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公开(公告)号：US20230062265A1
公开(公告)日：2023-03-02
申请号：US17841930
申请日：2022-06-16
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Yasuhiro NIIKURA , Daisuke KUBOTA , Taisuke KAMADA , Sachiko KAWAKAMI , Anna TADA , Satoshi SEO
IPC: C07C211/54 , H01L27/28 , C07D209/82 , C07D307/91 , C07D405/12 , C07D409/12 , C07D333/76 , C07C15/38 , C07C15/20 , C07C15/28 , C07D495/22 , C07D495/14 , C07D495/04 , C07D333/18 , C07D471/06 , C07D251/24 , C07D403/14 , C07D401/10 , C07D235/08 , C07D519/00 , C07D409/10 , C07D403/10 , C07D491/048 , C07F7/22 , C07F15/00 , C07D413/10 , C07D405/04 , C07D221/20 , C07D409/14 , C07D219/16 , C07D471/14 , H01L51/00
Abstract: A light-receiving device in which an increase in driving voltage is inhibited is provided. Any of the following light-receiving devices is provided: a light-receiving device that includes a light-receiving layer between a pair of electrodes and in which the light-receiving layer includes an active layer, a buffer layer, and an electron-transport layer, the buffer layer is between the active layer and the electron-transport layer and is in contact with the active layer, and the buffer layer includes an organic compound having an electron-withdrawing group; a light-receiving device that includes a light-receiving layer between a pair of electrodes and in which the light-receiving layer includes an active layer, a buffer layer, and an electron-transport layer, the buffer layer is between the active layer and the electron-transport layer and is in contact with the active layer, and the buffer layer includes a heteroaromatic compound having an electron-withdrawing group.
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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：US20220278172A1
公开(公告)日：2022-09-01
申请号：US17631566
申请日：2020-07-22
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Daisuke Kubota , Taisuke KAMADA
IPC: H01L27/30 , H01L27/32 , G06F3/042 , G09G3/3225
Abstract: A novel functional panel that is highly convenient, useful, or reliable is provided. The functional panel includes a first element and a second element. The first element includes a first electrode, a second electrode, and a first optical functional layer. The first optical functional layer includes a region interposed between the first electrode and the second electrode. The first optical functional layer includes a first layer and a layer containing a first light-emitting material. The second element includes a third electrode, the second electrode, and a second optical functional layer. The second optical functional layer includes a region interposed between the third electrode and the second electrode. The second optical functional layer includes the first layer and a layer containing a photoelectric conversion material. The first layer includes a region interposed between the layer containing the first light-emitting material and the second electrode and a region interposed between the layer containing the photoelectric conversion material and the second electrode. The layer containing the photoelectric conversion material contains an organic high molecular material.
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公开(公告)号：US20220102430A1
公开(公告)日：2022-03-31
申请号：US17420496
申请日：2020-01-08
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Shunpei YAMAZAKI , Koji KUSUNOKI , Daisuke KUBOTA , Taisuke KAMADA
IPC: H01L27/28
Abstract: A display device having a non-contact input function without contact is provided. A first light-emitting device that performs display, a second light-emitting device that emits light for detection, and a light-receiving device are included, and the light-receiving device has a function of detecting light that has been emitted by the second light-emitting device and reflected by an object. Near-infrared light, which has substantially no visibility, is used as the light emitted by the second light-emitting device. Therefore, the light emitted from a display portion even at high luminance does not affect visual recognition of the display. In addition, when the light is emitted at high luminance, an object that is positioned away from the display device can be detected with high sensitivity.
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35.发明申请公开(公告)号：US20220069025A1
公开(公告)日：2022-03-03
申请号：US17414502
申请日：2019-12-19
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Shunpei YAMAZAKI , Daisuke KUBOTA , Nobuharu OHSAWA , Takeyoshi WATABE , Taisuke KAMADA
Abstract: A display device that has a function of emitting visible light and infrared light and a function of detecting light. The display device is a display device including a first light-emitting device, a second light-emitting device, and a light-receiving device, in a display portion. The first light-emitting device includes a first pixel electrode, a first optical adjustment layer, a first light-emitting layer, a second light-emitting layer, and a common electrode. The second light-emitting device includes a second pixel electrode, a second optical adjustment layer, the first light-emitting layer, the second light-emitting layer, and the common electrode. The light-receiving device includes a third pixel electrode, an active layer, and the common electrode. The active layer includes an organic compound. The first light-emitting device emits infrared light emitted by the first light-emitting layer. The second light-emitting device emits visible light emitted by the second light-emitting layer. The light-receiving device has a function of absorbing at least part of visible light and infrared light.
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Patent Agency Ranking
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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公开(公告)号：US20240397755A1
公开(公告)日：2024-11-28
申请号：US18795275
申请日：2024-08-06
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Taisuke KAMADA , Ryo HATSUMI , Daisuke KUBOTA , Daiki NAKAMURA
IPC: H10K59/122 , H05B33/12 , H05B33/22 , H10K50/125 , H10K50/858 , H10K50/86 , H10K59/00 , H10K59/35 , H10K102/00
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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公开(公告)号：US20240397741A1
公开(公告)日：2024-11-28
申请号：US18791891
申请日：2024-08-01
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Shunpei YAMAZAKI , Daisuke KUBOTA , Nobuharu OHSAWA , Takeyoshi WATABE , Taisuke KAMADA
IPC: H10K50/13 , H10K50/16 , H10K50/852 , H10K65/00 , H10K102/00
Abstract: A display apparatus having a function of emitting visible light and infrared light and a light detection function is provided. The display apparatus includes a first light-emitting device, a second light-emitting device, and a light-receiving device in a display portion. The first light-emitting device emits both visible light and infrared light and the second light-emitting device emits visible light. The light-receiving device has a function of absorbing at least part of visible light and infrared light. The first light-emitting device includes a first pixel electrode, a first light-emitting layer, a second light-emitting layer, and a common electrode. The second light-emitting device includes a second pixel electrode, a third light-emitting layer, and the common electrode. The light-receiving device includes a third pixel electrode, an active layer, and the common electrode. The first light-emitting layer includes a light-emitting material emitting infrared light. The second light-emitting layer and the third light-emitting layer include light-emitting materials emitting visible light with different wavelengths. The active layer includes an organic compound.
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公开(公告)号：US20240357929A1
公开(公告)日：2024-10-24
申请号：US18682365
申请日：2022-08-03
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Yasuhiro NIIKURA , Daisuke KUBOTA , Taisuke KAMADA , Sachiko KAWAKAMI , Anna TADA , Satoshi SEO
IPC: H10K85/60 , H10K30/40 , H10K39/34 , H10K101/30
CPC classification number: H10K85/6572 , H10K30/40 , H10K39/34 , H10K85/636 , H10K85/6576 , H10K2101/30
Abstract: A novel photoelectric conversion device that is highly convenient, useful, or reliable is provided. A photoelectric conversion device (550S) includes a first electrode (551S), a second electrode (552S), and a unit (103S); the unit (103S) is interposed between the first electrode (551S) and the second electrode (552S); the unit (103S) includes a first layer (113) and a second layer (114S); and the first layer (113) is interposed between the second electrode (552S) and the second layer (114S). The first layer (113) contains a first organic compound ETM, the first organic compound ETM has an electron-transport property, and the first organic compound ETM has a LUMO level in a first level LUMO1. The second layer (114S) contains a second organic compound CTM, the second organic compound CTM emits delayed fluorescent light at room temperature, and the second organic compound CTM has a LUMO level in a second level LUMO2. A difference between the second level LUMO2 and the first level LUMO1 is less than or equal to 1.0 eV.
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