Patents by Inventor Yuhki Kobayashi
Yuhki Kobayashi 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: 11437600Abstract: In the present embodiment, a sealing agent (50) sealing two substates contains a low melting-point glass material and is adhered to each of a first substrate (10) and a second substrate (20), a barrier rib (60), which is formed in such a manner as to surround the outer periphery of an electronic element (30), is disposed between the sealing agent (50) and the electronic element (30), and between the first substrate (10) and the second substrate (20), and the sealing agent (50) is spaced apart from the barrier rib (60). As a result, a deterioration of the electronic element, caused by the heat produced when sealing, may be prevented while the electronic element formed between the two substrates is protected from moisture and oxygen.Type: GrantFiled: November 17, 2021Date of Patent: September 6, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Yuhki Kobayashi, Shinichi Kawato, Kiyoshi Minoura, Shinji Shimada, Hiroshi Tsuchiya, Masahiro Mitani, Kohzoh Nakamura, Katsuhiko Kishimoto, Yozo Narutaki
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Publication number: 20220077421Abstract: In the present embodiment, a sealing agent (50) sealing two substates contains a low melting-point glass material and is adhered to each of a first substrate (10) and a second substrate (20), a barrier rib (60), which is formed in such a manner as to surround the outer periphery of an electronic element (30), is disposed between the sealing agent (50) and the electronic element (30), and between the first substrate (10) and the second substrate (20), and the sealing agent (50) is spaced apart from the barrier rib (60). As a result, a deterioration of the electronic element, caused by the heat produced when sealing, may be prevented while the electronic element formed between the two substrates is protected from moisture and oxygen.Type: ApplicationFiled: November 17, 2021Publication date: March 10, 2022Inventors: Yuhki KOBAYASHI, Shinichi KAWATO, Kiyoshi MINOURA, Shinji SHIMADA, Hiroshi TSUCHIYA, Masahiro MITANI, Kohzoh NAKAMURA, Katsuhiko KISHIMOTO, Yozo NARUTAKI
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Patent number: 11211579Abstract: In the present embodiment, a sealing agent (50) sealing two substates contains a low melting-point glass material and is adhered to each of a first substrate (10) and a second substrate (20), a barrier rib (60), which is formed in such a manner as to surround the outer periphery of an electronic element (30), is disposed between the sealing agent (50) and the electronic element (30), and between the first substrate (10) and the second substrate (20), and the sealing agent (50) is spaced apart from the barrier rib (60). As a result, a deterioration of the electronic element, caused by the heat produced when sealing, may be prevented while the electronic element formed between the two substrates is protected from moisture and oxygen.Type: GrantFiled: September 27, 2017Date of Patent: December 28, 2021Assignees: SHARP KABUSHIKI KAISHA, SAKAI DISPLAY PRODUCTS CORPORATIONInventors: Yuhki Kobayashi, Shinichi Kawato, Kiyoshi Minoura, Shinji Shimada, Hiroshi Tsuchiya, Masahiro Mitani, Kohzoh Nakamura, Katsuhiko Kishimoto, Yozo Narutaki
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Patent number: 10955709Abstract: A display device includes a first substrate including a light-emitting element that is an upward light emission type and a transistor in a lower layer than the light-emitting element, a second substrate facing the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The first substrate includes a sealing film formed in an island shape and covering the light-emitting element and a pixel electrode that is transparent. The pixel electrode includes a first portion not overlapping the sealing film and a second portion overlapping the sealing film.Type: GrantFiled: September 29, 2017Date of Patent: March 23, 2021Assignees: SHARP KABUSHIKI KAISHA, SAKAI DISPLAY PRODUCTS CORPORATIONInventors: Hiroshi Tsuchiya, Kiyoshi Minoura, Shinji Shimada, Yuhki Kobayashi, Yozo Narutaki
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Patent number: 10923678Abstract: A reflective liquid crystal display device (30) including a reflection electrode (31), a liquid crystal layer (32), and a counter electrode (33) is formed above an insulating layer (25) in a first region (R) of a TFT substrate (20). An organic EL display device (40) including a first electrode (41), an organic layer (43), and a second electrode (44) is formed on the insulating layer (25) of the TFT substrate (20) in a second region (T). A coating layer (45) is formed at least on a surface of the organic EL display device (40) so as to wrap the second electrode (44) and the organic layer (43) of the organic EL display device (40). A part of the coating layer (45) is in contact with the insulating layer (25). As a result, a complex display apparatus capable of preventing the organic layer from deteriorating and excellent in reliability can be obtained.Type: GrantFiled: December 11, 2019Date of Patent: February 16, 2021Assignees: Sakai Display Products Corporation, Sharp Kabushiki KaishaInventors: Yozo Narutaki, Katsuhiko Kishimoto, Shinji Shimada, Masahiro Mitani, Kohzoh Nakamura, Kiyoshi Minoura, Hiroshi Tsuchiya, Yuhki Kobayashi, Shinichi Kawato
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Patent number: 10908469Abstract: A display device includes a first substrate including a light-emitting element that is an upward light emission type and a transistor in a lower layer than the light-emitting element, a second substrate facing the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The first substrate includes a sealing film formed in an island shape and covering the light-emitting element, a pixel electrode including a first portion not overlapping the sealing film, and a light reflective film overlapping the first portion and including a recessed and protruded surface.Type: GrantFiled: September 29, 2017Date of Patent: February 2, 2021Assignees: SHARP KABUSHIKI KAISHA, SAKAI DISPLAY PRODUCTS CORPORATIONInventors: Kiyoshi Minoura, Hiroshi Tsuchiya, Shinji Shimada, Yuhki Kobayashi, Yozo Narutaki
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Publication number: 20200303482Abstract: A sealing structure according to an embodiment of the present invention is provided with: first and second substrates that are opposed to each other; an electronic element that is formed between the first and second substrates; and a sealant that closes the gap between the first and second substrates, at the outer periphery of the electronic element, wherein the sealant includes a low-melting point glass material and a plurality of spacers, and the spacers have melting points higher than the softening point of the low-melting point glass material.Type: ApplicationFiled: December 22, 2017Publication date: September 24, 2020Applicants: SAKAI DISPLAY PRODUCTS CORPORATION, SHARP KABUSHIKI KAISHA, SHARP KABUSHIKI KAISHAInventors: KATSUHIKO KISHIMOTO, YUHKI KOBAYASHI
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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: 10760155Abstract: To provide a vapor deposition source of which material usage efficiency is higher as compared with the related art. A vapor deposition source (10) includes a vapor deposition particles ejecting unit (30) configured to include multistage of nozzle units layered apart from each other in a vertical direction, each of the nozzle units including at least one vapor deposition nozzle (32, 52), and at least one space part (43) provided between the multistage of vapor deposition nozzles, and a vacuum exhaust unit (14) connected with the at least one space part (43).Type: GrantFiled: September 20, 2016Date of Patent: September 1, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Satoshi Inoue, Shinichi Kawato, Manabu Niboshi, Yuhki Kobayashi
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Publication number: 20200257173Abstract: A display device includes a first substrate including a light-emitting element that is an upward light emission type and a transistor in a lower layer than the light-emitting element, a second substrate facing the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The first substrate includes a sealing film formed in an island shape and covering the light-emitting element and a pixel electrode that is transparent. The pixel electrode includes a first portion not overlapping the sealing film and a second portion overlapping the sealing film.Type: ApplicationFiled: September 29, 2017Publication date: August 13, 2020Inventors: Hiroshi TSUCHIYA, Kiyoshi MINOURA, Shinji SHIMADA, Yuhki KOBAYASHI, Yozo NARUTAKI
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Publication number: 20200249509Abstract: A display device includes a first substrate including a light-emitting element that is an upward light emission type and a transistor in a lower layer than the light-emitting element, a second substrate facing the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The first substrate includes a sealing film formed in an island shape and covering the light-emitting element, a pixel electrode including a first portion not overlapping the sealing film, and a light reflective film overlapping the first portion and including a recessed and protruded surface.Type: ApplicationFiled: September 29, 2017Publication date: August 6, 2020Inventors: Kiyoshi MINOURA, Hiroshi TSUCHIYA, Shinji SHIMADA, Yuhki KOBAYASHI, Yozo NARUTAKI
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Publication number: 20200235332Abstract: In the present embodiment, a sealing agent (50) sealing two substates contains a low melting-point glass material and is adhered to each of a first substrate (10) and a second substrate (20), a barrier rib (60), which is formed in such a manner as to surround the outer periphery of an electronic element (30), is disposed between the sealing agent (50) and the electronic element (30), and between the first substrate (10) and the second substrate (20), and the sealing agent (50) is spaced apart from the barrier rib (60). As a result, a deterioration of the electronic element, caused by the heat produced when sealing, may be prevented while the electronic element formed between the two substrates is protected from moisture and oxygen.Type: ApplicationFiled: September 27, 2017Publication date: July 23, 2020Inventors: YUHKI KOBAYASHI, SHINICHI KAWATO, KIYOSHI MINOURA, SHINJI SHIMADA, HIROSHI TSUCHIYA, MASAHIRO MITANI, KOHZOH NAKAMURA, KATSUHIKO KISHIMOTO, YOZO NARUTAKI
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Patent number: 10711338Abstract: A vapor deposition mask including a metallic substrate provided with a plurality of openings for passing vapor deposition particles, wherein at least a portion of the plurality of openings are structured by one or more opening groups in which the plurality of openings are repeatedly arranged in accordance with a constant rule, and a plurality of protrusions of identical height are arranged to support the entire substrate from one side, and are provided only outside the opening group formation region.Type: GrantFiled: January 26, 2017Date of Patent: July 14, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Shinichi Kawato, Manabu Niboshi, Eiji Koike, Satoshi Inoue, Tsuyoshi Inoue, Yuhki Kobayashi
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Patent number: 10700148Abstract: Included are first light-emitting element including a first organic layer having an island shape, and a first lower electrode, an electrode cover film having an insulating property and covering an edge of the first lower electrode, and a second light-emitting element including a second organic layer that has an island shape and that is an identical layer to the first organic layer, and a second lower electrode. As an opening of the electrode cover film wholly overlaps with the first lower electrode and the first organic layer, so that the opening defines a light-emitting region of the first light-emitting elements. When the edge of the second organic layer overlaps with the second lower electrode without being interposed with an insulating film, the edge of the second organic layer defines a light-emitting region of the second light-emitting element.Type: GrantFiled: September 29, 2017Date of Patent: June 30, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Satoshi Inoue, Yuhki Kobayashi, Shinichi Kawato
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Publication number: 20200181755Abstract: A vapor deposition mask includes, in a layered manner: a metal mask including at least one metal mask opening; and a resin mask including a plurality of resin mask openings. The resin mask openings are arranged at least one in a Y-axial direction. The resin mask openings exposed from the metal mask opening and aligned in the Y-axial direction in the respective positions in an X-axial direction have such total opening lengths in the Y-axial direction as to increase from the center in the X-axial direction toward both end portions in the X-axial direction.Type: ApplicationFiled: November 15, 2016Publication date: June 11, 2020Inventors: Yuhki KOBAYASHI, Shinichi KAWATO, Satoshi INOUE
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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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Publication number: 20200119306Abstract: A reflective liquid crystal display device (30) including a reflection electrode (31), a liquid crystal layer (32), and a counter electrode (33) is formed above an insulating layer (25) in a first region (R) of a TFT substrate (20). An organic EL display device (40) including a first electrode (41), an organic layer (43), and a second electrode (44) is formed on the insulating layer (25) of the TFT substrate (20) in a second region (T). A coating layer (45) is formed at least on a surface of the organic EL display device (40) so as to wrap the second electrode (44) and the organic layer (43) of the organic EL display device (40). A part of the coating layer (45) is in contact with the insulating layer (25). As a result, a complex display apparatus capable of preventing the organic layer from deteriorating and excellent in reliability can be obtained.Type: ApplicationFiled: December 11, 2019Publication date: April 16, 2020Inventors: Yozo Narutaki, Katsuhiko Kishimoto, Shinji Shimada, Masahiro Mitani, Kohzoh Nakamura, Kiyoshi Minoura, Hiroshi Tsuchiya, Yuhki Kobayashi, Shinichi Kawato
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Patent number: 10597770Abstract: Provided is a line source that can achieve uniform film thickness distribution and also achieve high use efficiency of vapor deposition materials. A line source (10) has slit nozzles (1) having a slit nozzle's length-to-width ratio of 4 to 50, a width of 1 mm to 5 mm, and a depth of 5 mm to 20 mm.Type: GrantFiled: July 21, 2016Date of Patent: March 24, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Shinichi Kawato, Katsuhiro Kikuchi, Manabu Niboshi, Satoshi Inoue, Yuhki Kobayashi
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Patent number: 10547026Abstract: A reflective liquid crystal display device (30) including a reflection electrode (31), a liquid crystal layer (32), and a counter electrode (33) is formed above an insulating layer (25) in a first region (R) of a TFT substrate (20). An organic EL display device (40) including a first electrode (41), an organic layer (43), and a second electrode (44) is formed on the insulating layer (25) of the TFT substrate (20) in a second region (T). A coating layer (45) is formed at least on a surface of the organic EL display device (40) so as to wrap the second electrode (44) and the organic layer (43) of the organic EL display device (40). A part of the coating layer (45) is in contact with the insulating layer (25). As a result, a complex display apparatus capable of preventing the organic layer from deteriorating and excellent in reliability can be obtained.Type: GrantFiled: March 31, 2017Date of Patent: January 28, 2020Assignees: Sakai Display Products Corporation, Sharp CorporationInventors: Yozo Narutaki, Katsuhiko Kishimoto, Shinji Shimada, Masahiro Mitani, Kohzoh Nakamura, Kiyoshi Minoura, Hiroshi Tsuchiya, Yuhki Kobayashi, Shinichi Kawato
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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