JP4928712B2 - 薄膜トランジスタアレイ基板及びこれを含む液晶表示装置 - Google Patents
薄膜トランジスタアレイ基板及びこれを含む液晶表示装置 Download PDFInfo
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- JP4928712B2 JP4928712B2 JP2003420084A JP2003420084A JP4928712B2 JP 4928712 B2 JP4928712 B2 JP 4928712B2 JP 2003420084 A JP2003420084 A JP 2003420084A JP 2003420084 A JP2003420084 A JP 2003420084A JP 4928712 B2 JP4928712 B2 JP 4928712B2
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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
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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]
- H10D30/6704—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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- 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
- G02F1/136209—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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- 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
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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
- H10D86/01—Manufacture or treatment
- H10D86/021—Manufacture or treatment of multiple TFTs
- H10D86/0231—Manufacture or treatment of multiple TFTs using masks, e.g. half-tone masks
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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
- H10D86/60—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
-
- 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
- G02F1/136231—Active matrix addressed cells for reducing the number of lithographic steps
- G02F1/136236—Active matrix addressed cells for reducing the number of lithographic steps using a grey or half tone lithographic process
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
(先行技術文献)
(特許文献)
(特許文献1) 米国特許出願公開第2002/0080295号明細書
(参考例)
まず、図1及び図2を参照して本発明の第1の参考例による液晶表示装置用薄膜トランジスタアレイ基板の構造について詳細に説明する。図1は本発明の参考例による液晶表示装置用薄膜トランジスタアレイ基板の配置図で、図2は図1のII-II'線に沿った断面図で、薄膜トランジスタアレイ基板とこれと対向する対向基板と一緒に示されている。
97 補助データ部材
100 薄膜トランジスタアレイ基板
110 絶縁基板
121 ゲート線
123 ゲート電極
129 光遮断膜
131 維持電極線
136、138 共通配線
140 ゲート絶縁膜
150 半導体層
152 半導体パターン
160 抵抗接触層
163、165 抵抗性接触層パターン
170 導電体層
171 データ線
175 ドレーン電極
177 維持蓄電器用導電体パターン
178 ソース/ドレーン用導電体パターン
176、178 画素配線
180 保護膜
190 画素電極
200 対向基板
201 下部膜
202 上部膜
210、212、214 感光膜パターン
500 バックライト
Claims (3)
- 絶縁基板と、
前記絶縁基板上に形成され、ゲート線及び前記ゲート線と連結されているゲート電極を含むゲート配線と、
前記ゲート配線を覆うゲート絶縁膜と、
前記ゲート線と交差するデータ線、前記データ線に連結されているソース電極、前記ゲート電極を中心に前記ソース電極と対向するドレーン電極を含むデータ配線と、
前記ゲート絶縁膜上部に形成され、一部は前記データ線の下部まで延びている半導体層と、
前記データ線の下部の前記半導体層と重なり、前記ゲート配線と同一層に形成されている光遮断膜と、
前記ドレーン電極と電気的に連結されている画素電極と、
前記ドレーン電極上に形成され、前記ドレーン電極と前記画素電極とを連結するための接触孔を備える保護膜と、
を含み、前記データ配線は下部膜と、前記下部膜の上部に形成されている上部膜とを含み、前記ドレーン電極は前記画素電極と連結される部分で前記上部膜が除去されており、前記保護膜の接触孔の縁に沿う凹部と、前記凹部の中央部に位置する凸部とよりなる凹凸が前記下部膜に形成され、前記半導体層と重なる前記光遮断膜の幅は、前記半導体層の幅に比べて少なくとも60%以上であり、前記ソース電極と前記ドレーン電極との間のチャンネル部を除いた前記半導体層は、前記データ配線と同一のパターンで形成されている薄膜トランジスタアレイ基板。 - 前記データ線の下部の前記半導体層は、前記データ線と同一であるか、より広い幅で形成されている請求項1に記載の薄膜トランジスタアレイ基板。
- 前記半導体層の一部は、前記データ配線の周縁外部に露出している請求項1に記載の薄膜トランジスタアレイ基板。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020080812A KR100905472B1 (ko) | 2002-12-17 | 2002-12-17 | 박막 트랜지스터 어레이 기판 및 이를 포함하는 액정 표시장치 |
KR2002-080812 | 2002-12-17 |
Publications (2)
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JP2004199074A JP2004199074A (ja) | 2004-07-15 |
JP4928712B2 true JP4928712B2 (ja) | 2012-05-09 |
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JP2003420084A Expired - Lifetime JP4928712B2 (ja) | 2002-12-17 | 2003-12-17 | 薄膜トランジスタアレイ基板及びこれを含む液晶表示装置 |
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US (2) | US7436474B2 (ja) |
JP (1) | JP4928712B2 (ja) |
KR (1) | KR100905472B1 (ja) |
CN (1) | CN100444004C (ja) |
TW (1) | TWI357590B (ja) |
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JP3362008B2 (ja) * | 1999-02-23 | 2003-01-07 | シャープ株式会社 | 液晶表示装置およびその製造方法 |
JP3683463B2 (ja) * | 1999-03-11 | 2005-08-17 | シャープ株式会社 | アクティブマトリクス基板、その製造方法、及び、該基板を用いたイメージセンサ |
JP2001312241A (ja) * | 2000-05-02 | 2001-11-09 | Sharp Corp | 光変調情報表示装置および照明制御装置 |
JP2001343669A (ja) * | 2000-06-02 | 2001-12-14 | Hitachi Ltd | 液晶表示装置 |
KR100650400B1 (ko) * | 2000-12-29 | 2006-11-27 | 엘지.필립스 엘시디 주식회사 | 액정 표시 장치용 어레이 기판 및 그의 제조 방법 |
KR100685946B1 (ko) * | 2001-03-02 | 2007-02-23 | 엘지.필립스 엘시디 주식회사 | 액정 디스플레이 패널 및 그 제조방법 |
JP2003172919A (ja) * | 2001-12-06 | 2003-06-20 | Matsushita Electric Ind Co Ltd | 液晶表示装置 |
JP4551049B2 (ja) * | 2002-03-19 | 2010-09-22 | 三菱電機株式会社 | 表示装置 |
-
2002
- 2002-12-17 KR KR1020020080812A patent/KR100905472B1/ko active IP Right Grant
-
2003
- 2003-12-17 TW TW092135754A patent/TWI357590B/zh not_active IP Right Cessation
- 2003-12-17 US US10/738,648 patent/US7436474B2/en not_active Expired - Lifetime
- 2003-12-17 CN CNB2003101212894A patent/CN100444004C/zh not_active Expired - Lifetime
- 2003-12-17 JP JP2003420084A patent/JP4928712B2/ja not_active Expired - Lifetime
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2008
- 2008-09-18 US US12/233,362 patent/US7768601B2/en not_active Expired - Lifetime
Also Published As
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US20090032818A1 (en) | 2009-02-05 |
US7436474B2 (en) | 2008-10-14 |
CN100444004C (zh) | 2008-12-17 |
TWI357590B (en) | 2012-02-01 |
KR100905472B1 (ko) | 2009-07-02 |
US7768601B2 (en) | 2010-08-03 |
JP2004199074A (ja) | 2004-07-15 |
KR20040053636A (ko) | 2004-06-24 |
US20040169812A1 (en) | 2004-09-02 |
CN1508612A (zh) | 2004-06-30 |
TW200419519A (en) | 2004-10-01 |
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