KR20020078116A - 평판 디스플레이 장치용 박막 트랜지스터의 제조 방법 - Google Patents
평판 디스플레이 장치용 박막 트랜지스터의 제조 방법 Download PDFInfo
- Publication number
- KR20020078116A KR20020078116A KR1020010018005A KR20010018005A KR20020078116A KR 20020078116 A KR20020078116 A KR 20020078116A KR 1020010018005 A KR1020010018005 A KR 1020010018005A KR 20010018005 A KR20010018005 A KR 20010018005A KR 20020078116 A KR20020078116 A KR 20020078116A
- Authority
- KR
- South Korea
- Prior art keywords
- gate
- thin film
- forming
- insulating film
- film transistor
- Prior art date
Links
- 239000010409 thin film Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000010408 film Substances 0.000 claims abstract description 25
- 239000004065 semiconductor Substances 0.000 claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 7
- 229910001182 Mo alloy Inorganic materials 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 claims description 20
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 239000011733 molybdenum Substances 0.000 claims description 5
- OFIYHXOOOISSDN-UHFFFAOYSA-N tellanylidenegallium Chemical compound [Te]=[Ga] OFIYHXOOOISSDN-UHFFFAOYSA-N 0.000 description 25
- 239000011521 glass Substances 0.000 description 13
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 7
- 229920005591 polysilicon Polymers 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- 238000005530 etching Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 229910021417 amorphous silicon Inorganic materials 0.000 description 3
- 238000001039 wet etching Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 241000251730 Chondrichthyes Species 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000013532 laser treatment Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- MGRWKWACZDFZJT-UHFFFAOYSA-N molybdenum tungsten Chemical compound [Mo].[W] MGRWKWACZDFZJT-UHFFFAOYSA-N 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 230000008646 thermal stress 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ceramic Engineering (AREA)
- Optics & Photonics (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (3)
- 평판 디스플레이 장치용 박막 트랜지스터를 제조하는 방법에 있어서,소정 면적을 갖는 기판에 반도체층을 형성하는 단계와;상기 반도체층의 상면에 제 1 절연막을 형성하는 단계와;상기 제 1 절연막의 상면에 형성된 알루미늄 계열의 제 1 게이트를 형성한 후 상기 제 1 게이트의 상면에 몰리브덴 계열의 제 2 게이트를 형성하여 게이트를 형성하는 단계와;상기 게이트의 상면에 제 2 절연막을 형성하는 단계와;상기 반도체층이 노출되도록 상기 제 2 절연막에 콘택홀을 형성한 후, 상기 콘택홀이 채워지도록 상기 제 2 절연막의 상면에 패터닝된 소오스/드레인 전극을 형성하는 단계를 포함하는 평판 디스플레이 장치용 박막 트랜지스터의 제조 방법.
- 제 1 항에 있어서, 상기 제 1 게이트 및 제 2 게이트의 에지는 소정 곡률을 갖도록 등방성 식각되는 평판 디스플레이 장치용 박막 트랜지스터의 제조 방법.
- 제 1 항에 있어서, 상기 제 1 게이트는 알루미늄, 알루미늄 합금 중 어느 하나이고, 상기 제 2 게이트는 몰리브덴, 몰리브덴 합금 중 어느 하나인 평판 디스플레이 장치용 박막 트랜지스터의 제조 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010018005A KR100686331B1 (ko) | 2001-04-04 | 2001-04-04 | 평판 디스플레이 장치용 박막 트랜지스터의 제조 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010018005A KR100686331B1 (ko) | 2001-04-04 | 2001-04-04 | 평판 디스플레이 장치용 박막 트랜지스터의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020078116A true KR20020078116A (ko) | 2002-10-18 |
KR100686331B1 KR100686331B1 (ko) | 2007-02-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010018005A KR100686331B1 (ko) | 2001-04-04 | 2001-04-04 | 평판 디스플레이 장치용 박막 트랜지스터의 제조 방법 |
Country Status (1)
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7256060B2 (en) | 2004-11-12 | 2007-08-14 | Lg.Philips Lcd Co., Ltd. | Liquid crystal display device and method of fabricating the same |
US7348197B2 (en) | 2004-09-09 | 2008-03-25 | Lg.Philips Lcd Co., Ltd. | Liquid crystal display device and fabrication method thereof |
US7414691B2 (en) | 2004-08-12 | 2008-08-19 | Lg Display Co., Ltd. | Liquid crystal display device with prevention of defective disconnection of drain/pixel electrodes by forming two conductive layers on top of entire pixel electrode and then removing a portion of both therefrom |
US7474362B2 (en) | 2004-12-22 | 2009-01-06 | Lg Display Co., Ltd. | Liquid crystal display device and method of fabricating the same |
US7492432B2 (en) | 2004-12-31 | 2009-02-17 | Lg Display Co., Ltd. | Liquid crystal display device and method of fabricating the same |
US7595859B2 (en) | 2004-12-31 | 2009-09-29 | Lg Display Co., Ltd. | Liquid crystal display device and method of fabricating the same |
US7612836B2 (en) | 2004-09-09 | 2009-11-03 | Lg Display Co., Ltd. | Liquid crystal display device and fabrication method thereof |
US7632722B2 (en) | 2004-12-24 | 2009-12-15 | Lg Display Co., Ltd. | Liquid crystal display device and method of fabricating the same |
US7638801B2 (en) | 2004-08-13 | 2009-12-29 | Lg Display Co., Ltd. | Liquid crystal display device and fabrication method thereof |
US7701524B2 (en) | 2004-08-26 | 2010-04-20 | Lg Display Co., Ltd. | LCD device comprising the drain electrode connected to an upper and a side portion of the pixel electrode and fabrication method thereof |
US7830476B2 (en) | 2004-12-31 | 2010-11-09 | Lg Display Co., Ltd. | Electroluminescence display device comprising a drain electrode being directly contacted with the upper surface of the first transparent conductive layer and the side surface of the second conductive layer and fabricating methods thereof |
US8018545B2 (en) | 2004-08-26 | 2011-09-13 | Lg Display Co., Ltd. | Method of fabricating a liquid crystal display device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11206020A (ja) * | 1998-01-19 | 1999-07-30 | Hitachi Ltd | Pwm制御装置 |
WO1999039241A1 (en) * | 1998-01-30 | 1999-08-05 | Hitachi, Ltd. | Liquid crystal display device |
-
2001
- 2001-04-04 KR KR1020010018005A patent/KR100686331B1/ko active IP Right Grant
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7414691B2 (en) | 2004-08-12 | 2008-08-19 | Lg Display Co., Ltd. | Liquid crystal display device with prevention of defective disconnection of drain/pixel electrodes by forming two conductive layers on top of entire pixel electrode and then removing a portion of both therefrom |
US7927930B2 (en) | 2004-08-13 | 2011-04-19 | Lg Display Co., Ltd. | Method for fabricating a liquid crystal display device |
US7638801B2 (en) | 2004-08-13 | 2009-12-29 | Lg Display Co., Ltd. | Liquid crystal display device and fabrication method thereof |
US8018545B2 (en) | 2004-08-26 | 2011-09-13 | Lg Display Co., Ltd. | Method of fabricating a liquid crystal display device |
US7701524B2 (en) | 2004-08-26 | 2010-04-20 | Lg Display Co., Ltd. | LCD device comprising the drain electrode connected to an upper and a side portion of the pixel electrode and fabrication method thereof |
US7348197B2 (en) | 2004-09-09 | 2008-03-25 | Lg.Philips Lcd Co., Ltd. | Liquid crystal display device and fabrication method thereof |
US8049830B2 (en) | 2004-09-09 | 2011-11-01 | Lg Display Co., Ltd. | Liquid crystal display device and fabrication method thereof |
US7612836B2 (en) | 2004-09-09 | 2009-11-03 | Lg Display Co., Ltd. | Liquid crystal display device and fabrication method thereof |
US7619286B2 (en) | 2004-11-12 | 2009-11-17 | Lg Display Co., Ltd. | Liquid crystal display device and method of fabricating the same |
US7256060B2 (en) | 2004-11-12 | 2007-08-14 | Lg.Philips Lcd Co., Ltd. | Liquid crystal display device and method of fabricating the same |
US7474362B2 (en) | 2004-12-22 | 2009-01-06 | Lg Display Co., Ltd. | Liquid crystal display device and method of fabricating the same |
US7632722B2 (en) | 2004-12-24 | 2009-12-15 | Lg Display Co., Ltd. | Liquid crystal display device and method of fabricating the same |
US7999267B2 (en) | 2004-12-24 | 2011-08-16 | Lg Display Co., Ltd. | Liquid crystal display device |
US7830476B2 (en) | 2004-12-31 | 2010-11-09 | Lg Display Co., Ltd. | Electroluminescence display device comprising a drain electrode being directly contacted with the upper surface of the first transparent conductive layer and the side surface of the second conductive layer and fabricating methods thereof |
US7595859B2 (en) | 2004-12-31 | 2009-09-29 | Lg Display Co., Ltd. | Liquid crystal display device and method of fabricating the same |
US7492432B2 (en) | 2004-12-31 | 2009-02-17 | Lg Display Co., Ltd. | Liquid crystal display device and method of fabricating the same |
Also Published As
Publication number | Publication date |
---|---|
KR100686331B1 (ko) | 2007-02-22 |
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