JP7085352B2 - 表示装置 - Google Patents
表示装置 Download PDFInfo
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- JP7085352B2 JP7085352B2 JP2018003913A JP2018003913A JP7085352B2 JP 7085352 B2 JP7085352 B2 JP 7085352B2 JP 2018003913 A JP2018003913 A JP 2018003913A JP 2018003913 A JP2018003913 A JP 2018003913A JP 7085352 B2 JP7085352 B2 JP 7085352B2
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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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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
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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
- H10D30/6731—Top-gate only TFTs
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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
- H10D30/6741—Group IV materials, e.g. germanium or silicon carbide
- H10D30/6743—Silicon
- H10D30/6745—Polycrystalline or microcrystalline silicon
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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
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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
- H10D86/471—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 different architectures, e.g. having both top-gate and bottom-gate 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
- H10D86/481—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 integrated with passive devices, e.g. auxiliary capacitors
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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
- H10D86/60—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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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/1201—Manufacture or treatment
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
- H10K59/1213—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being TFTs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/126—Shielding, e.g. light-blocking means over the TFTs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/311—Flexible OLED
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
- H10K77/10—Substrates, e.g. flexible substrates
- H10K77/111—Flexible substrates
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- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Geometry (AREA)
- Manufacturing & Machinery (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
Description
前記第1のTFTと前記第2のTFTは平面で視て重ならない場所に形成され、
前記第2のTFTは前記第1のTFTよりも、断面で視て、前記基板に近く形成され、
前記酸化物半導体と前記基板の間には、前記第1のポリシリコンと同じ材料で形成され、前記第1のポリシリコンが形成されているのと同じ層の上に形成された第2のポリシリコンが存在していることを特徴とする表示装置。
Claims (7)
- 樹脂で形成された基板上に酸化物半導体によって形成された第1のTFTと第1のポリシリコンによって形成された第2のTFTを有する表示装置であって、
前記第1のTFTと前記第2のTFTは平面で視て重ならない場所に形成され、
前記第2のTFTは前記第1のTFTよりも、断面で視て、前記基板に近く形成され、
前記酸化物半導体と前記基板の間には、前記酸化物半導体と平面で視て重なり、前記第1のポリシリコンと同じ材料で形成され、前記第1のポリシリコンと同じ層に形成された第2のポリシリコンが存在し、
前記第2のポリシリコンの前記酸化物半導体のチャネル長方向の長さは、前記酸化物半導体のチャネル長方向の長さよりも大きく、
前記酸化物半導体と前記第2のポリシリコンの間には、複数の絶縁膜が存在し、
前記複数の絶縁膜は、前記第2のTFTのゲート絶縁膜と同じ層である第1の絶縁膜を含み、
前記複数の絶縁膜は第2の絶縁膜を含み、
前記酸化物半導体の下層には、前記第2の絶縁膜を挟んで、前記第2のTFTのゲート電極と同じ材料で同じ層に形成された金属層が形成され、
前記金属層は、前記第1の絶縁膜を介して前記第2のポリシリコンと絶縁されており、
前記金属層の前記酸化物半導体のチャネル長方向の長さは、前記酸化物半導体の前記チャネル長方向の長さよりも小さいことを特徴とする表示装置。 - 前記第2のポリシリコンの前記酸化物半導体のチャネル幅方向の幅は、前記酸化物半導体のチャネル幅方向の幅よりも大きいことを特徴とする請求項1に記載の表示装置。
- 前記金属層には、ゲート電位が供給されることを特徴とする請求項1に記載の表示装置。
- 前記金属層には、基準電位が供給されることを特徴とする請求項1に記載の表示装置。
- 前記第2のポリシリコンには基準電位が供給されることを特徴とする請求項1に記載の表示装置。
- 前記第1のTFTはトップゲートであることを特徴とする請求項1に記載の表示装置。
- 前記第2のTFTはトップゲートであることを特徴とする請求項1に記載の表示装置。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018003913A JP7085352B2 (ja) | 2018-01-15 | 2018-01-15 | 表示装置 |
| CN201880086103.0A CN111587453B (zh) | 2018-01-15 | 2018-12-04 | 显示装置 |
| PCT/JP2018/044508 WO2019138734A1 (ja) | 2018-01-15 | 2018-12-04 | 表示装置 |
| US16/911,930 US20200326571A1 (en) | 2018-01-15 | 2020-06-25 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018003913A JP7085352B2 (ja) | 2018-01-15 | 2018-01-15 | 表示装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2019124771A JP2019124771A (ja) | 2019-07-25 |
| JP7085352B2 true JP7085352B2 (ja) | 2022-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018003913A Active JP7085352B2 (ja) | 2018-01-15 | 2018-01-15 | 表示装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20200326571A1 (ja) |
| JP (1) | JP7085352B2 (ja) |
| CN (1) | CN111587453B (ja) |
| WO (1) | WO2019138734A1 (ja) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12213372B2 (en) * | 2018-12-07 | 2025-01-28 | Boe Technology Group Co., Ltd. | OLED display panel and display device |
| JP7533220B2 (ja) * | 2019-09-24 | 2024-08-14 | 東レ株式会社 | 樹脂膜、電子デバイス、樹脂膜の製造方法および電子デバイスの製造方法 |
| TWI906697B (zh) | 2020-03-20 | 2025-12-01 | 日商半導體能源研究所股份有限公司 | 半導體裝置及半導體裝置的製造方法 |
| KR102766120B1 (ko) * | 2020-06-05 | 2025-02-13 | 삼성디스플레이 주식회사 | 표시 장치 |
| CN112038325B (zh) | 2020-08-20 | 2022-08-23 | 武汉华星光电半导体显示技术有限公司 | 显示面板 |
| US20220336676A1 (en) * | 2020-09-18 | 2022-10-20 | Chengdu Boe Optoelectronics Technology Co.,Ltd. | Display substrate, display panel and display device |
| CN112289807A (zh) * | 2020-10-27 | 2021-01-29 | 武汉华星光电半导体显示技术有限公司 | 一种oled显示面板 |
| KR102803955B1 (ko) * | 2020-11-17 | 2025-05-12 | 삼성디스플레이 주식회사 | 표시 장치 |
| JP7598749B2 (ja) * | 2020-12-10 | 2024-12-12 | JDI Design and Development 合同会社 | 半導体装置 |
| CN112786670B (zh) * | 2021-01-11 | 2022-07-29 | 武汉华星光电半导体显示技术有限公司 | 一种阵列基板、显示面板及阵列基板的制作方法 |
| JP7646412B2 (ja) | 2021-03-26 | 2025-03-17 | 株式会社ジャパンディスプレイ | 表示装置 |
| US20240170555A1 (en) * | 2021-04-16 | 2024-05-23 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and method for manufacturing semiconductor device |
| CN114242736A (zh) * | 2021-12-17 | 2022-03-25 | 湖北长江新型显示产业创新中心有限公司 | 一种显示面板及显示装置 |
| JPWO2024214141A1 (ja) * | 2023-04-10 | 2024-10-17 | ||
| WO2024252675A1 (ja) * | 2023-06-09 | 2024-12-12 | シャープディスプレイテクノロジー株式会社 | 半導体装置の製造方法、および表示装置の製造方法 |
| WO2026033402A1 (ja) * | 2024-08-09 | 2026-02-12 | 株式会社半導体エネルギー研究所 | 表示装置 |
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2018
- 2018-01-15 JP JP2018003913A patent/JP7085352B2/ja active Active
- 2018-12-04 CN CN201880086103.0A patent/CN111587453B/zh active Active
- 2018-12-04 WO PCT/JP2018/044508 patent/WO2019138734A1/ja not_active Ceased
-
2020
- 2020-06-25 US US16/911,930 patent/US20200326571A1/en not_active Abandoned
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Also Published As
| Publication number | Publication date |
|---|---|
| US20200326571A1 (en) | 2020-10-15 |
| CN111587453B (zh) | 2023-04-04 |
| WO2019138734A1 (ja) | 2019-07-18 |
| CN111587453A (zh) | 2020-08-25 |
| JP2019124771A (ja) | 2019-07-25 |
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