KR100613015B1 - 액정소자, 액정 디스플레이 패널 및 그 제조방법 - Google Patents
액정소자, 액정 디스플레이 패널 및 그 제조방법 Download PDFInfo
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- KR100613015B1 KR100613015B1 KR1019990041720A KR19990041720A KR100613015B1 KR 100613015 B1 KR100613015 B1 KR 100613015B1 KR 1019990041720 A KR1019990041720 A KR 1019990041720A KR 19990041720 A KR19990041720 A KR 19990041720A KR 100613015 B1 KR100613015 B1 KR 100613015B1
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- layer
- liquid crystal
- etching
- etching stopper
- display panel
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/031—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT]
- H10D30/0312—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] characterised by the gate electrodes
- H10D30/0316—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] characterised by the gate electrodes of lateral bottom-gate TFTs comprising only a single gate
-
- 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
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/031—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT]
- H10D30/0321—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] comprising silicon, e.g. amorphous silicon or polysilicon
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6704—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device
- H10D30/6706—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device for preventing leakage current
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6704—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device
- H10D30/6723—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device having light shields
-
- 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
- G02F1/136231—Active matrix addressed cells for reducing the number of lithographic steps
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
- H10D30/6737—Thin-film transistors [TFT] characterised by the electrodes characterised by the electrode materials
- H10D30/6739—Conductor-insulator-semiconductor electrodes
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- 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 (18)
- 기판과, 게이트전극과, 상기 게이트 전극에 접속된 게이트선과, 게이트 절연막과, 채널층과, 채널폭 방향의 양단이 상기 기판에 대해 직각 또는 순 테이퍼로 형성되고, 마주 대하는 2조의 측면을 가지는 에칭스토퍼와, 상기 드레인 전극에 접속되고, 상기 게이트 절연막을 개재하여 상기 게이트선과 교차하는 신호배선을 포함하는 액정소자에 있어서,상기 에칭스토퍼의 전류방향의 측면과 전류방향과 수직방향의 측면이 서로 다른 각도로 경사져 있는, 액정소자.
- 제 1 항에 있어서,상기 게이트 절연막과 상기 채널층 사이에 SiNx 막이 형성되어 있는, 액정소자.
- 제 1 항 또는 제 2 항에 있어서,상기 게이트 전극에 접속된 게이트 배선과 상기 드레인 전극에 접속된 신호배선의 교차부에 있어서 층간절연막은, 상기 게이트 절연막과 상기 에칭스토퍼층을 포함하는, 액정소자.
- 제 1 항 또는 제 2 항에 있어서,상기 게이트 절연막은, SiOx 또는 SiNx로 형성되어 있는, 액정소자.
- 제 1 항 또는 제 2 항에 있어서,상기 게이트절연막은, MoW, Cr, Cu, Ni, Al, Ag 로부터 선택된 적어도 하나의 층으로 이루어지고, 1층 또는 2층 이상의 층으로 구성되는, 액정소자.
- 제 1 항 또는 제 2 항에 기재된 액정소자를 포함하는, 액정 디스플레이 패널.
- 투광성 기판에 게이트 전극을 형성하는 공정과,게이트 절연막을 상기 기판 전체에 성막하는 공정과,상기 게이트 절연막 상에 채널층을 성막하는 공정과,상기 채널층 위에 에칭스토퍼층을 성막하는 공정과,상기 에칭스토퍼층 위에 레지스트를 성막하는 공정과,상기 게이트 전극을 차광마스크로 해서 상기 기판의 이면으로부터 노광을 행하는 공정과,상기 레지스트를 현상하는 공정과,상기 에칭스토퍼층을 에칭하는 공정과,상기 레지스트를 박리하는 공정과,상기 기판 위에 소스ㆍ드레인층을 성막하는 공정과,상기 소스ㆍ드레인층 위에 레지스트층을 형성하는 공정과,상기 기판을 노광하는 공정과,상기 레지스트층을 현상하는 공정과,상기 소스ㆍ드레인층과 상기 에칭스토퍼층을 동시에 에칭하는 공정과,상기 레지스트층을 제거하는 공정을 포함하는 액정 디스플레이 패널의 제조방법에 있어서,상기 에칭스토퍼층을 에칭하는 공정은, 상기 소스ㆍ드레인층의 폭보다 채널폭 방향으로 긴 에칭스토퍼를 형성하는 공정을 포함하고,상기 동시에 에칭하는 공정은, 상기 에칭스토퍼층의 채널폭 방향의 양 끝단을 제거하는 공정을 포함하는, 액정 디스플레이 패널의 제조방법.
- 제 7 항에 있어서,상기 에칭스토퍼층을 에칭하는 공정은, 희불산(dilute hydrofluoric acid)을 사용해서 습식 에칭하는 공정인, 액정 디스플레이 패널의 제조방법.
- 제 7 항 또는 제 8 항에 있어서,상기 소스ㆍ드레인층이 n+형 a-Si층인, 액정 디스플레이 패널의 제조방법.
- 제 9 항에 있어서,상기 노광을 행하는 공정은, 레티클을 사용해서 스테퍼 노광을 행하는 공정인, 액정 디스플레이 패널의 제조방법.
- 제 7항에 있어서,상기 레지스트를 박리하는 공정에 이어서,투명전극을 형성하는 공정과,신호배선을 형성하는 공정을 포함하는, 액정 디스플레이 패널의 제조방법.
- 제 11항에 있어서,상기 신호배선은, Mo층/Al층/Mo층의 적층제로 구성되는, 액정 디스플레이 패널의 제조방법.
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27868998A JP4246298B2 (ja) | 1998-09-30 | 1998-09-30 | 液晶ディスプレイパネルの製造方法 |
| JP278689 | 1998-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20000023524A KR20000023524A (ko) | 2000-04-25 |
| KR100613015B1 true KR100613015B1 (ko) | 2006-08-14 |
Family
ID=17600814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019990041720A Expired - Fee Related KR100613015B1 (ko) | 1998-09-30 | 1999-09-29 | 액정소자, 액정 디스플레이 패널 및 그 제조방법 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US6465285B2 (ko) |
| JP (1) | JP4246298B2 (ko) |
| KR (1) | KR100613015B1 (ko) |
| TW (1) | TW518445B (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101604480B1 (ko) | 2009-02-18 | 2016-03-17 | 엘지디스플레이 주식회사 | 산화물 반도체를 이용한 박막트랜지스터 어레이 기판의 제조방법 |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4674926B2 (ja) | 1999-02-12 | 2011-04-20 | エーユー オプトロニクス コーポレイション | 液晶ディスプレイパネル及びその製造方法 |
| US6653160B2 (en) * | 1999-12-13 | 2003-11-25 | Lg. Philips Lcd Co. Ltd | Method of manufacturing array substrate for use in liquid crystal display device |
| US6838696B2 (en) * | 2000-03-15 | 2005-01-04 | Advanced Display Inc. | Liquid crystal display |
| KR100729763B1 (ko) * | 2000-12-04 | 2007-06-20 | 삼성전자주식회사 | 액정 표시 장치용 박막 트랜지스터 기판 및 그 제조 방법 |
| JP2002237594A (ja) * | 2001-02-02 | 2002-08-23 | Internatl Business Mach Corp <Ibm> | 薄膜トランジスタ、薄膜トランジスタの製造方法および薄膜トランジスタを含むディスプレイ・デバイス |
| JP4410951B2 (ja) * | 2001-02-27 | 2010-02-10 | Nec液晶テクノロジー株式会社 | パターン形成方法および液晶表示装置の製造方法 |
| KR100777706B1 (ko) * | 2001-09-17 | 2007-11-21 | 삼성전자주식회사 | 배선 및 그 제조 방법과 그 배선을 포함하는 박막트랜지스터 기판 및 그 제조 방법 |
| WO2003072967A1 (en) * | 2002-02-28 | 2003-09-04 | Fujitsu Limited | Dynamic pressure bearing manufacturing method, dynamic pressure bearing, and dynamic pressure bearing manufacturing device |
| KR100870697B1 (ko) * | 2002-03-07 | 2008-11-27 | 엘지디스플레이 주식회사 | 저저항 구리배선 형성방법 |
| US7522184B2 (en) * | 2004-04-03 | 2009-04-21 | Li Sun | 2-D and 3-D display |
| US7227568B2 (en) * | 2004-04-03 | 2007-06-05 | Li Sun | Dual polarizing light filter for 2-D and 3-D display |
| JP2006148050A (ja) * | 2004-10-21 | 2006-06-08 | Seiko Epson Corp | 薄膜トランジスタ、電気光学装置、及び電子機器 |
| GB0427563D0 (en) * | 2004-12-16 | 2005-01-19 | Plastic Logic Ltd | A method of semiconductor patterning |
| CN101137933A (zh) * | 2005-03-11 | 2008-03-05 | Lg化学株式会社 | 具有银覆盖的电极的lcd器件 |
| JP5111742B2 (ja) * | 2005-07-11 | 2013-01-09 | 株式会社ジャパンディスプレイイースト | レジストおよびこれを用いた表示装置の製造方法 |
| JP5264132B2 (ja) * | 2006-09-22 | 2013-08-14 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
| JP2010056541A (ja) * | 2008-07-31 | 2010-03-11 | Semiconductor Energy Lab Co Ltd | 半導体装置およびその作製方法 |
| TWI419036B (zh) | 2009-10-23 | 2013-12-11 | Au Optronics Corp | 觸控顯示面板及其觸控感測單元 |
| KR20120102653A (ko) | 2009-10-30 | 2012-09-18 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치 및 반도체 장치의 제작방법 |
| KR101182232B1 (ko) | 2010-06-30 | 2012-09-12 | 삼성디스플레이 주식회사 | 유기전계발광 표시장치 |
| JP6076626B2 (ja) * | 2012-06-14 | 2017-02-08 | 株式会社ジャパンディスプレイ | 表示装置及びその製造方法 |
| KR102131195B1 (ko) | 2013-07-16 | 2020-07-08 | 삼성디스플레이 주식회사 | 박막 트랜지스터를 포함하는 표시 기판 및 이의 제조 방법 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3537854B2 (ja) * | 1992-12-29 | 2004-06-14 | 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 | 薄膜トランジスタの製造方法 |
| KR0139346B1 (ko) * | 1994-03-03 | 1998-06-15 | 김광호 | 박막 트랜지스터 액정표시장치의 제조방법 |
| JPH08271880A (ja) * | 1995-04-03 | 1996-10-18 | Toshiba Corp | 遮光膜,液晶表示装置および遮光膜形成用材料 |
| JPH09218425A (ja) * | 1996-02-09 | 1997-08-19 | Toshiba Electron Eng Corp | 液晶表示装置及びその製造方法 |
| KR100232677B1 (ko) * | 1996-04-09 | 1999-12-01 | 구본준 | 박막 트랜지스터의 제조방법 및 그 방법에 의해 제조되는 박막 트랜지스터의 구조 |
| JP3323889B2 (ja) * | 1996-10-28 | 2002-09-09 | 三菱電機株式会社 | 薄膜トランジスタの製造方法 |
| KR100212284B1 (ko) * | 1996-11-13 | 1999-08-02 | 윤종용 | 채널 보호형 박막 트랜지스터 기판 |
| US6218219B1 (en) * | 1997-09-29 | 2001-04-17 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and fabrication method thereof |
| JP4674926B2 (ja) * | 1999-02-12 | 2011-04-20 | エーユー オプトロニクス コーポレイション | 液晶ディスプレイパネル及びその製造方法 |
| US6104042A (en) * | 1999-06-10 | 2000-08-15 | Chi Mei Optoelectronics Corp. | Thin film transistor with a multi-metal structure a method of manufacturing the same |
-
1998
- 1998-09-30 JP JP27868998A patent/JP4246298B2/ja not_active Expired - Fee Related
-
1999
- 1999-09-29 KR KR1019990041720A patent/KR100613015B1/ko not_active Expired - Fee Related
- 1999-09-29 TW TW088116747A patent/TW518445B/zh not_active IP Right Cessation
- 1999-09-30 US US09/409,266 patent/US6465285B2/en not_active Expired - Fee Related
-
2002
- 2002-09-04 US US10/234,089 patent/US7061018B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101604480B1 (ko) | 2009-02-18 | 2016-03-17 | 엘지디스플레이 주식회사 | 산화물 반도체를 이용한 박막트랜지스터 어레이 기판의 제조방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| US7061018B2 (en) | 2006-06-13 |
| JP4246298B2 (ja) | 2009-04-02 |
| KR20000023524A (ko) | 2000-04-25 |
| TW518445B (en) | 2003-01-21 |
| US6465285B2 (en) | 2002-10-15 |
| US20020090769A1 (en) | 2002-07-11 |
| JP2000114532A (ja) | 2000-04-21 |
| US20030013247A1 (en) | 2003-01-16 |
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