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公开(公告)号：US20240379690A1
公开(公告)日：2024-11-14
申请号：US18767164
申请日：2024-07-09
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Satoshi YOSHIMOTO , Koji KUSUNOKI , Kazunori WATANABE , Susumu KAWASHIMA , Marina HIYAMA , Motoharu SAITO
Abstract: A highly functional semiconductor device is provided. The semiconductor device includes a first transistor and a second transistor. The first transistor includes a first semiconductor layer, a first gate electrode, a first electrode, and a second electrode. The second transistor includes a second semiconductor layer, a second gate electrode, a third electrode, and a fourth electrode. The first gate electrode and the second gate electrode are connected to each other, and the second electrode and the third electrode are connected to each other. A first insulating layer, a second insulating layer, and a second semiconductor layer are stacked over the first semiconductor layer. The first insulating layer is less likely to diffuse hydrogen than the second insulating layer. The second insulating layer contains oxide, the first semiconductor layer contains polycrystalline silicon, and the second semiconductor layer contains a metal oxide. The first transistor is a p-channel transistor and the second transistor is an n-channel transistor.
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公开(公告)号：US20240105138A1
公开(公告)日：2024-03-28
申请号：US18529032
申请日：2023-12-05
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Susumu KAWASHIMA , Koji KUSUNOKI , Kazunori WATANABE , Naoto KUSUMOTO
IPC: G09G3/36 , G02F1/1368
CPC classification number: G09G3/3648 , G02F1/1368 , G09G3/3696 , G09G2300/0426 , G09G2330/021
Abstract: A display apparatus with low-power consumption is provided. The display apparatus includes an inverter circuit and a pixel having a function of adding data, and the inverter circuit has a function of inverting data supplied from a source driver. The inverter circuit has a function of inverting data supplied from a source driver. The pixel has a function of adding data supplied from the source driver and the inverter circuit. Accordingly, the pixel can generate a voltage several times higher than the output voltage of the source driver and can supply the voltage to a display device. With such a structure, the output voltage of the source driver can be lowered, so that a display apparatus with low power consumption can be achieved.
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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：US20230376076A1
公开(公告)日：2023-11-23
申请号：US18136384
申请日：2023-04-19
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Koji KUSUNOKI , Hiroyuki MIYAKE , Kazunori WATANABE
CPC classification number: G06F1/1652 , G06F3/04166 , G06F3/0445 , G06F3/0446 , H10K59/40 , H10K77/111 , G06F3/0412 , G06F3/045 , G06F3/0488 , G06F15/0216 , G06F2203/04111 , G06F2203/04112 , G06F1/1618 , G06F1/1677 , Y02E10/549 , G06F2200/1633 , G06F2203/04101 , G06F2203/04102 , G06F2203/04104 , G06F2203/04808
Abstract: To increase the detection sensitivity of a touch panel, provide a thin touch panel, provide a foldable touch panel, or provide a lightweight touch panel. A display element and a capacitor forming a touch sensor are provided between a pair of substrates. Preferably, a pair of conductive layers forming the capacitor each have an opening. The opening and the display element are provided to overlap each other. A light-blocking layer is provided between a substrate on the display surface side and the pair of conductive layers forming the capacitor.
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公开(公告)号：US20230326934A1
公开(公告)日：2023-10-12
申请号：US18022329
申请日：2021-08-17
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Satoshi YOSHIMOTO , Koji KUSUNOKI , Kazunori WATANABE , Susumu KAWASHIMA , Marina HIYAMA , Motoharu SAITO
CPC classification number: H01L27/1248 , G09G3/20 , G09G2310/0291 , G09G2330/021 , G09G2310/0286 , G09G2310/08 , G09G2300/0426
Abstract: A highly functional semiconductor device is provided. The semiconductor device includes a first transistor and a second transistor. The first transistor includes a first semiconductor layer, a first gate electrode, a first electrode, and a second electrode. The second transistor includes a second semiconductor layer, a second gate electrode, a third electrode, and a fourth electrode. The first gate electrode and the second gate electrode are connected to each other, and the second electrode and the third electrode are connected to each other. A first insulating layer, a second insulating layer, and a second semiconductor layer are stacked over the first semiconductor layer. The first insulating layer is less likely to diffuse hydrogen than the second insulating layer. The second insulating layer contains oxide, the first semiconductor layer contains polycrystalline silicon, and the second semiconductor layer contains a metal oxide. The first transistor is a p-channel transistor and the second transistor is an n-channel transistor.
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Patent Agency Ranking
公开(公告)号：US20230301157A1
公开(公告)日：2023-09-21
申请号：US18021024
申请日：2021-08-31
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Shunpei YAMAZAKI , Shingo EGUCHI , Daisuke KUBOTA , Koji KUSUNOKI , Kazunori WATANABE
CPC classification number: H10K59/65 , H10K59/8792 , H10K59/40 , G06V40/1318 , H04M1/0264
Abstract: 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. The light-receiving element is a photoelectric conversion element having sensitivity to visible light and invisible light. In a plan view, the light-blocking layer includes a portion positioned between the first light-emitting element and the light-receiving element, and the second light-emitting element overlaps with the light-blocking layer and is positioned inside the outline of the light-blocking layer.
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公开(公告)号：US20230238369A1
公开(公告)日：2023-07-27
申请号：US17927387
申请日：2021-06-16
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Koji KUSUNOKI , Daisuke KUBOTA , Kazunori WATANABE , Susumu KAWASHIMA , Satoshi YOSHIMOTO
IPC: H01L25/16 , H01L25/075 , H01L33/62 , H01L27/12 , G06V40/13
CPC classification number: H01L25/167 , H01L25/0753 , H01L33/62 , H01L27/1225 , G06V40/1318
Abstract: A display apparatus having a noncontact input function is provided. The display apparatus has a first function of detecting, with a light-receiving device, light irradiated from a light source outside a display portion and blocked by a pointing object to recognize the position pointed by the pointing object, and a second function of detecting, with the light-receiving device, light irradiated from a light source inside or outside the display portion and reflected by the pointing object to recognize the position pointed by the pointing object. The display apparatus can operate by switching the first function and the second function in accordance with the intensity of the light irradiated from the light source outside the display portion.
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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：US20220367595A1
公开(公告)日：2022-11-17
申请号：US17711172
申请日：2022-04-01
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Shunpei YAMAZAKI , Koji KUSUNOKI , Kazunori WATANABE , Susumu KAWASHIMA , Kei TAKAHASHI
Abstract: A novel display panel that is highly convenient or reliable is provided. A novel display device is provided. The display panel includes a display region, a first terminal region, and a second terminal region, and the first terminal region is provided not to block the display region and includes a region overlapping with the display region. The first terminal region includes a first group of terminals, and the first group of terminals includes a first terminal. The second terminal region includes a second group of terminals, and the second group of terminals includes a second terminal. The display region includes one group of pixels, another group of pixels, a scan line, and a signal line. The one group of pixels includes a pixel and is arranged in a row direction. The another group of pixels includes the pixel and is arranged in a column direction intersecting the row direction. The scan line is electrically connected to the one group of pixels. The signal line is electrically connected to the another group of pixels, and the signal line is electrically connected to the first terminal and the second terminal.
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公开(公告)号：US20220327187A1
公开(公告)日：2022-10-13
申请号：US17623294
申请日：2020-06-30
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Satoshi YOSHIMOTO , Susumu KAWASHIMA , Koji KUSUNOKI , Kazunori WATANABE
Abstract: A semiconductor device including a biometric recognition function and a touch sensor or near touch sensor function is provided. The semiconductor device includes a light-emitting device and an imaging device. The imaging device includes a gate driver circuit and m rows of pixels (m is an integer more than or equal to 2). The gate driver circuit includes a plurality of first register circuits and second register circuits whose number is less than that of the first register circuits. The first register circuits are connected with each other in series and the second register circuits are connected with each other in series. The gate driver circuit has a function of operating in the first mode and the second mode. In the first mode, the first register circuits are in the on state and the second register circuits are in the off state, and in the second mode, the second register circuits are in the on state and the first register circuits are in the off state.
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