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公开(公告)号：US20240164196A1
公开(公告)日：2024-05-16
申请号：US18417153
申请日：2024-01-19
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Daisuke KUBOTA , Ryo HATSUMI , Taisuke KAMADA , Yuji IWAKI , Junpei MOMO , Shunpei YAMAZAKI
IPC: H10K65/00 , A61B5/00 , A61B5/1172 , A61B5/145 , A61B5/1455 , G06F3/044 , G06V40/12 , G06V40/13 , H01L25/18 , H10K30/80 , H10K59/40
CPC classification number: H10K65/00 , A61B5/1172 , A61B5/14532 , A61B5/14552 , A61B5/4872 , G06F3/0443 , G06V40/1318 , G06V40/1365 , H01L25/18 , H10K30/80 , H10K59/40 , G09F9/33
Abstract: A display device having a photosensing function is provided. A display device having a biometric authentication function typified by fingerprint authentication is provided. A display device having a touch panel function and a biometric authentication function is provided. The display device includes a first substrate, a light guide plate, a first light-emitting element, a second light-emitting element, and a light-receiving element. The first substrate and the light guide plate are provided to face each other. The first light-emitting element and the light-receiving element are provided between the first substrate and the light guide plate. The first light-emitting element has a function of emitting first light through the light guide plate. The second light-emitting element has a function of emitting second light to a side surface of the light guide plate. The light-receiving element has functions of receiving the first light and converting the first light into an electric signal and functions of receiving the second light and converting the second light into an electric signal. The first light includes visible light, and the second light includes infrared light.
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公开(公告)号：US20240127622A1
公开(公告)日：2024-04-18
申请号：US18370907
申请日：2023-09-21
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Koji KUSUNOKI , Daisuke KUBOTA , Ryo HATSUMI
CPC classification number: G06V40/1318 , G06F3/0412 , G06F3/042 , G06V40/1365 , G06V40/50 , H10K65/00
Abstract: An electronic device capable of detecting a difference in the way of touch is provided. An electronic device capable of detecting a difference in the way of touch with a small number of components is provided. An electronic device capable of executing various types of processes with simple operation is provided. The electronic device includes a control portion and a display portion. The display portion has a function of displaying an image on a screen and includes a detection portion. The detection portion has a function of detecting a touch operation and a function of imaging, at least twice, a detection object touching the screen. The control portion has a function of calculating a difference between the area of the detection object in first imaging and the area of the detection object in second imaging to execute a different process depending on whether the difference is larger or smaller than a reference.
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公开(公告)号：US20240111385A1
公开(公告)日：2024-04-04
申请号：US18379287
申请日：2023-10-12
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Daisuke Kubota , Ryo HATSUMI , Taisuke KAMADA
CPC classification number: G06F3/044 , G02B6/4298 , G06F3/042 , G06V40/1318
Abstract: A display device having a photosensing function is provided. A display device having a biometric authentication function typified by fingerprint authentication is provided. A display device having both a touch panel function and a biometric authentication function is provided. The display device includes a first substrate, a light guide plate, a first light-emitting element, a second light-emitting element, and a light-receiving element. The first substrate and the light guide plate are provided to face each other. The first light-emitting element and the light-receiving element are provided between the first substrate and the light guide plate. The first light-emitting element has a function of emitting first light through the light guide plate. The second light-emitting element has a function of emitting second light to a side surface of the light guide plate. The light-receiving element has a function of receiving the second light and converting the second light into an electric signal. The first light includes visible light, and the second light includes infrared light.
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公开(公告)号：US20240099038A1
公开(公告)日：2024-03-21
申请号：US17768150
申请日：2020-10-05
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Daisuke Kubota , Taisuke KAMADA , Ryo HATSUMI , Koji KUSUNOKI , Kazunori WATANABE , Susumu KAWASHIMA
IPC: H10K39/34 , H10K50/858
CPC classification number: H10K39/34 , H10K50/858
Abstract: A display apparatus having a photoelectric conversion function with high sensitivity is provided. The light extraction efficiency of the display apparatus is increased. The display apparatus includes a light-emitting device, a light-emitting and light-receiving device, a first lens, and a second lens. The light-emitting device has a function of emitting light of a first color. The light-emitting and light-receiving device has a function of emitting light of a second color and a function of receiving light of the first color and converting it into an electric signal. The light emitted by the light-emitting device is emitted to the outside of the display apparatus through the first lens. Light enters the light-emitting and light-receiving device from the outside of the display apparatus through the second lens.
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公开(公告)号：US20240090248A1
公开(公告)日：2024-03-14
申请号：US18273079
申请日：2022-01-17
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Daisuke KUBOTA , Ryo HATSUMI , Shunpei YAMAZAKI
IPC: H10K39/34 , H10K59/122 , H10K59/35
CPC classification number: H10K39/34 , H10K59/122 , H10K59/353
Abstract: A display apparatus having both a personal authentication function and a high resolution is provided. The display apparatus includes a display portion and a sensor portion. The display portion includes a first light-emitting element and a second light-emitting element. The first light-emitting element includes a first EL layer. The second light-emitting element includes a second EL layer. The sensor portion includes a light-receiving element. The first light-emitting element has a function of emitting infrared light. The light-receiving element has a function of detecting infrared light. A distance between the first EL layer and the second EL layer is less than or equal to 6 μm.
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Patent Agency Ranking
公开(公告)号：US20230157123A1
公开(公告)日：2023-05-18
申请号：US17916662
申请日：2021-04-02
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Daisuke KUBOTA , Ryo HATSUMI
CPC classification number: H10K59/40 , H10K59/873 , H01L27/14678
Abstract: An imaging device or a display device that is capable of clearly capturing an image of a fingerprint or the like can be provided. The display device includes a light-receiving element, a light-emitting element, a first substrate, a second substrate, a first resin layer, a second resin layer, and a light-blocking layer. The first resin layer, the second resin layer, and the second substrate are stacked over the first substrate. The light-receiving element and the light-emitting element are positioned between the first substrate and the first resin layer. The light-blocking layer is positioned between the first resin layer and the second resin layer and includes an opening portion overlapping with the light-receiving element. The opening portion in the light-blocking layer is positioned on an inner side of a light-receiving region of the light-receiving element in a plan view, and the width of the opening portion is less than or equal to the width of the light-receiving region. The second substrate is thicker than the first resin layer and the second resin layer. The thickness of a portion of the first resin layer, which overlaps with the light-receiving region of the light-receiving element, is greater than or equal to one time and less than or equal to 10 times as large as the width of the light-receiving region. The second substrate has a higher refractive index than the first resin layer and the second resin layer.
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公开(公告)号：US20230032743A1
公开(公告)日：2023-02-02
申请号：US17963268
申请日：2022-10-11
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Daisuke KUBOTA , Ryo HATSUMI , Taisuke KAMADA , Koji KUSUNOKI , Kazunori WATANABE , Susumu KAWASHIMA , Kensuke YOSHIZUMI
Abstract: A display device featuring a touch detection and a fingerprint imaging functions is provided. A display device includes a light-emitting element and a light-receiving element. The light-emitting element includes a first pixel electrode, a light-emitting layer, and a common electrode, and the light-receiving element includes a second pixel electrode, an active layer, and the common electrode. The first pixel electrode and the second pixel electrode are provided on the same plane. The common electrode overlaps with the first pixel electrode with the light-emitting layer therebetween, and overlaps with the second pixel electrode with the active layer therebetween. A first conductive layer, a second conductive layer, and an insulating layer are provided above the common electrode. The insulating layer is provided above the first conductive layer, and the second conductive layer is provided above the insulating layer. The light-receiving element has a function of receiving light emitted from the light-emitting element.
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公开(公告)号：US20220107535A1
公开(公告)日：2022-04-07
申请号：US17550081
申请日：2021-12-14
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Ryo HATSUMI , Daisuke KUBOTA , Hiroyuki MIYAKE
IPC: G02F1/1337 , G02F1/1333 , G02F1/1343 , G02F1/1362
Abstract: A display device with less light leakage and excellent contrast is provided. A display device having a high aperture ratio and including a large-capacitance capacitor is provided. A display device in which wiring delay due to parasitic capacitance is reduced is provided. A display device includes a transistor over a substrate, a pixel electrode connected to the transistor, a signal line electrically connected to the transistor, a scan line electrically connected to the transistor and intersecting with the signal line, and a common electrode overlapping with the pixel electrode and the signal line with an insulating film provided therebetween. The common electrode includes stripe regions extending in a direction intersecting with the signal line.
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公开(公告)号：US20220037406A1
公开(公告)日：2022-02-03
申请号：US17298805
申请日：2020-04-27
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Daisuke KUBOTA , Ryo HATSUMI , Taisuke KAMADA
Abstract: A display device having a biometric authentication function is provided. A highly convenient display device is provided. The display device includes a first substrate, a light guide plate, a plurality of first light-emitting elements, a second light-emitting element, and a plurality of light-receiving elements. The light guide plate includes a first portion having a first surface and a second portion having a second surface that connects with the first surface and has a different normal direction from the first surface. The first light-emitting elements and the light-receiving elements are provided between the first substrate and the light guide plate. The first light-emitting elements have a function of emitting first light through the light guide plate, and the second light-emitting element has a function of emitting second light to a side surface of the light guide plate. The light-receiving elements have a function of receiving the second light and converting the second light to an electric signal. The first light includes visible light, and the second light includes infrared light.
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公开(公告)号：US20210327979A1
公开(公告)日：2021-10-21
申请号：US17272397
申请日：2019-08-30
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Taisuke KAMADA , Ryo HATSUMI , Daisuke KUBOTA , Daiki NAKAMURA
Abstract: A display device having a photosensing function is provided. A highly convenient display device is provided. The display device includes a light-receiving element and a light-emitting element in a display portion. The light-receiving element includes a first pixel electrode, an active layer, and a common electrode. The light-emitting element includes a second pixel electrode, a light-emitting layer, and a common electrode. The active layer is positioned over the first pixel electrode. The active layer contains a first organic compound. The light-emitting layer is positioned over the second pixel electrode. The light-emitting layer contains a second organic compound different from the first organic compound. The common electrode includes a portion overlapping with the first pixel electrode with the active layer provided therebetween, and a portion overlapping with the second pixel electrode with the light-emitting layer provided therebetween. The display device preferably further includes a common layer positioned over the first pixel electrode and the second pixel electrode. The common layer includes a portion overlapping with the active layer and a portion overlapping with the light-emitting layer.
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