KR19990076546A - 박막 트랜지스터, 이 박막 트랜지스터의 제조방법 및 티에프티어레이 기판을 사용한 액정표시장치 - Google Patents
박막 트랜지스터, 이 박막 트랜지스터의 제조방법 및 티에프티어레이 기판을 사용한 액정표시장치 Download PDFInfo
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- KR19990076546A KR19990076546A KR1019980051373A KR19980051373A KR19990076546A KR 19990076546 A KR19990076546 A KR 19990076546A KR 1019980051373 A KR1019980051373 A KR 1019980051373A KR 19980051373 A KR19980051373 A KR 19980051373A KR 19990076546 A KR19990076546 A KR 19990076546A
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- 239000010409 thin film Substances 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title abstract description 21
- 239000004973 liquid crystal related substance Substances 0.000 title abstract description 18
- 239000010408 film Substances 0.000 claims abstract description 138
- 239000000758 substrate Substances 0.000 claims abstract description 57
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 47
- 239000012535 impurity Substances 0.000 claims abstract description 25
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 21
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 15
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- 238000000059 patterning Methods 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 34
- 239000000463 material Substances 0.000 abstract description 9
- 229910045601 alloy Inorganic materials 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 181
- 239000007789 gas Substances 0.000 description 56
- 230000000694 effects Effects 0.000 description 31
- 229910052782 aluminium Inorganic materials 0.000 description 27
- 238000004544 sputter deposition Methods 0.000 description 27
- 230000015572 biosynthetic process Effects 0.000 description 16
- 150000002500 ions Chemical class 0.000 description 15
- 239000004065 semiconductor Substances 0.000 description 15
- 239000007772 electrode material Substances 0.000 description 14
- 229910052581 Si3N4 Inorganic materials 0.000 description 13
- 239000011229 interlayer Substances 0.000 description 13
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 13
- 229910052757 nitrogen Inorganic materials 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 8
- 238000000137 annealing Methods 0.000 description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
- 238000005530 etching Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 229910021417 amorphous silicon Inorganic materials 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 150000004767 nitrides Chemical class 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- OJGMBLNIHDZDGS-UHFFFAOYSA-N N-Ethylaniline Chemical compound CCNC1=CC=CC=C1 OJGMBLNIHDZDGS-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910003437 indium oxide Inorganic materials 0.000 description 2
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- 238000009832 plasma treatment Methods 0.000 description 2
- 238000005546 reactive sputtering Methods 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 229910001887 tin oxide Inorganic materials 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 229910016909 AlxOy Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910004205 SiNX Inorganic materials 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000012769 display material Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- HDZGCSFEDULWCS-UHFFFAOYSA-N monomethylhydrazine Chemical compound CNN HDZGCSFEDULWCS-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- 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
- H01L29/40—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
-
- 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
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
- H01L29/41725—Source or drain electrodes for field effect devices
- H01L29/41733—Source or drain electrodes for field effect devices for thin film transistors with insulated gate
-
- 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
- H01L29/40—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
-
- 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
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66742—Thin film unipolar transistors
- H01L29/6675—Amorphous silicon or polysilicon transistors
- H01L29/66765—Lateral single gate single channel transistors with inverted structure, i.e. the channel layer is formed after the gate
-
- 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
- G02F1/136295—Materials; Compositions; Manufacture processes
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
제 1 층 | 제 2 층 | |
막형성 압력 (Pa) | 0.27 | 0.2∼0.68 |
유량(sccm) | 40 | Ar : 20∼80N2: 10∼40 |
막형성 전력 (KW) | 10 | 1∼10 |
막형성 온도 (℃) | 175 | 175 |
막형성 막두께 (Å) | 2000∼3000 | 100∼500 |
Claims (3)
- (1) 투명 절연성 기판 상에, 순수한 Al 및 Al 합금 중 어느 하나를 사용하여, 게이트, 소스 및 드레인 중 적어도 하나인 제 1 전극을 형성하는 공정과,(2) N, O, Si 및 C 중 적어도 하나로 이루어진 불순물을 상기 제 1 전극의 상층에 첨가하여 상기 불순물을 첨가한 제 2 층과 상기 불순물을 첨가하지 않은 제 1 층을 형성하는 공정과,(3) 상기 제 1 전극 및 상기 기판을 덮어 절연막을 막형성하는 공정과,(4) 이 절연막에 패터닝을 수행하여 콘택홀을 형성하는 공정과,(5) 상기 절연막 상에 투명막 전극으로 이루어진 제 2 전극을 형성하고 이 제 2 전극과 제 1 전극을 상기 콘택홀을 통해 전기적으로 접속하는 공정을 적어도 포함하는 것을 특징으로 하는 박막 트랜지스터의 제조방법.
- 투명 절연성 기판 상에 형성된 제 1 전극인 게이트, 소스 및 드레인과, 이 제 1 전극 및 상기 투명 절연성 기판을 덮어 형성된 절연막과, 이 절연막 상에 형성된 제 2 전극을 적어도 포함하고, 상기 제 1 전극이 순수한 Al 및 Al 합금 중 어느 하나로 이루어진 하층의 제 1 층과, 순수한 Al 및 Al 합금 중 어느 하나에 N, O, Si 및 C 중 적어도 하나로 이루어진 불순물을 첨가하여 이루어진 제 2 층으로 이루어지며, 상기 제 2 전극이 투명막 전극으로 이루어지고, 상기 제 2 전극과 상기 제 1 전극의 제 2 층이 전기적으로 접속되어 이루어진 것을 특징으로 하는 박막 트랜지스터.
- 투명 절연성 기판 상에 형성된 제 1 전극인 게이트, 소스 및 드레인과, 이 제 1 전극 및 상기 투명 절연성 기판을 덮어 형성된 절연막과, 이 절연막 상에 형성된 제 2 전극을 적어도 포함하고, 상기 제 1 전극이 순수한 Al 및 Al 합금 중 어느 하나로 이루어진 하층의 제 1 층과, 순수한 Al 및 Al 합금 중 어느 하나에 N, O, Si 및 C 중 적어도 하나로 이루어진 불순물을 첨가하여 이루어진 제 2 층으로 이루어지며, 상기 제 2 전극이 투명막 전극으로 이루어지고, 상기 제 2 전극과 상기 제 1 전극의 제 2 층이 전기적으로 접속되어 이루어진 박막 트랜지스터가 적어도 포함되는 TFT 어레이 기판을 적어도 구비한 것을 특징으로 하는 액정표시장치.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP86292 | 1998-03-31 | ||
JP086292 | 1998-03-31 | ||
JP08629298A JP4663829B2 (ja) | 1998-03-31 | 1998-03-31 | 薄膜トランジスタおよび該薄膜トランジスタを用いた液晶表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990076546A true KR19990076546A (ko) | 1999-10-15 |
KR100322377B1 KR100322377B1 (ko) | 2002-10-25 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980051373A KR100322377B1 (ko) | 1998-03-31 | 1998-11-27 | 박막트랜지스터,이박막트랜지스터의제조방법및티에프티어레이기판을사용한액정표시장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6252247B1 (ko) |
JP (1) | JP4663829B2 (ko) |
KR (1) | KR100322377B1 (ko) |
TW (1) | TW495630B (ko) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100473225B1 (ko) * | 2001-12-31 | 2005-03-08 | 엘지.필립스 엘시디 주식회사 | 알루미늄 금속층과 투명도전성 금속층의 접촉구조와 그를 위한 제조방법 |
KR100740937B1 (ko) * | 2001-05-23 | 2007-07-19 | 삼성전자주식회사 | 박막 트랜지스터 기판 및 그 제조 방법 |
KR100783696B1 (ko) * | 2000-12-27 | 2007-12-07 | 삼성전자주식회사 | 액정 표시 장치용 박막 트랜지스터 기판 및 그 제조 방법 |
KR100786835B1 (ko) * | 2002-01-21 | 2007-12-20 | 삼성에스디아이 주식회사 | 액정 표시 소자와 이의 제조 방법 |
KR101156330B1 (ko) * | 2007-02-13 | 2012-06-13 | 미쓰비시덴키 가부시키가이샤 | 표시 장치 및 그 제조 방법 |
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KR100303446B1 (ko) * | 1998-10-29 | 2002-10-04 | 삼성전자 주식회사 | 액정표시장치용박막트랜지스터기판의제조방법 |
US6537427B1 (en) * | 1999-02-04 | 2003-03-25 | Micron Technology, Inc. | Deposition of smooth aluminum films |
KR100333273B1 (ko) * | 1999-08-02 | 2002-04-24 | 구본준, 론 위라하디락사 | 박막트랜지스터형 액정표시장치의 어레이기판과 그 제조방법 |
JP4190118B2 (ja) * | 1999-12-17 | 2008-12-03 | 三菱電機株式会社 | 半導体装置、液晶表示装置および半導体装置の製造方法 |
TW451447B (en) * | 1999-12-31 | 2001-08-21 | Samsung Electronics Co Ltd | Contact structures of wirings and methods for manufacturing the same, and thin film transistor array panels including the same and methods for manufacturing the same |
US6885064B2 (en) * | 2000-01-07 | 2005-04-26 | Samsung Electronics Co., Ltd. | Contact structure of wiring and a method for manufacturing the same |
KR100344777B1 (ko) * | 2000-02-28 | 2002-07-20 | 엘지.필립스 엘시디 주식회사 | 박막트랜지스터를 포함하는 소자 제조방법 |
JP2001281698A (ja) * | 2000-03-30 | 2001-10-10 | Advanced Display Inc | 電気光学素子の製法 |
JP2001343659A (ja) * | 2000-06-02 | 2001-12-14 | Casio Comput Co Ltd | アクティブマトリクス型液晶表示パネルおよびその製造方法 |
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KR100783696B1 (ko) * | 2000-12-27 | 2007-12-07 | 삼성전자주식회사 | 액정 표시 장치용 박막 트랜지스터 기판 및 그 제조 방법 |
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KR100786835B1 (ko) * | 2002-01-21 | 2007-12-20 | 삼성에스디아이 주식회사 | 액정 표시 소자와 이의 제조 방법 |
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Also Published As
Publication number | Publication date |
---|---|
TW495630B (en) | 2002-07-21 |
US6252247B1 (en) | 2001-06-26 |
JP4663829B2 (ja) | 2011-04-06 |
KR100322377B1 (ko) | 2002-10-25 |
JPH11284195A (ja) | 1999-10-15 |
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