KR20030058511A - 박막트랜지스터 액정표시장치의 제조방법 - Google Patents
박막트랜지스터 액정표시장치의 제조방법 Download PDFInfo
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- KR20030058511A KR20030058511A KR1020010088967A KR20010088967A KR20030058511A KR 20030058511 A KR20030058511 A KR 20030058511A KR 1020010088967 A KR1020010088967 A KR 1020010088967A KR 20010088967 A KR20010088967 A KR 20010088967A KR 20030058511 A KR20030058511 A KR 20030058511A
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- South Korea
- Prior art keywords
- mask
- tone
- layer
- source
- metal layer
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title abstract description 19
- 239000004973 liquid crystal related substance Substances 0.000 title abstract description 18
- 239000010409 thin film Substances 0.000 title abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 33
- 238000002161 passivation Methods 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 238000004380 ashing Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000005530 etching Methods 0.000 claims description 17
- 238000000151 deposition Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000010408 film Substances 0.000 abstract description 9
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 50
- 229920002120 photoresistant polymer Polymers 0.000 description 11
- 229910021417 amorphous silicon Inorganic materials 0.000 description 6
- 239000002210 silicon-based material Substances 0.000 description 6
- 239000011521 glass Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
Classifications
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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
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
-
- 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
- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin 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
- G02F1/136—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
-
- 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
- G02F1/13624—Active matrix addressed cells having more than one switching element per pixel
- G02F1/136245—Active matrix addressed cells having more than one switching element per pixel having complementary transistors
-
- 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
-
- 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
- G02F1/136277—Active matrix addressed cells formed on a semiconductor substrate, e.g. of silicon
- G02F1/136281—Active matrix addressed cells formed on a semiconductor substrate, e.g. of silicon having a transmissive semiconductor substrate
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Liquid Crystal (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (4)
- 절연 기판상에 제 1 마스크를 이용하여 게이트 전극을 형성하는 단계와;상기 게이트 전극을 포함한 전면에 게이트 절연막, 활성층, 채널층. 소오스/드레인 전극용 금속층을 차례로 증착하는 단계와;상기 활성층, 채널층, 소오스/드레인 전극용 금속층을 차례로 제 2 마스크를 이용하여 식각하고, 상기 소오스/드레인 전극용 금속층 표면이 선택적으로 노출되도록 제 2 마스크를 에싱하는 단계와;상기 에싱된 제 2 마스크를 이용하여 소오스/드레인 전극용 금속층과 채널층을 식각하는 단계와;상기 결과물 상부에 보호막을 형성하는 단계와;상기 보호막상에 선택적으로 풀-톤, 제로-톤, 하프-톤 영역을 갖는 제 3 마스크를 형성하는 단계와;상기 제로-톤 영역의 제 3 마스크로 이용하여 상기 보호층을 식각하는 단계와;상기 하프-톤 영역의 제 3 마스크를 에싱공정을 이용하여 제거하는 단계와;상기 풀-톤 제 3 마스크를 포함한 전면에 ITO 물질을 증착하고, 리프트-오프 레지스트 공정을 이용하여 상기 제 3 마스크를 제거하는 단계를 포함하는 것을 특징으로 하는 박막트랜지스터 액정표시장치의 제조방법.
- 제 1 항에 있어서,상기 제 3 마스크 에싱공정시 상기 할프-톤 마스크는 제로-톤 마스크가 되고, 상기 풀-톤 마스크는 하프-톤 마스크가 되는 것을 특징으로 하는 박막트랜지스터 액정표시장치의 제조방법.
- 제 1 항에 있어서,상기 풀-톤, 제로-톤, 하프-톤 영역을 갖는 제 3 마스크은 빛 노광을 이용하여 형성하는 것을 특징으로 하는 박막트랜지스터 액정표시장치의 제조방법.
- 제 1 항에 있어서,상기 풀-톤 영역과 하프-톤 영역은 리프트 오프에 따라 그 두께를 변경할 수 있는 것을 특징으로 하는 박막트랜지스터 액정표시장치의 제조방법.
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KR10-2001-0088967A KR100494703B1 (ko) | 2001-12-31 | 2001-12-31 | 박막트랜지스터 액정표시장치의 제조방법 |
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KR10-2001-0088967A KR100494703B1 (ko) | 2001-12-31 | 2001-12-31 | 박막트랜지스터 액정표시장치의 제조방법 |
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KR20030058511A true KR20030058511A (ko) | 2003-07-07 |
KR100494703B1 KR100494703B1 (ko) | 2005-06-13 |
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Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100507283B1 (ko) * | 2002-03-12 | 2005-08-09 | 비오이 하이디스 테크놀로지 주식회사 | 박막트랜지스터 액정표시장치의 제조방법 |
US7132688B2 (en) | 2003-11-04 | 2006-11-07 | Lg.Philips Lcd Co., Ltd. | Thin film transistor substrate using a horizontal electric field and fabricating method thereof |
KR100685803B1 (ko) * | 2004-12-14 | 2007-02-22 | 삼성에스디아이 주식회사 | 유기전계발광소자의 제조 방법 |
KR100822216B1 (ko) * | 2007-04-09 | 2008-04-16 | 삼성에스디아이 주식회사 | 박막 트랜지스터 기판, 이를 포함한 유기 발광 표시장치 및유기 발광 표시장치의 제조방법 |
KR100863909B1 (ko) * | 2007-04-06 | 2008-10-17 | 삼성에스디아이 주식회사 | 평판 디스플레이 장치 및 이를 제조하는 방법 |
KR101023276B1 (ko) * | 2003-12-17 | 2011-03-18 | 엘지디스플레이 주식회사 | 액정표시장치 및 그 제조 방법과 검사방법 |
KR101023715B1 (ko) * | 2003-12-29 | 2011-03-25 | 엘지디스플레이 주식회사 | 액정표시장치의 제조방법 |
KR101028940B1 (ko) * | 2003-12-22 | 2011-04-12 | 엘지디스플레이 주식회사 | 액정 표시 장치용 어레이 기판 및 그 제조 방법 |
KR101032603B1 (ko) * | 2004-06-23 | 2011-05-06 | 엘지디스플레이 주식회사 | 액정표시장치용 어레이기판 제조방법 |
KR101036708B1 (ko) * | 2003-12-11 | 2011-05-25 | 엘지디스플레이 주식회사 | 액정표시소자의 제조방법 |
KR101048699B1 (ko) * | 2003-12-31 | 2011-07-12 | 엘지디스플레이 주식회사 | 횡전계방식 액정표시소자의 제조방법 |
KR101085142B1 (ko) * | 2004-12-24 | 2011-11-21 | 엘지디스플레이 주식회사 | 수평 전계 박막 트랜지스터 기판 및 그 제조 방법 |
KR101086121B1 (ko) * | 2004-12-23 | 2011-11-25 | 엘지디스플레이 주식회사 | 수평전계방식 액정표시소자 및 그 제조방법 |
KR101100674B1 (ko) * | 2004-06-30 | 2012-01-03 | 엘지디스플레이 주식회사 | 씨오티 구조 액정표시장치용 어레이 기판 제조방법 |
KR101106556B1 (ko) * | 2004-11-26 | 2012-01-19 | 엘지디스플레이 주식회사 | 횡전계 액정표시장치용 어레이 기판 및 그 제조방법 |
KR101107711B1 (ko) * | 2005-04-19 | 2012-01-25 | 엘지디스플레이 주식회사 | 횡전계 방식의 액정표시장치의 제조방법 |
US8400600B2 (en) | 2004-12-24 | 2013-03-19 | Lg Display, Co., Ltd. | Liquid crystal display device and fabricating method thereof |
KR101465474B1 (ko) * | 2008-01-03 | 2014-11-27 | 삼성디스플레이 주식회사 | 하프톤마스크와, 이의 제조방법 |
US20150340513A1 (en) * | 2005-09-29 | 2015-11-26 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor Device and Manufacturing Method Thereof |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100372306B1 (ko) * | 1998-11-19 | 2003-08-25 | 삼성전자주식회사 | 박막트랜지스터의제조방법 |
KR100590753B1 (ko) * | 1999-02-27 | 2006-06-15 | 삼성전자주식회사 | 액정표시장치용박막트랜지스터기판및그제조방법 |
JP4034470B2 (ja) * | 1999-05-31 | 2008-01-16 | 株式会社アドバンスト・ディスプレイ | 液晶表示装置およびその製造方法 |
KR100590750B1 (ko) * | 1999-03-08 | 2006-06-15 | 삼성전자주식회사 | 액정표시장치용박막트랜지스터기판의제조방법 |
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2001
- 2001-12-31 KR KR10-2001-0088967A patent/KR100494703B1/ko active IP Right Grant
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100507283B1 (ko) * | 2002-03-12 | 2005-08-09 | 비오이 하이디스 테크놀로지 주식회사 | 박막트랜지스터 액정표시장치의 제조방법 |
US7446337B2 (en) | 2003-11-04 | 2008-11-04 | Lg Display Co., Ltd. | Thin film transistor substrate using a horizontal electric field |
US7132688B2 (en) | 2003-11-04 | 2006-11-07 | Lg.Philips Lcd Co., Ltd. | Thin film transistor substrate using a horizontal electric field and fabricating method thereof |
KR101036708B1 (ko) * | 2003-12-11 | 2011-05-25 | 엘지디스플레이 주식회사 | 액정표시소자의 제조방법 |
KR101023276B1 (ko) * | 2003-12-17 | 2011-03-18 | 엘지디스플레이 주식회사 | 액정표시장치 및 그 제조 방법과 검사방법 |
KR101028940B1 (ko) * | 2003-12-22 | 2011-04-12 | 엘지디스플레이 주식회사 | 액정 표시 장치용 어레이 기판 및 그 제조 방법 |
KR101023715B1 (ko) * | 2003-12-29 | 2011-03-25 | 엘지디스플레이 주식회사 | 액정표시장치의 제조방법 |
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