KR20000039662A - 박막트랜지스터 액정표시소자의 제조방법 - Google Patents
박막트랜지스터 액정표시소자의 제조방법 Download PDFInfo
- Publication number
- KR20000039662A KR20000039662A KR1019980055063A KR19980055063A KR20000039662A KR 20000039662 A KR20000039662 A KR 20000039662A KR 1019980055063 A KR1019980055063 A KR 1019980055063A KR 19980055063 A KR19980055063 A KR 19980055063A KR 20000039662 A KR20000039662 A KR 20000039662A
- Authority
- KR
- South Korea
- Prior art keywords
- film
- amorphous silicon
- drain
- gate
- mask
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 8
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 238000001039 wet etching Methods 0.000 claims abstract description 12
- 239000010408 film Substances 0.000 claims description 78
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 21
- 229910004205 SiNX Inorganic materials 0.000 claims description 17
- 238000001312 dry etching Methods 0.000 claims description 6
- 238000002161 passivation Methods 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 6
- 229910052710 silicon Inorganic materials 0.000 abstract 6
- 239000010703 silicon Substances 0.000 abstract 6
- 238000000206 photolithography Methods 0.000 description 5
- 238000005530 etching Methods 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 1
- 238000012421 spiking Methods 0.000 description 1
- 230000009466 transformation Effects 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
-
- 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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13458—Terminal pads
-
- 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
- H01L27/1259—Multistep manufacturing methods
- H01L27/1288—Multistep manufacturing methods employing particular masking sequences or specially adapted masks, e.g. half-tone mask
-
- 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
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Nonlinear Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (6)
- 박막 트랜지스터의 액정 표시 소자의 제조방법에 있어서,상부에 게이트가 형성된 절연기판 상에 게이트 절연막 및 비정질 실리콘막을 순차적으로 형성하는 단계;상기 게이트 상부의 상기 비정질 실리콘막 상에 에치스톱퍼를 형성하는 단계;상기 에치스톱퍼가 형성된 기판 전면에 도핑된 비정질 실리콘막을 형성하는 단계;상기 게이트 양 측의 도핑된 비정질 실리콘막 상에 걸쳐서 소오스 및 드레인을 형성하는 단계; 및,상기 소오스 및 드레인을 마스크로하여 상기 도핑된 비정질 실리콘막, 비정질 실리콘막, 및 게이트 절연막을 습식식각하여 오믹층, 액티브층 및 게이트 절연막을 형성하는 단계를 포함하는 것을 특징으로 하는 박막 트랜지스터 액정 표시 소자의 제조방법.
- 제 1 항에 있어서, 상기 게이트 절연막은 제 1 SiNx막으로 형성하는 것을 특징으로 하는 박막 트랜지스터 액정 표시 소자의 제조방법.
- 제 2 항에 있어서, 상기 기판 전면에 패시배이션용 제 2 SiNx막을 형성하는 단계; 및,상기 제 2 및 제 1 SiNx막을 건식식각하여 패드오픈공정을 진행하는 단계를 더 포함하는 것을 특징으로 하는 박막 트랜지스터 액정 표시 소자의 제조방법.
- 제 1 항에 있어서, 상기 게이트는 상기 절연기판 상에 Al-Nd막을 형성하는 습식식각하여 형성하는 것을 특징으로 하는 박막 트랜지스터 액정 표시 소자의 제조방법.
- 제 1 항에 있어서, 상기 소오스 및 드레인은 Al-Nd막으로 형성하는 것을 특징으로 하는 박막 트랜지스터 액정 표시 소자의 제조방법.
- 제 1 항에 있어서, 상기 소오스 및 드레인은 Mo막과 Al-Nd막을 순차적으로 적층하여 형성하는 것을 특징으로 하는 액정 표시 소자의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-1998-0055063A KR100336890B1 (ko) | 1998-12-15 | 1998-12-15 | 박막트랜지스터액정표시소자의제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-1998-0055063A KR100336890B1 (ko) | 1998-12-15 | 1998-12-15 | 박막트랜지스터액정표시소자의제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20000039662A true KR20000039662A (ko) | 2000-07-05 |
KR100336890B1 KR100336890B1 (ko) | 2003-06-19 |
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KR10-1998-0055063A KR100336890B1 (ko) | 1998-12-15 | 1998-12-15 | 박막트랜지스터액정표시소자의제조방법 |
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KR (1) | KR100336890B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100491820B1 (ko) * | 2002-06-04 | 2005-05-27 | 엘지.필립스 엘시디 주식회사 | 저온폴리실리콘 액정표시장치용 어레이 기판과 그 제조방법 |
KR100794471B1 (ko) * | 2006-05-10 | 2008-01-17 | 엘지.필립스 엘시디 주식회사 | 액정표시장치 및 이의 제조방법 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100583443C (zh) * | 2007-06-08 | 2010-01-20 | 北京京东方光电科技有限公司 | 一种薄膜晶体管结构及其制备方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0667197A (ja) * | 1992-08-18 | 1994-03-11 | Sanyo Electric Co Ltd | 液晶表示装置およびその製造方法 |
JPH06188422A (ja) * | 1992-12-18 | 1994-07-08 | Fuji Xerox Co Ltd | 薄膜トランジスタ |
JP2939783B2 (ja) * | 1993-09-29 | 1999-08-25 | 松下電器産業株式会社 | 薄膜トランジスタの製造方法 |
JPH07120789A (ja) * | 1993-10-28 | 1995-05-12 | Hitachi Ltd | 液晶表示装置及びその製造方法 |
JPH07225395A (ja) * | 1994-02-14 | 1995-08-22 | Hitachi Ltd | 液晶表示装置およびその製造方法 |
KR0169385B1 (ko) * | 1995-03-10 | 1999-03-20 | 김광호 | 블랙 매트릭스 구조가 가능한 액정용 박막 트랜지스터 기판 및 그 제조방법 |
JP3420653B2 (ja) * | 1995-03-16 | 2003-06-30 | 株式会社東芝 | 薄膜トランジスタおよび液晶表示素子 |
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1998
- 1998-12-15 KR KR10-1998-0055063A patent/KR100336890B1/ko not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100491820B1 (ko) * | 2002-06-04 | 2005-05-27 | 엘지.필립스 엘시디 주식회사 | 저온폴리실리콘 액정표시장치용 어레이 기판과 그 제조방법 |
KR100794471B1 (ko) * | 2006-05-10 | 2008-01-17 | 엘지.필립스 엘시디 주식회사 | 액정표시장치 및 이의 제조방법 |
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Publication number | Publication date |
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KR100336890B1 (ko) | 2003-06-19 |
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