Patents by Inventor Shigenori Aoki
Shigenori Aoki 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: 11841582Abstract: A display device is provided and including a backlight device including a plurality of light sources; a display panel disposed to oppose the backlight device and incline with respect to a direction perpendicular to an optical axis of the backlight device; a first diffusion plate between the display panel and the backlight device; and a second diffusion plate arranged at a predetermined angle with respect to the first diffusion plate.Type: GrantFiled: January 8, 2021Date of Patent: December 12, 2023Assignee: Japan Display Inc.Inventors: Tsutomu Harada, Shigenori Aoki, Koji Yoshida, Masayuki Mifune
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Patent number: 11605357Abstract: According to one embodiment, a display device includes a display panel including a first sub display area and a second sub display area, and an illumination device, wherein the illumination device includes a first light source opposed to the first sub display area, a second light source opposed to the second sub display area, and a partition positioned between the first and second light sources and the display panel, and the partition includes a first side surface surrounding the first light source, a second side surface surrounding the second light source, and a connector which connects the first side surface and the second side surface, and the connector is formed of curved surfaces, or two or more flat surfaces, or a combination of curved surfaces and flat surfaces.Type: GrantFiled: July 11, 2022Date of Patent: March 14, 2023Assignee: Japan Display Inc.Inventors: Shigenori Aoki, Tatsuya Yata, Tsutomu Harada
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Publication number: 20220343868Abstract: According to one embodiment, a display device includes a display panel including a first sub display area and a second sub display area, and an illumination device, wherein the illumination device includes a first light source opposed to the first sub display area, a second light source opposed to the second sub display area, and a partition positioned between the first and second light sources and the display panel, and the partition includes a first side surface surrounding the first light source, a second side surface surrounding the second light source, and a connector which connects the first side surface and the second side surface, and the connector is formed of curved surfaces, or two or more flat surfaces, or a combination of curved surfaces and flat surfaces.Type: ApplicationFiled: July 11, 2022Publication date: October 27, 2022Inventors: Shigenori Aoki, Tatsuya Yata, Tsutomu Harada
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Publication number: 20220260834Abstract: According to an aspect, a display device includes: a display panel; a first optical component serving as a switchable optical component capable of being switched between a reflection state and a transmission state of light by a reflection surface thereof; and a second optical component. The reflection surface of the first optical component that faces the display panel is arranged on a light path extending from the display panel. The second optical component has a reflection surface. The reflection surface of the second optical component is on a path of light reflected by the first optical component.Type: ApplicationFiled: May 9, 2022Publication date: August 18, 2022Inventor: Shigenori AOKI
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Patent number: 11417286Abstract: According to one embodiment, a display device includes a display panel including a first sub display area and a second sub display area, and an illumination device, wherein the illumination device includes a first light source opposed to the first sub display area, a second light source opposed to the second sub display area, and a partition positioned between the first and second light sources and the display panel, and the partition includes a first side surface surrounding the first light source, a second side surface surrounding the second light source, and a connector which connects the first side surface and the second side surface, and the connector is formed of curved surfaces, or two or more flat surfaces, or a combination of curved surfaces and flat surfaces.Type: GrantFiled: February 17, 2021Date of Patent: August 16, 2022Assignee: Japan Display Inc.Inventors: Shigenori Aoki, Tatsuya Yata, Tsutomu Harada
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Patent number: 11348541Abstract: According to one embodiment, a display device includes a display panel including a first sub display area and a second sub display area, and an illumination device, wherein the illumination device includes a first light source opposed to the first sub display area, a second light source opposed to the second sub display area, and a partition positioned between the first and second light sources and the display panel, and the partition includes a first side surface surrounding the first light source, a second side surface surrounding the second light source, and a connector which connects the first side surface and the second side surface, and the connector is formed of curved surfaces, or two or more flat surfaces, or a combination of curved surfaces and flat surfaces.Type: GrantFiled: January 9, 2020Date of Patent: May 31, 2022Assignee: Japan Display Inc.Inventors: Shigenori Aoki, Tatsuya Yata, Tsutomu Harada
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Patent number: 11294173Abstract: According to one embodiment, a display device includes a display panel, a backlight device including a plurality of light sources, to irradiate light to the display panel, and an optical element provided on an emission side of the display panel and inclined with respect to a direction perpendicular to an optical axis of the display panel.Type: GrantFiled: November 27, 2018Date of Patent: April 5, 2022Assignee: Japan Display Inc.Inventors: Tsutomu Harada, Shigenori Aoki, Koji Yoshida, Masayuki Mifune, Kazunori Yamaguchi
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Patent number: 11249343Abstract: A display device is provided and includes display panel; and illumination device opposed to display panel, illumination device including first light guide, second light guide arranged adjacent to first light guide in first direction, third light guide arranged adjacent to first light guide in second direction intersecting first direction, and fourth light guide arranged adjacent to second light guide in the second direction, light diffusion layer disposed between display panel and each of the first, second, third, and fourth light guides, wherein light diffusion layer exhibit first diffusion degree in first direction and second diffusion degree in second direction, second diffusion degree is different from the first diffusion degree, illumination device includes first ridge between first and second light guides and second ridge between first and third light guides, and under light diffusion layer, first brightness in first ridge is different from second brightness in second ridge.Type: GrantFiled: February 22, 2021Date of Patent: February 15, 2022Assignee: Japan Display Inc.Inventors: Tatsuya Yata, Shigenori Aoki
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Publication number: 20210173257Abstract: A display device is provided and includes display panel; and illumination device opposed to display panel, illumination device including first light guide, second light guide arranged adjacent to first light guide in first direction, third light guide arranged adjacent to first light guide in second direction intersecting first direction, and fourth light guide arranged adjacent to second light guide in the second direction, light diffusion layer disposed between display panel and each of the first, second, third, and fourth light guides, wherein light diffusion layer exhibit first diffusion degree in first direction and second diffusion degree in second direction, second diffusion degree is different from the first diffusion degree, illumination device includes first ridge between first and second light guides and second ridge between first and third light guides, and under light diffusion layer, first brightness in first ridge is different from second brightness in second ridge.Type: ApplicationFiled: February 22, 2021Publication date: June 10, 2021Inventors: Tatsuya YATA, Shigenori AOKI
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Publication number: 20210166639Abstract: According to one embodiment, a display device includes a display panel including a first sub display area and a second sub display area, and an illumination device, wherein the illumination device includes a first light source opposed to the first sub display area, a second light source opposed to the second sub display area, and a partition positioned between the first and second light sources and the display panel, and the partition includes a first side surface surrounding the first light source, a second side surface surrounding the second light source, and a connector which connects the first side surface and the second side surface, and the connector is formed of curved surfaces, or two or more flat surfaces, or a combination of curved surfaces and flat surfaces.Type: ApplicationFiled: February 17, 2021Publication date: June 3, 2021Inventors: Shigenori Aoki, Tatsuya Yata, Tsutomu Harada
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Publication number: 20210132442Abstract: A display device is provided and including a backlight device including a plurality of light sources; a display panel disposed to oppose the backlight device and incline with respect to a direction perpendicular to an optical axis of the backlight device; a first diffusion plate between the display panel and the backlight device; and a second diffusion plate arranged at a predetermined angle with respect to the first diffusion plate.Type: ApplicationFiled: January 8, 2021Publication date: May 6, 2021Inventors: Tsutomu HARADA, Shigenori AOKI, Koji YOSHIDA, Masayuki MIFUNE
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Patent number: 10957263Abstract: According to one embodiment, a display device includes a display panel including a first sub display area and a second sub display area, and an illumination device, wherein the illumination device includes a first light source opposed to the first sub display area, a second light source opposed to the second sub display area, and a partition positioned between the first and second light sources and the display panel, and the partition includes a first side surface surrounding the first light source, a second side surface surrounding the second light source, and a connector which connects the first side surface and the second side surface, and the connector is formed of curved surfaces, or two or more flat surfaces, or a combination of curved surfaces and flat surfaces.Type: GrantFiled: January 9, 2020Date of Patent: March 23, 2021Assignee: JAPAN DISPLAY INC.Inventors: Shigenori Aoki, Tatsuya Yata, Tsutomu Harada
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Patent number: 10928671Abstract: According to one embodiment, a display device includes a display panel including a first sub-display area and a second sub-display area and an illumination device which illuminates the display panel, the illumination device including a first light guide opposing the first sub-display area, a second light guide opposing the second sub-display area, and a light diffusion layer disposed between the display panel and each of the first light guide and the second light guide, the light diffusion layer exhibiting a first diffusion degree in a first direction along which the first light guide and the second light guide are arranged, which is higher than a second diffusion degree in a second direction crossing the first direction.Type: GrantFiled: November 3, 2017Date of Patent: February 23, 2021Assignee: Japan Display Inc.Inventors: Tatsuya Yata, Shigenori Aoki
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Patent number: 10895782Abstract: According to one embodiment, a display device includes a backlight device including a plurality of light sources, a display panel disposed to oppose the backlight device and incline with respect to a direction perpendicular to an optical axis of the backlight device and a diffusion plate provided between the display panel and the backlight device.Type: GrantFiled: September 26, 2018Date of Patent: January 19, 2021Assignee: Japan Display Inc.Inventors: Tsutomu Harada, Shigenori Aoki, Koji Yoshida, Masayuki Mifune
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Publication number: 20200152139Abstract: According to one embodiment, a display device includes a display panel including a first sub display area and a second sub display area, and an illumination device, wherein the illumination device includes a first light source opposed to the first sub display area, a second light source opposed to the second sub display area, and a partition positioned between the first and second light sources and the display panel, and the partition includes a first side surface surrounding the first light source, a second side surface surrounding the second light source, and a connector which connects the first side surface and the second side surface, and the connector is formed of curved surfaces, or two or more flat surfaces, or a combination of curved surfaces and flat surfaces.Type: ApplicationFiled: January 9, 2020Publication date: May 14, 2020Inventors: Shigenori Aoki, Tatsuya Yata, Tsutomu Harada
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Patent number: 10573252Abstract: According to one embodiment, a display device includes a display panel including a first sub display area and a second sub display area, and an illumination device, wherein the illumination device includes a first light source opposed to the first sub display area, a second light source opposed to the second sub display area, and a partition positioned between the first and second light sources and the display panel, and the partition includes a first side surface surrounding the first light source, a second side surface surrounding the second light source, and a connector which connects the first side surface and the second side surface, and the connector is formed of curved surfaces, or two or more flat surfaces, or a combination of curved surfaces and flat surfaces.Type: GrantFiled: May 18, 2017Date of Patent: February 25, 2020Assignee: Japan Display Inc.Inventors: Shigenori Aoki, Tatsuya Yata, Tsutomu Harada
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Patent number: 10345508Abstract: According to one embodiment, an illumination device includes a light source, clad, and a plurality of cores. The clad includes a first edge at a light source side, a second edge opposite to the first edge, and a plurality of grooves formed by a plurality of partitions extending in parallel to each other from the first edge to the second edge. The cores are accommodated in the grooves, and each core includes an incident surface on which light from the light source is incident and an exit surface exposed from the groove to emit the light incident on the incident surface.Type: GrantFiled: January 25, 2018Date of Patent: July 9, 2019Assignee: Japan Display Inc.Inventors: Shigenori Aoki, Susumu Kimura, Tsutomu Harada, Naoyuki Takasaki
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Publication number: 20190162960Abstract: According to one embodiment, a display device includes a display panel, a backlight device including a plurality of light sources, to irradiate light to the display panel, and an optical element provided on an emission side of the display panel and inclined with respect to a direction perpendicular to an optical axis of the display panel.Type: ApplicationFiled: November 27, 2018Publication date: May 30, 2019Inventors: Tsutomu HARADA, Shigenori AOKI, Koji YOSHIDA, Masayuki MIFUNE, Kazunori YAMAGUCHI
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Publication number: 20190094620Abstract: According to one embodiment, a display device includes a backlight device including a plurality of light sources, a display panel disposed to oppose the backlight device and incline with respect to a direction perpendicular to an optical axis of the backlight device and a diffusion plate provided between the display panel and the backlight device.Type: ApplicationFiled: September 26, 2018Publication date: March 28, 2019Inventors: Tsutomu HARADA, Shigenori AOKI, Koji YOSHIDA, Masayuki MIFUNE
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Patent number: 10140933Abstract: According to an aspect, a display apparatus includes: a plurality of light sources; a display device irradiated with light from the light sources; and a controller. The display area includes a plurality of partial areas corresponding to the light sources on a one-to-one basis. Each of the partial areas includes a first area and a second area, the first area being irradiated with light from a first light source that corresponds thereto, and the second area being irradiated with light from the first light source and a second light source adjacent to the first light source. The controller controls an operation of the first light source based on whether the first area requires the light from the first light source and whether the second area obtains light required for display output by receiving the light from the second light source.Type: GrantFiled: April 25, 2017Date of Patent: November 27, 2018Assignee: Japan Display Inc.Inventors: Kazuhiko Sako, Naoyuki Takasaki, Tsutomu Harada, Tatsuya Yata, Shigenori Aoki