JP6725317B2 - 表示装置 - Google Patents
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- JP6725317B2 JP6725317B2 JP2016100493A JP2016100493A JP6725317B2 JP 6725317 B2 JP6725317 B2 JP 6725317B2 JP 2016100493 A JP2016100493 A JP 2016100493A JP 2016100493 A JP2016100493 A JP 2016100493A JP 6725317 B2 JP6725317 B2 JP 6725317B2
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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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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- 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
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- 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
- G02F1/136209—Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element
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- 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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- H10D30/67—Thin-film transistors [TFT]
- H10D30/6704—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device
- H10D30/6723—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device having light shields
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- 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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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
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- 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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- H10D30/60—Insulated-gate field-effect transistors [IGFET]
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- 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
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- 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
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- 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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- 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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- H10D64/60—Electrodes characterised by their materials
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- H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
- H10D64/691—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator comprising metallic compounds, e.g. metal oxides or metal silicates
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- H10D86/01—Manufacture or treatment
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- 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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- 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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- 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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- 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
- G02F1/13685—Top gates
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- G02—OPTICS
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- G02F2202/00—Materials and properties
- G02F2202/10—Materials and properties semiconductor
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- G02F2202/00—Materials and properties
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- 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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- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
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Description
Claims (13)
- 画素が形成された表示領域を有する基板を含む表示装置であって、
前記画素は酸化物半導体を用いた第1のTFTを含み、
前記酸化物半導体の上には絶縁物である酸化膜が形成され、前記酸化膜の上にゲート電極が形成され、
前記第1のTFTのドレインには、前記酸化膜に形成された第1のスルーホールを介して第1の電極が接続し、
前記第1のTFTのソースには、前記酸化膜に形成された第2のスルーホールを介して第2の電極が接続しており、
前記基板は、LTPSによる第2のTFTを備え、
前記基板は、前記表示領域の外側に駆動回路を含み、前記駆動回路は前記LTPSによる第2のTFTを含み、
前記第2のTFTのゲート電極と同層で、同じ材料によって、前記第1のTFTの遮光膜が形成されていることを特徴とする表示装置。 - 前記第1のTFTと前記第2のTFTはいずれもトップゲートのTFTであることを特徴とする請求項1に記載の表示装置。
- 前記表示領域は、さらに、前記LTPSによる第2のTFTを含むことを特徴とする請求項1に記載の表示装置。
- 前記駆動回路は、さらに前記酸化物半導体によるTFTを含むことを特徴とする請求項1に記載の表示装置。
- 前記第1のスルーホールと前記第2のスルーホールは、平面で視て、前記酸化膜内に形成されていることを特徴とする請求項1に記載の表示装置。
- 前記酸化膜に形成された前記第1のスルーホールの壁又は前記第2のスルーホールの壁は、前記酸化物半導体とは逆の側に第1のテーパθ1を持ち、前記酸化物半導体側に第2のテーパθ2を持ち、θ1>θ2であることを特徴とする請求項1乃至5に記載の表示装置。
- 前記酸化膜はAlOxであることを特徴とする請求項1乃至6のいずれか1項に記載の表示装置。
- 前記AlOxの屈折率は、1.58乃至1.65であることを特徴とする請求項7に記載の表示装置。
- 前記酸化膜は複数のAlOxの層からなることを特徴とする請求項1乃至7のいずれか1項に記載の表示装置。
- 前記酸化物半導体は、IGZO、ITZO、IGOまたはこれらの組み合わせであることを特徴とする請求項1乃至9のいずれか1項に記載の表示装置。
- 前記ゲート電極と前記酸化膜の間には絶縁膜が形成されていることを特徴とする請求項1乃至10のいずれか1項に記載の表示装置。
- 前記表示装置は液晶表示装置であることを特徴とする請求項1乃至11のいずれか1項に記載の表示装置。
- 前記表示装置は有機EL表示装置であることを特徴とする請求項1乃至11のいずれか1項に記載の表示装置。
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016100493A JP6725317B2 (ja) | 2016-05-19 | 2016-05-19 | 表示装置 |
| CN201710266582.1A CN107403806B (zh) | 2016-05-19 | 2017-04-21 | 显示装置 |
| US15/585,401 US10026754B2 (en) | 2016-05-19 | 2017-05-03 | Display device |
| US16/011,725 US10573666B2 (en) | 2016-05-19 | 2018-06-19 | Display device |
| US16/743,080 US11049882B2 (en) | 2016-05-19 | 2020-01-15 | Display device |
| US17/336,620 US11521990B2 (en) | 2016-05-19 | 2021-06-02 | Display device |
| US17/983,481 US11810921B2 (en) | 2016-05-19 | 2022-11-09 | Display device |
| US18/480,552 US12100709B2 (en) | 2016-05-19 | 2023-10-04 | Display device |
| US18/814,858 US20240421159A1 (en) | 2016-05-19 | 2024-08-26 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016100493A JP6725317B2 (ja) | 2016-05-19 | 2016-05-19 | 表示装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020109373A Division JP2020181985A (ja) | 2020-06-25 | 2020-06-25 | 表示装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2017208473A JP2017208473A (ja) | 2017-11-24 |
| JP6725317B2 true JP6725317B2 (ja) | 2020-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016100493A Active JP6725317B2 (ja) | 2016-05-19 | 2016-05-19 | 表示装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (7) | US10026754B2 (ja) |
| JP (1) | JP6725317B2 (ja) |
| CN (1) | CN107403806B (ja) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102458660B1 (ko) | 2016-08-03 | 2022-10-26 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 표시 장치 및 전자 기기 |
| WO2018179121A1 (ja) * | 2017-03-29 | 2018-10-04 | シャープ株式会社 | 半導体装置および半導体装置の製造方法 |
| CN107026178B (zh) * | 2017-04-28 | 2019-03-15 | 深圳市华星光电技术有限公司 | 一种阵列基板、显示装置及其制作方法 |
| KR102480458B1 (ko) * | 2017-06-05 | 2022-12-22 | 삼성디스플레이 주식회사 | 표시 장치 |
| KR102448095B1 (ko) * | 2017-09-08 | 2022-09-29 | 삼성디스플레이 주식회사 | 표시 장치, 표시 장치 제조 방법, 및 전극 형성 방법 |
| KR102795676B1 (ko) | 2018-01-11 | 2025-04-11 | 어플라이드 머티어리얼스, 인코포레이티드 | 금속 산화물 스위치를 갖는 작은 저장 커패시터를 갖는 박막 트랜지스터 |
| JP7085352B2 (ja) * | 2018-01-15 | 2022-06-16 | 株式会社ジャパンディスプレイ | 表示装置 |
| CN108493198B (zh) * | 2018-04-11 | 2020-11-24 | 京东方科技集团股份有限公司 | 阵列基板及其制作方法、有机发光二极管显示装置 |
| US10818697B2 (en) * | 2018-08-06 | 2020-10-27 | Sharp Kabushiki Kaisha | Semiconductor device, display device, and method of producing semiconductor device |
| CN109244082B (zh) * | 2018-08-30 | 2020-10-27 | 天马微电子股份有限公司 | 显示面板及其制备方法、显示装置 |
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