Patents by Inventor Seiji Uejima
Seiji Uejima 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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Publication number: 20200341339Abstract: A display device includes a display section in which a plurality of pixels are arrayed in a matrix, a plurality of scan lines which select pixels, a plurality of signal lines which supply image signals to the selected pixels, and color filters that are arranged so as to correspond to color displays of the pixels. In the device, the display section includes an effective pixel portion and a frame portion that surrounds the effective pixel portion, and the frame portion and a wiring circuit of the effective pixel portion are covered with light-shielding layers, the light-shielding layers being separated from each other at a certain separation location in the display section, and a plurality of color filters having different colors are arranged by being stacked at the separation location.Type: ApplicationFiled: July 13, 2020Publication date: October 29, 2020Inventors: Kenta Seki, Seiji Uejima, Ryo Yamaoka, Hidemasa Yamaguchi
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Publication number: 20200333646Abstract: According to one embodiment, a display device includes a substrate, a switching element provided on the substrate and including a relay electrode, a first electrode provided further away from the substrate than the switching element, a first insulating film provided on the first electrode and having a first thickness, a second electrode provided on the first insulating film, a second insulating film provided on the second electrode and having a second thickness and a third electrode provided on the second insulating film and supplied with a same potential as that of the first electrode. The second thickness is greater than the first thickness.Type: ApplicationFiled: July 6, 2020Publication date: October 22, 2020Applicant: Japan Display Inc.Inventors: Yoshitaka OZEKI, Seiji UEJIMA, Nobutaka OZAKI
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Patent number: 10747067Abstract: According to one embodiment, a display device includes a substrate, a switching element provided on the substrate and including a relay electrode, a first electrode provided further away from the substrate than the switching element, a first insulating film provided on the first electrode and having a first thickness, a second electrode provided on the first insulating film, a second insulating film provided on the second electrode and having a second thickness and a third electrode provided on the second insulating film and supplied with a same potential as that of the first electrode. The second thickness is greater than the first thickness.Type: GrantFiled: February 19, 2019Date of Patent: August 18, 2020Assignee: Japan Display Inc.Inventors: Yoshitaka Ozeki, Seiji Uejima, Nobutaka Ozaki
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Patent number: 10527891Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a first line, a second line, a switching element, a common electrode, an insulating film disposed on the common electrode, a pixel electrode connected with the switching element and opposed to the common electrode with the insulating film interposed therebetween, and a first alignment film covering the pixel electrode. The second substrate includes a second alignment film. And the pixel electrode includes one main pixel electrode extending in a belt shape in a pixel area defined by the first line and the second line.Type: GrantFiled: December 29, 2017Date of Patent: January 7, 2020Assignee: Japan Display Inc.Inventors: Seiji Uejima, Hidemasa Yamaguchi, Yoshitaka Ozeki, Takeyuki Tsuruma, Kenta Seki, Toshiaki Fukushima
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Publication number: 20190258099Abstract: According to one embodiment, a display device includes a substrate, a switching element provided on the substrate and including a relay electrode, a first electrode provided further away from the substrate than the switching element, a first insulating film provided on the first electrode and having a first thickness, a second electrode provided on the first insulating film, a second insulating film provided on the second electrode and having a second thickness and a third electrode provided on the second insulating film and supplied with a same potential as that of the first electrode. The second thickness is greater than the first thickness.Type: ApplicationFiled: February 19, 2019Publication date: August 22, 2019Applicant: Japan Display Inc.Inventors: Yoshitaka OZEKI, Seiji UEJIMA, Nobutaka OZAKI
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Publication number: 20190227371Abstract: According to one embodiment, a display device including a display function layer between a first substrate and a second substrate which are opposed to each other, wherein the second substrate includes, in a display area in which an image is displayed, a first light shielding layer extending in a first direction and a second light shielding layer extending in a second direction crossing the first direction, and the first light shielding layer and the second light shielding layer are layered while contacting each other at a crossing part.Type: ApplicationFiled: January 23, 2019Publication date: July 25, 2019Inventors: Toru KAWAMURA, Seiji UEJIMA, Koichiro ADACHI, Tetsuya YAMAMOTO
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Publication number: 20190011792Abstract: A display device includes a display section in which a plurality of pixels are arrayed in a matrix, a plurality of scan lines which select pixels, a plurality of signal lines which supply image signals to the selected pixels, and color filters that are arranged so as to correspond to color displays of the pixels. In the device, the display section includes an effective pixel portion and a frame portion that surrounds the effective pixel portion, and the frame portion and a wiring circuit of the effective pixel portion are covered with light-shielding layers, the light-shielding layers being separated from each other at a certain separation location in the display section, and a plurality of color filters having different colors are arranged by being stacked at the separation location.Type: ApplicationFiled: September 13, 2018Publication date: January 10, 2019Inventors: Kenta Seki, Seiji Uejima, Ryo Yamaoka, Hidemasa Yamaguchi
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Patent number: 10101623Abstract: A display device includes a display section in which a plurality of pixels are arrayed in a matrix, a plurality of scan lines which select pixels, a plurality of signal lines which supply image signals to the selected pixels, and color filters that are arranged so as to correspond to color displays of the pixels. In the device, the display section includes an effective pixel portion and a frame portion that surrounds the effective pixel portion, and the frame portion and a wiring circuit of the effective pixel portion are covered with light-shielding layers, the light-shielding layers being separated from each other at a certain separation location in the display section, and a plurality of color filters having different colors are arranged by being stacked at the separation location.Type: GrantFiled: October 21, 2016Date of Patent: October 16, 2018Assignee: Japan Display Inc.Inventors: Kenta Seki, Seiji Uejima, Ryo Yamaoka, Hidemasa Yamaguchi
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Publication number: 20180120653Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a first line, a second line, a switching element, a common electrode, an insulating film disposed on the common electrode, a pixel electrode connected with the switching element and opposed to the common electrode with the insulating film interposed therebetween, and a first alignment film covering the pixel electrode. The second substrate includes a second alignment film. And the pixel electrode includes one main pixel electrode extending in a belt shape in a pixel area defined by the first line and the second line.Type: ApplicationFiled: December 29, 2017Publication date: May 3, 2018Applicant: Japan Display Inc.Inventors: Seiji Uejima, Hidemasa Yamaguchi, Yoshitaka Ozeki, Takeyuki Tsuruma, Kenta Seki, Toshiaki Fukushima
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Patent number: 9891479Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a first line, a second line, a switching element, a common electrode, an insulating film disposed on the common electrode, a pixel electrode connected with the switching element and opposed to the common electrode with the insulating film interposed therebetween, and a first alignment film covering the pixel electrode. The second substrate includes a second alignment film. And the pixel electrode includes one main pixel electrode extending in a belt shape in a pixel area defined by the first line and the second line.Type: GrantFiled: January 22, 2015Date of Patent: February 13, 2018Assignee: Japan Display Inc.Inventors: Seiji Uejima, Hidemasa Yamaguchi, Yoshitaka Ozeki, Takeyuki Tsuruma, Kenta Seki, Toshiaki Fukushima
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Publication number: 20170329157Abstract: According to an aspect, a substrate for a display apparatus includes: a first substrate; a translucent coloring layer that includes a plurality of color regions and that overlaps with the first substrate; a first translucent resin layer that overlaps with the first substrate at boundaries of the color regions; and a light shielding layer that overlaps with the first translucent resin layer on an opposite side to the first substrate side. A width of the light shielding layer in a direction parallel with the first substrate is equal to or smaller than a width of the first translucent resin layer in the parallel direction on a cross section vertical to the first substrate.Type: ApplicationFiled: May 9, 2017Publication date: November 16, 2017Inventors: Koichiro ADACHI, Tetsuya YAMAMOTO, Seiji UEJIMA
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Publication number: 20170038656Abstract: A display device includes a display section in which a plurality of pixels are arrayed in a matrix, a plurality of scan lines which select pixels, a plurality of signal lines which supply image signals to the selected pixels, and color filters that are arranged so as to correspond to color displays of the pixels. In the device, the display section includes an effective pixel portion and a frame portion that surrounds the effective pixel portion, and the frame portion and a wiring circuit of the effective pixel portion are covered with light-shielding layers, the light-shielding layers being separated from each other at a certain separation location in the display section, and a plurality of color filters having different colors are arranged by being stacked at the separation location.Type: ApplicationFiled: October 21, 2016Publication date: February 9, 2017Inventors: Kenta Seki, Seiji Uejima, Ryo Yamaoka, Hidemasa Yamaguchi
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Patent number: 9500897Abstract: A display device includes a display section in which a plurality of pixels are arrayed in a matrix, a plurality of scan lines which select pixels, a plurality of signal lines which supply image signals to the selected pixels, and color filters that are arranged so as to correspond to color displays of the pixels. In the device, the display section includes an effective pixel portion and a frame portion that surrounds the effective pixel portion, and the frame portion and a wiring circuit of the effective pixel portion are covered with light-shielding layers, the light-shielding layers being separated from each other at a certain separation location in the display section, and a plurality of color filters having different colors are arranged by being stacked at the separation location.Type: GrantFiled: December 17, 2014Date of Patent: November 22, 2016Assignee: Japan Display Inc.Inventors: Kenta Seki, Seiji Uejima, Ryo Yamaoka, Hidemasa Yamaguchi
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Publication number: 20150212374Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a first line, a second line, a switching element, a common electrode, an insulating film disposed on the common electrode, a pixel electrode connected with the switching element and opposed to the common electrode with the insulating film interposed therebetween, and a first alignment film covering the pixel electrode. The second substrate includes a second alignment film. And the pixel electrode includes one main pixel electrode extending in a belt shape in a pixel area defined by the first line and the second line.Type: ApplicationFiled: January 22, 2015Publication date: July 30, 2015Applicant: Japan Display Inc.Inventors: Seiji UEJIMA, Hidemasa YAMAGUCHI, Yoshitaka OZEKI, Takeyuki TSURUMA, Kenta SEKI, Toshiaki FUKUSHIMA
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Publication number: 20150103289Abstract: A display device includes a display section in which a plurality of pixels are arrayed in a matrix, a plurality of scan lines which select pixels, a plurality of signal lines which supply image signals to the selected pixels, and color filters that are arranged so as to correspond to color displays of the pixels. In the device, the display section includes an effective pixel portion and a frame portion that surrounds the effective pixel portion, and the frame portion and a wiring circuit of the effective pixel portion are covered with light-shielding layers, the light-shielding layers being separated from each other at a certain separation location in the display section, and a plurality of color filters having different colors are arranged by being stacked at the separation location.Type: ApplicationFiled: December 17, 2014Publication date: April 16, 2015Inventors: Kenta Seki, Seiji Uejima, Ryo Yamaoka, Hidemasa Yamaguchi
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Patent number: 8934073Abstract: A display device includes a display section in which a plurality of pixels are arrayed in a matrix, a plurality of scan lines which select pixels, a plurality of signal lines which supply image signals to the selected pixels, and color filters that are arranged so as to correspond to color displays of the pixels. In the device, the display section includes an effective pixel portion and a frame portion that surrounds the effective pixel portion, and the frame portion and a wiring circuit of the effective pixel portion are covered with light-shielding layers, the light-shielding layers being separated from each other at a certain separation location in the display section, and a plurality of color filters having different colors are arranged by being stacked at the separation location.Type: GrantFiled: November 21, 2012Date of Patent: January 13, 2015Assignee: Japan Display West Inc.Inventors: Kenta Seki, Seiji Uejima, Ryo Yamaoka, Hidemasa Yamaguchi
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Patent number: 8564580Abstract: Disclosed herein is a display device including a first light sensor unit configured to include a light-receiving element and detect intensity of ambient light to a display area; a second light sensor unit configured to include a light-receiving element and be provided with an infrared filter disposed on an optical path to the light-receiving element; and a signal processor configured to execute difference processing for a detection signal of the first light sensor unit and a detection signal of the second light sensor unit, wherein the infrared filter is formed by stacking at least two kinds of color filters.Type: GrantFiled: November 13, 2008Date of Patent: October 22, 2013Assignee: Japan Display West Inc.Inventors: Eiji Sakai, Takayuki Nakanishi, Seiji Uejima
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Publication number: 20130250204Abstract: A display device includes a display section in which a plurality of pixels are arrayed in a matrix, a plurality of scan lines which select pixels, a plurality of signal lines which supply image signals to the selected pixels, and color filters that are arranged so as to correspond to color displays of the pixels. In the device, the display section includes an effective pixel portion and a frame portion that surrounds the effective pixel portion, and the frame portion and a wiring circuit of the effective pixel portion are covered with light-shielding layers, the light-shielding layers being separated from each other at a certain separation location in the display section, and a plurality of color filters having different colors are arranged by being stacked at the separation location.Type: ApplicationFiled: November 21, 2012Publication date: September 26, 2013Applicant: JAPAN DISPLAY WEST, INC.Inventors: Kenta Seki, Seiji Uejima, Ryo Yamaoka, Hidemasa Yamaguchi
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Patent number: 8023092Abstract: Disclosed herein is a liquid crystal display device including, a liquid crystal layer, a first substrate and a second substrate which face each other through the liquid crystal layer therebetween, and a plurality of columnar spacers holding a gap between the first substrate and the second substrate, wherein the plurality of columnar spacers include a first columnar spacer and a second columnar spacer which are formed to be substantially equal in height, and a substrate surface of one of the first substrate and the second substrate is provided with a recess in at least one of a part where to dispose the first columnar spacer and a part where to dispose the second columnar spacer.Type: GrantFiled: November 14, 2008Date of Patent: September 20, 2011Assignee: Sony CorporationInventors: Shuichi Tatemori, Masaaki Kabe, Hidemasa Yamaguchi, Seiji Uejima
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Publication number: 20090219458Abstract: Disclosed herein is a liquid crystal display device having a liquid crystal between a drive substrate and a counter substrate, and a plurality of main pixels disposed so as to compose a display area, wherein either a liquid crystal alignment controlling factor or a spacer for substrate distance setting is provided in each of at least two sub-pixels of a plurality of sub-pixels composing the main pixel; and light shielding members provided in the at least two sub-pixels so as to correspond to either the liquid crystal alignment controlling factors or the spacers, respectively, are different in area in planar view from each other.Type: ApplicationFiled: February 20, 2009Publication date: September 3, 2009Applicant: Sony CorporationInventors: Kazuyuki Endo, Hironao Tanaka, Eiji Sakai, Shingo Kataoka, Seiji Uejima, Ryo Yamaoka, Shuichi Tatemori, Takeo Koito