JP2006259725A - 横電界方式の液晶表示素子及びその製造方法 - Google Patents
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 65
- 230000005684 electric field Effects 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 77
- 239000011159 matrix material Substances 0.000 claims abstract description 56
- 238000000926 separation method Methods 0.000 claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 5
- 239000010408 film Substances 0.000 description 27
- 239000004065 semiconductor Substances 0.000 description 9
- 239000010409 thin film Substances 0.000 description 8
- 230000007423 decrease Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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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
- G02F1/136209—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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
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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]
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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
- G02F1/136222—Colour filters incorporated in the active matrix substrate
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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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/40—Arrangements for improving the aperture ratio
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Abstract
【解決手段】横電界方式の液晶表示素子は、第1基板及び第2基板と、第1基板に縦横に配列されて画素領域を定義するゲートライン及びデータラインと、ゲートラインとデータラインとの交差部に形成されたスイッチング素子と、第1基板のゲートライン、データライン、スイッチング素子に対応する領域に形成され、ゲートラインに対応する領域の一部が画素領域に延長されて形成されたブラックマトリクスと、第1基板の画素領域に形成されたカラーフィルタと、カラーフィルタ上に形成され、画素領域内に横電界を発生させる少なくとも1対の共通電極及び画素電極と、第1基板と第2基板との間に形成された液晶層とを含む。
【選択図】 図1
Description
102a、102b、202a、202b ソース/ドレイン電極
103、203 データライン
104、204 データ信号遮断ライン
105、205 半導体層
106、106a、206、206a 共通電極
107、207 画素電極
121、221 ブラックマトリクス
Claims (16)
- 第1基板及び第2基板と、
前記第1基板に縦横に配列されて画素領域を定義するゲートライン及びデータラインと、
前記ゲートラインと前記データラインとの交差部に形成されたスイッチング素子と、
前記第1基板のゲートライン、データライン、スイッチング素子に対応する領域に形成され、前記ゲートラインに対応する領域の一部が前記画素領域に延長されて形成されたブラックマトリクスと、
前記第1基板の画素領域に形成されたカラーフィルタと、
前記カラーフィルタ上に形成され、前記画素領域内に横電界を発生させる少なくとも1対の共通電極及び画素電極と、
前記第1基板と前記第2基板との間に形成された液晶層と、
を含むことを特徴とする横電界方式の液晶表示素子。 - 前記共通電極及び前記画素電極が、透明な伝導性物質で形成されることを特徴とする請求項1に記載の横電界方式の液晶表示素子。
- 前記透明な伝導性物質が、ITO又はIZOのいずれか一方からなることを特徴とする請求項1に記載の横電界方式の液晶表示素子。
- 前記データラインを含む前記第1基板の全面に形成された保護膜をさらに含むことを特徴とする請求項1に記載の横電界方式の液晶表示素子。
- 前記ブラックマトリクス及び前記カラーフィルタが、前記保護膜上に形成されることを特徴とする請求項4に記載の横電界方式の液晶表示素子。
- 前記ブラックマトリクス及び前記カラーフィルタを含む前記第1基板の全面に形成された平坦化膜をさらに含むことを特徴とする請求項1に記載の横電界方式の液晶表示素子。
- 前記共通電極及び前記画素電極が、前記平坦化膜の上部に形成されることを特徴とする請求項6に記載の横電界方式の液晶表示素子。
- 前記共通電極が、前記ゲートライン及び前記データラインの上部に形成されることを特徴とする請求項1に記載の横電界方式の液晶表示素子。
- 前記データラインの上部に形成された共通電極と、該共通電極に隣接する画素電極との間の離隔距離が、7〜9μmであることを特徴とする請求項8に記載の横電界方式の液晶表示素子。
- 前記画素領域の内部に延長されたブラックマトリクスの形成範囲が、前記データラインの上部に形成された共通電極と該共通電極に隣接する画素電極との間の離隔領域に相当することを特徴とする請求項8に記載の横電界方式の液晶表示素子。
- 前記データラインに隣接する領域に形成されたデータ信号遮断ラインをさらに含むことを特徴とする請求項1に記載の横電界方式の液晶表示素子。
- 前記データラインに対応する位置に形成されたブラックマトリクスが、前記データ信号遮断ラインの一部と重なることを特徴とする請求項11に記載の横電界方式の液晶表示素子。
- 前記データ信号遮断ラインが、前記共通電極と電気的に接続されることを特徴とする請求項11に記載の横電界方式の液晶表示素子。
- 第1基板及び第2基板を準備する段階と、
前記第1基板上に第1方向に配列された複数のゲートラインを形成する段階と、
前記複数のゲートラインの各々と直交して複数の画素領域を定義する複数のデータラインを形成する段階と、
前記第1基板のゲートライン及びデータラインに対応する領域にブラックマトリクスを形成し、前記ゲートラインの上部に形成されたブラックマトリクスの一部を前記画素領域まで延長させるように形成する段階と、
前記第1基板の画素領域にカラーフィルタを形成する段階と、
前記画素領域内に横電界を発生させ、前記ゲートライン及び前記データラインの上部をカバーする共通電極及び画素電極を形成する段階と、
を含むことを特徴とする横電界方式の液晶表示素子の製造方法。 - 前記データラインの隣接領域にデータ信号遮断ラインを形成する段階をさらに含むことを特徴とする請求項14に記載の横電界方式の液晶表示素子の製造方法。
- 前記画素領域の内部に延長されるブラックマトリクスは、前記ゲートラインの上部に形成された共通電極と該共通電極に隣接する画素電極との間の離隔領域内に形成することを特徴とする請求項14に記載の横電界方式の液晶表示素子の製造方法。
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JP2013054301A (ja) * | 2011-09-06 | 2013-03-21 | Japan Display Central Co Ltd | 液晶表示装置 |
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US8749496B2 (en) | 2008-12-05 | 2014-06-10 | Apple Inc. | Integrated touch panel for a TFT display |
CN103534643B (zh) * | 2011-05-30 | 2016-03-23 | 京瓷株式会社 | 液晶显示装置以及其制造方法 |
WO2013129200A1 (ja) * | 2012-02-27 | 2013-09-06 | 京セラ株式会社 | 液晶表示装置 |
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CN103489876B (zh) * | 2013-09-27 | 2016-07-06 | 京东方科技集团股份有限公司 | 一种阵列基板及其制备方法、显示装置 |
JP2015079227A (ja) * | 2013-10-18 | 2015-04-23 | 株式会社 オルタステクノロジー | 液晶表示装置及びヘッドアップディスプレイ |
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JP2013054301A (ja) * | 2011-09-06 | 2013-03-21 | Japan Display Central Co Ltd | 液晶表示装置 |
US9075271B2 (en) | 2011-09-06 | 2015-07-07 | Japan Display Inc. | Liquid crystal display device |
JP2013057790A (ja) * | 2011-09-08 | 2013-03-28 | Japan Display Central Co Ltd | 液晶表示装置 |
US9250486B2 (en) | 2011-09-08 | 2016-02-02 | Japan Display Inc. | Liquid crystal display device |
Also Published As
Publication number | Publication date |
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CN100470342C (zh) | 2009-03-18 |
KR20060099731A (ko) | 2006-09-20 |
CN1834758A (zh) | 2006-09-20 |
KR100966452B1 (ko) | 2010-06-28 |
US7663723B2 (en) | 2010-02-16 |
US20060203151A1 (en) | 2006-09-14 |
JP4589256B2 (ja) | 2010-12-01 |
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