KR101775726B1 - 액정표시장치 제조방법 - Google Patents
액정표시장치 제조방법 Download PDFInfo
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- KR101775726B1 KR101775726B1 KR1020100118705A KR20100118705A KR101775726B1 KR 101775726 B1 KR101775726 B1 KR 101775726B1 KR 1020100118705 A KR1020100118705 A KR 1020100118705A KR 20100118705 A KR20100118705 A KR 20100118705A KR 101775726 B1 KR101775726 B1 KR 101775726B1
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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
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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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
- G02F1/1343—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]
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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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13458—Terminal pads
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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
- G02F1/136231—Active matrix addressed cells for reducing the number of lithographic steps
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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
- G02F1/136231—Active matrix addressed cells for reducing the number of lithographic steps
- G02F1/136236—Active matrix addressed cells for reducing the number of lithographic steps using a grey or half tone lithographic process
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/01—Manufacture or treatment
- H10D86/021—Manufacture or treatment of multiple TFTs
- H10D86/0231—Manufacture or treatment of multiple TFTs using masks, e.g. half-tone masks
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/01—Manufacture or treatment
- H10D86/021—Manufacture or treatment of multiple TFTs
- H10D86/0241—Manufacture or treatment of multiple TFTs using liquid deposition, e.g. printing
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- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Thin Film Transistor (AREA)
Abstract
Description
도 2a 내지 도 2i는 본 발명에 따른 횡전계방식 액정표시장치 제조 공정을 도시한 도면이다.
112: 게이트 절연막 114a: 액티브층
117a: 드레인 전극 117b: 소스 전극
119: 화소 전극 131: 공통전극
141a: 제 1 요철홈 141b: 제 2 요철홈
Claims (6)
- 화소 영역에 대응되는 표시영역과 패드 영역에 대응되는 비표시영역으로 구분되는 기판 상에 제 1 마스크 공정에 따라 게이트 전극 및 게이트 패드를 형성하는 단계;
상기 게이트 전극이 형성된 기판 상에 게이트 절연막, 비정질 실리콘층 및 불순물이 포함된 비정질 실리콘층 및 금속막을 순차적으로 형성한 다음, 하프톤 마스크 또는 회절 마스크를 포함하는 제 2 마스크 공정에 따라 액티브층, 소스/드레인 전극 및 데이터 라인을 형성하는 단계;
상기 소스/드레인 전극이 형성된 기판 상에 투명성 도전물질을 형성한 다음, 제 3 마스크 공정에 따라 화소 전극을 형성하는 단계;
상기 화소 전극이 형성된 기판 상에 유기막을 형성한 다음, 임프린팅 공정을 진행하여 화소 영역에 제 1 요철홈을 형성하고 패드 영역에 제 2 요철홈을 형성하는 단계;
상기 제 1 및 제 2 요철홈이 형성된 유기막 상에 식각 공정을 진행하여 패드 영역에 콘택홀을 형성하는 단계;
상기 콘택홀이 형성된 기판 상에 공통금속막을 형성한 다음, 감광막을 형성하고, 식각 또는 에싱 공정을 진행하여 상기 제 1 요철홈 및 콘택홀 이외의 영역의 공통금속막을 노출시키는 단계; 및
상기 제 1 요철홈 및 콘택홀 내측에 남아 있는 감광막을 마스크로 하여 식각 공정을 진행하여 화소 영역에 공통 전극을 형성하고, 패드 영역에 게이트 콘택패드를 형성하는 단계를 포함하는 액정표시장치 제조방법.
- 제1항에 있어서, 상기 임프린팅 공정에 따라 상기 유기막 상에 제 1 및 제 2 요철홈을 형성할 때, 상기 제 1 요철홈이 형성된 화소 영역의 유기막 두께는 1.5~2㎛인 것을 특징으로 하는 액정표시장치 제조방법.
- 제1항에 있어서, 상기 임프린팅 공정에 따라 상기 유기막 상에 제 1 및 제 2 요철홈을 형성할 때, 상기 제 2 요철홈이 형성된 패드 영역의 유기막 두께는 1㎛ 미만 인 것을 특징으로 하는 액정표시장치 제조방법.
- 제 1 항에 있어서, 상기 공통 전극을 형성하는 단계는,
상기 공통 전극 형성 후, 상기 패드 영역의 콘택홀 내측에 남아 있는 감광막을 레이저를 이용하여 제거하는 단계를 더 포함하는 것을 특징으로 하는 액정표시장치 제조방법.
- 제 1 항에 있어서, 상기 공통 전극을 형성하기 위한 식각 공정에는 상기 감광막과 공통금속막의 동일한 건식각 선택비를 갖는 경우, 연속적으로 공통금속막 식각 및 감광막 제거 공정을 진행하는 것을 특징으로 하는 액정표시장치 제조방법.
- 제1항에 있어서, 상기 제 2 요철홈의 깊이는 상기 제 1 요철홈의 깊이보다 깊게 형성되는 것을 특징으로 하는 액정표시장치 제조방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020100118705A KR101775726B1 (ko) | 2010-11-26 | 2010-11-26 | 액정표시장치 제조방법 |
US13/304,457 US8343787B2 (en) | 2010-11-26 | 2011-11-25 | Method for fabricating liquid crystal display device |
CN201110459926.3A CN102566179B (zh) | 2010-11-26 | 2011-11-25 | 液晶显示装置的制造方法 |
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KR1020100118705A KR101775726B1 (ko) | 2010-11-26 | 2010-11-26 | 액정표시장치 제조방법 |
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KR20120057111A KR20120057111A (ko) | 2012-06-05 |
KR101775726B1 true KR101775726B1 (ko) | 2017-09-07 |
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KR (1) | KR101775726B1 (ko) |
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Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103579219B (zh) * | 2012-07-27 | 2016-03-16 | 北京京东方光电科技有限公司 | 一种平板阵列基板、传感器及平板阵列基板的制造方法 |
KR102074424B1 (ko) | 2013-03-04 | 2020-02-07 | 삼성디스플레이 주식회사 | 액정 표시 장치 및 그 제조 방법 |
KR102140644B1 (ko) | 2013-12-11 | 2020-08-04 | 삼성디스플레이 주식회사 | 박막 트랜지스터 표시판 및 이의 제조방법 |
CN104465674B (zh) * | 2014-12-31 | 2018-01-02 | 深圳市华星光电技术有限公司 | 低温多晶硅(ltps)产品结构及制造方法 |
KR102303019B1 (ko) | 2015-06-16 | 2021-09-16 | 삼성디스플레이 주식회사 | 표시 장치용 패널, 표시 장치용 패널의 코드 판독 방법 및 표시 장치용 패널의 제조 방법 |
CN107092111B (zh) * | 2016-02-17 | 2021-06-11 | 群创光电股份有限公司 | 主动元件阵列基板以及显示面板 |
CN106356380B (zh) * | 2016-11-11 | 2019-05-31 | 深圳市华星光电技术有限公司 | 柔性tft基板及其制作方法 |
CN107167974A (zh) * | 2017-07-07 | 2017-09-15 | 惠科股份有限公司 | 阵列基板及其制造方法与应用的显示面板 |
CN107910300B (zh) | 2017-11-20 | 2020-04-21 | 合肥京东方光电科技有限公司 | 一种阵列基板的制作方法、阵列基板及显示装置 |
CN112420765B (zh) * | 2020-11-13 | 2023-01-24 | 深圳市华星光电半导体显示技术有限公司 | 灯板及其制造方法、显示装置 |
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JP2008287216A (ja) * | 2007-04-17 | 2008-11-27 | Epson Imaging Devices Corp | 液晶表示装置 |
CN101639583A (zh) * | 2008-08-01 | 2010-02-03 | 奇美电子股份有限公司 | 像素结构、彩色滤光基板及其相应的制造方法 |
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KR101031674B1 (ko) * | 2003-12-29 | 2011-04-29 | 엘지디스플레이 주식회사 | 액정표시소자의 제조방법 및 이에 사용되는 회절마스크 |
JP4805587B2 (ja) * | 2005-02-24 | 2011-11-02 | エーユー オプトロニクス コーポレイション | 液晶表示装置とその製造方法 |
KR101370969B1 (ko) * | 2006-11-30 | 2014-03-10 | 엘지디스플레이 주식회사 | 광경화성의 유기 물질 |
KR101434451B1 (ko) * | 2007-03-13 | 2014-08-27 | 엘지디스플레이 주식회사 | 액정표시장치용 어레이 기판의 제조 방법 |
KR101264722B1 (ko) * | 2007-09-20 | 2013-05-15 | 엘지디스플레이 주식회사 | 액정표시장치의 제조방법 |
KR20090050835A (ko) * | 2007-11-16 | 2009-05-20 | 삼성전자주식회사 | 박막 트랜지스터 표시판 및 그 제조 방법 |
US7947985B2 (en) * | 2008-06-13 | 2011-05-24 | Samsung Electronics Co., Ltd. | Thin film transistor array substrate and manufacturing method thereof |
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2010
- 2010-11-26 KR KR1020100118705A patent/KR101775726B1/ko active Active
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- 2011-11-25 CN CN201110459926.3A patent/CN102566179B/zh active Active
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Patent Citations (2)
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JP2008287216A (ja) * | 2007-04-17 | 2008-11-27 | Epson Imaging Devices Corp | 液晶表示装置 |
CN101639583A (zh) * | 2008-08-01 | 2010-02-03 | 奇美电子股份有限公司 | 像素结构、彩色滤光基板及其相应的制造方法 |
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CN102566179A (zh) | 2012-07-11 |
KR20120057111A (ko) | 2012-06-05 |
CN102566179B (zh) | 2015-03-18 |
US20120190143A1 (en) | 2012-07-26 |
US8343787B2 (en) | 2013-01-01 |
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