KR100905662B1 - 액정표시장치 제조 방법 및 배선 구조 - Google Patents
액정표시장치 제조 방법 및 배선 구조 Download PDFInfo
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- KR100905662B1 KR100905662B1 KR1020030042074A KR20030042074A KR100905662B1 KR 100905662 B1 KR100905662 B1 KR 100905662B1 KR 1020030042074 A KR1020030042074 A KR 1020030042074A KR 20030042074 A KR20030042074 A KR 20030042074A KR 100905662 B1 KR100905662 B1 KR 100905662B1
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 112
- 229910052751 metal Inorganic materials 0.000 claims abstract description 111
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 88
- 238000000151 deposition Methods 0.000 claims abstract description 43
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 39
- 239000010408 film Substances 0.000 claims abstract description 34
- 239000000758 substrate Substances 0.000 claims abstract description 32
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 22
- 239000004065 semiconductor Substances 0.000 claims abstract description 22
- 239000010409 thin film Substances 0.000 claims abstract description 21
- 238000005530 etching Methods 0.000 claims abstract description 18
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 12
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 5
- 239000010949 copper Substances 0.000 claims description 81
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 33
- 229910052802 copper Inorganic materials 0.000 claims description 33
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 abstract description 10
- 229910045601 alloy Inorganic materials 0.000 abstract description 8
- 239000000956 alloy Substances 0.000 abstract description 8
- 229910000881 Cu alloy Inorganic materials 0.000 abstract description 5
- 238000002161 passivation Methods 0.000 abstract description 4
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 114
- 239000011651 chromium Substances 0.000 description 19
- 230000008021 deposition Effects 0.000 description 16
- 229910052750 molybdenum Inorganic materials 0.000 description 14
- 229910052804 chromium Inorganic materials 0.000 description 11
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 10
- 239000011733 molybdenum Substances 0.000 description 10
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 5
- 229910018565 CuAl Inorganic materials 0.000 description 3
- 238000005275 alloying Methods 0.000 description 3
- 238000005137 deposition process Methods 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
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- 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
- H01L29/78651—Silicon transistors
- H01L29/7866—Non-monocrystalline silicon transistors
- H01L29/78663—Amorphous silicon transistors
- H01L29/78669—Amorphous silicon transistors with inverted-type structure, e.g. with bottom gate
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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
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- 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
- G02F1/136286—Wiring, e.g. gate line, drain line
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- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/45—Ohmic electrodes
- H01L29/456—Ohmic electrodes on silicon
- H01L29/458—Ohmic electrodes on silicon for thin film silicon, e.g. source or drain electrode
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- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/4908—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET for thin film semiconductor, e.g. gate of TFT
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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
- G02F1/136286—Wiring, e.g. gate line, drain line
- G02F1/13629—Multilayer wirings
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- G—PHYSICS
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- 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
- G02F1/136286—Wiring, e.g. gate line, drain line
- G02F1/136295—Materials; Compositions; Manufacture processes
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- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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
Abstract
Description
Claims (12)
- 기판상에 제1 알루미늄 합금층 및 제1 구리 금속층을 연속적으로 형성하는 단계;상기 제1 구리 금속층 상에 포토레지스트 패턴을 형성하고 상기 제1 구리 금속층 및 상기 제1 구리 금속층 하부의 제1 알루미늄 합금층을 식각하여 게이트 라인을 형성하는 단계;상기 기판상에 게이트 절연막을 증착하고, 상기 게이트 절연막 상에 아몰퍼스 실리콘층 및 불순물이 도핑된 아몰퍼스 실리콘층을 증착 및 식각하여 반도체층을 형성하는 단계;제2 알루미늄 합금층 및 제2 구리 금속층을 상기 기판 상에 연속적으로 형성 및 식각하여 데이터 라인, 소오스 전극 및 드레인 전극을 형성하는 단계;상기 기판에 포함된 상기 데이터 라인, 상기 소오스 전극 및 상기 드레인 전극을 포함하는 상기 기판상에 보호막을 형성 및 상기 보호막에 콘택홀 및 패드 오픈을 형성하는 단계; 및상기 콘택홀 및 상기 패드 오픈을 갖는 보호막을 포함하는 상기 기판 상에 투명한 도전성 박막 필름을 증착하는 단계를 포함하고,상기 제1 구리 금속층과 상기 제1 알루미늄 합금층 사이 및 상기 제2 구리 금속층과 상기 제2 알루미늄 합금층 사이에 Al2O3층이 형성되며,상기 제1 구리 금속층은 상기 제1 알루미늄 합금층보다 두껍게 형성되고, 상기 제2 구리 금속층은 상기 제2 알루미늄 합금층보다 두껍게 형성된 것을 특징으로 하는 액정표시장치 제조 방법.
- 제1항에 있어서, 상기 제1 및 제2 알루미늄 합금층들은 알루미늄, 알루미늄을 포함하는 알루미늄 합금 및 도전성 금속 중 하나 또는 둘 이상을 포함하는 것을 특징으로 하는 액정표시장치 제조 방법.
- 제1항에 있어서, 제1 알루미늄 합금층 및 제1 구리 금속층, 상기 제2 알루미늄 합금층 및 제2 구리 금속층은 동일 챔버 내에서 연속적으로 증착되는 것을 특징으로 하는 액정표시장치 제조 방법.
- 제1항에 있어서, 제1 알루미늄 합금층 및 제1 구리 금속층, 상기 제2 알루미늄 합금층 및 제2 구리 금속층은 상기 제1 또는 제2 알루미늄 합금층을 증착하고 상기 제1 또는 제2 알루미늄 합금층을 공기중에 노출한 후 상기 제1 또는 제2 구리 금속층을 증착하는 것을 특징으로 하는 액정표시장치 제조 방법.
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- 제1 알루미늄 합금층 및 제1 구리 금속층을 포함하는 제1 막구조로 형성된 게이트 라인 및 상기 게이트 라인으로부터 돌출된 박막 트랜지스터의 게이트 전극;상기 게이트 라인 및 상기 게이트 전극을 덮는 게이트 절연막;상기 게이트 전극에 대응하는 상기 게이트 절연막 상에 형성된 반도체층;제2 알루미늄 합금층 및 제2 구리 금속층을 포함하는 제2 막구조로 형성되며 상기 반도체층에 접속되는 소오스 전극;상기 제2 막 구조로 형성되며, 상기 소오스 전극을 돌출시키는 데이터 라인; 및상기 제2 막구조로 형성되며 상기 반도체층에 접속된 드레인 전극을 포함하고,상기 제1 구리 금속층과 상기 제1 알루미늄 합금층 사이 및 상기 제2 구리 금속층과 상기 제2 알루미늄 합금층 사이에 Al2O3이 형성되며,상기 제1 구리 금속층은 상기 제1 알루미늄 합금층보다 두껍게 형성되고, 상기 제2 구리 금속층은 상기 제2 알루미늄 합금층보다 두껍게 형성된 것을 특징으로 하는 액정표시장치의 배선 구조.
- 제10항에 있어서, 상기 제1 및 제2 알루미늄 합금층들은 알루미늄, 알루미늄을 포함하는 알루미늄 합금 및 도전성 금속 중 하나 또는 둘 이상을 포함하는 것을 특징으로 하는 액정표시장치의 배선 구조.
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US10/870,212 US7177003B2 (en) | 2003-06-26 | 2004-06-17 | LCD with gate and data lines formed of copper and an aluminum under-layer |
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KR100905662B1 (ko) * | 2003-06-26 | 2009-06-30 | 엘지디스플레이 주식회사 | 액정표시장치 제조 방법 및 배선 구조 |
KR101499237B1 (ko) * | 2007-12-24 | 2015-03-06 | 삼성디스플레이 주식회사 | 표시판 및 그 제조 방법 |
CN101911269B (zh) * | 2008-11-18 | 2013-05-01 | 松下电器产业株式会社 | 柔性半导体装置及其制造方法 |
US8270178B2 (en) * | 2010-03-22 | 2012-09-18 | Au Optronics Corporation | Active device array substrate |
EP2426720A1 (en) * | 2010-09-03 | 2012-03-07 | Applied Materials, Inc. | Staggered thin film transistor and method of forming the same |
KR102094841B1 (ko) | 2013-05-16 | 2020-03-31 | 삼성디스플레이 주식회사 | 표시 장치 및 이의 제조 방법 |
CN107946322A (zh) * | 2017-12-15 | 2018-04-20 | 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 |
CN113760050B (zh) * | 2019-10-16 | 2024-01-02 | Oppo广东移动通信有限公司 | 电子设备的屏幕组件及电子设备 |
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KR20000005043A (ko) * | 1996-03-27 | 2000-01-25 | 할프레드 엠. 호퍼 | 성능이 개선된 매트릭스의 제조방법 및 개량된 박막 트랜지스터가 구비된 능동 매트리스 표시장치 |
KR20010095037A (ko) * | 2000-03-30 | 2001-11-03 | 히로 산쥬 | 전기광학소자의 제조방법 |
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JPH10133216A (ja) * | 1996-11-01 | 1998-05-22 | Hitachi Ltd | アクティブマトリクス型液晶表示装置 |
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KR100905662B1 (ko) * | 2003-06-26 | 2009-06-30 | 엘지디스플레이 주식회사 | 액정표시장치 제조 방법 및 배선 구조 |
KR100971950B1 (ko) * | 2003-06-30 | 2010-07-23 | 엘지디스플레이 주식회사 | 액정표시장치용 어레이기판과 제조방법 |
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KR20000005043A (ko) * | 1996-03-27 | 2000-01-25 | 할프레드 엠. 호퍼 | 성능이 개선된 매트릭스의 제조방법 및 개량된 박막 트랜지스터가 구비된 능동 매트리스 표시장치 |
JPH10301150A (ja) * | 1997-04-25 | 1998-11-13 | Oobayashi Seiko Kk | 液晶表示装置と製造方法. |
KR20010095037A (ko) * | 2000-03-30 | 2001-11-03 | 히로 산쥬 | 전기광학소자의 제조방법 |
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KR20050001780A (ko) | 2005-01-07 |
US7177003B2 (en) | 2007-02-13 |
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