Patents by Inventor Seiichi Mitsui
Seiichi Mitsui 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: 20230006010Abstract: A display device includes: a base substrate; a thin film transistor layer provided on the base substrate; a light-emitting element layer provided on the thin film transistor layer including a plurality of first electrodes, a common edge cover, a plurality of function layers, and a common second electrode layered in this order; a sealing film provided on the light-emitting element layer; a second display region provided inside a first display region surrounded by the first display region; and an image capture unit provided in the second display region on an opposite side to the thin film transistor layer of the base substrate, wherein a light blocking portion is provided in the second display region at a boundary with the first display region. The light blocking portion is provided in the edge cover, and the edge cover, in the second display region, includes a black colored portion colored black.Type: ApplicationFiled: December 17, 2019Publication date: January 5, 2023Inventors: KAORU ABE, SEIICHI MITSUI
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Patent number: 10873050Abstract: An organic EL display device with higher resolution, suppressed power consumption while being driven and low manufacturing cost, and no color mixing and color shifting between subpixels adjacent to each other is provided. In a B subpixel, a first separation layer is provided between a common blue-light-emitting layer and a common green-light-emitting layer. In a G subpixel, a second separation layer is provided between the common green-light-emitting layer and a common red-light-emitting layer.Type: GrantFiled: March 22, 2017Date of Patent: December 22, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Yuto Tsukamoto, Seiichi Mitsui, Shinichi Kawato, Manabu Niboshi, Eiji Koike, Masanori Ohara, Asae Ito
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Publication number: 20200303670Abstract: An organic EL display device with higher resolution, suppressed power consumption while being driven and low manufacturing cost, and no color mixing and color shifting between subpixels adjacent to each other is provided. In a B subpixel, a first separation layer is provided between a common blue-light-emitting layer and a common green-light-emitting layer. In a G subpixel, a second separation layer is provided between the common green-light-emitting layer and a common red-light-emitting layer.Type: ApplicationFiled: March 22, 2017Publication date: September 24, 2020Inventors: Yuto TSUKAMOTO, Seiichi MITSUI, Shinichi KAWATO, Manabu NIBOSHI, Eiji KOIKE, Masanori OHARA, Asae ITO
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Patent number: 10777613Abstract: A blue fluorescent light-emitting layer is provided in common for a subpixel and a subpixel, a green fluorescent light-emitting layer is provided in common for the subpixel and a subpixel, and a red light-emitting layer is provided in common for the subpixel and a subpixel. An opposing surface distance is less than or equal to a Förster radius, and in the subpixel, the green fluorescent light-emitting layer and the red light-emitting layer are layered with a separation layer interposed therebetween.Type: GrantFiled: April 7, 2017Date of Patent: September 15, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Yuto Tsukamoto, Seiichi Mitsui, Shinichi Kawato, Satoshi Inoue, Yuhki Kobayashi, Takashi Ochi
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Patent number: 10680039Abstract: A blue fluorescent light-emitting layer is provided in common for first and second subpixels, a green fluorescent light-emitting layer is provided in common for second and third subpixels, and a red light-emitting layer is provided in common for the second and fourth subpixels. In the second subpixel, an opposing surface distance is less than or equal to a Förster radius, and at least of the blue fluorescent light-emitting layer and the green fluorescent light-emitting layer are layered with the red light-emitting layer with a separation layer interposed therebetween.Type: GrantFiled: April 26, 2017Date of Patent: June 9, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Yuto Tsukamoto, Seiichi Mitsui, Shinichi Kawato, Satoshi Inoue, Yuhki Kobayashi, Takashi Ochi
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Patent number: 10510807Abstract: In this manufacturing method, in a blue fluorescent light-emitting layer formation step, a blue fluorescent light-emitting layer is formed in both a subpixel and a subpixel; in a green fluorescent light-emitting layer formation step, a green fluorescent light-emitting layer is formed in both the subpixel and a subpixel; and in a red light-emitting layer formation step, a red light-emitting layer is formed in both the subpixel and a subpixel. In at least two of the abovementioned steps, linear vapor deposition is performed using a slit mask having an opening that is provided so as to extend across a plurality of pixels.Type: GrantFiled: July 21, 2017Date of Patent: December 17, 2019Assignee: SHARK KABUSHIKI KAISHAInventors: Yuto Tsukamoto, Seiichi Mitsui, Shinichi Kawato, Satoshi Inoue, Yuhki Kobayashi, Takashi Ochi
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Patent number: 10497771Abstract: A display device includes a cathode electrode provided on a subpixel-by-subpixel basis, an anode electrode provided commonly for a plurality of subpixels in an upper layer with respect to the cathode electrode, a light emitting layer provided between the cathode electrode and the anode electrode, a first wiring line provided in the same layer as the cathode electrode, and a second wiring line provided in an upper layer with respect to the first wiring line and superimposed on the first wiring line.Type: GrantFiled: June 7, 2017Date of Patent: December 3, 2019Assignee: SHARP KABUSHIKI KAISHAInventors: Masanori Ohara, Shinichi Kawato, Manabu Niboshi, Seiichi Mitsui
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Publication number: 20190363156Abstract: A display device includes a cathode electrode provided on a subpixel-by-subpixel basis, an anode electrode provided commonly for a plurality of subpixels in an upper layer with respect to the cathode electrode, a light emitting layer provided between the cathode electrode and the anode electrode, a first wiring line provided in the same layer as the cathode electrode, and a second wiring line provided in an upper layer with respect to the first wiring line and superimposed on the first wiring line.Type: ApplicationFiled: June 7, 2017Publication date: November 28, 2019Inventors: Masanori OHARA, Shinichi KAWATO, Manabu NIBOSHI, Seiichi MITSUI
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Publication number: 20190237514Abstract: In this manufacturing method, in a blue fluorescent light-emitting layer formation step, a blue fluorescent light-emitting layer is formed in both a subpixel and a subpixel; in a green fluorescent light-emitting layer formation step, a green fluorescent light-emitting layer is formed in both the subpixel and a subpixel; and in a red light-emitting layer formation step, a red light-emitting layer is formed in both the subpixel and a subpixel. In at least two of the abovementioned steps, linear vapor deposition is performed using a slitted mask having an opening that is provided so as to extend across a plurality of pixels.Type: ApplicationFiled: July 21, 2017Publication date: August 1, 2019Inventors: Yuto TSUKAMOTO, Seiichi MITSUI, Shinichi KAWATO, Satoshi INOUE, Yuhki KOBAYASHI, Takashi OCHI
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Publication number: 20190157360Abstract: In this manufacturing method, in a blue fluorescent light-emitting layer formation step, a blue fluorescent light-emitting layer is formed in both a subpixel and a subpixel; in a green fluorescent light-emitting layer formation step, a green fluorescent light-emitting layer is formed in both the subpixel and a subpixel; and in a red light-emitting layer formation step, a red light-emitting layer is formed in both the subpixel and a subpixel. In at least two of the abovementioned steps, linear vapor deposition is performed using a slit mask having an opening that is provided so as to extend across a plurality of pixels.Type: ApplicationFiled: July 21, 2017Publication date: May 23, 2019Inventors: Yuto TSUKAMOTO, Seiichi MITSUI, Shinichi KAWATO, Satoshi INOUE, Yuhki KOBAYASHI, Takashi OCHI
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Publication number: 20190115398Abstract: A blue fluorescent light-emitting layer is provided in common for a subpixel and a subpixel, a green fluorescent light-emitting layer is provided in common for the subpixel and a subpixel, and a red light-emitting layer is provided in common for the subpixel and a subpixel. An opposing surface distance is less than or equal to a Förster radius, and in the subpixel, the green fluorescent light-emitting layer and the red light-emitting layer are layered with a separation layer interposed therebetween.Type: ApplicationFiled: April 7, 2017Publication date: April 18, 2019Inventors: Yuto TSUKAMOTO, Seiichi MITSUI, Shinichi KAWATO, Satoshi INOUE, Yuhki KOBAYASHI, Takashi OCHI
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Publication number: 20190081112Abstract: A blue fluorescent light-emitting layer is provided in common for first and second subpixels, a green fluorescent light-emitting layer is provided in common for second and third subpixels, and a red light-emitting layer is provided in common for the second and fourth subpixels. In the second subpixel, an opposing surface distance is less than or equal to a Förster radius, and at least of the blue fluorescent light-emitting layer and the green fluorescent light-emitting layer are layered with the red light-emitting layer with a separation layer interposed therebetween.Type: ApplicationFiled: April 26, 2017Publication date: March 14, 2019Inventors: Yuto TSUKAMOTO, Seiichi MITSUI, Shinichi KAWATO, Satoshi INOUE, Yuhki KOBAYASHI, Takashi OCHI
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Patent number: 9263705Abstract: A successive deposition apparatus by which a reduction in the luminous efficiency of a light-emitting element can be suppressed even in high-speed deposition of a light-emitting layer thereof is provided. The apparatus includes: a second deposition chamber; a third deposition chamber coupled to the second deposition chamber; a transfer unit for transferring a substrate from second deposition chamber to third deposition chamber; plural third deposition sources arranged in the substrate transfer direction in the second deposition chamber; and a fourth and fifth deposition sources alternately arranged in the transfer direction in the third deposition chamber. In the third deposition chamber, the fourth deposition source is placed nearest to the second deposition source. The fourth deposition source contains a host material, and the fifth deposition source contains a dopant material. The HOMO level of a material of the third deposition source is adjusted to that of the host material.Type: GrantFiled: March 13, 2012Date of Patent: February 16, 2016Assignees: Semiconductor Energy Laboratory Co., Ltd., Sharp Kabushiki KaishaInventors: Satoshi Seo, Hisao Ikeda, Manabu Niboshi, Katsunori Mitsuhashi, Seiichi Mitsui, Yoshitaka Yamamoto
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Patent number: 9048453Abstract: To provide a light-emitting device which can emit bright light without increasing the projected area of a light-emitting element and be manufactured with high yield. A light-emitting device of one embodiment of the present invention includes a plurality of projections; a first electrode formed along the plurality of projections; a layer containing a light-emitting organic compound formed along the plurality of projections and over the first electrode; and a second electrode formed along the plurality of projections and over the layer containing a light-emitting organic compound. Further, the plurality of projections each have a bottom surface having a side in contact with a bottom surface of an adjacent projection; a plurality of side surfaces each having a certain angle greater than 0° and less than or equal to 80° with respect to the bottom surface; and a vertex having a first continuously curved surface.Type: GrantFiled: September 26, 2012Date of Patent: June 2, 2015Assignees: Semiconductor Energy Laboratory Co., Ltd., Sharp Kabushiki KaishaInventors: Takuya Kawata, Hisao Ikeda, Manabu Niboshi, Seiichi Mitsui, Yoshitaka Yamamoto
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Patent number: 8427608Abstract: A liquid crystal display is furnished with: a liquid crystal display element having a pair of substrates, to which alignment members are provided to their respective opposing surfaces, and a liquid crystal layer sandwiched by the pair of substrates; an alignment mechanism for providing at least two different director configurations simultaneously on different arbitrary regions used for display in the liquid crystal layer; and a reflection film provided to at least one of the different arbitrary regions showing different director configurations; wherein the different arbitrary regions showing different director configurations are used for a reflection display section for showing reflection display and a transmission display section for showing transmission display, respectively.Type: GrantFiled: November 12, 2010Date of Patent: April 23, 2013Assignee: Sharp Kabushiki KaishaInventors: Masayuki Okamoto, Hajime Hiraki, Seiichi Mitsui
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Publication number: 20130082247Abstract: To provide a light-emitting device which can emit bright light without increasing the projected area of a light-emitting element and be manufactured with high yield. A light-emitting device of one embodiment of the present invention includes a plurality of projections; a first electrode formed along the plurality of projections; a layer containing a light-emitting organic compound formed along the plurality of projections and over the first electrode; and a second electrode formed along the plurality of projections and over the layer containing a light-emitting organic compound. Further, the plurality of projections each have a bottom surface having a side in contact with a bottom surface of an adjacent projection; a plurality of side surfaces each having a certain angle greater than 0° and less than or equal to 80° with respect to the bottom surface; and a vertex having a first continuously curved surface.Type: ApplicationFiled: September 26, 2012Publication date: April 4, 2013Inventors: Takuya Kawata, Hisao Ikeda, Manabu Niboshi, Seiichi Mitsui, Yoshitaka Yamamoto
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Publication number: 20120237669Abstract: A successive deposition apparatus by which a reduction in the luminous efficiency of a light-emitting element can be suppressed even in high-speed deposition of a light-emitting layer thereof is provided. The apparatus includes: a second deposition chamber; a third deposition chamber coupled to the second deposition chamber; a transfer unit for transferring a substrate from second deposition chamber to third deposition chamber; plural third deposition sources arranged in the substrate transfer direction in the second deposition chamber; and a fourth and fifth deposition sources alternately arranged in the transfer direction in the third deposition chamber. In the third deposition chamber, the fourth deposition source is placed nearest to the second deposition source. The fourth deposition source contains a host material, and the fifth deposition source contains a dopant material. The HOMO level of a material of the third deposition source is adjusted to that of the host material.Type: ApplicationFiled: March 13, 2012Publication date: September 20, 2012Inventors: Satoshi SEO, Hisao IKEDA, Manabu NIBOSHI, Katsunori MITSUHASHI, Seiichi MITSUI, Yoshitaka YAMAMOTO
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Publication number: 20110102723Abstract: A liquid crystal display is furnished with: a liquid crystal display element having a pair of substrates, to which alignment members are provided to their respective opposing surfaces, and a liquid crystal layer sandwiched by the pair of substrates; an alignment mechanism for providing at least two different director configurations simultaneously on different arbitrary regions used for display in the liquid crystal layer; and a reflection film provided to at least one of the different arbitrary regions showing different director configurations; wherein the different arbitrary regions showing different director configurations are used for a reflection display section for showing reflection display and a transmission display section for showing transmission display, respectively.Type: ApplicationFiled: November 12, 2010Publication date: May 5, 2011Inventors: Masayuki OKAMOTO, Hajime Hiraki, Seiichi Mitsui
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Patent number: 7859620Abstract: A liquid crystal display is furnished with: a liquid crystal display element having a pair of substrates, to which alignment members are provided to their respective opposing surfaces, and a liquid crystal layer sandwiched by the pair of substrates; an alignment mechanism for providing at least two different director configurations simultaneously on different arbitrary regions used for display in the liquid crystal layer; and a reflection film provided to at least one of the different arbitrary regions showing different director configurations; wherein the different arbitrary regions showing different director configurations are used for a reflection display section for showing reflection display and a transmission display section for showing transmission display, respectively.Type: GrantFiled: April 21, 2009Date of Patent: December 28, 2010Assignee: Sharp Kabushiki KaishaInventors: Masayuki Okamoto, Hajime Hiraki, Seiichi Mitsui
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Publication number: 20090268135Abstract: A liquid crystal display is furnished with: a liquid crystal display element having a pair of substrates, to which alignment members are provided to their respective opposing surfaces, and a liquid crystal layer sandwiched by the pair of substrates; an alignment mechanism for providing at least two different director configurations simultaneously on different arbitrary regions used for display in the liquid crystal layer; and a reflection film provided to at least one of the different arbitrary regions showing different director configurations; wherein the different arbitrary regions showing different director configurations are used for a reflection display section for showing reflection display and a transmission display section for showing transmission display, respectively.Type: ApplicationFiled: April 21, 2009Publication date: October 29, 2009Inventors: Masayuki OKAMOTO, Hajime HIRAKI, Seiichi MITSUI