KR100482458B1 - 박막트랜지스터액정표시소자및그제조방법 - Google Patents
박막트랜지스터액정표시소자및그제조방법 Download PDFInfo
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- KR100482458B1 KR100482458B1 KR1019970066715A KR19970066715A KR100482458B1 KR 100482458 B1 KR100482458 B1 KR 100482458B1 KR 1019970066715 A KR1019970066715 A KR 1019970066715A KR 19970066715 A KR19970066715 A KR 19970066715A KR 100482458 B1 KR100482458 B1 KR 100482458B1
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- South Korea
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- electrode
- common electrode
- layer
- gate
- common
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- 239000004973 liquid crystal related substance Substances 0.000 title description 4
- 239000010409 thin film Substances 0.000 title 1
- 239000000758 substrate Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract 3
- 239000002184 metal Substances 0.000 claims description 15
- 239000003990 capacitor Substances 0.000 claims description 10
- 238000000059 patterning Methods 0.000 claims description 9
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 7
- 238000001312 dry etching Methods 0.000 claims description 2
- 238000005530 etching Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000001039 wet etching Methods 0.000 claims 1
- 239000010408 film Substances 0.000 description 17
- 230000005684 electric field Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 235000014443 Pyrus communis Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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
-
- 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
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
-
- 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
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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)
- Geometry (AREA)
- Liquid Crystal (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
Abstract
Description
Claims (8)
- 투명 기판 상에 형성된 게이트 배선 전극 및 화소전극과,상기 게이트 배선 전극과 평행하게 동일층에 형성된 제1 공통 전극과,상기 게이트배선 전극을 덮으며, 화소전극 및 제 1공통전극을 노출시키는 콘택홀을 가진 게이트 절연막과,상기 제 1공통전극과 수직하게 상기 게이트절연막의 상부에 형성된 신호 배선 전극과,상기 신호 배선 전극과 평행하게 동일층에서 형성되며, 상기 콘택홀을 통해 상기 화소전극과 제 1공통전극과 콘택되는 제 2공통전극을 구비하여 이루어지는 것을 특징으로하는 TFT-LCD.
- 제1항에 있어서, 상기 게이트 배선 전극, 화소 전극 및 제1 공통 전극은 Mo-W의 재질을 갖는 것을 특징으로하는 TFT-LCD.
- 제1항에 있어서, 상기 신호 배선 전극 및 상기 제2 공통 전극은 Mo/Al/Mo의 재질을 갖는 것을 특징으로하는 TFT-LCD.
- 제1항에 있어서, 상기 게이트 전극, 화소 전극 및 제1 공통 전극은 3,000 ∼ 5,000Å의 두께를 갖는 것을 특징으로하는 TFT-LCD.
- 제1항에 있어서, 상기 제2 공통 전극은 상기 신호 배선 전극 폭의 약 1.5배 인 것을 특징으로하는 TFT-LCD.
- 투명 기판 상에 제1 금속층을 형성하는 단계와,상기 제1 금속층을 패터닝하여 게이트 배선 전극, 상기 게이트 배선 전극에 평행한 제1 공통 전극 및 상기 게이트 배선 전극에 수직한 화소 전극을 동일층에 형성하는 단계와,상기 결과물 상에 게이트 절연막과 a-Si층을 순차적으로 형성한 후 상기 a-Si층을 패터닝하여 액티브층을 형성하면서 상기 게이트절연막을 노출시키는 단계와,상기 게이트절연막을 식각하여 상기 화소전극 및 상기 제 1공통전극의 소정 부분이 노출시키는 콘택홀을 형성하는 단계와,상기 게이트 절연막 상에 제2 금속층을 형성하여 상기 콘택홀을 매립하는 단계와,상기 제2 금속층을 패터닝하여 상기 콘택홀을 통해 상기 제1공통 전극에 수직하게 열결되는 제2 공통 전극, 상기 제2 공통 전극에 평행한 신호 배선 전극 및 상기 화소 전극에 콘택되는 보조용량전극을 형성하는 단계를 포함하는 것을 특징으로 하는 TFT-LCD의 제조 방법.
- 제6항에 있어서, 상기 제1 금속층의 패터닝 단계는 건식 에칭에 의해 수행되는 것을 특징으로 하는 TFT-LCD의 제조방법.
- 제6항에 있어서, 상기 콘택홀의 형성 단계는 습식 에칭에 의해 수행되는 것을 특징으로 하는 TFT-LCD의 제조방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970066715A KR100482458B1 (ko) | 1997-12-08 | 1997-12-08 | 박막트랜지스터액정표시소자및그제조방법 |
US09/207,842 US6094250A (en) | 1997-12-08 | 1998-12-08 | IPS mode TFT-LCD and method for fabricating the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970066715A KR100482458B1 (ko) | 1997-12-08 | 1997-12-08 | 박막트랜지스터액정표시소자및그제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990048102A KR19990048102A (ko) | 1999-07-05 |
KR100482458B1 true KR100482458B1 (ko) | 2005-08-10 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1019970066715A KR100482458B1 (ko) | 1997-12-08 | 1997-12-08 | 박막트랜지스터액정표시소자및그제조방법 |
Country Status (2)
Country | Link |
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US (1) | US6094250A (ko) |
KR (1) | KR100482458B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8395715B2 (en) | 2010-12-21 | 2013-03-12 | Apple Inc. | Displays with minimized crosstalk |
US8989672B2 (en) | 2011-01-07 | 2015-03-24 | Apple Inc. | Methods for adjusting radio-frequency circuitry to mitigate interference effects |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100257369B1 (ko) * | 1997-05-19 | 2000-05-15 | 구본준 | 횡전계방식액정표시장치 |
US6697140B2 (en) | 1997-07-29 | 2004-02-24 | Lg. Philips Lcd Co., Ltd. | In-plane switching mode liquid crystal display device wherein portions of second gate line overlaps with data electrode |
KR100293436B1 (ko) * | 1998-01-23 | 2001-08-07 | 구본준, 론 위라하디락사 | 횡전계방식액정표시장치 |
KR100507271B1 (ko) * | 1999-06-30 | 2005-08-10 | 비오이 하이디스 테크놀로지 주식회사 | 고개구율 및 고투과율 액정표시장치 및 그 제조방법 |
KR100493869B1 (ko) * | 1999-12-16 | 2005-06-10 | 엘지.필립스 엘시디 주식회사 | 횡전계 방식의 액정표시장치 및 그 제조방법 |
KR100736114B1 (ko) * | 2000-05-23 | 2007-07-06 | 엘지.필립스 엘시디 주식회사 | 횡전계 방식의 액정표시장치 및 그 제조방법 |
KR100425157B1 (ko) * | 2001-05-25 | 2004-03-30 | 엘지.필립스 엘시디 주식회사 | 횡전계방식 액정표시장치 |
KR100587367B1 (ko) | 2000-10-20 | 2006-06-08 | 엘지.필립스 엘시디 주식회사 | 횡전계방식 액정표시장치 및 그 제조방법 |
KR100441834B1 (ko) * | 2001-11-20 | 2004-07-27 | 한스타 디스플레이 코퍼레이션 | 인-플레인 전환모드 액정표시장치의 전극배열체 |
JP4047586B2 (ja) * | 2002-01-10 | 2008-02-13 | Nec液晶テクノロジー株式会社 | 横電界方式のアクティブマトリクス型液晶表示装置 |
KR100493381B1 (ko) * | 2002-08-16 | 2005-06-07 | 엘지.필립스 엘시디 주식회사 | 액정표시패널 |
KR100895017B1 (ko) | 2002-12-10 | 2009-04-30 | 엘지디스플레이 주식회사 | 개구율이 향상된 횡전계모드 액정표시소자 |
TWI240135B (en) * | 2003-06-05 | 2005-09-21 | Au Optronics Corp | Method of stabilizing parasitic capacitance in an LCD device |
CN100364110C (zh) * | 2003-06-07 | 2008-01-23 | 统宝光电股份有限公司 | 薄膜晶体管阵列基板结构 |
JP4293867B2 (ja) * | 2003-09-05 | 2009-07-08 | 奇美電子股▲ふん▼有限公司 | 画素の大型化に対応したips液晶ディスプレイ |
JP6014324B2 (ja) * | 2011-12-22 | 2016-10-25 | 株式会社ジャパンディスプレイ | 液晶表示装置 |
US20150085090A1 (en) * | 2013-09-25 | 2015-03-26 | Shenzhen China Star Optoelectronics Technology Co. Ltd. | Three-dimensional display device and three-dimensional display method thereof |
CN105572980A (zh) * | 2015-12-18 | 2016-05-11 | 武汉华星光电技术有限公司 | 液晶面板及其像素结构 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0667206A (ja) * | 1992-08-20 | 1994-03-11 | Seiko Epson Corp | 液晶表示装置の製造方法 |
JPH0736058A (ja) * | 1993-07-20 | 1995-02-07 | Hitachi Ltd | アクティブマトリックス型液晶表示装置 |
KR950004597A (ko) * | 1993-07-23 | 1995-02-18 | 이헌조 | 픽셀용 박막트랜지스터의 구조 및 제조방법 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5402254B1 (en) * | 1990-10-17 | 1998-09-22 | Hitachi Ltd | Liquid crystal display device with tfts in which pixel electrodes are formed in the same plane as the gate electrodes with anodized oxide films before the deposition of silicon |
US5959708A (en) * | 1996-06-21 | 1999-09-28 | Hyundai Electronics Industries Co., Ltd. | Liquid crystal display having a conductive high molecular film for preventing the fringe field in the in-plane switching mode |
JP2937131B2 (ja) * | 1996-08-30 | 1999-08-23 | 日本電気株式会社 | 液晶表示装置 |
KR100293806B1 (ko) * | 1997-06-25 | 2001-10-24 | 박종섭 | 액정표시소자 |
-
1997
- 1997-12-08 KR KR1019970066715A patent/KR100482458B1/ko active IP Right Grant
-
1998
- 1998-12-08 US US09/207,842 patent/US6094250A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0667206A (ja) * | 1992-08-20 | 1994-03-11 | Seiko Epson Corp | 液晶表示装置の製造方法 |
JPH0736058A (ja) * | 1993-07-20 | 1995-02-07 | Hitachi Ltd | アクティブマトリックス型液晶表示装置 |
KR950004597A (ko) * | 1993-07-23 | 1995-02-18 | 이헌조 | 픽셀용 박막트랜지스터의 구조 및 제조방법 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8395715B2 (en) | 2010-12-21 | 2013-03-12 | Apple Inc. | Displays with minimized crosstalk |
US8482686B2 (en) | 2010-12-21 | 2013-07-09 | Apple Inc. | Displays with minimized crosstalk |
US8989672B2 (en) | 2011-01-07 | 2015-03-24 | Apple Inc. | Methods for adjusting radio-frequency circuitry to mitigate interference effects |
Also Published As
Publication number | Publication date |
---|---|
KR19990048102A (ko) | 1999-07-05 |
US6094250A (en) | 2000-07-25 |
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