KR100450702B1 - 액정표시장치용 어레이기판 제조방법 - Google Patents
액정표시장치용 어레이기판 제조방법 Download PDFInfo
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- KR100450702B1 KR100450702B1 KR10-2001-0087618A KR20010087618A KR100450702B1 KR 100450702 B1 KR100450702 B1 KR 100450702B1 KR 20010087618 A KR20010087618 A KR 20010087618A KR 100450702 B1 KR100450702 B1 KR 100450702B1
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims description 26
- 239000000758 substrate Substances 0.000 claims abstract description 51
- 239000011651 chromium Substances 0.000 claims abstract description 45
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 43
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 42
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 41
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 40
- 239000011733 molybdenum Substances 0.000 claims abstract description 40
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 25
- 239000010410 layer Substances 0.000 claims description 175
- 229910052751 metal Inorganic materials 0.000 claims description 65
- 239000002184 metal Substances 0.000 claims description 65
- 238000005530 etching Methods 0.000 claims description 14
- 229920002120 photoresistant polymer Polymers 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000002161 passivation Methods 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 7
- 238000000059 patterning Methods 0.000 claims description 7
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 4
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 4
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 claims description 4
- UMIVXZPTRXBADB-UHFFFAOYSA-N benzocyclobutene Chemical compound C1=CC=C2CCC2=C1 UMIVXZPTRXBADB-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000004925 Acrylic resin Substances 0.000 claims description 2
- 229920000178 Acrylic resin Polymers 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 239000011241 protective layer Substances 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims 3
- 239000011259 mixed solution Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 claims 1
- 239000010408 film Substances 0.000 description 19
- 229910021417 amorphous silicon Inorganic materials 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- -1 silver aluminum Chemical compound 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012421 spiking Methods 0.000 description 1
- 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
Classifications
-
- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133345—Insulating layers
-
- 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
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32134—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by liquid etching only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
- B32B2457/202—LCD, i.e. liquid crystal displays
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
- G02F1/133519—Overcoatings
-
- 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
- G02F1/13625—Patterning using multi-mask exposure
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (11)
- 기판 상에 구성된 게이트 전극과, 게이트 전극과 연결된 게이트 배선과, 게이트 배선에서 연장된 게이트 패드 전극과;상기 게이트 전극과 게이트 배선과 게이트 패드 전극 상부에 구성된 제 1 절연막과;상기 게이트 전극 상부의 제 1 절연막 상에 적층되어 구성된 액티브층과 오믹 콘택층과;상기 오믹 콘택층과 접촉하고, 크롬(Cr)/알루미늄(Al)(또는 알루미늄 합금)/몰리브덴(Mo)의 적층 구조로 구성된 소스 및 드레인 전극과 상기 소스전극과 연결된 데이터배선과 데이터 배선에서 연장된 데이터 패드 전극과;소스전극과 드레인 전극과 데이터 배선 상에 구성되고, 상기 드레인 전극의 일부를 노출하는 콘택홀을 갖는 보호막과;상기 콘택홀을 통해 드레인 전극과 접촉하고, 투명도전성 금속물질로 이루어진 화소전극을 포함하는 액정표시장치용 어레이기판.
- 제 1 항에 있어서,상기 투명도전성 금속물질은 인듐-틴-옥사이드(ITO), 인듐-징크-옥사이드(IZO)를 포함하는 물질 중 선택된 하나로 이루어지는 액정표시장치용 어레이기판.
- 삭제
- 삭제
- 기판 상에 게이트 전극 및 이와 연결된 게이트배선과, 게이트 배선에서 연장된 게이트 패드전극을 형성하는 단계와;상기 게이트전극 및 게이트배선이 형성된 기판의 전면에 제 1 절연막을 형성하는 단계와;상기 게이트전극 상부의 제 1 절연막 상에 액티브층과 오믹콘택층을 형성하는 단계와;상기 오믹 콘택층이 형성된 기판의 전면에 크롬(Cr)을 증착한 제 1 금속층과, 알루미늄(Al)(또는 알루미늄 합금)을 증착한 제 2 금속층과, 몰리브덴(Mo)을 증착한 제 3 금속층을 적층하는 단계와;상기 제 1 금속층과 제 2 금속층과 제 3 금속층을 패터닝하여, 상기 오믹 콘택층과 접촉하는 소스전극 및 드레인전극과, 소스전극과 연결되며 상기 게이트배선과 교차하여 화소영역을 정의하는 데이터배선과 상기 데이터 배선에서 연장된 데이터 패드 전극을 형성하는 단계와;소스전극 및 드레인 전극이 형성된 기판의 전면에 제 2 절연막인 보호막을 형성한 후 패턴하여, 상기 드레인 전극의 일부를 노출하는 드레인 콘택홀을 형성하는 단계와;상기 보호막 사이로 노출된 드레인 전극과 접촉하면서 화소영역으로 연장된 투명 화소전극을 형성하는 단계를 포함하는 액정표시장치용 어레이기판 제조방법.
- 제 5 항에 있어서,상기 소스 및 드레인 전극과 데이터 배선과 데이터 패드전극은, 상기 제 3 금속층을 기판의 전면 대해 극 미량만을 남기고 제거하는 단계와;상기 노출된 제 2 금속층 상부에 포토레지스트를 도포한 후 현상하여 잔류 포토레지스트를 남기는 단계와;상기 잔류 포토레지스트 사이에 노출된 제 2 금속을 식각하고 제 1 금속층을 노출하는 단계로 형성되는 액정표시 장치용 어레이기판 제조방법.
- 제 5 항에 있어서,상기 보호막은 벤조사이클로부텐(BCB)과 아크릴(acryl)계 수지(resin)를 포함한 유기절연물질과 경우에 따라서는, 질화 실리콘(SiNx)과 산화 실리콘(SiOX)을 포함한 무기절연물질 중 선택된 하나로 형성한 액정표시장치용 어레이기판 제조방법.
- 제 5 항에 있어서,상기 몰리브덴 층을 식각하는 식각용액은 H2O2계열인 액정표시장치용 어레이기판 제조방법.
- 제 5 항에 있어서,상기 알루미늄층을 식각하는 식각용액은 혼상용액인 액정표시장치용 어레이기판 제조방법.
- 제 5 항에 있어서,상기 크롬층을 식각하는 식각용액은 (Ce(NH4)2(NO3)+HNO3)인 액정표시장치용 어레이기판 제조방법.
- 제 5 항에 있어서,상기 제 1 금속층인 크롬층은 30Å∼1000Å의 두께로 증착되고, 상기 제 2 금속층인 알루미늄층은 1000Å∼3000Å의 두께로 증착되고, 상기 제 3 금속층은 30Å∼1000Å의 두께로 증차된 액정표시장치용 어레이기판 제조방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0087618A KR100450702B1 (ko) | 2001-12-28 | 2001-12-28 | 액정표시장치용 어레이기판 제조방법 |
US10/327,084 US20030122987A1 (en) | 2001-12-28 | 2002-12-24 | Array substrate for a liquid crystal display device having multi-layered metal line and fabricating method thereof |
US11/783,407 US7649582B2 (en) | 2001-12-28 | 2007-04-09 | Array substrate for a liquid crystal display device having multi-layered metal line and fabricating method thereof |
US12/591,896 US7995154B2 (en) | 2001-12-28 | 2009-12-03 | Array substrate for a liquid crystal display device having multi-layered metal line and fabricating method thereof |
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KR10-2001-0087618A KR100450702B1 (ko) | 2001-12-28 | 2001-12-28 | 액정표시장치용 어레이기판 제조방법 |
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KR20030057229A KR20030057229A (ko) | 2003-07-04 |
KR100450702B1 true KR100450702B1 (ko) | 2004-10-01 |
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KR19990083510A (ko) * | 1998-04-27 | 1999-11-25 | 가나이 쓰도무 | 액티브매트릭스형액정표시장치 |
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KR19990083510A (ko) * | 1998-04-27 | 1999-11-25 | 가나이 쓰도무 | 액티브매트릭스형액정표시장치 |
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