KR100692672B1 - 액정 표시 소자의 제조방법 - Google Patents
액정 표시 소자의 제조방법Info
- Publication number
- KR100692672B1 KR100692672B1 KR1019980034234A KR19980034234A KR100692672B1 KR 100692672 B1 KR100692672 B1 KR 100692672B1 KR 1019980034234 A KR1019980034234 A KR 1019980034234A KR 19980034234 A KR19980034234 A KR 19980034234A KR 100692672 B1 KR100692672 B1 KR 100692672B1
- Authority
- KR
- South Korea
- Prior art keywords
- forming
- cell array
- insulating film
- peripheral circuit
- substrate
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims abstract description 31
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims description 11
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 11
- 229920005591 polysilicon Polymers 0.000 claims description 11
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 150000002500 ions Chemical class 0.000 claims description 6
- 238000005530 etching Methods 0.000 claims description 3
- 238000005224 laser annealing Methods 0.000 claims description 3
- 229910004205 SiNX Inorganic materials 0.000 claims description 2
- -1 SiONx Inorganic materials 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910003070 TaOx Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 2
- 238000000059 patterning Methods 0.000 claims 2
- 238000002425 crystallisation Methods 0.000 claims 1
- 230000008025 crystallization Effects 0.000 claims 1
- 238000000151 deposition Methods 0.000 claims 1
- 239000010408 film Substances 0.000 description 39
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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
- G02F1/1368—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
- 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 potential barriers; including integrated passive circuit elements having potential barriers
- 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 potential barriers; including integrated passive circuit elements having potential barriers 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 potential barriers; including integrated passive circuit elements having potential barriers 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
- H01L27/1251—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 potential barriers; including integrated passive circuit elements having potential barriers 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 comprising TFTs having a different architecture, e.g. top- and bottom gate TFTs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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 potential barriers; including integrated passive circuit elements having potential barriers
- 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 potential barriers; including integrated passive circuit elements having potential barriers 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 potential barriers; including integrated passive circuit elements having potential barriers 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 potential barriers; including integrated passive circuit elements having potential barriers 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
-
- 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
- H01L29/78696—Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the structure of the channel, e.g. multichannel, transverse or longitudinal shape, length or width, doping structure, or the overlap or alignment between the channel and the gate, the source or the drain, or the contacting structure of the channel
-
- 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
- G02F2202/00—Materials and properties
- G02F2202/10—Materials and properties semiconductor
- G02F2202/104—Materials and properties semiconductor poly-Si
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Nonlinear Science (AREA)
- Liquid Crystal (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Ceramic Engineering (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (7)
- N 채널 및 P 채널 TFT로 이루어진 CMOS TFT 부가 구비된 주변회로와 N 채널 TFT가 구비된 셀 어레이를 동일 기판 상에 형성하는 액정 표시 소자의 제조방법으로서,상기 주변회로와 셀 어레이 영역 각각 정의된 절연기판을 제공하는 단계;상기 셀 어레이 영역의 기판 상에 제 1 게이트를 형성하는 단계;상기 기판 전면에 제 1 절연막을 형성하는 단계;상기 제 1 게이트에 대응하는 제 1 절연막 상에 제 1 액티브층을 형성함과 동시에, 상기 주변회로 영역의 제 1 절연막 상에 제 2 및 제 3 액티브층을 형성하는 단계;상기 제 1 액티브층 상에 에치스톱퍼를 형성함과 동시에 상기 제 2 및 제 3 액티브층 상에 게이트 절연막이 개재된 각각의 제 2 및 제 3 게이트를 형성하는 단계;상기 제 1 및 제 2 액티브층으로 N+ 불순물 이온을 주입하는 단계;상기 제 3 액티브층으로 P+ 불순물이온을 주입하는 단계;상기 기판 전면에 제 2 절연막을 형성하는 단계;상기 제 2 절연막을 식각하여 상기 셀 어레이 영역을 노출시킴과 동시에, 상기 주변회로 영역에 제 2 및 제 3 액티브층의 양 측을 각각 노출시키는 콘택홀을 형성하는 단계;상기 셀 어레이 영역에 상기 제 1 액티브층과 콘택하는 제 1 소오스 및 드레인을 형성하여 바텀형의 상기 N 채널 TFT를 형성함과 동시에, 상기 주변회로 영역에 상기 콘택홀을 통하여 상기 제 2 및 제 3 액티브층과 각각 콘택하는 제 2 소오스 및 드레인을 형성하여, 코플라나형의 N채널 및 P채널 TFT를 형성하는 단계;상기 기판 전면에 제 3 절연막을 형성하는 단계;상기 제 3 절연막을 식각하여 상기 셀 어레이 영역의 소오스를 노출시키는 콘택홀을 형성하는 단계; 및,상기 셀 어레이 영역에 상기 콘택홀을 통하여 상기 소오스와 콘택하는 화소전극을 형성하는 단계를 포함하는 것을 특징으로 하는 액정 표시 소자의 제조방법.
- 제 1 항에 있어서, 상기 제 1 내지 제 3 액티브층을 형성하는 단계는상기 제 1 절연막 상에 비정질 실리콘막을 형성하는 단계;상기 비정질 실리콘막을 결정화시켜 폴리실리콘막을 형성하는 단계; 및,상기 폴리실리콘막을 패터닝하는 단계를 포함하는 것을 특징으로 하는 액정 표시 소자의 제조방법.
- 제 2 항에 있어서, 상기 결정화는 엑시머 레이저 어닐링으로 진행하는 것을 특징으로 하는 액정 표시 소자의 제조방법.
- 제 1 항에 있어서, 에치스톱퍼 및 제 2 및 제 3 게이트를 형성하는 단계는상기 제 1 내지 제 3 액티브층이 형성된 상기 기판 전면에 에치스톱퍼용 절연막과 게이트용 금속막을 증착하는 단계; 및상기 금속막 및 절연막을 패터닝하는 단계를 포함하는 것을 특징으로 하는 액정 표시 소자의 제조방법.
- 제 4 항에 있어서, 상기 에치스톱퍼용 절연막은 50 내지 1,000nm의 두께로 형성하는 것을 특징으로 하는 액정 표시 소자의 제조방법.
- 제 1 항에 있어서, 제 3 절연막은 SiNx, SiOx, SiONx, TaOx막으로 이루어진 그룹으로부터 선택되는 하나의 물질로 형성하는 것을 특징으로 하는 액정 표시 소자의 제조방법.
- 제 1 항에 있어서, 상기 제 3 절연막은 레진으로 형성하는 것을 특징으로 하는 액정 표시 소자의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980034234A KR100692672B1 (ko) | 1998-08-24 | 1998-08-24 | 액정 표시 소자의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980034234A KR100692672B1 (ko) | 1998-08-24 | 1998-08-24 | 액정 표시 소자의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000014690A KR20000014690A (ko) | 2000-03-15 |
KR100692672B1 true KR100692672B1 (ko) | 2008-11-19 |
Family
ID=19548050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980034234A KR100692672B1 (ko) | 1998-08-24 | 1998-08-24 | 액정 표시 소자의 제조방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100692672B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100893457B1 (ko) * | 2002-09-12 | 2009-04-17 | 주식회사 포스코 | 고로의 출선구 개공 작업을 위한 차단장치 |
KR101688074B1 (ko) | 2010-01-27 | 2016-12-21 | 삼성디스플레이 주식회사 | 표시기판 및 이의 제조방법 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05299653A (ja) * | 1991-04-05 | 1993-11-12 | Fuji Xerox Co Ltd | 半導体装置及びその製造方法 |
JPH0784285A (ja) * | 1993-09-14 | 1995-03-31 | Toshiba Corp | 液晶表示装置 |
KR950033613A (ko) * | 1994-05-10 | 1995-12-26 | 이헌조 | 티에프티-엘씨디(tft-lcd) 및 그 제조방법 |
-
1998
- 1998-08-24 KR KR1019980034234A patent/KR100692672B1/ko not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05299653A (ja) * | 1991-04-05 | 1993-11-12 | Fuji Xerox Co Ltd | 半導体装置及びその製造方法 |
JPH0784285A (ja) * | 1993-09-14 | 1995-03-31 | Toshiba Corp | 液晶表示装置 |
KR950033613A (ko) * | 1994-05-10 | 1995-12-26 | 이헌조 | 티에프티-엘씨디(tft-lcd) 및 그 제조방법 |
Also Published As
Publication number | Publication date |
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KR20000014690A (ko) | 2000-03-15 |
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