KR100766493B1 - 박막트랜지스터 액정표시장치 - Google Patents
박막트랜지스터 액정표시장치 Download PDFInfo
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- KR100766493B1 KR100766493B1 KR1020010006820A KR20010006820A KR100766493B1 KR 100766493 B1 KR100766493 B1 KR 100766493B1 KR 1020010006820 A KR1020010006820 A KR 1020010006820A KR 20010006820 A KR20010006820 A KR 20010006820A KR 100766493 B1 KR100766493 B1 KR 100766493B1
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- 239000010408 film Substances 0.000 claims abstract description 77
- 229910052751 metal Inorganic materials 0.000 claims abstract description 44
- 239000002184 metal Substances 0.000 claims abstract description 44
- 239000010409 thin film Substances 0.000 claims abstract description 40
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 34
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 29
- MGRWKWACZDFZJT-UHFFFAOYSA-N molybdenum tungsten Chemical compound [Mo].[W] MGRWKWACZDFZJT-UHFFFAOYSA-N 0.000 claims abstract description 23
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 14
- 239000011651 chromium Substances 0.000 claims abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 18
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 8
- 229920005591 polysilicon Polymers 0.000 claims description 7
- 239000010410 layer Substances 0.000 description 69
- 230000000694 effects Effects 0.000 description 15
- 239000011229 interlayer Substances 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 229910021417 amorphous silicon Inorganic materials 0.000 description 6
- 238000000059 patterning Methods 0.000 description 6
- 238000002161 passivation Methods 0.000 description 5
- 238000002310 reflectometry Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 238000005468 ion implantation Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical group 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005224 laser annealing Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
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- 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
-
- 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
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- 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
-
- 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
-
- 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
- G02F2203/00—Function characteristic
- G02F2203/02—Function characteristic reflective
-
- 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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (8)
- 기판,상기 기판에 적어도 하나 형성되는 박막트랜지스터, 소오스/드레인 전극 및 배선들상기 박막트랜지스터, 소오스/드레인 전극 및 배선들 위로 적층되며 상기 드레인 전극 일부를 드러내는 콘택 홀을 가지는 절연막,상기 절연막 위로 형성되며 상기 콘택 홀을 통해 상기 드레인 전극과 연결되며 상기 박막트랜지스터와 연결된 반사막을 가지는 박막트랜지스터 액정표시장치에 있어서,상기 반사막은 다중 도전막으로 형성되고, 상기 반사막의 최하층은 상기 드레인 전극과 동일한 물질로 이루어지는 것을 특징으로 하는 박막트랜지스터 액정표시장치.
- 제 1 항에 있어서,상기 드레인 전극은 복수의 층으로 이루어지고, 상기 복수의 층 가운데 최상층막은 크롬층 혹은 텅스텐 몰리브덴층 가운데 하나로 이루어지는 것을 특징으로 하는 박막트랜지스터 액정표시장치.
- 제 2 항에 있어서,상기 다중 도전막은 2중층으로 이루어지며, 상기 다중 반사막의 최하층은 상기 드레인 전극의 최상층막과 동일하게 크롬층 혹은 텅스텐 몰리브덴층 가운데 하나로 이루어지고, 상기 다중 반사막의 최상층은 알미늄 함유 금속으로 형성되는 것을 특징으로 하는 박막트랜지스터 액정표시장치.
- 제 2 항에 있어서,상기 다중 도전막은 3중층으로 이루어지며, 상기 다중 반사막의 최하층은 상기 드레인 전극의 최상층막과 동일하게 크롬층 혹은 텅스텐 몰리브덴층 가운데 하나로 이루어지고, 상기 다중 반사막의 최상층은 알미늄 함유 금속으로 이루어지며, 상기 다중 반사막의 중간층은 최하층과 최상층의 중간 전기음성도를 갖는 도전막으로 이루어진 것을 특징으로 하는 박막트랜지스터 액정표시장치.
- 제 2 항에 있어서,상기 드레인 전극은 3중층으로 이루어지고, 상기 드레인 전극의 최하층막과 최상층막은 텅스텐 몰리브덴층으로 이루어지고, 상기 최하층막과 상기 최상층막 사이의 중간층은 알미늄 함유 금속층으로 이루어진 것을 특징으로 하는 박막트랜지스터 액정표시장치.
- 제 1 항에 있어서,상기 박막트랜지스터는 탑 게이트 폴리실리콘형 박막트랜지스터인 것을 특징으로 하는 박막트랜지스터 액정표시장치.
- 제 1 항에 있어서,상기 절연막은 감광성 유기 절연막으로 이루어진 것을 특징으로 하는 박막트랜지스터 액정표시장치.
- 제 7 항에 있어서,상기 절연막 상면에 마이크로 렌즈의 역할을 할 수 있는 작은 돌기들이 형성된 것을 특징으로 하는 박막트랜지스터 액정표시장치.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010006820A KR100766493B1 (ko) | 2001-02-12 | 2001-02-12 | 박막트랜지스터 액정표시장치 |
JP2001153606A JP4707263B2 (ja) | 2001-02-12 | 2001-05-23 | 薄膜トランジスタ液晶表示装置 |
US09/911,613 US6836299B2 (en) | 2001-02-12 | 2001-07-25 | TFT LCD device having multi-layered pixel electrodes |
TW090127318A TWI240839B (en) | 2001-02-12 | 2001-11-02 | TFT LCD device having multi-layered pixel electrodes |
US11/433,903 USRE41927E1 (en) | 2001-02-12 | 2006-05-11 | TFT LCD device having multi-layered pixel electrodes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020010006820A KR100766493B1 (ko) | 2001-02-12 | 2001-02-12 | 박막트랜지스터 액정표시장치 |
Publications (2)
Publication Number | Publication Date |
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KR20020066574A KR20020066574A (ko) | 2002-08-19 |
KR100766493B1 true KR100766493B1 (ko) | 2007-10-15 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020010006820A KR100766493B1 (ko) | 2001-02-12 | 2001-02-12 | 박막트랜지스터 액정표시장치 |
Country Status (4)
Country | Link |
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US (2) | US6836299B2 (ko) |
JP (1) | JP4707263B2 (ko) |
KR (1) | KR100766493B1 (ko) |
TW (1) | TWI240839B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10288962B2 (en) | 2010-12-10 | 2019-05-14 | Samsung Display Co., Ltd. | Display device and method of manufacturing the same |
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US6620655B2 (en) * | 2000-11-01 | 2003-09-16 | Lg.Phillips Lcd Co., Ltd. | Array substrate for transflective LCD device and method of fabricating the same |
KR100467944B1 (ko) | 2002-07-15 | 2005-01-24 | 엘지.필립스 엘시디 주식회사 | 반사투과형 액정표시장치 및 그의 제조방법 |
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TWI366054B (en) * | 2003-06-27 | 2012-06-11 | Samsung Electronics Co Ltd | Contact structure of conductive films and thin film transistor array panel including the same |
JP4552407B2 (ja) * | 2003-09-17 | 2010-09-29 | カシオ計算機株式会社 | 薄膜トランジスタ |
KR100752214B1 (ko) * | 2003-10-16 | 2007-08-28 | 엘지.필립스 엘시디 주식회사 | 반투과형 액정표시소자의 제조방법 |
KR100623247B1 (ko) * | 2003-12-22 | 2006-09-18 | 삼성에스디아이 주식회사 | 평판표시장치 및 그의 제조방법 |
CN100353244C (zh) * | 2004-01-17 | 2007-12-05 | 统宝光电股份有限公司 | 液晶显示器及其制作方法及其晶体管数组基板及制作方法 |
KR100741966B1 (ko) * | 2004-01-27 | 2007-07-23 | 삼성에스디아이 주식회사 | 유기전계발광 표시장치 및 그의 제조방법 |
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KR100731733B1 (ko) * | 2004-11-24 | 2007-06-22 | 삼성에스디아이 주식회사 | 액정표시장치 및 그 제조방법 |
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Also Published As
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US20020109797A1 (en) | 2002-08-15 |
JP2002258325A (ja) | 2002-09-11 |
US6836299B2 (en) | 2004-12-28 |
TWI240839B (en) | 2005-10-01 |
JP4707263B2 (ja) | 2011-06-22 |
KR20020066574A (ko) | 2002-08-19 |
USRE41927E1 (en) | 2010-11-16 |
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