JP4477557B2 - 液晶表示装置及びその製造方法 - Google Patents
液晶表示装置及びその製造方法 Download PDFInfo
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- JP4477557B2 JP4477557B2 JP2005213711A JP2005213711A JP4477557B2 JP 4477557 B2 JP4477557 B2 JP 4477557B2 JP 2005213711 A JP2005213711 A JP 2005213711A JP 2005213711 A JP2005213711 A JP 2005213711A JP 4477557 B2 JP4477557 B2 JP 4477557B2
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- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
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- 239000011241 protective layer Substances 0.000 claims description 2
- 239000010408 film Substances 0.000 description 98
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- 229920002120 photoresistant polymer Polymers 0.000 description 66
- 230000005540 biological transmission Effects 0.000 description 29
- 229910001182 Mo alloy Inorganic materials 0.000 description 17
- 229910052750 molybdenum Inorganic materials 0.000 description 17
- 229910052782 aluminium Inorganic materials 0.000 description 16
- 230000005684 electric field Effects 0.000 description 14
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- 238000000206 photolithography Methods 0.000 description 8
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- 229910052719 titanium Inorganic materials 0.000 description 6
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- 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
- 230000010363 phase shift Effects 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
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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
- 125000006850 spacer group Chemical group 0.000 description 1
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
-
- 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
- G02F1/136—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
- G02F1/136231—Active matrix addressed cells for reducing the number of lithographic steps
-
- 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
Description
4:ブラックマトリクス
6:カラーフィルタ
8:共通電極
10:カラーフィルタ基板
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
117:透明導電層
130,138,164,238,254:コンタクトホール
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
115:半導体層
150:保護膜
152,310,312:配向膜
170:画素ホール
200,210,220:フォトレジストパターン
300:カラーフィルタ基板
320:シール材
124:酸化シリコン層
250:データリンク
252:コンタクト電極
160:共通パッド
162:共通パッド下部電極
166:共通パッド上部電極
Claims (10)
- 第1基板及び第2基板を提供する工程と、
第1マスクを用いて、ゲートラインと、前記ゲートラインと接続するゲート電極と、前記ゲートラインと並んでいる共通ラインと、前記共通ラインと接続する共通電極とを前記第1の基板上に形成する工程と、
第2マスクを用いて、ゲート絶縁膜及び半導体層を貫通する画素ホールを備える前記半導体層を形成し、前記画素ホールに前記共通電極と重畳する画素電極を形成する工程と、
第3マスクを用いて、前記ゲートラインと交差するデータラインを含むソース及びドレイン金属パターンと、前記データラインと接続するソース電極と、前記画素電極上から接続するドレイン電極と、前記ソース電極と前記ドレイン電極との間にチャンネルを形成する工程と、を含み、
前記第1基板上に保護膜を形成して、
前記保護膜は、配向膜をマスクと用いるエッチングにより、パッド領域からオープンされ、前記保護膜上に配向膜を形成して、
前記第1マスクを用いる工程は、
前記第1基板上に第1導電層と第2導電層とを形成する工程と、第1厚さを有する第1部分と第2厚さを有する第2部分とを備える第1フォト−レジストパターンを形成する工程と、前記第1フォト−レジストパターンに対応する前記第1導電層と前記第2導電層との一部を除去する第1エッチングを行う工程と、 前記第1フォト−レジストパターンの一部を除去する工程と、前記第1フォト−レジストパターンの前記第2部分に対応する前記第2導電層の第2部分を除去する第2エッチングを行う工程と、を含み、
前記第3マスクを用いる工程は、
ソース及びドレイン金属層を形成する工程と、
第1厚さを有する第1部分と第2厚さを有する第2部分とを備える第2フォト−レジストパターンを前記ソース及びドレイン金属層上に形成する工程と、
前記第2フォト−レジストパターンに対応するソース及びドレイン金属パターンを形成する 工程と、
前記ソース及びドレイン金属パターンによって露出した半導体層を除去する第1エッチングを行う工程と、
前記第2フォト−レジストパターンの前記第1部分を除去する工程と、
前記第2フォト−レジストの前記第2の部分をマスクと用いて、第2エッチングを行う工程と、を含むことを特徴とする液晶表示装置の製造方法。 - 前記ゲートラインを形成する工程が、透明導電体を備える第1層を形成する工程と、金属を備える第2層を形成する工程と、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の製造方法。
- 前記共通ライン及び共通電極を形成する工程が、前記共通ライン及び共通電極を定して透明導電体を備える第1層を形成する工程と、前記共通ラインを定した前記第1層上に金属を備える第2層を形成する工程と、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の製造方法。
- 前記フォト−レジストパターンの一部を除去する工程が、酸素(O2)プラズマを用いるアッシング工程をさら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の製造方法。
- 前記第1導電層と第2導電層とを形成する工程が、ITOを備える第1導電層を形成するステップと、MOを備える第2導電層を形成する工程と、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の製造方法。
- 第1のマスクを用いて、前記ゲートラインと前記共通ラインのうち少なくとも何れか一つと接続するパッド下部電極を形成する工程と、
第2のマスクを用いて、前記パッド下部電極を露出させるコンタクトホールを形成する工程と、
第2のマスクを用いて、前記コンタクトホール内の前記パッド下部電極と接続するパッド上部電極を形成する工程と、をさら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の製造方法。 - 前記保護膜は、前記配向膜と同様のパターン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の製造方法。
- 前記保護膜は、第2基板をマスクと用いるエッチングにより、パッド領域からオープン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の製造方法。
- 前記保護膜は、前記第2基板と同様のパターン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の製造方法。
- 前記第1基板と前記第2基板との間に、液晶層を形成する工程をさら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の製造方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020040118603A KR101125254B1 (ko) | 2004-12-31 | 2004-12-31 | 프린지 필드 스위칭 타입의 박막 트랜지스터 기판 및 그제조 방법과, 그를 이용한 액정 패널 및 그 제조 방법 |
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JP2006189775A JP2006189775A (ja) | 2006-07-20 |
JP4477557B2 true JP4477557B2 (ja) | 2010-06-09 |
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JP2005213711A Active JP4477557B2 (ja) | 2004-12-31 | 2005-07-25 | 液晶表示装置及びその製造方法 |
Country Status (4)
Country | Link |
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US (2) | US7760276B2 (ja) |
JP (1) | JP4477557B2 (ja) |
KR (1) | KR101125254B1 (ja) |
CN (1) | CN100485500C (ja) |
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2004
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US20100237349A1 (en) | 2010-09-23 |
US20060146245A1 (en) | 2006-07-06 |
JP2006189775A (ja) | 2006-07-20 |
CN100485500C (zh) | 2009-05-06 |
KR20060079035A (ko) | 2006-07-05 |
KR101125254B1 (ko) | 2012-03-21 |
US8189162B2 (en) | 2012-05-29 |
US7760276B2 (en) | 2010-07-20 |
CN1797157A (zh) | 2006-07-05 |
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