Patents by Inventor Nozomu Sugisawa
Nozomu Sugisawa 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: 20240147758Abstract: A display device including display regions with inconspicuous seam is provided. The display device includes a first display panel and a second display panel. The first display panel includes a first display region and a visible-light-transmitting region. The second display panel includes a second display region. The first display region is adjacent to the visible-light-transmitting region. The first display region includes a first light-emitting element and a second light-emitting element. A first common electrode included in the first light-emitting element includes a portion in contact with a second common electrode included in the second light-emitting element. The first common electrode has a function of reflecting visible light. The second common electrode has a function of transmitting visible light. The second light-emitting element is positioned closer to the visible-light-transmitting region than the first light-emitting element.Type: ApplicationFiled: October 18, 2023Publication date: May 2, 2024Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Daiki NAKAMURA, Nozomu SUGISAWA
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Publication number: 20240114755Abstract: A novel display apparatus that is highly convenient, useful, or reliable is provided. The display apparatus includes a first light-emitting device including a first electrode, a first layer, a first unit, and a second electrode and a second light-emitting device including a third electrode, a second layer, a second unit, and a fourth electrode. The first unit is between the first electrode and the second electrode and includes a first light-emitting material. The first layer is between the first unit and the first electrode and is in contact with the first electrode. The third electrode is adjacent to the first electrode. A first gap is between the third electrode and the first electrode. The second unit is between the third electrode and the fourth electrode and includes a second light-emitting material. The second layer is between the second unit and the third electrode and is in contact with the third electrode.Type: ApplicationFiled: August 23, 2023Publication date: April 4, 2024Inventors: Nozomu SUGISAWA, Yasumasa YAMANE, Daiki NAKAMURA, Tsunenori SUZUKI, Naoto GOTO, Yasutaka NAKAZAWA
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Patent number: 11940684Abstract: A display device or an electronic device with high portability and browsability is provided. A display device which includes two display panels that overlap with each other and in which the area of a portion where the two display panels overlap with each other is variable is provided. The larger the area where the two display panels overlap with each other is, the smaller the display device becomes. The first display panel includes a first region that performs display. The second display panel includes a second region that performs display, and a third region that is adjacent to the second region and transmits visible light. When the third region overlaps with the side of a surface which performs display of the first region, display can be performed using a seamless large display region.Type: GrantFiled: August 24, 2022Date of Patent: March 26, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yuichi Yanagisawa, Nozomu Sugisawa, Natsuko Takase
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Publication number: 20240096243Abstract: A novel display panel that is highly convenient, useful, or reliable is provided. The display panel includes a display region, a first support, and a second support, the display region includes a first region, a second region, and a third region, the first region and the second region each have a belt-like shape extending in one direction, and the third region is sandwiched between the first region and the second region. The first support overlaps with the first region and is less likely to be warped than the third region, and the second support overlaps with the second region and is less likely to be warped than the third region. The second support can pivot on an axis extending in the one direction with respect to the first support.Type: ApplicationFiled: November 21, 2023Publication date: March 21, 2024Inventors: Shingo EGUCHI, Taiki NONAKA, Daiki NAKAMURA, Nozomu SUGISAWA, Kazuhiko FUJITA, Shunpei YAMAZAKI
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Patent number: 11830391Abstract: A novel display panel that is highly convenient, useful, or reliable is provided. The display panel includes a display region, a first support, and a second support, the display region includes a first region, a second region, and a third region, the first region and the second region each have a belt-like shape extending in one direction, and the third region is sandwiched between the first region and the second region. The first support overlaps with the first region and is less likely to be warped than the third region, and the second support overlaps with the second region and is less likely to be warped than the third region. The second support can pivot on an axis extending in the one direction with respect to the first support.Type: GrantFiled: December 6, 2019Date of Patent: November 28, 2023Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shingo Eguchi, Taiki Nonaka, Daiki Nakamura, Nozomu Sugisawa, Kazuhiko Fujita, Shunpei Yamazaki
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Patent number: 11805674Abstract: A display device including display regions with inconspicuous seam is provided. The display device includes a first display panel and a second display panel. The first display panel includes a first display region and a visible-light-transmitting region. The second display panel includes a second display region. The first display region is adjacent to the visible-light-transmitting region. The first display region includes a first light-emitting element and a second light-emitting element. A first common electrode included in the first light-emitting element includes a portion in contact with a second common electrode included in the second light-emitting element. The first common electrode has a function of reflecting visible light. The second common electrode has a function of transmitting visible light. The second light-emitting element is positioned closer to the visible-light-transmitting region than the first light-emitting element.Type: GrantFiled: March 28, 2022Date of Patent: October 31, 2023Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Daiki Nakamura, Nozomu Sugisawa
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Publication number: 20230269987Abstract: Display unevenness in a display panel is suppressed. A display panel with a high aperture ratio of a pixel is provided. The display panel includes a first pixel electrode, a second pixel electrode, a third pixel electrode, a first light-emitting layer, a second light-emitting layer, a third light-emitting layer, a first common layer, a second common layer, a common electrode, and an auxiliary wiring. The first common layer is positioned over the first pixel electrode and the second pixel electrode. The first common layer has a portion overlapping with the first light-emitting layer and a portion overlapping with the second light-emitting layer. The second common layer is positioned over the third pixel electrode. The second common layer has a portion overlapping with the third light-emitting layer.Type: ApplicationFiled: April 25, 2023Publication date: August 24, 2023Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Daiki Nakamura, Shingo EGUCHI, Tomoya AOYAMA, Nozomu SUGISAWA, Junya MARUYAMA, Kazuhiko FUJITA, Masataka SATO, Susumu KAWASHIMA
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Publication number: 20230247873Abstract: A display apparatus that has a light sensing function is provided. A display apparatus that has high light sensitivity is provided. The display apparatus includes a light-receiving element, a light-emitting element, a conductive layer, and a first wiring. The light-receiving element includes a first pixel electrode, a common layer, an active layer, and a common electrode. The light-emitting element includes a second pixel electrode, the common layer, a light-emitting layer, and the common electrode. The conductive layer is provided over the same surface as the first pixel electrode and the second pixel electrode, is positioned between the first pixel electrode and the second pixel electrode, is electrically connected to the common layer, and is electrically connected to the first wiring to which a first potential is supplied.Type: ApplicationFiled: June 24, 2021Publication date: August 3, 2023Inventors: Daisuke KUBOTA, Daiki NAKAMURA, Ryo HATSUMI, Nozomu SUGISAWA
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Patent number: 11672152Abstract: Display unevenness in a display panel is suppressed. A display panel with a high aperture ratio of a pixel is provided. The display panel includes a first pixel electrode, a second pixel electrode, a third pixel electrode, a first light-emitting layer, a second light-emitting layer, a third light-emitting layer, a first common layer, a second common layer, a common electrode, and an auxiliary wiring. The first common layer is positioned over the first pixel electrode and the second pixel electrode. The first common layer has a portion overlapping with the first light-emitting layer and a portion overlapping with the second light-emitting layer. The second common layer is positioned over the third pixel electrode. The second common layer has a portion overlapping with the third light-emitting layer.Type: GrantFiled: November 19, 2018Date of Patent: June 6, 2023Inventors: Daiki Nakamura, Shingo Eguchi, Tomoya Aoyama, Nozomu Sugisawa, Junya Maruyama, Kazuhiko Fujita, Masataka Sato, Susumu Kawashima
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Patent number: 11659636Abstract: A display device that can display an image along a curved surface is provided. In the display device, a first display panel and a second display panel overlap each other with a light-transmitting layer provided therebetween. The light-transmitting layer is positioned on a display surface side of the first display panel, and on a side opposite to the display surface of the second display panel. The light-transmitting layer has an average transmittance of 80% or more with respect to light in the wavelength range of 450 nm to 700 nm and a refractive index higher than that of air. A display region of the first display panel overlaps a region transmitting visible light of the second display panel with the light-transmitting layer provided therebetween. It is preferred that the display region of the first display panel not overlap with a region blocking visible light of the second display panel.Type: GrantFiled: August 28, 2020Date of Patent: May 23, 2023Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hisao Ikeda, Nozomu Sugisawa, Yuichi Yanagisawa
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Publication number: 20230116067Abstract: A high-resolution display apparatus is provided. The display apparatus includes first to third light-emitting devices, a color conversion layer, and first and second insulating layers. The first light-emitting device includes a first pixel electrode, a first light-emitting layer, and a common electrode. The second light-emitting device includes a second pixel electrode, a second light-emitting layer, and the common electrode. The third light-emitting device includes a third pixel electrode, a third light-emitting layer, and the common electrode. The first and second light-emitting layers contain the same light-emitting material. The third light-emitting material emits shorter-wavelength light than the first and second light-emitting devices. The color conversion layer overlaps with the first light-emitting device. The color conversion layer converts a color of light emitted from the first light-emitting device into a different color.Type: ApplicationFiled: September 28, 2022Publication date: April 13, 2023Inventors: Nozomu SUGISAWA, Tomoya AOYAMA
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Publication number: 20220404660Abstract: A display device or an electronic device with high portability and browsability is provided. A display device which includes two display panels that overlap with each other and in which the area of a portion where the two display panels overlap with each other is variable is provided. The larger the area where the two display panels overlap with each other is, the smaller the display device becomes. The first display panel includes a first region that performs display. The second display panel includes a second region that performs display, and a third region that is adjacent to the second region and transmits visible light. When the third region overlaps with the side of a surface which performs display of the first region, display can be performed using a seamless large display region.Type: ApplicationFiled: August 24, 2022Publication date: December 22, 2022Inventors: Yuichi YANAGISAWA, Nozomu SUGISAWA, Natsuko TAKASE
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Patent number: 11467440Abstract: A display device or an electronic device with high portability and browsability is provided. A display device which includes two display panels that overlap with each other and in which the area of a portion where the two display panels overlap with each other is variable is provided. The larger the area where the two display panels overlap with each other is, the smaller the display device becomes. The first display panel includes a first region that performs display. The second display panel includes a second region that performs display, and a third region that is adjacent to the second region and transmits visible light. When the third region overlaps with the side of a surface which performs display of the first region, display can be performed using a seamless large display region.Type: GrantFiled: March 26, 2020Date of Patent: October 11, 2022Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yuichi Yanagisawa, Nozomu Sugisawa, Natsuko Takase
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Publication number: 20220216449Abstract: A display device including display regions with inconspicuous seam is provided. The display device includes a first display panel and a second display panel. The first display panel includes a first display region and a visible-light-transmitting region. The second display panel includes a second display region. The first display region is adjacent to the visible-light-transmitting region. The first display region includes a first light-emitting element and a second light-emitting element. A first common electrode included in the first light-emitting element includes a portion in contact with a second common electrode included in the second light-emitting element. The first common electrode has a function of reflecting visible light. The second common electrode has a function of transmitting visible light. The second light-emitting element is positioned closer to the visible-light-transmitting region than the first light-emitting element.Type: ApplicationFiled: March 28, 2022Publication date: July 7, 2022Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Daiki NAKAMURA, Nozomu SUGISAWA
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Publication number: 20220157926Abstract: A display panel or a display device with high display quality is provided. The display panel includes a light-emitting element, an insulating layer, a protective layer, and a conductive layer. The light-emitting element includes a first electrode, a light-emitting layer, and a second electrode. The light-emitting element emits light to the protective layer side. The insulating layer includes a first opening overlapping with the first electrode. The insulating layer covers an end portion of the first electrode. The light-emitting layer overlaps with the first electrode through the first opening. The second electrode is positioned over the light-emitting layer. The protective layer is over and in contact with the second electrode. The protective layer functions as a protective layer of the light-emitting element. The protective layer includes a second opening overlapping with the insulating layer. The conductive layer is connected to the second electrode through the second opening.Type: ApplicationFiled: January 28, 2022Publication date: May 19, 2022Inventors: Nozomu SUGISAWA, Daiki NAKAMURA, Tomoya AOYAMA, Yusuke NISHIDO
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Publication number: 20220149313Abstract: A flexible display is prevented from being damaged. A display device having thickness and flexibility both is provided. The display device includes a display panel with a display element. The display panel includes a first film, a second film, and a bonding layer. The bonding layer is positioned between the first film and the second film, and has a function of attaching the first film and the second film to each other. The display element is supported by the first film. The display panel has a bending modulus of elasticity being higher than or equal to 0.01 times a tensile modules of elasticity and lower than one times the tensile modulus of elasticity.Type: ApplicationFiled: March 9, 2020Publication date: May 12, 2022Inventors: Daiki NAKAMURA, Nozomu SUGISAWA, Shuhei YOSHITOMI, Kensuke YOSHIZUMI
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Patent number: 11329122Abstract: A display panel or a display device with high display quality is provided. The display panel includes a light-emitting element, an insulating layer, a protective layer, and a conductive layer. The light-emitting element includes a first electrode, a light-emitting layer, and a second electrode. The light-emitting element emits light to the protective layer side. The insulating layer includes a first opening overlapping with the first electrode. The insulating layer covers an end portion of the first electrode. The light-emitting layer overlaps with the first electrode through the first opening. The second electrode is positioned over the light-emitting layer. The protective layer is over and in contact with the second electrode. The protective layer functions as a protective layer of the light-emitting element. The protective layer includes a second opening overlapping with the insulating layer. The conductive layer is connected to the second electrode through the second opening.Type: GrantFiled: July 26, 2018Date of Patent: May 10, 2022Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Nozomu Sugisawa, Daiki Nakamura, Tomoya Aoyama, Yusuke Nishido
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Patent number: 11302898Abstract: A display device including display regions with inconspicuous seam is provided. The display device includes a first display panel and a second display panel. The first display panel includes a first display region and a visible-light-transmitting region. The second display panel includes a second display region. The first display region is adjacent to the visible-light-transmitting region. The first display region includes a first light-emitting element and a second light-emitting element. A first common electrode included in the first light-emitting element includes a portion in contact with a second common electrode included in the second light-emitting element. The first common electrode has a function of reflecting visible light. The second common electrode has a function of transmitting visible light. The second light-emitting element is positioned closer to the visible-light-transmitting region than the first light-emitting element.Type: GrantFiled: August 9, 2018Date of Patent: April 12, 2022Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Daiki Nakamura, Nozomu Sugisawa
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Publication number: 20220051594Abstract: A novel display panel that is highly convenient, useful, or reliable is provided. The display panel includes a display region, a first support, and a second support, the display region includes a first region, a second region, and a third region, the first region and the second region each have a belt-like shape extending in one direction, and the third region is sandwiched between the first region and the second region. The first support overlaps with the first region and is less likely to be warped than the third region, and the second support overlaps with the second region and is less likely to be warped than the third region. The second support can pivot on an axis extending in the one direction with respect to the first support.Type: ApplicationFiled: December 6, 2019Publication date: February 17, 2022Inventors: Shingo EGUCHI, Taiki NONAKA, Daiki NAKAMURA, Nozomu SUGISAWA, Kazuhiko FUJITA, Shunpei YAMAZAKI
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Patent number: 11216138Abstract: Provided is a display system or a display device that is suitable for increasing in size. The display system includes a first display panel, a second display panel, a detection means, and a compensation means. The first display panel includes a first display region. The second display panel includes a second display region. The first display region and the second display region include a first region where they overlap. The detection means has a function of detecting the size of the first region. The compensation means has a function of compensating an image displayed on the first display region in accordance with the change in the size of the first region.Type: GrantFiled: July 15, 2020Date of Patent: January 4, 2022Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Yuichi Yanagisawa, Daiki Nakamura, Nozomu Sugisawa, Hisao Ikeda, Naoyuki Senda, Kensuke Yoshizumi