KR20020074701A - 액정표시장치 및 그 제조방법 - Google Patents
액정표시장치 및 그 제조방법 Download PDFInfo
- Publication number
- KR20020074701A KR20020074701A KR1020010014650A KR20010014650A KR20020074701A KR 20020074701 A KR20020074701 A KR 20020074701A KR 1020010014650 A KR1020010014650 A KR 1020010014650A KR 20010014650 A KR20010014650 A KR 20010014650A KR 20020074701 A KR20020074701 A KR 20020074701A
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- metal layer
- electrode
- liquid crystal
- barrier metal
- Prior art date
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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
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (5)
- 액정셀들이 매트릭스형태로 배열된 액정표시장치에 있어서,데이터신호가 공급되는 데이터라인과,스캔신호가 공급되는 게이트라인과,액정셀을 구동하기 위한 화소전극과,상기 스캔신호에 응답하여 상기 데이터신호를 상기 화소전극으로 절환하기 위한 박막트랜지스터와,상기 박막트랜지스터의 반도체층상에 동일패턴으로 형성되는 제1 배리어금속층을 구비하고, 상기 데이터라인, 소스 및 드레인전극은 주금속층과 제2 배리어금속층으로 구성되는 것을 특징으로 하는 액정표시장치.
- 제 1 항에 있어서,상기 제1 및 제2 배리어금속층은 몰리브덴(MO), 크롬(Cr), 탄탈(Ta), 텅스텐(W), 티탄(Ti) 중 어느 하나로 형성되는 것을 특징으로 하는 액정표시장치.
- 제 1 항에 있어서,상기 주금속층은 알루미늄(Al) 또는 알루미늄 합금으로 형성되는 것을 특징으로 하는 액정표시장치.
- 기판 상에 게이트라인, 박막트랜지스터의 게이트전극을 형성하는 단계와,상기 기판 상에 게이트절연막을 전면 도포하는 단계와,상기 게이트절연막 상에 반도체층 및 제1 배리어금속층을 동일 패턴으로 형성하는 단계와,상기 게이트절연막 상에 주금속층 및 제2 배리어금속층의 2층 구조로 이루어진 데이터라인, 소스 및 드레인전극을 형성하는 단계와,상기 게이트전극과 소스전극 및 드레인전극을 가지는 박막트랜지스터를 덮도록 상기 게이트절연막 상에 보호층을 전면 형성하는 단계와,상기 드레인전극에 접속되도록 전극물질을 상기 보호층상에 전면 증착한 후에 이를 패터닝하여 화소전극을 형성하는 단계를 포함하는 것을 특징으로 하는 액정표시장치의 제조방법.
- 제 4 항에 있어서,상기 소스 및 드레인전극사이의 제1 배리어금속층과 상기 반도체층에 포함되는 오믹접촉층을 식각하는 단계를 더 포함하는 것을 특징으로 하는 액정표시장치의 제조방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010014650A KR100799463B1 (ko) | 2001-03-21 | 2001-03-21 | 액정표시장치 및 그 제조방법 |
US10/028,305 US7492418B2 (en) | 2001-03-21 | 2001-12-28 | Liquid crystal display device with particular metal layer configuration of TFT and fabricating method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010014650A KR100799463B1 (ko) | 2001-03-21 | 2001-03-21 | 액정표시장치 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020074701A true KR20020074701A (ko) | 2002-10-04 |
KR100799463B1 KR100799463B1 (ko) | 2008-02-01 |
Family
ID=19707200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020010014650A KR100799463B1 (ko) | 2001-03-21 | 2001-03-21 | 액정표시장치 및 그 제조방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7492418B2 (ko) |
KR (1) | KR100799463B1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100937173B1 (ko) * | 2006-12-26 | 2010-01-15 | 엘지디스플레이 주식회사 | 박막트랜지스터 액정표시장치용 어레이 기판 및 그제조방법 |
KR100938885B1 (ko) * | 2003-06-30 | 2010-01-27 | 엘지디스플레이 주식회사 | 액정표시장치용 어레이기판과 제조방법 |
US9978777B2 (en) | 2016-01-11 | 2018-05-22 | Samsung Display Co., Ltd. | Display device including thin film transistor array panel and manufacturing method thereof |
Families Citing this family (14)
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KR100799464B1 (ko) * | 2001-03-21 | 2008-02-01 | 엘지.필립스 엘시디 주식회사 | 액정표시장치 및 그 제조방법 |
US7038239B2 (en) | 2002-04-09 | 2006-05-02 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor element and display device using the same |
TWI338346B (en) | 2002-09-20 | 2011-03-01 | Semiconductor Energy Lab | Display device and manufacturing method thereof |
TW589663B (en) * | 2003-05-12 | 2004-06-01 | Au Optronics Corp | Flat panel display and manufacturing method thereof |
KR20060064388A (ko) * | 2004-12-08 | 2006-06-13 | 삼성전자주식회사 | 박막 트랜지스터, 이의 제조 방법, 이를 갖는 표시장치 및표시장치의 제조 방법 |
KR20070004229A (ko) * | 2005-07-04 | 2007-01-09 | 삼성전자주식회사 | 박막트랜지스터기판 및 이의 제조방법 |
CN100449715C (zh) * | 2006-01-23 | 2009-01-07 | 友达光电股份有限公司 | 薄膜晶体管及其制造方法 |
KR100983716B1 (ko) * | 2006-06-30 | 2010-09-24 | 엘지디스플레이 주식회사 | 액정표시장치 및 그 제조방법 |
KR101623224B1 (ko) * | 2008-09-12 | 2016-05-20 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치 및 반도체 장치의 제조 방법 |
KR102094683B1 (ko) | 2008-09-19 | 2020-03-30 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 표시장치 |
JP2010123595A (ja) * | 2008-11-17 | 2010-06-03 | Sony Corp | 薄膜トランジスタおよび表示装置 |
CN102646684B (zh) * | 2012-02-17 | 2015-03-11 | 京东方科技集团股份有限公司 | 一种阵列基板及其制造方法和显示设备 |
CN103311254B (zh) | 2013-05-09 | 2015-08-19 | 深圳市华星光电技术有限公司 | 显示装置及其制造方法 |
CN114779543B (zh) * | 2022-04-02 | 2023-09-26 | Tcl华星光电技术有限公司 | 显示面板及其制作方法 |
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JPH0862628A (ja) * | 1994-08-16 | 1996-03-08 | Toshiba Corp | 液晶表示素子およびその製造方法 |
JP3625598B2 (ja) * | 1995-12-30 | 2005-03-02 | 三星電子株式会社 | 液晶表示装置の製造方法 |
JP3413000B2 (ja) * | 1996-01-25 | 2003-06-03 | 株式会社東芝 | アクティブマトリックス液晶パネル |
JPH09265113A (ja) * | 1996-03-28 | 1997-10-07 | Nec Corp | アクティブマトリクス型液晶表示装置およびその製造方 法 |
KR100450544B1 (ko) * | 1996-11-27 | 2004-10-01 | 가부시키가이샤 히타치세이사쿠쇼 | 액티브 매트릭스형 액정 표시 장치 |
JPH10173191A (ja) * | 1996-12-06 | 1998-06-26 | Mitsubishi Electric Corp | 薄膜トランジスタおよびその製造方法並びにこれを搭載した液晶表示装置 |
JP3883244B2 (ja) * | 1997-01-23 | 2007-02-21 | エルジー フィリップス エルシーディー カンパニー リミテッド | 液晶表示装置 |
JP3329273B2 (ja) * | 1998-06-08 | 2002-09-30 | カシオ計算機株式会社 | 表示装置及びその製造方法 |
JP4363684B2 (ja) * | 1998-09-02 | 2009-11-11 | エルジー ディスプレイ カンパニー リミテッド | 薄膜トランジスタ基板およびこれを用いた液晶表示装置 |
JP3362008B2 (ja) * | 1999-02-23 | 2003-01-07 | シャープ株式会社 | 液晶表示装置およびその製造方法 |
JP3763381B2 (ja) * | 1999-03-10 | 2006-04-05 | シャープ株式会社 | 液晶表示装置の製造方法 |
JP2001257350A (ja) * | 2000-03-08 | 2001-09-21 | Semiconductor Energy Lab Co Ltd | 半導体装置およびその作製方法 |
JP4700160B2 (ja) * | 2000-03-13 | 2011-06-15 | 株式会社半導体エネルギー研究所 | 半導体装置 |
-
2001
- 2001-03-21 KR KR1020010014650A patent/KR100799463B1/ko active IP Right Grant
- 2001-12-28 US US10/028,305 patent/US7492418B2/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100938885B1 (ko) * | 2003-06-30 | 2010-01-27 | 엘지디스플레이 주식회사 | 액정표시장치용 어레이기판과 제조방법 |
KR100937173B1 (ko) * | 2006-12-26 | 2010-01-15 | 엘지디스플레이 주식회사 | 박막트랜지스터 액정표시장치용 어레이 기판 및 그제조방법 |
US8497507B2 (en) | 2006-12-26 | 2013-07-30 | Lg Display Co., Ltd. | Array substrate for liquid crystal display device and method of fabricating the same |
US9978777B2 (en) | 2016-01-11 | 2018-05-22 | Samsung Display Co., Ltd. | Display device including thin film transistor array panel and manufacturing method thereof |
Also Published As
Publication number | Publication date |
---|---|
US7492418B2 (en) | 2009-02-17 |
KR100799463B1 (ko) | 2008-02-01 |
US20020135709A1 (en) | 2002-09-26 |
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