JP4083752B2 - アクティブマトリクス基板及びその製造方法 - Google Patents
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- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
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- 229910003437 indium oxide Inorganic materials 0.000 description 2
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
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- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
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- 229910017107 AlOx Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
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- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
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- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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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
- 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
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- 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
- G02F1/136213—Storage capacitors associated with the pixel electrode
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- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
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- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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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
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- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
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Description
以下、この発明の実施の形態1に係るアクティブマトリクス基板について説明する。なお、本実施の形態では、透過型液晶表示装置に適用されるアクティブマトリクス基板について説明する。
以下、この発明の実施の形態2に係るアクティブマトリクス基板について説明する。なお、本実施の形態では、半透過型液晶表示装置に適用されるアクティブマトリクス基板について説明する。
なお、導電性膜としてCrの金属薄膜を用いた例を説明したが、これに限られることはなく、種々の導電性膜を用いることが可能である。例えば、MoやMo合金、AlやAl合金を用いることができ、これらの場合には、Crによる薄膜と比べて、配線や電極の電気抵抗を約1/2〜1/4に低減することができる。
Claims (6)
- 基板と、
前記基板上に形成されたゲート配線及び補助容量電極と、
前記ゲート配線及び前記補助容量電極を覆う第1層間絶縁膜と、
前記第1層間絶縁膜上に前記ゲート配線に対して交差するように形成されたソース配線と、
前記ゲート配線と前記ソース配線との交差部分でスイッチング素子を構成するための半導体層と、
前記各スイッチング素子に対応して設けられたドレイン電極と、
前記ソース配線、前記半導体層及び前記ドレイン電極よりも上層に設けられた第2層間絶縁膜と、
直接接している反射画素電極と透明画素電極とを含み、前記第2層間絶縁膜に形成されたコンタクトホールを通じて前記ドレイン電極に接続された画素電極とを備え、
前記ドレイン電極の一部が前記第1層間絶縁膜を挟んで前記補助容量電極に対向して設けられると共に、前記コンタクトホールが前記補助容量電極の配設領域を避けかつ前記補助容量電極の配設領域に囲まれた部分で前記ドレイン電極に達するように形成されており、前記補助容量電極の配設領域に囲まれた部分は、前記コンタクトホールのうち前記ドレイン電極の接触部分全体もしくは一部が、3方から或は2方向から前記補助容量電極の配設領域で囲まれる態様である、アクティブマトリクス基板。 - 請求項1記載のアクティブマトリクス基板であって、
前記補助容量電極は前記反射画素電極の下層に形成された、アクティブマトリクス基板。 - 請求項1記載のアクティブマトリクス基板であって、
前記補助容量電極は前記反射画素電極の形成領域全体に形成された、アクティブマトリクス基板。 - 請求項1〜請求項3のいずれかに記載のアクティブマトリクス基板であって、
前記反射画素電極は、モリブデン又はモリブデン合金の膜上に、アルミニウム又はアルミニウム合金の膜を形成したものである、アクティブマトリクス基板。 - 請求項1〜請求項4のいずれかに記載のアクティブマトリクス基板であって、
前記第1層間絶縁膜は、窒化シリコン又は酸化シリコンを含む無形系絶縁膜で構成されているアクティブマトリクス基板。 - (a)基板上にゲート配線及び補助容量電極を形成する工程と、
(b)前記ゲート配線及び前記補助容量電極を覆うように第1層間絶縁膜を形成する工程と、
(c)スイッチング素子を構成する半導体層を形成する工程と、
(d)前記第1層間絶縁膜上に前記ゲート配線に対して交差するようにソース配線を形成する工程と、
(e)少なくとも一部が前記第1層間絶縁膜を挟んで前記補助容量電極に対向するようにドレイン電極を形成する工程と、
(f)前記半導体層、前記ソース配線及び前記ドレイン電極を覆うように第2層間絶縁膜を形成する工程と、
(g)前記補助容量電極の配設領域を避けかつ前記補助容量電極の配設領域に囲まれた部分で前記ドレイン電極に達するように、前記第2層間絶縁膜にコンタクトホールを形成する工程と、
(h)前記第2層間絶縁膜上に、直接接している反射画素電極と透明画素電極とを含み、前記コンタクトホールを通じて前記ドレイン電極に接続された画素電極を形成する工程と、
を備えたアクティブマトリクス基板の製造方法であって、
前記補助容量電極の配設領域に囲まれた部分は、前記コンタクトホールのうち前記ドレイン電極の接触部分全体もしくは一部が、3方向から或は2方向から前記補助容量電極の配設領域で囲まれる態様である、アクティブマトリクス基板の製造方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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JP2005022540A JP4083752B2 (ja) | 2005-01-31 | 2005-01-31 | アクティブマトリクス基板及びその製造方法 |
TW094139439A TWI324266B (en) | 2005-01-31 | 2005-11-10 | Active matrix substrate and its manufacturing method |
US11/274,281 US7554119B2 (en) | 2005-01-31 | 2005-11-16 | Active matrix substrate and its manufacturing method |
KR1020060001248A KR100759282B1 (ko) | 2005-01-31 | 2006-01-05 | 액티브 매트릭스 기판 및 그 제조 방법 |
CNB2006100057753A CN100514657C (zh) | 2005-01-31 | 2006-01-06 | 有源矩阵衬底及其制造方法 |
US12/470,978 US7923729B2 (en) | 2005-01-31 | 2009-05-22 | Active matrix substrate and its manufacturing method |
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CN100514657C (zh) | 2009-07-15 |
TWI324266B (en) | 2010-05-01 |
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