KR101013634B1 - 레이저 패터닝에 의한 액정표시소자 제조방법 - Google Patents
레이저 패터닝에 의한 액정표시소자 제조방법 Download PDFInfo
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- KR101013634B1 KR101013634B1 KR1020030099328A KR20030099328A KR101013634B1 KR 101013634 B1 KR101013634 B1 KR 101013634B1 KR 1020030099328 A KR1020030099328 A KR 1020030099328A KR 20030099328 A KR20030099328 A KR 20030099328A KR 101013634 B1 KR101013634 B1 KR 101013634B1
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- 238000000034 method Methods 0.000 title claims abstract description 98
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 46
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 238000000059 patterning Methods 0.000 title claims abstract description 27
- 238000000206 photolithography Methods 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims description 48
- 229920002120 photoresistant polymer Polymers 0.000 claims description 42
- 239000004065 semiconductor Substances 0.000 claims description 24
- 239000012535 impurity Substances 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 229910052779 Neodymium Inorganic materials 0.000 abstract description 3
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 124
- 239000010408 film Substances 0.000 description 31
- 239000010409 thin film Substances 0.000 description 22
- 238000005530 etching Methods 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 9
- 229920005591 polysilicon Polymers 0.000 description 9
- 239000011159 matrix material Substances 0.000 description 6
- 239000011241 protective layer Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000002161 passivation Methods 0.000 description 3
- 238000004528 spin coating Methods 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 239000012780 transparent material Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- NJWNEWQMQCGRDO-UHFFFAOYSA-N indium zinc Chemical compound [Zn].[In] NJWNEWQMQCGRDO-UHFFFAOYSA-N 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 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
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 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
- 238000009751 slip forming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910019901 yttrium aluminum garnet Inorganic materials 0.000 description 1
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Classifications
-
- 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
-
- 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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Power Engineering (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (9)
- 기판 상에 게이트 전극을 형성하는 단계;상기 게이트 전극 상에 제 1 절연층을 형성하는 단계;상기 제 1 절연층 상에 반도체층 및 제 2 절연층을 연속하여 형성하는 단계;상기 제 2 절연층상에 감광막을 도포하고 사진 식각 공정을 적용하여 게이트 전극 상부에 에치 스톱퍼를 형성하는 단계;상기 에치 스톱퍼를 구비하는 반도체층 상에 고농도 불순물층과 도전층을 연속하여 형성하는 단계;상기 반도체층을 패터닝하여 액티브층을 형성하는 단계;상기 게이트 전극 상의 도전층 및 고농도 불순물층을 제거하여 소스 및 드레인 전극을 형성하는 단계;상기 소스 및 드레인 전극 상에 제 3 절연층을 형성하는 단계;상기 제 3 절연층을 패터닝하여 상기 드레인 전극을 노출시키는 콘택홀을 형성하는 단계;상기 콘택홀을 포함한 상기 제3 절연층 상에 투명전극을 형성하는 단계;상기 투명전극이 형성된 기판을 수직을 세운 후, 화소전극 패턴을 구비한 마스크를 적용하여 상기 투명전극 상에 레이저 조사함으로써 상기 콘택홀을 통해 상기 드레인전극과 연결되는 화소전극을 형성하는 단계를 포함하는 것을 특징으로 하는 액정표시소자 제조방법.
- 제 1 항에 있어서, 상기 화소전극 패턴을 구비하는 마스크는 화소전극 패턴이 레이저 차단 영역으로 구성되는 것을 특징으로 하는 액정표시소자 제조방법.
- 삭제
- 제 1 항에 있어서, 상기 레이저 조사하는 단계에서 사용되는 레이저는 Nd: YAG레이저인 것을 특징으로 하는 액정표시소자 제조방법.
- 제 1 항에 있어서, 상기 레이저 조사 단계에서 채널 영역으로 조사되는 레이저는 채널층 상부에 형성되는 에치 스톱퍼에 의해 차단되는 것을 특징으로 하는 액정표시소자 제조방법.
- 기판 상에 결정질 액티브층을 형성하는 단계;상기 액티브층 상에 제 1 절연층을 형성하는 단계;상기 제 1 절연층 상에 게이트 전극을 형성하는 단계;상기 게이트 전극 상에 제 2 절연층을 형성하는 단계;상기 제 2 절연층 상에 소스 및 드레인 전극을 형성하는 단계;상기 소스 및 드레인 전극 상에 제 3 절연층을 형성하는 단계;상기 제3 절연층을 패터닝하여 상기 드레인 전극을 노출시키는 콘택홀을 형성하는 단계;상기 콘택홀을 포함한 제3 절연층 상에 투명전극을 형성하는 단계; 및상기 투명전극이 형성된 기판을 수직을 세운 후, 화소전극 패턴을 구비한 마스크를 적용하여 상기 투명전극 상에 레이저 조사함으로써 화소전극을 형성하는 단계를 포함하는 것을 특징으로 하는 액정표시소자 제조방법.
- 제 6 항에 있어서, 상기 화소전극을 형성하는 단계에서 상기 액티브층을 구성하는 채널층으로 조사되는 레이저는 상기 게이트 전극에 의해 차단되는 것을 특징으로 하는 액정표시소자 제조방법.
- 삭제
- 제 6 항에 있어서, 상기 화소전극 패턴을 구비하는 마스크는 화소전극 패턴이 레이저 차단 영역으로 구성되는 것을 특징으로 하는 액정표시소자 제조방법.
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KR1020030099328A KR101013634B1 (ko) | 2003-12-29 | 2003-12-29 | 레이저 패터닝에 의한 액정표시소자 제조방법 |
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KR1020030099328A KR101013634B1 (ko) | 2003-12-29 | 2003-12-29 | 레이저 패터닝에 의한 액정표시소자 제조방법 |
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KR20050068166A KR20050068166A (ko) | 2005-07-05 |
KR101013634B1 true KR101013634B1 (ko) | 2011-02-10 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08179307A (ja) * | 1994-12-22 | 1996-07-12 | Sharp Corp | 画像表示パネルの製造方法 |
KR19990060004A (ko) * | 1997-12-31 | 1999-07-26 | 윤종용 | 기판의 정렬 방법 |
KR20010083687A (ko) * | 2000-02-18 | 2001-09-01 | 구본준, 론 위라하디락사 | 액정표시장치용 어레이기판 제조방법 |
KR20030094528A (ko) * | 2002-06-04 | 2003-12-18 | 엘지.필립스 엘시디 주식회사 | 저온폴리실리콘 액정표시장치용 어레이 기판과 그 제조방법 |
-
2003
- 2003-12-29 KR KR1020030099328A patent/KR101013634B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08179307A (ja) * | 1994-12-22 | 1996-07-12 | Sharp Corp | 画像表示パネルの製造方法 |
KR19990060004A (ko) * | 1997-12-31 | 1999-07-26 | 윤종용 | 기판의 정렬 방법 |
KR20010083687A (ko) * | 2000-02-18 | 2001-09-01 | 구본준, 론 위라하디락사 | 액정표시장치용 어레이기판 제조방법 |
KR20030094528A (ko) * | 2002-06-04 | 2003-12-18 | 엘지.필립스 엘시디 주식회사 | 저온폴리실리콘 액정표시장치용 어레이 기판과 그 제조방법 |
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