layer are flush with each other.Type: GrantFiled: November 17, 2016Date of Patent: July 17, 2018Assignee: Japan Display Inc.Inventors: Tetsuro Ochi, Ken Sugiyama, Toshiyuki Tsubota, Kazunari Nishita
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Patent number: 9946104Abstract: According to one embodiment, a display device includes a cover panel, a display panel opposed to the cover panel, an adhesive layer provided between the cover panel and the display panel and attaching the display panel to the cover panel, the adhesive layer including a first area to which the display panel is fixed and a second area located further outward than an outer periphery of the display panel, a backlight unit opposed to the display panel, and a case containing the display panel and the backlight unit, at least a part of the case being fixed to the cover panel by the second area of the adhesive layer.Type: GrantFiled: December 21, 2016Date of Patent: April 17, 2018Assignee: Japan Display Inc.Inventors: Tetsuro Ochi, Hiroyuki Sakakura
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Publication number: 20170351137Abstract: According to one embodiment, a liquid crystal display device includes a liquid crystal display panel, a cover panel, a container case fixed to the cover panel and covering the liquid crystal display panel, and a backlight unit disposed in the container case and opposed to the liquid crystal display panel. The container case includes a bottom wall, and a sidewall directly opposed to at least one edge of the backlight unit with a gap interposed therebetween. At least one of a reflective sheet, light guide plate, and optical sheet of the backlight unit is opposed to the sidewall of the container case with the gap interposed therebetween, and is contained in the container case in a relatively displaceable manner with respect to the container case and the liquid crystal display panel.Type: ApplicationFiled: August 23, 2017Publication date: December 7, 2017Inventors: Yoshihiro SAMURADA, Atsushi NAKAMURA, Tetsuro OCHI, Hiroyuki SAKAKURA
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Publication number: 20170315291Abstract: According to one embodiment, an illumination device includes a light source disposed along a first direction, a light guide plate including a first end and a second end, the second end being positioned to be opposite to the first end in a second direction which crosses the first direction, a frame disposed along the second end and including an inner surface and an upper surface, and an adhesion member disposed on at least the upper surface of the frame, wherein the light source is disposed at the first end along the first direction, at least the inner surface of the frame is a light absorbing surface, and the adhesion member is light transmissive.Type: ApplicationFiled: April 24, 2017Publication date: November 2, 2017Inventors: Kazunari Nishita, Ken Sugiyama, Tetsuro Ochi, Toshiyuki Tsubota
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Patent number: 9759938Abstract: According to one embodiment, a liquid crystal display device includes a liquid crystal display panel, a cover panel, a container case fixed to the cover panel and covering the liquid crystal display panel, and a backlight unit disposed in the container case and opposed to the liquid crystal display panel. The container case includes a bottom wall, and a sidewall directly opposed to at least one edge of the backlight unit with a gap interposed therebetween. At least one of a reflective sheet, light guide plate, and optical sheet of the backlight unit is opposed to the sidewall of the container case with the gap interposed therebetween, and is contained in the container case in a relatively displaceable manner with respect to the container case and the liquid crystal display panel.Type: GrantFiled: October 22, 2015Date of Patent: September 12, 2017Assignee: Japan Display Inc.Inventors: Yoshihiro Samurada, Atsushi Nakamura, Tetsuro Ochi, Hiroyuki Sakakura
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Publication number: 20170199322Abstract: According to one embodiment, a backlight device includes a frame formed of a transparent resin, a first diffusion adhesive layer with a light diffusion, provided on a first surface of the frame, a second diffusion adhesive layer with a light diffusion, provided on a second surface of the frame which is opposite to the first surface, a reflecting sheet adhered to the frame with the first diffusion adhesive layer, a lightguide plate on the reflecting sheet in the frame, and a light source disposed in the frame to irradiate light to the lightguide plate.Type: ApplicationFiled: December 30, 2016Publication date: July 13, 2017Inventor: Tetsuro OCHI
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Publication number: 20170184912Abstract: According to one embodiment, a display device includes a cover panel, a display panel opposed to the cover panel, an adhesive layer provided between the cover panel and the display panel and attaching the display panel to the cover panel, the adhesive layer including a first area to which the display panel is fixed and a second area located further outward than an outer periphery of the display panel, a backlight unit opposed to the display panel, and a case containing the display panel and the backlight unit, at least a part of the case being fixed to the cover panel by the second area of the adhesive layer.Type: ApplicationFiled: December 21, 2016Publication date: June 29, 2017Inventors: Tetsuro OCHI, Hiroyuki SAKAKURA