JP5450476B2 - 液晶表示装置及びその製造方法 - Google Patents
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- 239000010408 film Substances 0.000 claims description 100
- 239000010410 layer Substances 0.000 claims description 87
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- 239000004065 semiconductor Substances 0.000 claims description 39
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- 238000005530 etching Methods 0.000 description 18
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- 229910052782 aluminium Inorganic materials 0.000 description 16
- 229910052750 molybdenum Inorganic materials 0.000 description 16
- 229910000838 Al alloy Inorganic materials 0.000 description 12
- 229910000881 Cu alloy Inorganic materials 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 9
- 239000011159 matrix material Substances 0.000 description 7
- 210000004027 cell Anatomy 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
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- 239000011810 insulating material Substances 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
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- 238000004380 ashing Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
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- 239000002356 single layer Substances 0.000 description 2
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- 229910052581 Si3N4 Inorganic materials 0.000 description 1
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
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- 238000001039 wet etching Methods 0.000 description 1
Images
Classifications
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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
-
- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13458—Terminal pads
-
- 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)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
Description
4:ブラックマトリクス
6:カラーフィルター
8:共通電極
10:カラーフィルター基板
12:下部ガラス基板
14,102:ゲートライン
16,104:データライン
18,106:薄膜トランジスタ
20:薄膜トランジスタ基板
22,118:画素電極
24:液晶
108:ゲート電極
110:ソース電極
112:ドレイン電極
114:活性層
106:薄膜トランジスタ
122:ストレージ電極
117:透明導電層
130,138,238,254:コンタクトホール
120:ストレージキャパシタ
126:ゲートパッド
128:ゲートパッド下部電極
132:ゲートパッド上部電極
134,234:データパッド
236:データパッド下部電極
240:データパッド上部電極
142:基板
144:ゲート絶縁膜
116:オーミック接触層
152,310,312:配向膜
170:画素ホール
200,210:フォトレジストパターン
300:カラーフィルター基板
320:シーラント
124:酸化シリコン層
250:データリンク
252:コンタクト電極
Claims (14)
- 第1及び第2基板と、
前記第1基板上のゲートラインと、
前記ゲートライン及びゲート絶縁膜を間に置いて交差され画素領域を定義するデータラインと、
前記画素領域で前記ゲート絶縁膜を貫通する画素ホールに透明導電膜で形成された画素電極と、
ゲート電極、ソース電極、ドレイン電極、及び該ソース電極と該ドレイン電極との間にチャネルを定義する半導体層を含む薄膜トランジスタと、
前記ゲートラインと接続されたゲートパッドと及び前記データラインと接続されたデータパッドとを含み、
前記ゲートパッドは前記第1基板上のゲートパッド下部電極と、前記ゲート絶縁膜を貫通して前記ゲートパッド下部電極を露出させる 第1コンタクトホール及び前記第1コンタクトホール内でだけ前記ゲートパッド下部電極と接続されたゲートパッド上部電極を含み、
前記データパッドは前記ゲート絶縁膜を貫通して前記第1基板を露出させる 第2コンタクトホール内に形成され、
前記半導体層は、前記データラインと、前記ソース電極及びドレイン電極を含むソース・ドレイン金属パターンとが重畳され、前記ドレイン電極は、前記半導体層から前記画素電極の内側に突出され前記画素電極と接続されることを特徴とする液晶表示装置。 - 前記画素電極と接続されたストレージ電極を更に含み、前記ストレージ電極が前記ゲート絶縁膜を備えたゲートラインと重畳されストレージキャパシタを形成することを特徴とする請求項1に記載の液晶表示装置。
- 前記半導体層は、前記ストレージ電極と前記ゲート絶縁膜とが重畳され、前記ストレージ電極は前記半導体層から前記画素ホール側に突出され前記画素電極と接続されることを特徴とする請求項2に記載の液晶表示装置。
- 前記ドレイン電極及びストレージ電極は前記画素電極上で互いに接続されることを特徴とする請求項3に記載の液晶表示装置。
- 前記ゲートパッド下部電極は前記ゲートラインと接続されることを特徴とする請求項1に記載の液晶表示装置。
- 前記データパッドは前記第1基板上のデータパッド下部電極と、前記第2コンタクトホール内でだけ前記データパッド下部電極と接続されたデータパッド上部電極を含み、
前記第2コンタクトホール内で前記データパッド下部電極から伸張され、前記データラインと重畳されるデータリンク及び、 前記データリンクを前記データラインと接続させるコンタクト電極を更に含むことを特徴とする請求項1に記載の液晶表示装置。 - 前記画素電極と、前記データパッド上部電極及びコンタクト電極を含む透明導電パターンは、前記画素ホール及び前記第2コンタクトホールを包むゲート絶縁膜と境界を成すことを特徴とする請求項6に記載の液晶表示装置。
- 前記データラインが前記コンタクト電極と接触する領域は、前記第1基板と前記第2基板との合着の際、シーラントによって密封される領域内に位置することを特徴とする請求項6に記載の液晶表示装置。
- 前記薄膜トランジスタのチャネルは、プラズマ表面処理によって酸化された表面層を含むことを特徴とする請求項1に記載の液晶表示装置。
- 前記半導体層と前記ソース・ドレイン金属パターンは形状を有することを特徴とする請求項1に記載の液晶表示装置。
- 前記ゲートパッド及びデータパッドが形成されたパッド領域からオープンされた前記第1基板上の保護膜を更に含むことを特徴とする請求項4に記載の液晶表示装置。
- 前記保護膜上の配向膜を更に含むことを特徴とする請求項11に記載の液晶表示装置。
- 前記保護膜は、前記配向膜と同様のパターンで形成されることを特徴とする請求項12に記載の液晶表示装置。
- 前記第1基板と前記第2基板との間の液晶層を更に含むことを特徴とする請求項1に記載の液晶表示装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR2004-118600 | 2004-12-31 | ||
KR1020040118600A KR101107267B1 (ko) | 2004-12-31 | 2004-12-31 | 박막 트랜지스터 기판 및 그 제조 방법과, 그를 이용한액정 패널 및 그 제조 방법 |
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JP2005212233A Division JP4754896B2 (ja) | 2004-12-31 | 2005-07-22 | 液晶表示装置及びその製造方法 |
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JP2011095784A JP2011095784A (ja) | 2011-05-12 |
JP5450476B2 true JP5450476B2 (ja) | 2014-03-26 |
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JP2011032880A Active JP5450476B2 (ja) | 2004-12-31 | 2011-02-18 | 液晶表示装置及びその製造方法 |
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US (2) | US7616284B2 (ja) |
JP (2) | JP4754896B2 (ja) |
KR (1) | KR101107267B1 (ja) |
CN (1) | CN100397223C (ja) |
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JP2002176062A (ja) | 2000-02-04 | 2002-06-21 | Matsushita Electric Ind Co Ltd | 表示装置用の基板の製造方法 |
KR100456151B1 (ko) * | 2002-04-17 | 2004-11-09 | 엘지.필립스 엘시디 주식회사 | 박막 트랜지스터 어레이 기판 및 그 제조 방법 |
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JP2004319655A (ja) * | 2003-04-15 | 2004-11-11 | Quanta Display Japan Inc | 液晶表示装置とその製造方法 |
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KR100598737B1 (ko) | 2003-05-06 | 2006-07-10 | 엘지.필립스 엘시디 주식회사 | 박막 트랜지스터 어레이 기판 및 그 제조 방법 |
US7336336B2 (en) * | 2003-10-14 | 2008-02-26 | Lg. Philips Co. Ltd. | Thin film transistor array substrate, method of fabricating the same, liquid crystal display panel having the same and fabricating method thereof |
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2004
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US7999906B2 (en) | 2011-08-16 |
CN100397223C (zh) | 2008-06-25 |
CN1797150A (zh) | 2006-07-05 |
KR101107267B1 (ko) | 2012-01-19 |
US20060146217A1 (en) | 2006-07-06 |
US7616284B2 (en) | 2009-11-10 |
JP2011095784A (ja) | 2011-05-12 |
JP4754896B2 (ja) | 2011-08-24 |
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