KR100488955B1 - 박막 트랜지스터 어레이 및 그 제조 방법 - Google Patents
박막 트랜지스터 어레이 및 그 제조 방법 Download PDFInfo
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- KR100488955B1 KR100488955B1 KR10-2002-0002225A KR20020002225A KR100488955B1 KR 100488955 B1 KR100488955 B1 KR 100488955B1 KR 20020002225 A KR20020002225 A KR 20020002225A KR 100488955 B1 KR100488955 B1 KR 100488955B1
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- 239000010409 thin film Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000010408 film Substances 0.000 claims abstract description 49
- 239000000758 substrate Substances 0.000 claims abstract description 44
- 239000011347 resin Substances 0.000 claims abstract description 38
- 229920005989 resin Polymers 0.000 claims abstract description 38
- 230000001681 protective effect Effects 0.000 claims abstract description 37
- 239000004033 plastic Substances 0.000 claims abstract description 30
- 229920003023 plastic Polymers 0.000 claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 239000004973 liquid crystal related substance Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000000151 deposition Methods 0.000 claims description 7
- 238000000059 patterning Methods 0.000 claims description 7
- 238000005530 etching Methods 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 230000035515 penetration Effects 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- -1 Polyethylene terephthalate Polymers 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 206010047571 Visual impairment Diseases 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920001721 polyimide Polymers 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
- 229910052814 silicon oxide Inorganic materials 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133305—Flexible substrates, e.g. plastics, organic film
-
- 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
- G02F1/133553—Reflecting elements
-
- 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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
-
- 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
-
- 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
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- 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
- H01L27/1218—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 structure of the substrate
-
- 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
- H01L27/1262—Multistep manufacturing methods with a particular formation, treatment or coating of the substrate
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (6)
- 박막 트랜지스터부와 반사 전극부와 외부 회로부를 포함하는 반사형 액정디스플레이용 박막 트랜지스터 어레이에 있어서,플라스틱 기판;상기 플라스틱 기판의 전후면 전체에 형성되고, 반사 전극부에서 요철 구조를 이루는 수지 보호막;상기 박막 트랜지스터부에서의 수지 보호막 상에 형성된 게이트 전극;상기 반사 전극부에서의 수지 보호막 상에 형성된 반사 전극;상기 외부 회로부에서의 수지 보호막 상에 형성되는 제1 외부 연결 전극;상기 게이트 전극과 반사 전극 및 제1 외부 연결 전극이 형성된 플라스틱 기판 전면의 수지 보호막 상에 형성된 게이트 절연막;상기 박막 트랜지스터부에서의 게이트 절연막 상에 순차적으로 형성된 활성층과 오믹층 및 소스/드레인 전극;상기 외부 회로부에서의 게이트 절연막 상에 형성된 제2 외부 연결 전극;상기 단계까지의 기판 결과물 상에 형성된 비활성층;상기 소스/드레인 전극과 반사 전극을 각각 노출시키도록 형성된 제1 컨택 홀과 제1 및 제2 외부 연결 전극들을 각각 노출시키도록 형성된 제2 컨택 홀; 및상기 비활성층 상에 제1 컨택 홀을 통하여 소스/드레인 전극과 반사 전극을 연결시키도록 형성된 제1 연결 패턴과 제2 컨택 홀을 통하여 제1 외부 연결 전극과 제2 외부 연결 전극을 연결시키도록 형성된 제2 연결 패턴을 포함하는 것을 특징으로 하는 박막 트랜지스터 어레이.
- 제 1 항에 있어서, 상기 비활성층은 플라스틱 기판의 전후면 전체에 형성되거나, 또는, 전면 상에만 형성된 것을 특징으로 하는 박막 트랜지스터 어레이.
- 제 1 항에 있어서, 상기 게이트 절연막과 비활성층은 반사 전극 상부를 제외한 나머지 플라스틱 기판 상부에 형성된 것을 특징으로 하는 박막 트랜지스터 어레이.
- 박막 트랜지스터부와 반사 전극부 및 외부 회로부를 포함하는 반사형 액정 디스플레이용 박막 트랜지스터 어레이의 제조 방법에 있어서,플라스틱 기판을 준비하는 단계;상기 플라스틱 기판의 전후면 전체 상에 반사 전극부에서 요철 구조를 갖는 수지 보호막을 형성하는 단계;상기 수지 보호막 상에 금속층을 증착하고 패터닝하여 박막 트랜지스터부 상에 게이트 전극을 형성하고 외부회로부 상에 제1 외부 연결 전극을 형성하는 단계;상기 게이트 전극 및 제1 외부 연결 전극이 형성된 플라스틱 기판 상의 수지 보호막의 전면 상에 게이트 절연막을 형성하는 단계;상기 박막 트랜지스터부의 게이트 절연막 상에 순차적으로 활성층과 오믹층을 형성하는 단계;상기 활성층과 오믹층이 형성된 결과물 상에 금속층을 증착하고 패터닝하여 상기 오믹층 상에 소스/드레인 전극을 형성하고 외부 회로부의 게이트 절연막 상에 제2 외부 연결 전극을 형성하는 단계;상기 단계까지의 기판 결과물 상에 비활성층을 형성하는 단계;상기 비활성층과 게이트 절연막을 식각하여 소스/드레인 전극 및 반사 전극을 각각 노출시키는 제1 컨택 홀과 제1 외부 연결 전극 및 제2 외부 연결 전극을 각각 노출시키는 제2 컨택 홀을 형성하는 단계; 및상기 비활성층 상에 금속층을 증착하고 패터닝하여 제1 컨택 홀을 통해 소스/드레인 전극과 반사 전극을 연결시키는 제1 연결 패턴 및 제2 컨택 홀을 통해 제1 외부 연결 전극과 제2 외부 연결 전극을 연결시키는 제2 연결 패턴을 형성하는 단계를 포함하는 것을 특징으로 하는 박막 트랜지스터 어레이의 제조 방법.
- 제 4 항에 있어서, 상기 제1 컨택 홀과 상기 제2 컨택 홀을 형성하는 단계는 상기 반사 전극 위에 있는 게이트 절연막과 비활성층을 제거하는 단계를 포함하는 것을 특징으로 하는 박막 트랜지스터 어레이의 제조 방법.
- 제 4 항에 있어서, 상기 비활성층을 형성하는 단계는플라스틱 기판의 전후면 전체 상에 형성하거나, 또는, 전면 상에만 형성하는 것을 특징으로 하는 박막 트랜지스터 어레이의 제조 방법.
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KR101108774B1 (ko) * | 2005-03-30 | 2012-02-24 | 엘지디스플레이 주식회사 | 액정표시장치 및 그 제조방법 |
CN106292043B (zh) * | 2015-05-29 | 2019-10-25 | 鸿富锦精密工业(深圳)有限公司 | 电连接结构及阵列基板 |
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JPH10261803A (ja) * | 1997-03-18 | 1998-09-29 | Semiconductor Energy Lab Co Ltd | 半導体装置およびその作製方法 |
JPH10270711A (ja) * | 1997-03-25 | 1998-10-09 | Internatl Business Mach Corp <Ibm> | 薄膜トランジスタ |
KR20010002981A (ko) * | 1999-06-19 | 2001-01-15 | 구본준 | 수소화 비정질실리콘 박막트랜지스터의 저온 제조방법 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH08186267A (ja) * | 1994-12-27 | 1996-07-16 | Semiconductor Energy Lab Co Ltd | 半導体装置およびその作製方法および電気光学装置 |
JPH10261803A (ja) * | 1997-03-18 | 1998-09-29 | Semiconductor Energy Lab Co Ltd | 半導体装置およびその作製方法 |
JPH10270711A (ja) * | 1997-03-25 | 1998-10-09 | Internatl Business Mach Corp <Ibm> | 薄膜トランジスタ |
KR20010002981A (ko) * | 1999-06-19 | 2001-01-15 | 구본준 | 수소화 비정질실리콘 박막트랜지스터의 저온 제조방법 |
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