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公开(公告)号:US12230696B2
公开(公告)日:2025-02-18
申请号:US18606052
申请日:2024-03-15
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor: Shunpei Yamazaki , Hideomi Suzawa , Shinya Sasagawa , Motomu Kurata , Masashi Tsubuku
IPC: H01L29/66 , H01L21/02 , H01L27/12 , H01L27/146 , H01L29/786
Abstract: The on-state characteristics of a transistor are improved and thus, a semiconductor device capable of high-speed response and high-speed operation is provided. A highly reliable semiconductor device showing stable electric characteristics is made. The semiconductor device includes a transistor including a first oxide layer; an oxide semiconductor layer over the first oxide layer; a source electrode layer and a drain electrode layer in contact with the oxide semiconductor layer; a second oxide layer over the oxide semiconductor layer; a gate insulating layer over the second oxide layer; and a gate electrode layer over the gate insulating layer. An end portion of the second oxide layer and an end portion of the gate insulating layer overlap with the source electrode layer and the drain electrode layer.
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公开(公告)号:US20250056837A1
公开(公告)日:2025-02-13
申请号:US18928429
申请日:2024-10-28
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor: Shunpei YAMAZAKI , Junichi KOEZUKA , Masami JINTYOU , Yukinori SHIMA , Takashi HAMOCHI , Yasutaka NAKAZAWA
IPC: H01L29/786 , G02F1/1333 , G02F1/1335 , G02F1/1339 , G02F1/1368 , H01L27/12 , H01L29/10 , H01L29/45 , H10K59/121
Abstract: A semiconductor device comprising an oxide semiconductor film, a gate electrode, a first insulating film, a source electrode, a drain electrode, and a second insulating film is provided. Each of a top surface of the gate electrode, a top surface of the source electrode, and a top surface of the drain electrode comprises a region in contact with the second insulating film. A top surface of the first insulating film comprises a region in contact with the gate electrode and a region in contact with the second insulating film and overlapping with the oxide semiconductor film in a cross-sectional view of the oxide semiconductor film. The oxide semiconductor film comprises a region in contact with the first insulating film and a region in contact with the second insulating film and adjacent to the region in contact with the first insulating film in the cross-sectional view.
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公开(公告)号:US20250056786A1
公开(公告)日:2025-02-13
申请号:US18723731
申请日:2022-12-15
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor: Shunpei YAMAZAKI , Ryota HODO , Tatsuya ONUKI , Kiyoshi KATO
IPC: H10B12/00
Abstract: A semiconductor device that can be miniaturized or highly integrated is provided. The semiconductor device includes a transistor and a capacitor; the transistor includes an oxide, a first conductor and a second conductor over the oxide, a first insulator that is placed over the first conductor and the second conductor and includes a first opening and a second opening, a second insulator in the first opening of the first insulator, and a third conductor over the second insulator; the first opening in the first insulator includes a region overlapping with the oxide; the third conductor includes a region overlapping with the oxide with the second insulator therebetween; the capacitor includes the second conductor, a third insulator in the second opening of the first insulator, and a fourth conductor over the third insulator; and the distance between the first conductor and the second conductor is smaller than the width of the first opening in a cross-sectional view of the transistor in a channel length direction.
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公开(公告)号:US20250054523A1
公开(公告)日:2025-02-13
申请号:US18932891
申请日:2024-10-31
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor: Takeshi AOKI , Yoshiyuki KUROKAWA , Munehiro KOZUMA , Takuro KANEMURA , Tatsunori INOUE
Abstract: A semiconductor device with a small circuit area and low power consumption is provided. The semiconductor device includes first to fourth cells, a current mirror circuit, and first to fourth wirings, and the first to fourth cells each include a first transistor, a second transistor, and a capacitor. In each of the first to fourth cells, a first terminal of the first transistor is electrically connected to a first terminal of the capacitor and a gate of the second transistor. The first wiring is electrically connected to first terminals of the second transistors in the first cell and the second cell, the second wiring is electrically connected to first terminals of the second transistors in the third cell and the fourth cell, the third wiring is electrically connected to second terminals of the capacitors in the first cell and the third cell, and the fourth wiring is electrically connected to second terminals of the capacitors in the second cell and the fourth cell. The current mirror circuit is electrically connected to the first wiring and the second wiring.
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公开(公告)号:US12225748B2
公开(公告)日:2025-02-11
申请号:US18788835
申请日:2024-07-30
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor: Satoshi Seo , Tatsuyoshi Takahashi , Takeyoshi Watabe , Satomi Mitsumori
IPC: H10K50/12 , C07F15/00 , C09K11/06 , H10K50/11 , H10K50/15 , H10K50/16 , H10K59/12 , H10K59/38 , H10K59/40 , H10K85/30 , H10K85/60 , H10K101/00 , H10K101/10 , H10K101/30 , H10K101/40
Abstract: A light-emitting element with high emission efficiency. The light-emitting element includes a first organic compound, a second organic compound, and a guest material. The LUMO level of the first organic compound is lower than the LUMO level of the second organic compound. The HOMO level of the first organic compound is lower than the HOMO level of the second organic compound. The HOMO level of the guest material is higher than the HOMO level of the second organic compound. The energy difference between the LUMO level of the guest material and the HOMO level of the guest material is larger than the energy difference between the LUMO level of the first organic compound and the HOMO level of the second organic compound. The guest material has a function of converting triplet excitation energy into light emission. The first organic compound and the second organic compound form an exciplex.
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公开(公告)号:US12225739B2
公开(公告)日:2025-02-11
申请号:US18626592
申请日:2024-04-04
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor: Tatsuya Honda , Masashi Tsubuku , Yusuke Nonaka , Takashi Shimazu , Shunpei Yamazaki
IPC: G02F1/1337 , G02F1/1333 , G02F1/1339 , G02F1/1343 , H01L21/02 , H01L27/12 , H01L29/04 , H01L29/24 , H01L29/51 , H01L29/66 , H10K59/121
Abstract: A semiconductor device includes a gate electrode, a gate insulating film which includes oxidized material containing silicon and covers the gate electrode, an oxide semiconductor film provided to be in contact with the gate insulating film and overlap with at least the gate electrode, and a source electrode and a drain electrode electrically connected to the oxide semiconductor film. In the oxide semiconductor film, a first region which is provided to be in contact with the gate insulating film and have a thickness less than or equal to 5 nm has a silicon concentration lower than or equal to 1.0 at. %, and a region in the oxide semiconductor film other than the first region has lower silicon concentration than the first region. At least the first region includes a crystal portion.
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公开(公告)号:US12222683B2
公开(公告)日:2025-02-11
申请号:US18205268
申请日:2023-06-02
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor: Ryota Tajima , Kensuke Yoshizumi
IPC: G04B37/14 , A44C5/00 , A44C5/14 , G04G17/06 , G04G19/00 , H01M50/202 , H01M50/569 , H02J7/00
Abstract: A device capable of being used for a long time is achieved. A power supply, a connection method of a power supply, or a connecting member, for easy attachment and detachment and non-detachment when in use, is provided. A power supply, a connection method of a power supply, or a connecting member for easy replacement is provided. A highly designed power supply is provided. Power from a battery is supplied to an electronic device through a connecting member including a pipe, a spring, and a pair of pivots. The pair of pivots are electrically insulated from each other, and electrically connected to any one of a pair of electrodes of the battery. The electronic device into which the pair of pivots are inserted includes a pair of bearings capable of receiving power.
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公开(公告)号:US20250048909A1
公开(公告)日:2025-02-06
申请号:US18718878
申请日:2022-12-16
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor: Yuichi YANAGISAWA , Daiki NAKAMURA , Hiromi SAWAI , Ryota HODO
IPC: H10K59/88 , H10K59/122 , H10K59/80
Abstract: A display apparatus with high display quality is provided. In the display apparatus, a dummy pixel portion is a region that does not contribute to display. The dummy pixel portion is positioned adjacent to the outside of a pixel portion in a plan view. The pixel portion includes a first insulating layer, a first pixel electrode and a second pixel electrode over the first insulating layer, a first layer over the first pixel electrode, a second layer over the second pixel electrode, and a common electrode over the first layer and the second layer. The dummy pixel portion includes the first insulating layer, a first conductive layer and a second conductive layer over the first insulating layer, a third layer over the first conductive layer, a fourth layer over the second conductive layer, and the common electrode over the third layer and the fourth layer. The first insulating layer includes a first groove and a second groove. The first groove includes a first region overlapping with the first pixel electrode and a second region overlapping with the second pixel electrode. The second groove includes a third region overlapping with the first conductive layer and a fourth region overlapping with the second conductive layer.
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公开(公告)号:US20250048676A1
公开(公告)日:2025-02-06
申请号:US18713288
申请日:2022-11-17
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor: Ryota HODO , Satoru SAITO , Hitoshi KUNITAKE , Shunpei YAMAZAKI , Masahiro WAKUDA , Toshiki HAMADA
IPC: H01L29/423 , H01L29/66 , H01L29/786
Abstract: A semiconductor device that can be miniaturized or highly integrated and a manufacturing method thereof are provided. A semiconductor device includes a metal oxide, a first conductor and a second conductor over the metal oxide, a first insulator positioned over the metal oxide and between the first conductor and the second conductor, a second insulator over the first insulator, a third insulator over the second insulator, a third conductor over the third insulator, a fourth insulator positioned between the first conductor and the first insulator, and a fifth insulator positioned between the second conductor and the first insulator. The first insulator is in contact with the top surface and the side surface of the metal oxide, and oxygen is less likely to pass through the first insulator than the second insulator. The first conductor, the second conductor, the fourth insulator, and the fifth insulator contain the same metal element. In a cross-sectional view in a channel length direction, a distance from the first conductor to the first insulator is greater than or equal to a thickness of the first insulator and less than or equal to a distance from the third conductor to the metal oxide.
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公开(公告)号:US20250046937A1
公开(公告)日:2025-02-06
申请号:US18713462
申请日:2022-11-18
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor: Yasuhiro JINBO , Yosuke TSUKAMOTO , Kazutaka KURIKI , Tetsuji ISHITANI , Shuhei YOSHITOMI , Takeshi OSADA
IPC: H01M50/247 , H01M10/0525 , H01M10/42 , H01M10/48 , H01M50/238 , H01M50/284
Abstract: A safe charging environment with respect to a flexible battery capable of following the movement of a housing is provided. A flexible battery management system or an electronic device mounted with the flexible battery includes a sensor that senses a movement of the flexible battery and a charge control circuit having a function of starting charging or stopping charging of the flexible battery on the basis of a signal from the sensor; charging of the flexible battery is started using the charge control circuit when the sensor senses the flexible battery in a first mode where the flexible battery is opened and senses the flexible battery in a second mode where the flexible battery is curved.
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