JP4799491B2 - 液晶表示装置及びその製造方法 - Google Patents
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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 35
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 239000010410 layer Substances 0.000 claims description 71
- 239000004065 semiconductor Substances 0.000 claims description 59
- 239000010408 film Substances 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 26
- 230000001681 protective effect Effects 0.000 claims description 25
- 239000000758 substrate Substances 0.000 claims description 22
- 229920002120 photoresistant polymer Polymers 0.000 claims description 18
- 239000010409 thin film Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 238000005530 etching Methods 0.000 description 8
- 239000010949 copper Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- UBSJOWMHLJZVDJ-UHFFFAOYSA-N aluminum neodymium Chemical compound [Al].[Nd] UBSJOWMHLJZVDJ-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 229910001887 tin oxide Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- 229910001182 Mo alloy Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- WGCXSIWGFOQDEG-UHFFFAOYSA-N [Zn].[Sn].[In] Chemical compound [Zn].[Sn].[In] WGCXSIWGFOQDEG-UHFFFAOYSA-N 0.000 description 1
- -1 acrylic organic compound Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 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
- TYHJXGDMRRJCRY-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) tin(4+) Chemical compound [O-2].[Zn+2].[Sn+4].[In+3] TYHJXGDMRRJCRY-UHFFFAOYSA-N 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
-
- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
-
- 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
-
- 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
- H01L27/1288—Multistep manufacturing methods employing particular masking sequences or specially adapted masks, e.g. half-tone mask
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
Description
Claims (11)
- 基板上に画素領域を定義する複数本のゲートライン及びデータラインと、
前記ゲートラインとデータラインとの交差領域に形成され、前記対応するデータラインと電気的に結合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、データライン及び薄膜トランジスタを覆うように形成される保護膜と、
前記画素領域に形成されて前記薄膜トランジスタに接続された画素電極と、
隣接した前記画素電極間の領域内に位置する前記データライン及び前記半導体層のそれぞれの側面と上面部を覆うように形成され、前記ゲートラインとデータラインとの交差部では前記保護膜を介在して前記データラインと重畳形成されるデータ保護パターンとを備え、
隣接した前記画素電極間の領域内に位置する前記データラインは、前記半導体層上に形成され、隣接した前記画素電極間の領域内に位置する前記データライン及び半導体層の線幅は同一であることを特徴とする液晶表示装置。
- 前記データ保護パターンは、前記半導体層のエッジと隣接したゲート絶縁膜の上部面を一部覆うように形成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。
- 前記データ保護パターンは、前記画素電極と同一物質で形成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。
- 前記保護膜は、隣接した前記画素電極間の前記データラインを露出させるラインホールを含むことを特徴とする請求項2に記載の液晶表示装置。
- 前記データ保護パターンは、前記ラインホール内に形成されていることを特徴とする請求項4に記載の液晶表示装置。
- 前記ゲートラインとデータラインとの交差部では、半導体層の線幅が前記データラインの線幅よりも約1〜3μm大きく形成されており、
前記データラインと連結されたデータパッド下部電極に位置する半導体層の線幅は、該データパッド下部電極の線幅よりも約1〜3μm大きく形成されていることを特徴とする請求項1に記載の液晶表示装置。
- 基板上にゲートライン及びゲート電極を含むゲートパターンを形成する段階と、
前記ゲートパターンの形成された基板上にゲート絶縁膜及び半導体層を形成し、該半導体層上にデータライン及びソース/ドレイン電極を含むソース/ドレインパターンを形成する段階と、
前記ソース/ドレインパターンの形成された基板上に保護膜を形成し、前記データラインの両側に突出している半導体層を除去する段階と、
前記ゲートラインとデータラインとの交差部では前記保護膜を介在して前記データラインと重畳形成されたデータ保護パターン及び前記保護膜上に、前記ドレイン電極と接続された画素電極を形成する段階と、を含み、
前記データライン両側に突出している半導体層を除去する段階は、
前記保護膜上にフォトレジストパターンを形成する段階と、
前記フォトレジストパターンをマスクとして前記保護膜及びゲート絶縁膜のうちの少なくともいずれか一つと、前記データラインの両側に突出している半導体層とをエッチングし、前記データライン及びその下部に位置する半導体層を露出させるラインホールを形成する段階とを含み、
前記データ保護パターンは、前記ラインホールによって露出された前記データライン及び半導体層を覆うように形成されることを特徴とする液晶表示装置の製造方法。
- 前記データ保護パターンは、前記画素電極と同一物質で形成されることを特徴とする請求項7に記載の液晶表示装置の製造方法。
- 前記半導体層は、前記隣接する画素電極間において前記データラインと同じ線幅を有することを特徴とする請求項7に記載の液晶表示装置の製造方法。
- 前記データ保護パターンは、前記ラインホール内に形成されることを特徴とする請求項7に記載の液晶表示装置の製造方法。
- 前記ゲートラインとデータラインとの交差部では、半導体層の線幅が前記データラインの線幅よりも約1〜3μm大きく形成され、
前記データラインと連結されたデータパッド下部電極に位置する半導体層の線幅は、該データパッド下部電極の線幅よりも約1〜3μm大きく形成されることを特徴とする請求項7に記載の液晶表示装置の製造方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2006-0128468 | 2006-12-15 | ||
KR1020060128468A KR101319301B1 (ko) | 2006-12-15 | 2006-12-15 | 액정표시장치 및 그 제조방법 |
Publications (2)
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JP2008152231A JP2008152231A (ja) | 2008-07-03 |
JP4799491B2 true JP4799491B2 (ja) | 2011-10-26 |
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US (2) | US8018564B2 (ja) |
JP (1) | JP4799491B2 (ja) |
KR (1) | KR101319301B1 (ja) |
CN (1) | CN101206361B (ja) |
Families Citing this family (10)
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KR101569766B1 (ko) | 2009-01-29 | 2015-11-17 | 삼성디스플레이 주식회사 | 박막 트랜지스터 표시판 및 그 제조 방법 |
JP5596330B2 (ja) * | 2009-11-16 | 2014-09-24 | パナソニック液晶ディスプレイ株式会社 | 液晶表示装置及びその製造方法 |
CN103117284A (zh) | 2013-02-01 | 2013-05-22 | 京东方科技集团股份有限公司 | 一种阵列基板及其制作方法、显示装置 |
KR102080065B1 (ko) * | 2013-04-30 | 2020-04-07 | 엘지디스플레이 주식회사 | 박막 트랜지스터 어레이 기판 및 그 제조 방법 |
CN103337477B (zh) * | 2013-05-27 | 2015-06-03 | 北京京东方光电科技有限公司 | 阵列基板的制备方法及阵列基板和显示装置 |
KR102156762B1 (ko) * | 2013-07-31 | 2020-09-16 | 엘지디스플레이 주식회사 | 박막트랜지스터 어레이 기판 및 그의 제조방법 |
KR102054671B1 (ko) | 2013-09-27 | 2019-12-11 | 엘지디스플레이 주식회사 | 디스플레이 장치 및 그 제조방법 |
JP5908036B2 (ja) * | 2014-08-07 | 2016-04-26 | パナソニック液晶ディスプレイ株式会社 | 液晶表示装置 |
JP2018025671A (ja) * | 2016-08-10 | 2018-02-15 | 株式会社ジャパンディスプレイ | 表示装置 |
CN108873526B (zh) * | 2018-07-19 | 2021-10-26 | 京东方科技集团股份有限公司 | 阵列基板及其制造方法、显示装置 |
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US5994721A (en) * | 1995-06-06 | 1999-11-30 | Ois Optical Imaging Systems, Inc. | High aperture LCD with insulating color filters overlapping bus lines on active substrate |
JP2985124B2 (ja) * | 1997-06-12 | 1999-11-29 | 株式会社日立製作所 | 液晶表示装置 |
TW413844B (en) * | 1998-11-26 | 2000-12-01 | Samsung Electronics Co Ltd | Manufacturing methods of thin film transistor array panels for liquid crystal displays and photolithography method of thin films |
US6380559B1 (en) * | 1999-06-03 | 2002-04-30 | Samsung Electronics Co., Ltd. | Thin film transistor array substrate for a liquid crystal display |
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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 |
KR100980008B1 (ko) * | 2002-01-02 | 2010-09-03 | 삼성전자주식회사 | 배선 구조, 이를 이용하는 박막 트랜지스터 기판 및 그제조 방법 |
KR100905472B1 (ko) * | 2002-12-17 | 2009-07-02 | 삼성전자주식회사 | 박막 트랜지스터 어레이 기판 및 이를 포함하는 액정 표시장치 |
TWI221942B (en) * | 2003-08-21 | 2004-10-11 | Toppoly Optoelectronics Corp | Liquid crystal display device |
KR101107981B1 (ko) * | 2004-09-03 | 2012-01-25 | 삼성전자주식회사 | 표시 장치용 기판, 액정 표시 장치 및 그 제조방법 |
KR20060042303A (ko) * | 2004-11-09 | 2006-05-12 | 삼성전자주식회사 | 가요성 액정 표시 장치의 제조 방법 |
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2006
- 2006-12-15 KR KR1020060128468A patent/KR101319301B1/ko active IP Right Grant
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2007
- 2007-06-22 US US11/821,162 patent/US8018564B2/en active Active
- 2007-06-29 JP JP2007172210A patent/JP4799491B2/ja active Active
- 2007-06-29 CN CN2007101260148A patent/CN101206361B/zh active Active
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- 2011-08-16 US US13/210,772 patent/US8237903B2/en active Active
Also Published As
Publication number | Publication date |
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US8018564B2 (en) | 2011-09-13 |
KR101319301B1 (ko) | 2013-10-16 |
CN101206361B (zh) | 2011-06-15 |
US20110300655A1 (en) | 2011-12-08 |
KR20080055314A (ko) | 2008-06-19 |
CN101206361A (zh) | 2008-06-25 |
US20080143909A1 (en) | 2008-06-19 |
US8237903B2 (en) | 2012-08-07 |
JP2008152231A (ja) | 2008-07-03 |
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