Patents by Inventor Yoko Fukunaga
Yoko Fukunaga 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: 11953315Abstract: A vehicle wheel assembly position measurement apparatus measures, at each of at least three measurement positions in a circumferential direction, a distance in a vehicle width direction between each of plural measurement points located on a specified line that crosses a lateral surface of a tire section from an inner circumferential end to an outer circumferential end and a respective one of distance measuring instruments, calculates an approximate curve indicating a relationship between a position in an extending direction of the specified line and the distance of each of the measurement points at the respective measurement position, calculates a rotation center position of a wheel assembly from a specific position of the approximate curve at the measurement position, and calculates a height position of the wheel assembly relative to a vehicle body from the rotation center position and a height position of a specified portion of the vehicle body.Type: GrantFiled: September 3, 2020Date of Patent: April 9, 2024Assignee: MAZDA MOTOR CORPORATIONInventors: Taiga Inoue, Akira Fukunaga, Yoko Doi
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Publication number: 20210313670Abstract: According to one embodiment, an electronic device includes a display panel, an antenna wiring substrate opposed to the display panel and including an antenna wiring line forming an antenna and a signal wiring line provided on the antenna wiring substrate and supplying a drive signal to the display panel.Type: ApplicationFiled: June 18, 2021Publication date: October 7, 2021Applicant: Japan Display Inc.Inventors: Hiroki TAGA, Yoko FUKUNAGA, Nobuhiro HOSOKAWA
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Patent number: 10527893Abstract: A pixel array substrate structure includes: first and second planarizing films sequentially stacked on a substrate where a circuit unit is formed; and a relay wire formed between the first and second planarizing films, in which the relay wire electrically connects a first contact portion formed on the first planarizing film and connected to the circuit unit with a second contact portion formed at a position different from the first contact portion when seen from above, on the second planarizing film.Type: GrantFiled: March 13, 2018Date of Patent: January 7, 2020Assignee: Japan Display Inc.Inventors: Koichi Nagasawa, Masaya Tamaki, Shuji Hayashi, Masaaki Kabe, Yoko Fukunaga
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Patent number: 10359664Abstract: A display device includes a display surface with pixels including four sub-pixels of four colors, and being arrayed in a matrix of a first viewing angle direction and a second viewing angle direction orthogonal thereto. The first viewing angle direction in a direction parallel to the display surface of a main viewing angle direction that intersects with the display surface. A reflective member, first substrate, a second substrate facing the first substrate, a color filter with filters of four colors corresponding to the four sub-pixels, and a scattering member is provided on the second substrate. For the color filter, a change in transmittance of the filters per pixel in the main viewing angle direction is smaller than a change in transmittance of the filters per pixel in a direction orthogonal to the first viewing angle direction in the second viewing angle direction parallel to the display surface.Type: GrantFiled: April 18, 2018Date of Patent: July 23, 2019Assignee: Japan Display Inc.Inventors: Masaya Tamaki, Yoko Fukunaga, Masashi Mitsui, Susumu Kimura
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Patent number: 10191322Abstract: A display capable of obtaining high luminance in white display and an electronic unit are provided. The display includes: a reflective display panel; and an optical laminate disposed on the display panel, in which the optical laminate includes a plurality of anisotropic scattering films, and transmittances in a scattering central axis direction of two or more films of the plurality of anisotropic scattering films are different from each other.Type: GrantFiled: November 12, 2015Date of Patent: January 29, 2019Assignee: Japan Display Inc.Inventors: Masaya Tamaki, Yoko Fukunaga
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Publication number: 20180239188Abstract: A display device includes a display surface with pixels including four sub-pixels of four colors, and being arrayed in a matrix of a first viewing angle direction and a second viewing angle direction orthogonal thereto. The first viewing angle direction in a direction parallel to the display surface of a main viewing angle direction that intersects with the display surface. A reflective member, first substrate, a second substrate facing the first substrate, a color filter with filters of four colors corresponding to the four sub-pixels, and a scattering member is provided on the second substrate. For the color filter, a change in transmittance of the filters per pixel in the main viewing angle direction is smaller than a change in transmittance of the filters per pixel in a direction orthogonal to the first viewing angle direction in the second viewing angle direction parallel to the display surface.Type: ApplicationFiled: April 18, 2018Publication date: August 23, 2018Inventors: Masaya TAMAKI, Yoko FUKUNAGA, Masashi MITSUI, Susumu KIMURA
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Patent number: 10048548Abstract: A pixel array substrate structure includes: first and second planarizing films sequentially stacked on a substrate where a circuit unit is formed; and a relay wire formed between the first and second planarizing films, in which the relay wire electrically connects a first contact portion formed on the first planarizing film and connected to the circuit unit with a second contact portion formed at a position different from the first contact portion when seen from above, on the second planarizing film.Type: GrantFiled: November 30, 2015Date of Patent: August 14, 2018Assignee: Japan Display Inc.Inventors: Koichi Nagasawa, Masaya Tamaki, Shuji Hayashi, Masaaki Kabe, Yoko Fukunaga
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Patent number: 10048527Abstract: A reflective liquid crystal display device includes a first substrate provided with a reflective electrode, a second substrate provided with a transparent electrode, a liquid crystal layer disposed between the first substrate and the second substrate, and an anisotropic scattering member formed on the second substrate. The anisotropic scattering member has first and second surfaces each including a first refractive index region and a second refractive index region having a refractive index different from that of the first refractive index region. A refractive index difference between the first refractive index region and the second refractive index region in the first surface is larger than that in the second surface. The anisotropic scattering member is disposed so that light enters from the first surface thereof and the light exits as scattered light from the second surface thereof. A phase difference is given to the light entered the anisotropic scattering member.Type: GrantFiled: August 26, 2016Date of Patent: August 14, 2018Assignee: Japan Display Inc.Inventors: Masashi Mitsui, Yoko Fukunaga
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Publication number: 20180203307Abstract: A pixel array substrate structure includes: first and second planarizing films sequentially stacked on a substrate where a circuit unit is formed; and a relay wire formed between the first and second planarizing films, in which the relay wire electrically connects a first contact portion formed on the first planarizing film and connected to the circuit unit with a second contact portion formed at a position different from the first contact portion when seen from above, on the second planarizing film.Type: ApplicationFiled: March 13, 2018Publication date: July 19, 2018Inventors: Koichi Nagasawa, Masaya Tamaki, Shuji Hayashi, Masaaki Kabe, Yoko Fukunaga
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Patent number: 10025145Abstract: According to an aspect, a display device includes a plurality of pixels each including a plurality of sub-pixels. Each of the sub-pixels is arranged around center of the corresponding pixel and divided into a plurality of display regions to perform N-bit area coverage modulation by a combination of the display regions. The display regions are arranged in such a manner that: a display region corresponding to a least significant bit of the area coverage modulation is arranged closest to the center of the corresponding pixel; and a display region corresponding to a higher significant bit of the area coverage modulation is arranged around the center of the pixel and further from the center of the corresponding pixel (N is a natural number of 2 or more).Type: GrantFiled: October 28, 2016Date of Patent: July 17, 2018Assignee: Japan Display Inc.Inventors: Masaya Tamaki, Yoko Fukunaga
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Patent number: 9971190Abstract: According to an aspect, a display device includes: a display surface on which pixels each including sub-pixels of a plurality of colors are two-dimensionally arrayed; a reflective member; a first substrate provided with the reflective member; a second substrate arranged to face the first substrate; a color filter provided with filters of at least two colors corresponding to the sub-pixels; and a scattering member provided on the second substrate. A main viewing angle direction of the display device is a direction intersecting with the display surface. The color filter is formed such that a change in transmittance of the filters per pixel in the main viewing angle direction is smaller than a change in transmittance of the filters per pixel in a direction orthogonal to the main viewing angle direction in a direction parallel to the display surface.Type: GrantFiled: April 12, 2016Date of Patent: May 15, 2018Assignee: Japan Display Inc.Inventors: Masaya Tamaki, Yoko Fukunaga, Masashi Mitsui, Susumu Kimura
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Patent number: 9972255Abstract: According to an aspect, a display device includes: an image display panel in which pixels are arranged in a two-dimensional matrix, each of the pixels including a first sub-pixel displaying a first color, a second sub-pixel displaying a second color, a third sub-pixel displaying a third color, and a fourth sub-pixel displaying a fourth color; and a signal processing unit that converts input values of input signals into extended values in an extended color space to generate output signals, and outputs the generated output signals to the image display panel. The signal processing unit changes the output signals for the first to fourth sub-pixels based on at least saturation of the input signals.Type: GrantFiled: May 28, 2015Date of Patent: May 15, 2018Assignee: Japan Display Inc.Inventors: Masaaki Kabe, Toshiyuki Nagatsuma, Amane Higashi, Yoko Fukunaga
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Publication number: 20170205663Abstract: According to an aspect, a reflective liquid-crystal display device includes a liquid-crystal panel and a front light unit. The liquid-crystal panel includes a sheet-like anisotropic scattering member having low refractive index areas and high refractive index areas with a refractive index higher than that of the low refractive index areas. The front light unit includes a light guide plate laminated on the liquid-crystal panel and having a number of grooves formed on a surface facing the liquid-crystal panel at a pitch of equal to or smaller than 100 ?m and a light source that makes light incident on the light guide plate. An arrangement interval of the unit pixels is larger than an average of an arrangement interval of the high refractive index area of the anisotropic scattering member.Type: ApplicationFiled: April 4, 2017Publication date: July 20, 2017Inventors: Yoko FUKUNAGA, Susumu KIMURA
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Patent number: 9645443Abstract: According to an aspect, a reflective liquid-crystal display device includes a liquid-crystal panel and a front light unit. The liquid-crystal panel includes a sheet-like anisotropic scattering member having low refractive index areas and high refractive index areas with a refractive index higher than that of the low refractive index areas. The front light unit includes a light guide plate laminated on the liquid-crystal panel and having a number of grooves formed on a surface facing the liquid-crystal panel at a pitch of equal to or smaller than 100 ?m and a light source that makes light incident on the light guide plate. An arrangement interval of the unit pixels is larger than an average of an arrangement interval of the high refractive index area of the anisotropic scattering member.Type: GrantFiled: March 19, 2014Date of Patent: May 9, 2017Assignee: Japan Display Inc.Inventors: Yoko Fukunaga, Susumu Kimura
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Publication number: 20170045786Abstract: According to an aspect, a display device includes a plurality of pixels each including a plurality of sub-pixels. Each of the sub-pixels is arranged around center of the corresponding pixel and divided into a plurality of display regions to perform N-bit area coverage modulation by a combination of the display regions. The display regions are arranged in such a manner that: a display region corresponding to a least significant bit of the area coverage modulation is arranged closest to the center of the corresponding pixel; and a display region corresponding to a higher significant bit of the area coverage modulation is arranged around the center of the pixel and further from the center of the corresponding pixel (N is a natural number of 2 or more).Type: ApplicationFiled: October 28, 2016Publication date: February 16, 2017Inventors: Masaya Tamaki, Yoko Fukunaga
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Publication number: 20160363807Abstract: A reflective liquid crystal display device includes a first substrate provided with a reflective electrode, a second substrate provided with a transparent electrode, a liquid crystal layer disposed between the first substrate and the second substrate, and an anisotropic scattering member formed on the second substrate. The anisotropic scattering member has first and second surfaces each including a first refractive index region and a second refractive index region having a refractive index different from that of the first refractive index region. A refractive index difference between the first refractive index region and the second refractive index region in the first surface is larger than that in the second surface. The anisotropic scattering member is disposed so that light enters from the first surface thereof and the light exits as scattered light from the second surface thereof. A phase difference is given to the light entered the anisotropic scattering member.Type: ApplicationFiled: August 26, 2016Publication date: December 15, 2016Inventors: Masashi MITSUI, Yoko FUKUNAGA
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Patent number: 9507203Abstract: According to an aspect, a display device includes a plurality of pixels each including a plurality of sub-pixels. Each of the sub-pixels is arranged around center of the corresponding pixel and divided into a plurality of display regions to perform N-bit area coverage modulation by a combination of the display regions. The display regions are arranged in such a manner that: a display region corresponding to a least significant bit of the area coverage modulation is arranged closest to the center of the corresponding pixel; and a display region corresponding to a higher significant bit of the area coverage modulation is arranged around the center of the pixel and further from the center of the corresponding pixel (N is a natural number of 2 or more).Type: GrantFiled: March 5, 2014Date of Patent: November 29, 2016Assignee: Japan Display Inc.Inventors: Masaya Tamaki, Yoko Fukunaga
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Patent number: 9448430Abstract: A reflective liquid crystal display device includes a first substrate provided with a reflective electrode, a second substrate provided with a transparent electrode, a liquid crystal layer disposed between the first substrate and the second substrate, and an anisotropic scattering member formed on the second substrate. The anisotropic scattering member has first and second surfaces each including a first refractive index region and a second refractive index region having a refractive index different from that of the first refractive index region. A refractive index difference between the first refractive index region and the second refractive index region in the first surface is larger than that in the second surface. The anisotropic scattering member is disposed so that light enters from the first surface thereof and the light exits as scattered light from the second surface thereof. A phase difference is given to the light entered the anisotropic scattering member.Type: GrantFiled: January 23, 2014Date of Patent: September 20, 2016Assignee: Japan Display Inc.Inventors: Masashi Mitsui, Yoko Fukunaga
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Publication number: 20160223861Abstract: According to an aspect, a display device includes: a display surface on which pixels each including sub-pixels of a plurality of colors are two-dimensionally arrayed; a reflective member; a first substrate provided with the reflective member; a second substrate arranged to face the first substrate; a color filter provided with filters of at least two colors corresponding to the sub-pixels; and a scattering member provided on the second substrate. A main viewing angle direction of the display device is a direction intersecting with the display surface. The color filter is formed such that a change in transmittance of the filters per pixel in the main viewing angle direction is smaller than a change in transmittance of the filters per pixel in a direction orthogonal to the main viewing angle direction in a direction parallel to the display surface.Type: ApplicationFiled: April 12, 2016Publication date: August 4, 2016Inventors: Masaya Tamaki, Yoko FUKUNAGA, Masashi MITSUI, Susumu KIMURA
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Patent number: 9348172Abstract: According to an aspect, a transflective liquid crystal display device includes: a first substrate on which reflective electrodes are arranged for pixels; a second substrate on which a transparent electrode is provided; a liquid crystal layer between the first and the second substrates; and a color filter that is provided closer to the transparent electrode than the reflective electrodes, and includes filters of a plurality of colors. The first substrate is provided with a first space between reflective electrodes of adjacent pixels and a second space between reflective electrodes of adjacent pixels, the first space extending in a first direction and overlapping a border between filters of different colors, the second space extending in a second direction and having transmittance higher than that of the first space. Transmissive display is performed by using the second space where a light shielding member is not positioned.Type: GrantFiled: June 6, 2014Date of Patent: May 24, 2016Assignee: Japan Display Inc.Inventors: Yoko Fukunaga, Masaya Tamaki