JP7007080B2 - Tft回路基板 - Google Patents
Tft回路基板 Download PDFInfo
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- JP7007080B2 JP7007080B2 JP2016141228A JP2016141228A JP7007080B2 JP 7007080 B2 JP7007080 B2 JP 7007080B2 JP 2016141228 A JP2016141228 A JP 2016141228A JP 2016141228 A JP2016141228 A JP 2016141228A JP 7007080 B2 JP7007080 B2 JP 7007080B2
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- insulating film
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/674—Thin-film transistors [TFT] characterised by the active materials
- H10D30/6755—Oxide semiconductors, e.g. zinc oxide, copper aluminium oxide or cadmium stannate
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
- H10D30/673—Thin-film transistors [TFT] characterised by the electrodes characterised by the shapes, relative sizes or dispositions of the gate electrodes
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
- H10D30/6737—Thin-film transistors [TFT] characterised by the electrodes characterised by the electrode materials
- H10D30/6739—Conductor-insulator-semiconductor electrodes
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/01—Manufacture or treatment
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/62—Electrodes ohmically coupled to a semiconductor
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/421—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs having a particular composition, shape or crystalline structure of the active layer
- H10D86/423—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs having a particular composition, shape or crystalline structure of the active layer comprising semiconductor materials not belonging to the Group IV, e.g. InGaZnO
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/441—Interconnections, e.g. scanning lines
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/451—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs characterised by the compositions or shapes of the interlayer dielectrics
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/60—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs wherein the TFTs are in active matrices
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- Thin Film Transistor (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Liquid Crystal (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Electrodes Of Semiconductors (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Electroluminescent Light Sources (AREA)
Description
(2)前記ゲート絶縁膜は前記酸化物半導体の前記ゲート電極に対向する側の一部に形成されていることを特徴とする(1)に記載のTFT回路基板。
Claims (3)
- 酸化物半導体によるTFTを有するTFT回路基板であって、
前記TFTは、酸化物半導体を覆ってゲート絶縁膜が形成され、前記ゲート絶縁膜の上にゲート電極が形成され、
前記酸化物半導体の前記ゲート電極で覆われた部分と前記ゲート電極で覆われていない部分は、第1層間絶縁膜で覆われ、前記第1層間絶縁膜は第1の膜で覆われ、前記第1の膜は、第1のAlO膜で覆われており、
前記第1層間絶縁膜と前記酸化物半導体あるいは前記ゲート電極の間には第2のAlO膜が形成されていることを特徴とするTFT回路基板。 - 前記ゲート絶縁膜は前記酸化物半導体の前記ゲート電極に対向する側の一部に形成されていることを特徴とする請求項1に記載のTFT回路基板。
- 酸化物半導体によるTFTを有するTFT回路基板であって、
前記TFTは、ゲート電極の上にゲート絶縁膜が形成され、その上に酸化物半導体が形成され、前記酸化物半導体の一方にドレイン電極が接続し、前記酸化物半導体の他方にソース電極が接続した構成であり、
前記酸化物半導体、前記ドレイン電極、前記ソース電極を覆って第1層間絶縁膜が形成され、その上に第1の膜が形成され、その上に第1のAlOが形成されており、
前記第1層間絶縁膜と前記酸化物半導体あるいは前記ドレイン電極またはソース電極の間には第2のAlO膜が形成されていることを特徴とするTFT回路基板。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016141228A JP7007080B2 (ja) | 2016-07-19 | 2016-07-19 | Tft回路基板 |
| US15/649,126 US11063154B2 (en) | 2016-07-19 | 2017-07-13 | TFT circuit board and display device having the same |
| US17/347,630 US11742430B2 (en) | 2016-07-19 | 2021-06-15 | TFT circuit board and display device having the same |
| JP2022000800A JP7350903B2 (ja) | 2016-07-19 | 2022-01-06 | Tft回路基板 |
| US18/346,927 US12166135B2 (en) | 2016-07-19 | 2023-07-05 | TFT circuit board and display device having the same |
| US18/939,825 US20250063767A1 (en) | 2016-07-19 | 2024-11-07 | Tft circuit board and display device having the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016141228A JP7007080B2 (ja) | 2016-07-19 | 2016-07-19 | Tft回路基板 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022000800A Division JP7350903B2 (ja) | 2016-07-19 | 2022-01-06 | Tft回路基板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2018013525A JP2018013525A (ja) | 2018-01-25 |
| JP7007080B2 true JP7007080B2 (ja) | 2022-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016141228A Active JP7007080B2 (ja) | 2016-07-19 | 2016-07-19 | Tft回路基板 |
| JP2022000800A Active JP7350903B2 (ja) | 2016-07-19 | 2022-01-06 | Tft回路基板 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
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| JP2022000800A Active JP7350903B2 (ja) | 2016-07-19 | 2022-01-06 | Tft回路基板 |
Country Status (2)
| Country | Link |
|---|---|
| US (4) | US11063154B2 (ja) |
| JP (2) | JP7007080B2 (ja) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7007080B2 (ja) * | 2016-07-19 | 2022-02-10 | 株式会社ジャパンディスプレイ | Tft回路基板 |
| CN107731929B (zh) * | 2017-09-28 | 2019-12-13 | 信利(惠州)智能显示有限公司 | 薄膜晶体管的制作方法 |
| US11362516B2 (en) | 2018-01-30 | 2022-06-14 | Kyocera Corporation | Power management server and power management method |
| US11355082B2 (en) | 2018-02-01 | 2022-06-07 | Semiconductor Energy Laboratory Co., Ltd. | Display device and electronic device |
| US12538524B2 (en) | 2020-04-28 | 2026-01-27 | Sharp Kabushiki Kaisha | Transistor, display device, and method of manufacturing transistor |
| KR102926293B1 (ko) | 2020-07-08 | 2026-02-19 | 삼성디스플레이 주식회사 | 표시 장치 및 그 제조 방법 |
| US11710657B2 (en) * | 2020-09-29 | 2023-07-25 | Taiwan Semiconductor Manufacturing Co., Ltd. | Middle-of-line interconnect structure having air gap and method of fabrication thereof |
| WO2025250330A1 (en) * | 2024-05-31 | 2025-12-04 | Applied Materials, Inc. | Thin film transistor structures |
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2016
- 2016-07-19 JP JP2016141228A patent/JP7007080B2/ja active Active
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2017
- 2017-07-13 US US15/649,126 patent/US11063154B2/en active Active
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2021
- 2021-06-15 US US17/347,630 patent/US11742430B2/en active Active
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2022
- 2022-01-06 JP JP2022000800A patent/JP7350903B2/ja active Active
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2023
- 2023-07-05 US US18/346,927 patent/US12166135B2/en active Active
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2024
- 2024-11-07 US US18/939,825 patent/US20250063767A1/en active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| US20210305434A1 (en) | 2021-09-30 |
| US20250063767A1 (en) | 2025-02-20 |
| JP7350903B2 (ja) | 2023-09-26 |
| JP2022058505A (ja) | 2022-04-12 |
| US20230361220A1 (en) | 2023-11-09 |
| US20180026138A1 (en) | 2018-01-25 |
| US11742430B2 (en) | 2023-08-29 |
| JP2018013525A (ja) | 2018-01-25 |
| US12166135B2 (en) | 2024-12-10 |
| US11063154B2 (en) | 2021-07-13 |
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