JP7183061B2 - 表示装置及びトランジスタ - Google Patents
表示装置及びトランジスタ Download PDFInfo
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- JP7183061B2 JP7183061B2 JP2019015774A JP2019015774A JP7183061B2 JP 7183061 B2 JP7183061 B2 JP 7183061B2 JP 2019015774 A JP2019015774 A JP 2019015774A JP 2019015774 A JP2019015774 A JP 2019015774A JP 7183061 B2 JP7183061 B2 JP 7183061B2
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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
-
- 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
- G02F1/136204—Arrangements to prevent high voltage or static electricity failures
-
- 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
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- 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
- G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
- G02F1/166—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
- G02F1/167—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
-
- 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
-
- 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
-
- 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
-
- 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
- H10D30/6732—Bottom-gate only TFTs
-
- 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
-
- 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
- H10D30/6746—Amorphous silicon
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Theoretical Computer Science (AREA)
- Thin Film Transistor (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Description
図1は、第1実施形態に係る表示装置の構成の一例を示す平面図である。図1に示す例では、第1方向X、第2方向Y及び第3方向Zは、互いに直交しているが、互いに90度以外の角度で交差していてもよい。第1方向X及び第2方向Yは、表示装置DSPを構成する基板の主面と平行な方向に相当し、第3方向Zは、表示装置DSPの厚さ方向に相当する。本実施形態において、第3方向Zを示す矢印の先端側の位置を上方(または単に上)と称し、矢印の後端側の位置を下方(または単に下)と称する。また、第3方向Zを示す矢印の先端側に表示装置DSPを観察する観察位置があるものとし、この観察位置から、第1方向X及び第2方向Yで規定されるX-Y平面に向かって見ることを平面視という。
次に、第2実施形態について説明する。なお、本実施形態に係る表示装置の構成については、前述した第1実施形態と同様であるため、適宜、図1を用いて説明する。
Claims (4)
- 複数の画素が配置される画素部と、当該画素部の周辺に設けられる周辺部とを有する表示パネルと、
前記周辺部に設けられ、前記画素を駆動する駆動回路と
を具備し、
前記画素部または前記周辺部にはトランジスタが設けられており、該トランジスタは、第1端部及び第2端部を有する半導体層と、当該第1端部寄りの位置で当該半導体層と重畳する第1ゲート電極と、該第1ゲート電極と前記第2端部との間で当該半導体層と重畳する第2ゲート電極と、前記第1端部に接続されるソース電極と、前記第2端部に接続されるドレイン電極とを備え、
前記第1及び第2ゲート電極は、第1層に配置されており、
前記ソース電極及び前記ドレイン電極は、前記第1層とは異なる第2層に配置されており、
前記ソース電極は、平面視において、少なくとも前記第1ゲート電極と半導体層の重畳領域である第1チャネル領域を覆って形成されており、
前記ドレイン電極は、平面視において、少なくとも前記第2ゲート電極と半導体層の重畳領域である第2チャネル領域を覆って形成されており、
前記周辺部は、保護回路を含み、
前記保護回路は、前記第1ゲート電極及び前記第2ゲート電極の順に並べて配置される第1ゲート電極部と、前記第2ゲート電極及び前記第1ゲート電極が並べて配置される第2ゲート電極部とが交互に配置されるように構成されており、
前記ソース電極及び前記ドレイン電極は、当該ソース電極が前記第1ゲート電極と重畳する位置に配置され、当該ドレイン電極が前記第2ゲート電極と重畳する位置に配置されるように、互いに噛み合う櫛歯型の形状に形成されている表示装置。 - 前記第1チャネル領域と第2チャネル領域の形状及び面積は同一であり、
前記第1チャネル領域と前記ソース電極とが重畳する部分の面積は、前記第2チャネル領域と前記ドレイン電極とが重畳する部分の面積と同一である
請求項1記載の表示装置。 - 前記トランジスタは、基材と前記半導体層の間に前記第1及び第2ゲート電極が配置されるボトムゲート型のトランジスタである請求項1記載の表示装置。
- 前記トランジスタは、前記半導体層と前記ソース電極及び前記ドレイン電極との間に前記第1及び第2ゲート電極が配置されるトップゲート型のトランジスタである請求項1記載の表示装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019015774A JP7183061B2 (ja) | 2019-01-31 | 2019-01-31 | 表示装置及びトランジスタ |
PCT/JP2019/043308 WO2020158086A1 (ja) | 2019-01-31 | 2019-11-05 | 表示装置及びトランジスタ |
CN201980090991.8A CN113366654A (zh) | 2019-01-31 | 2019-11-05 | 显示装置及晶体管 |
US17/390,328 US11635663B2 (en) | 2019-01-31 | 2021-07-30 | Display device and transistor |
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JP2019015774A JP7183061B2 (ja) | 2019-01-31 | 2019-01-31 | 表示装置及びトランジスタ |
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JP2020123696A JP2020123696A (ja) | 2020-08-13 |
JP7183061B2 true JP7183061B2 (ja) | 2022-12-05 |
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US (1) | US11635663B2 (ja) |
JP (1) | JP7183061B2 (ja) |
CN (1) | CN113366654A (ja) |
WO (1) | WO2020158086A1 (ja) |
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JP2023113430A (ja) * | 2022-02-03 | 2023-08-16 | シャープディスプレイテクノロジー株式会社 | アクティブマトリクス基板および液晶表示装置 |
Citations (3)
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---|---|---|---|---|
JP2000036599A (ja) | 1998-07-16 | 2000-02-02 | Semiconductor Energy Lab Co Ltd | 半導体素子からなる半導体回路を備えた半導体装置およびその作製方法 |
JP2002189427A (ja) | 2000-12-21 | 2002-07-05 | Semiconductor Energy Lab Co Ltd | 半導体装置およびその作製方法 |
JP2003308027A (ja) | 2002-04-15 | 2003-10-31 | Semiconductor Energy Lab Co Ltd | 半導体表示装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3587040B2 (ja) * | 1997-12-18 | 2004-11-10 | ソニー株式会社 | 薄膜半導体装置及び表示装置 |
US6512504B1 (en) * | 1999-04-27 | 2003-01-28 | Semiconductor Energy Laborayory Co., Ltd. | Electronic device and electronic apparatus |
TW525216B (en) | 2000-12-11 | 2003-03-21 | Semiconductor Energy Lab | Semiconductor device, and manufacturing method thereof |
JP4876548B2 (ja) * | 2005-11-22 | 2012-02-15 | セイコーエプソン株式会社 | 電気光学装置の製造方法 |
TWI617869B (zh) * | 2006-05-16 | 2018-03-11 | 半導體能源研究所股份有限公司 | 液晶顯示裝置和半導體裝置 |
US7847904B2 (en) * | 2006-06-02 | 2010-12-07 | Semiconductor Energy Laboratory Co., Ltd. | Liquid crystal display device and electronic appliance |
JP2009049080A (ja) | 2007-08-15 | 2009-03-05 | Hitachi Displays Ltd | 表示装置 |
KR101426515B1 (ko) * | 2010-09-15 | 2014-08-05 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치 및 표시 장치 |
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JP2000036599A (ja) | 1998-07-16 | 2000-02-02 | Semiconductor Energy Lab Co Ltd | 半導体素子からなる半導体回路を備えた半導体装置およびその作製方法 |
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