Patents by Inventor Shingo Eguchi
Shingo Eguchi 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).
-
Patent number: 12765179Abstract: A display apparatus capable of see-through display is provided. The display apparatus includes a first region including a first light-emitting element, a second region including a second light-emitting element, and an insulating layer provided continuously across a third region that transmits external light. The first light-emitting element includes a first pixel electrode, a first organic layer, and a common electrode. The second light-emitting element includes a second pixel electrode, a second organic layer, and the common electrode. In each of the first organic layer and the second organic layer, an angle between a bottom surface and a side surface is greater than or equal to 60° and less than or equal to 120° in a cross sectional view.Type: GrantFiled: March 9, 2022Date of Patent: October 13, 2026Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shingo Eguchi, Kenichi Okazaki
-
Patent number: 12765205Abstract: A display device in which a voltage drop is inhibited adequately is provided. The display device includes a first light-emitting device including a first light-emitting layer, a first charge-generation layer over the first light-emitting layer, and a second light-emitting layer over the first charge-generation layer; a first color filter overlapping with the first light-emitting device; a second light-emitting device including a third light-emitting layer, a second charge-generation layer over the third light-emitting layer, and a fourth light-emitting layer over the second charge-generation layer; a second color filter overlapping with the second light-emitting device; a common electrode included in the first light-emitting device and the second light-emitting device; and an auxiliary wiring electrically connected to the common electrode.Type: GrantFiled: September 5, 2022Date of Patent: October 13, 2026Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Masahiro Katayama, Yukinori Shima, Masataka Nakada, Shingo Eguchi, Daiki Nakamura, Koji Kusunoki
-
Patent number: 12751173Abstract: A high-definition and high-resolution display apparatus is provided. The display apparatus includes a first light-emitting device, a second light-emitting device, an insulating layer, and a first sidewall. The first light-emitting device includes a first pixel electrode, a first light-emitting layer over the first pixel electrode, and a common electrode over the first light-emitting layer. The second light-emitting device includes a second pixel electrode, a second light-emitting layer over the second pixel electrode, and the common electrode over the second light-emitting layer. Each of an end portion of the first pixel electrode and an end portion of the second pixel electrode is covered with the insulating layer. The first sidewall is positioned over the insulating layer and covers a side surface of the first light-emitting layer.Type: GrantFiled: February 24, 2022Date of Patent: September 29, 2026Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Kenichi Okazaki, Shingo Eguchi, Ryota Hodo
-
Patent number: 12740285Abstract: A novel method for fabricating a display apparatus is provided. An anode is formed over an insulating layer, an EL layer is formed over the anode, and a cathode is formed over the EL layer. A plurality of light-emitting elements are formed without provision of a partition by selectively removing parts of the anode, the EL layer, and the cathode. A conductive layer having a light-transmitting property is formed to cover the plurality of light-emitting elements. The cathodes of the plurality of light-emitting elements are electrically connected to the conductive layer.Type: GrantFiled: November 25, 2021Date of Patent: September 15, 2026Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Shingo Eguchi, Kenichi Okazaki, Koji Kusunoki, Kensuke Yoshizumi
-
Publication number: 20260245397Abstract: A display device having both a touch detection function and a function of capturing an image of a shape of a fingerprint or a vein is provided. The display device includes a first substrate, a first light-emitting element, a second light-emitting element, a light-receiving element, a light-blocking layer, a first resin layer, and a second resin layer. The first light-emitting element and the light-receiving element are arranged over the first substrate, and the first resin layer is provided over the first light-emitting element and the light-receiving element. The light-blocking layer is provided over the first resin layer, and the second light-emitting element is provided over the light-blocking layer. The second resin layer is provided over the second light-emitting layer. The first light-emitting element emits visible light upward, and the second light-emitting element emits invisible light upward.Type: ApplicationFiled: April 3, 2026Publication date: August 20, 2026Inventors: Shunpei YAMAZAKI, Shingo EGUCHI, Daisuke KUBOTA, Koji KUSUNOKI, Kazunori WATANABE
-
Patent number: 12713776Abstract: A display device with high display quality is provided. A highly reliable display device is provided. A display device with low power consumption is provided. A display device that can easily achieve higher resolution is provided. A display device with both high display quality and high resolution is provided. A display device with high contrast is provided. The display device includes a first conductive layer, a first insulating layer over the first conductive layer, a second conductive layer including a first region over the first insulating layer and a second region in an opening provided in the first insulating layer, a second insulating layer over the first insulating layer, a third insulating layer over the second region, an EL layer including a third region over the first region, a fourth region over the second insulating layer, and a fifth region over the third insulating layer, and a third conductive layer over the EL layer.Type: GrantFiled: January 25, 2022Date of Patent: August 18, 2026Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Shingo Eguchi, Kenichi Okazaki, Hiroki Adachi
-
Patent number: 12707847Abstract: A display apparatus with a wide viewing angle is provided. The display apparatus includes a first light-emitting element and a second light-emitting element over a substrate. The first light-emitting element includes a first pixel electrode, a first organic layer, and a common electrode, and the second light-emitting element includes a second pixel electrode, a second organic layer, and the common electrode. In a top view of the substrate, the first light-emitting element includes a first side and a second side that is shorter than the first side. An absolute value of a difference between a chromaticity difference between a chromaticity in a front direction and a chromaticity in a first direction and a chromaticity difference between the chromaticity in the front direction and a chromaticity in a second direction is less than or equal to 0.05.Type: GrantFiled: April 13, 2022Date of Patent: August 11, 2026Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Daiki Nakamura, Ryo Yamauchi, Kenichi Okazaki, Shingo Eguchi
-
Publication number: 20260231609Abstract: A display device that can easily achieve higher resolution is provided. A display device having high display quality and high resolution is provided. A display device with high contrast is provided. A highly reliable display device is provided.Type: ApplicationFiled: January 28, 2026Publication date: August 6, 2026Inventors: Yasutaka NAKAZAWA, Rai SATO, Satoru IDOJIRI, Kenichi OKAZAKI, Shingo EGUCHI, Sachiko KAWAKAMI, Nobuharu OHSAWA, Shunpei YAMAZAKI
-
Patent number: 12701890Abstract: A high-resolution display device is provided.Type: GrantFiled: February 8, 2022Date of Patent: August 4, 2026Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Kenichi Okazaki, Shingo Eguchi, Ryota Hodo
-
Patent number: 12696606Abstract: A display device with high resolution is provided. Manufacturing cost of a display device using a micro LED as a display element is reduced. The display device includes a substrate, a plurality of transistors, and a plurality of light-emitting diodes. The plurality of light-emitting diodes are provided in a matrix over the substrate. Each of the plurality of transistors are electrically connected to at least one of the plurality of light-emitting diodes. The plurality of light-emitting diodes are positioned closer to the substrate than the plurality of transistors are. The plurality of light-emitting diodes emit light to the opposite side of the substrate.Type: GrantFiled: April 2, 2024Date of Patent: July 28, 2026Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Koji Kusunoki, Shingo Eguchi, Yosuke Tsukamoto, Kazunori Watanabe, Kouhei Toyotaka
-
Publication number: 20260215098Abstract: A display apparatus that can easily have a high resolution is provided. A display apparatus having high display quality is provided. A display apparatus includes a pixel electrode, an EL layer, an upper electrode, a first insulating layer, a partition, a color filter, and a transistor. The transistor is positioned below the pixel electrode and is connected to the pixel electrode. The first insulating layer has an end portion over the pixel electrode. The partition is positioned over the first insulating layer. The EL layer contains a light-emitting compound and is in contact with a top surface of the pixel electrode and a top surface of the first insulating layer. The upper electrode covers a top surface and an end portion of the EL layer and is in contact with the top surface of the first insulating layer and a side surface of the partition. The color filter is positioned above the upper electrode and the partition and has an end portion overlapping with the partition.Type: ApplicationFiled: January 8, 2026Publication date: July 23, 2026Inventors: Shunpei YAMAZAKI, Yasutaka NAKAZAWA, Rai SATO, Satoru IDOJIRI, Kenichi OKAZAKI, Shingo EGUCHI, Sachiko KAWAKAMI, Nobuharu OHSAWA
-
Patent number: 12690335Abstract: A display device with high display quality is provided. A highly reliable display device is provided. A display device with low power consumption is provided. A display device that can easily achieve a higher resolution is provided. A display device with both high display quality and a high resolution is provided. A display device with high contrast is provided. The display device includes an insulating layer, a first lower electrode, a first EL layer over the first lower electrode, a second lower electrode, a second EL layer over the second lower electrode, and an upper electrode over the first EL layer, over the second EL layer, and over the insulating layer.Type: GrantFiled: January 6, 2022Date of Patent: July 21, 2026Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Kenichi Okazaki, Shingo Eguchi, Hiroki Adachi
-
Patent number: 12677535Abstract: A method for fabricating a novel display device is provided. The method for fabricating the display device includes a step of forming an anode, a first EL layer, a first cathode, and a first layer in this order; a step of forming a first resist mask over the first layer; a step of selectively removing parts of the anode, the first EL layer, the first cathode, and the first layer; a step of removing part of the first resist mask; a step of selectively removing other parts of the first EL layer, the first cathode, and the first layer; and a step of removing the first resist mask. The first resist mask is formed using a multi-tone mask.Type: GrantFiled: March 1, 2022Date of Patent: July 7, 2026Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shingo Eguchi, Hideki Uochi
-
Display apparatus, display module, electronic device, and method for manufacturing display apparatus
Patent number: 12666843Abstract: A high-resolution display apparatus having a function of sensing light is provided. A high-definition display apparatus having a function of sensing light is provided. The display apparatus includes a first light-emitting device, a second light-emitting device, a third light-emitting device, a first light-receiving device, and a second light-receiving device in a first pixel. The first light-emitting device has a function of emitting red light. The second light-emitting device has a function of emitting green light. The third light-emitting device has a function of emitting blue light. The first light-receiving device has a function of sensing light emitted from at least one of the three light-emitting devices. The second light-receiving device has a function of sensing infrared light.Type: GrantFiled: January 17, 2022Date of Patent: June 23, 2026Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Kenichi Okazaki, Koji Kusunoki, Shingo Eguchi, Daisuke Kubota, Yasuhiro Niikura -
Publication number: 20260164795Abstract: A highly reliable display apparatus is provided. In an EL display apparatus including a specific pixel having a function of adding data, a storage node is provided in the pixel, and first data can be held in the storage node. In the pixel, second data is added to the first data through capacitive coupling, whereby third data can be generated. A light-emitting device operates in accordance with the third data. In the pixel, a light-emitting device that requires a high voltage for light emission or a light-emitting device to which application of a high voltage is preferred is provided.Type: ApplicationFiled: April 3, 2025Publication date: June 11, 2026Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei YAMAZAKI, Koji KUSUNOKI, Shingo EGUCHI
-
METHOD FOR MANUFACTURING DISPLAY APPARATUS, DISPLAY APPARATUS, DISPLAY MODULE, AND ELECTRONIC DEVICE
Publication number: 20260157034Abstract: A high-resolution, high-definition, or large display apparatus is provided. A metal mask is placed over an EL layer and film deposition is performed with the metal mask, whereby an island-shaped counter electrode is formed. Then, the EL layer is processed using the counter electrode as a hard mask. Alternatively, after an EL layer and a counter electrode are formed over an entire surface, processing using a metal mask is performed. An insulating layer that electrically insulates adjacent pixel electrodes from each other is positioned between adjacent light-emitting devices. A resist mask is formed over the insulating layer. A plurality of EL layers and a plurality of counter electrodes overlapping each other over the insulating layer are partly removed using the resist mask, whereby part of the insulating layer is exposed. Thus, the adjacent light-emitting devices are electrically insulated from each other over the insulating layer.Type: ApplicationFiled: January 21, 2026Publication date: June 4, 2026Inventors: Shunpei YAMAZAKI, Shingo EGUCHI, Tomoya AOYAMA, Daiki NAKAMURA, Kenichi OKAZAKI -
Patent number: 12641936Abstract: A display unit with high resolution is provided. A display unit with high display quality is provided. A display unit includes a transistor, a light-emitting diode, a first conductive layer over the transistor and electrically connected to the transistor, a second conductive layer over the first conductive layer and electrically connected to the light-emitting diode, a first insulating layer over the transistor, and a second insulating layer over the first insulating layer. The top surface of the first conductive layer is substantially level with the top surface of the first insulating layer, and the bottom surface of the second conductive layer is substantially level with the bottom surface of the second insulating layer. The first insulating layer and the second insulating layer are bonded to each other, and the first conductive layer and the second conductive layer are bonded to each other.Type: GrantFiled: October 29, 2020Date of Patent: May 26, 2026Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Koji Kusunoki, Shingo Eguchi, Takayuki Ikeda
-
Patent number: 12620258Abstract: A display device having both a touch detection function and a function of capturing an image of a shape of a fingerprint or a vein is provided. The display device includes a first substrate, a first light-emitting element, a second light-emitting element, a light-receiving element, a light-blocking layer, a first resin layer, and a second resin layer. The first light-emitting element and the light-receiving element are arranged over the first substrate, and the first resin layer is provided over the first light-emitting element and the light-receiving element. The light-blocking layer is provided over the first resin layer, and the second light-emitting element is provided over the light-blocking layer. The second resin layer is provided over the second light-emitting layer. The first light-emitting element emits visible light upward, and the second light-emitting element emits invisible light upward.Type: GrantFiled: October 9, 2024Date of Patent: May 5, 2026Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Shingo Eguchi, Daisuke Kubota, Koji Kusunoki, Kazunori Watanabe
-
Publication number: 20260076031Abstract: A novel light-emitting device that is highly convenient, useful, or reliable is provided. A novel functional panel that is highly convenient, useful, or reliable is provided. The light-emitting device includes an insulating film, a group of structure bodies, a layer containing a light-emitting material, a first electrode, and a second electrode. The group of structure bodies includes a structure body and a different structure body, a first distance is provided between the different structure body and the structure body, the insulating film includes a first surface, the structure body includes a sidewall, the sidewall forms a first angle with the first surface, and the first angle is greater than 0°and less than or equal to 90°.Type: ApplicationFiled: June 26, 2025Publication date: March 12, 2026Inventors: Shunpei YAMAZAKI, Daiki NAKAMURA, Ryo HATSUMI, Rai SATO, Shingo EGUCHI
-
Method for manufacturing display apparatus, display apparatus, display module, and electronic device
Patent number: 12563895Abstract: A high-resolution, high-definition, or large display apparatus is provided. A metal mask is placed over an EL layer and film deposition is performed with the metal mask, whereby an island-shaped counter electrode is formed. Then, the EL layer is processed using the counter electrode as a hard mask. Alternatively, after an EL layer and a counter electrode are formed over an entire surface, processing using a metal mask is performed. An insulating layer that electrically insulates adjacent pixel electrodes from each other is positioned between adjacent light-emitting devices. A resist mask is formed over the insulating layer. A plurality of EL layers and a plurality of counter electrodes overlapping each other over the insulating layer are partly removed using the resist mask, whereby part of the insulating layer is exposed. Thus, the adjacent light-emitting devices are electrically insulated from each other over the insulating layer.Type: GrantFiled: November 25, 2021Date of Patent: February 24, 2026Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Shingo Eguchi, Tomoya Aoyama, Daiki Nakamura, Kenichi Okazaki