JP5596330B2 - 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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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 67
- 238000004519 manufacturing process Methods 0.000 title claims description 33
- 239000004065 semiconductor Substances 0.000 claims description 105
- 229910052751 metal Inorganic materials 0.000 claims description 94
- 239000002184 metal Substances 0.000 claims description 94
- 239000000758 substrate Substances 0.000 claims description 62
- 238000005530 etching Methods 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 15
- 239000010409 thin film Substances 0.000 claims description 11
- 239000010408 film Substances 0.000 description 60
- 238000002161 passivation Methods 0.000 description 35
- 230000004048 modification Effects 0.000 description 17
- 238000012986 modification Methods 0.000 description 17
- 239000011810 insulating material Substances 0.000 description 11
- 229910010272 inorganic material Inorganic materials 0.000 description 7
- 239000011147 inorganic material Substances 0.000 description 7
- 238000000059 patterning Methods 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 4
- 239000011368 organic material Substances 0.000 description 4
- 238000000206 photolithography Methods 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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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
- G02F1/136227—Through-hole connection of the pixel electrode to the active element through an insulation layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—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
- 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
- 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
- H01L27/1244—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 for preventing breakage, peeling or short circuiting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—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
- 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
- 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
- H01L27/1248—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 or shape of the interlayer dielectric specially adapted to the circuit arrangement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—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
- 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
- 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
- H01L27/1259—Multistep manufacturing methods
-
- 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
- G02F1/1362—Active matrix addressed cells
- G02F1/136222—Colour filters incorporated in the active matrix substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
- H01L29/41725—Source or drain electrodes for field effect devices
- H01L29/41733—Source or drain electrodes for field effect devices for thin film transistors with insulated gate
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Nonlinear Science (AREA)
- Manufacturing & Machinery (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
Description
ターンを、前記半導体パターンが、前記金属パターンの下に積層された第1部分と、前記第1部分から前記金属パターンの外側にはみ出す第2部分と、を有するように形成する工程と、前記金属パターン及び前記半導体パターンを覆う絶縁層を形成する工程と、前記絶縁層の、前記金属パターンの上方の第1領域と、前記半導体パターンの少なくとも前記第2部分の上方の第2領域と、に対して行うエッチング工程と、その後、前記第1基板と、前記第1基板に対向する第2基板との間に、シールに囲まれて封止されるように液晶を配置する工程と、を含み、前記エッチング工程で、前記第1領域では前記絶縁層をエッチングして前記金属パターンとの電気的接続のための貫通穴を形成し、前記第2領域では前記絶縁層及び前記半導体パターンをエッチングして、前記半導体パターンの前記第2部分を除去することを特徴とする。
図1A〜図4は、本発明の第1の実施形態に係る液晶表示装置の製造方法を説明する図である。図1Bは、図1Aに示す構造のIB−IB線断面図である。図2Bは、図2Aに示す構造のIIB−IIB線断面図である。図3Bは、図3Aに示す構造のIII−III線断面図である。
図10A〜図12は、本発明の第2の実施形態に係る液晶表示装置の製造方法を説明する図である。図10Bは、図10Aに示す構造のXB−XB線断面図である。図11Bは、図11Aに示す構造のXIB−XIB線断面図である。
図18は、本発明の第3の実施形態に係る液晶表示装置を示す図である。
図19は、本発明の第4の実施形態に係る液晶表示装置を示す図である。
Claims (9)
- 第1基板に半導体パターン及び金属パターンを、前記半導体パターンが、前記金属パターンの下に積層された第1部分と、前記第1部分から前記金属パターンの外側にはみ出す第2部分と、を有するように形成する工程と、
前記金属パターン及び前記半導体パターンを覆う第1の絶縁層を形成する工程と、
前記第1の絶縁層の、前記金属パターンの上方の第1領域と、前記半導体パターンの少なくとも前記第2部分の上方の第2領域と、に対して行うエッチング工程と、
前記第1の絶縁層を覆う第2の絶縁層を形成する工程と、
前記第2の絶縁層の上に電極を形成する工程と、その後、
前記第1基板と、前記第1基板に対向する第2基板との間に、シールに囲まれて封止されるように液晶を配置する工程と、
を含み、
前記エッチング工程で、前記第1領域では前記第1の絶縁層をエッチングして前記金属パターンとの電気的接続のための貫通穴を形成し、前記第2領域では前記第1の絶縁層及び前記半導体パターンをエッチングして、前記半導体パターンの前記第2部分を除去してスペースを形成し、前記第2の絶縁層を形成する工程で、前記スペースに前記第2の絶縁層を形成し、
前記金属パターンは、前記シールで囲まれる領域内に位置する複数の第1配線と、前記シールで囲まれる前記領域の外側に位置する複数の第2配線と、を含み、
前記複数の第1配線は、隣同士の間隔をあけて並列し、隣同士の前記第1配線の間の領域の下方に、エッチングされる前記第2部分が位置し、
前記複数の第2配線は、隣同士の間隔をあけて並列し、隣同士の前記第2配線の間の領域の下方に、前記エッチング工程で残される前記半導体パターンの第3部分が位置することを特徴とする液晶表示装置の製造方法。 - 請求項1に記載された液晶表示装置の製造方法において、
前記第2領域は、前記半導体パターンの前記第1部分及び前記第2部分並びに前記第1部分上の前記金属パターンの上方にあり、
前記エッチング工程で、前記第1部分上の前記金属パターンをマスクとして、前記第1部分を残すように、前記半導体パターンの前記第2部分を除去することを特徴とする液晶
表示装置の製造方法。 - 請求項2に記載された液晶表示装置の製造方法において、
前記金属パターンは、配線を含み、
前記半導体パターンの前記第2部分は、前記配線の幅方向の両側にはみ出すことを特徴とする液晶表示装置の製造方法。 - 請求項1に記載された液晶表示装置の製造方法において、
前記第2の絶縁層は、カラーフィルタの少なくとも1色の着色層を形成する材料であることを特徴とする液晶表示装置の製造方法。 - 請求項1から4のいずれか1項に記載された液晶表示装置の製造方法において、前記電極は、共通電極であることを特徴とする液晶表示装置の製造方法。
- 請求項1から4のいずれか1項に記載された液晶表示装置の製造方法において、前記電極は、画素電極であることを特徴とする液晶表示装置の製造方法。
- 薄膜トランジスタが形成された第1基板と、
前記第1基板に対向する第2基板と、
前記第1基板と前記第2基板の間に配置された液晶と、
前記第1基板と前記第2基板の間で前記液晶の周囲に配置されたシールと、
を含み、
前記第1基板には、半導体パターン及び金属パターンが、前記半導体パターンが前記金属パターンの下に積層されるように形成され、
前記半導体パターン及び金属パターンを覆う絶縁層と、前記絶縁層の上に形成された電極と、をさらに含み、
前記金属パターンは、隣同士の間隔をあけて並列し、前記シールで囲まれる領域内に位置する複数の第1配線と、前記シールで囲まれる前記領域の外側に位置する複数の第2配線と、を含み、
前記半導体パターンが、前記金属パターンの下に積層された第1部分と、隣同士の前記第1配線の間の領域の下方に位置し前記第1部分から前記金属パターンの外側にはみ出す第2部分と、を有するように形成された前記第2部分をエッチングにより除去することにより、前記シールに囲まれた領域では、前記半導体パターンの側面と前記金属パターンの側面が面一になっており、
前記複数の第2配線は、隣同士の間隔をあけて並列し、隣同士の前記第2配線の間の領域の下方に、前記エッチング工程で残される前記半導体パターンの第3部分が位置することを特徴とする液晶表示装置。 - 請求項7に記載された液晶表示装置において、前記電極は、共通電極であることを特徴とする液晶表示装置。
- 請求項7に記載された液晶表示装置において、前記電極は、画素電極であることを特徴とする液晶表示装置。
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JP2009260984A JP5596330B2 (ja) | 2009-11-16 | 2009-11-16 | 液晶表示装置及びその製造方法 |
US12/944,543 US8743328B2 (en) | 2009-11-16 | 2010-11-11 | Manufacturing method for a liquid crystal display device wherein each side of a metal pattern and a semiconductor pattern facing an etched space is contacted by an insulating layer |
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CN103413782B (zh) * | 2013-07-23 | 2015-08-26 | 北京京东方光电科技有限公司 | 一种阵列基板及其制作方法和显示面板 |
CN105682769A (zh) | 2013-10-30 | 2016-06-15 | 惠普发展公司,有限责任合伙企业 | 岛蚀刻的过滤通道 |
JP6171097B2 (ja) | 2013-10-30 | 2017-07-26 | ヒューレット−パッカード デベロップメント カンパニー エル.ピー.Hewlett‐Packard Development Company, L.P. | 非平行アイランドエッチング |
US9187160B2 (en) | 2013-11-05 | 2015-11-17 | Matthew Mark McJunkin | Surface floating apparatus for diving |
CN104166280A (zh) * | 2014-07-24 | 2014-11-26 | 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 |
CN105045010B (zh) * | 2015-08-26 | 2019-01-22 | 深圳市华星光电技术有限公司 | 一种阵列基板和显示装置 |
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JPH1031209A (ja) * | 1996-07-12 | 1998-02-03 | Canon Inc | カラー液晶表示素子 |
KR100923707B1 (ko) | 1999-09-07 | 2009-10-27 | 가부시키가이샤 히타치세이사쿠쇼 | 액정표시장치 |
JP4414568B2 (ja) * | 2000-07-24 | 2010-02-10 | 三菱電機株式会社 | 液晶表示装置のtftアレイ基板製造方法 |
JP4152623B2 (ja) * | 2001-01-29 | 2008-09-17 | 株式会社日立製作所 | 液晶表示装置 |
JP2004177895A (ja) * | 2002-11-29 | 2004-06-24 | Victor Co Of Japan Ltd | アクティブマトリクス表示装置の製造方法 |
JP4241238B2 (ja) * | 2003-08-29 | 2009-03-18 | 株式会社 日立ディスプレイズ | 液晶表示装置 |
KR101252001B1 (ko) * | 2006-06-15 | 2013-04-08 | 삼성디스플레이 주식회사 | 액정 표시 장치 및 그 제조 방법 |
KR101319301B1 (ko) * | 2006-12-15 | 2013-10-16 | 엘지디스플레이 주식회사 | 액정표시장치 및 그 제조방법 |
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US8743328B2 (en) | 2014-06-03 |
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