KR100698049B1 - 액정표시장치 및 그의 제조방법 - Google Patents
액정표시장치 및 그의 제조방법 Download PDFInfo
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- KR100698049B1 KR100698049B1 KR1020030042032A KR20030042032A KR100698049B1 KR 100698049 B1 KR100698049 B1 KR 100698049B1 KR 1020030042032 A KR1020030042032 A KR 1020030042032A KR 20030042032 A KR20030042032 A KR 20030042032A KR 100698049 B1 KR100698049 B1 KR 100698049B1
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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
- 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
- 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
- G02F1/134309—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
- G02F1/1362—Active matrix addressed cells
- G02F1/13625—Patterning using multi-mask exposure
-
- 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
- G02F1/136277—Active matrix addressed cells formed on a semiconductor substrate, e.g. of silicon
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (16)
- 기판상에 일방향으로 배열된 복수개의 게이트라인들과;상기 게이트라인과 교차 배치되어 화소영역을 정의하는 복수개의 데이터 라인들과;상기 게이트라인과 상기 데이터라인이 교차하는 부분에, 상기 화소영역과 접하는 상기 게이트라인 일측면의 2부분에 일정간격을 갖고 돌출된 제 1, 제 2 게이트전극과, 상기 제 1, 제 2 게이트전극의 각 일측 상부에 오버랩되도록 상기 데이터라인의 일측에서 돌출되어 연장 형성된 소오스전극과, 상기 소오스전극과 이격되며 양단이 상기 제 1, 제 2 게이트전극에 각각 오버랩되어 있는 드레인전극으로 구성된 한쌍의 박막 트랜지스터와;상기 드레인전극과 연결되어 상기 화소영역에 형성된 화소전극을 포함하여 구성됨을 특징으로 하는 액정표시장치.
- 제 1 항에 있어서,상기 박막 트랜지스터들은 X축을 기준으로 이웃하는 화소영역에 지그재그로 배치됨을 특징으로 하는 액정표시장치.
- 제 1 항에 있어서,상기 한쌍의 박막 트랜지스터는 제 1, 제 2 게이트 전극을 포함한 상기 기판 전면에 게이트 절연막과,상기 제 1, 제 2 게이트 전극 상부의 상기 게이트 절연막 상에 각각 형성된 제 1, 제 2 액티브층을 포함함을 특징으로 하는 액정표시장치.
- 제 1 항에 있어서,상기 소오스전극은 양단이 '⊂' 또는 '⊃' 형상의 홈을 갖고 서로 대칭 형성됨을 특징으로 하는 액정표시장치.
- 제 1 항에 있어서,상기 소오스전극은 양단이 '┗' 또는 '┛'형상을 갖는 것을 특징으로 하는 액정표시장치.
- 제 1 항에 있어서,상기 드레인전극은 상기 게이트라인과 평행한 방향으로, 상기 화소전극과 일체로 형성됨을 특징으로 하는 액정표시장치.
- 제 1 항에 있어서,상기 화소전극과 일체로, 상기 공통배선의 일영역상에 스토리지 전극이 더 형성됨을 특징으로 하는 액정표시장치.
- 제 1 항에 있어서,상기 게이트라인과 동일층상에 평행한 방향으로 상기 화소영역을 가로지르도록 배열된 공통배선과;상기 게이트라인과 동일층상에 형성되며, 상기 화소전극 사이에 일정간격을 갖도록 배열된 공통전극을 더 포함함을 특징으로 하는 액정표시장치.
- 제 8 항에 있어서,상기 공통전극은 상기 공통배선을 기준으로 상하 대칭적으로 배열되며, 서로 연결되어 있음을 특징으로 하는 액정표시장치.
- 제 8 항에 있어서,상기 화소전극은 상기 공통배선을 기준으로 상하 대칭됨을 특징으로 하는 액정표시장치.
- 한 화소영역에 제 1, 제 2 게이트전극을 구비하여 일방향으로 배열되도록 기판상에 게이트라인을 형성하는 단계;상기 게이트라인과 교차 배치되어 화소영역을 정의하도록 데이터 라인을 형성하는 단계;상기 제 1, 제 2 게이트전극의 각 일측 상부에 오버랩되며 상기 데이터라인의 일측에서 돌출되어 연장된 소오스전극을 형성하는 단계;상기 소오스전극과 이격되어 양단이 상기 제 1, 제 2 게이트전극 상에 공유되어 오버랩되도록 드레인전극을 형성하는 단계;상기 드레인전극과 연결되도록 상기 화소영역에 화소전극을 형성하는 단계를 포함함을 특징으로 하는 액정표시장치의 제조방법.
- 제 11 항에 있어서,상기 제 1, 제 2 게이트전극과 상기 소오스전극과 상기 드레인전극이 한쌍의 박막 트랜지스터를 이루며, 상기 박막 트랜지스터는 X축을 기준으로 이웃하는 화소영역에 지그재그로 배치되도록 형성하는 것을 특징으로 하는 액정표시장치의 제조방법.
- 제 11 항에 있어서,상기 소오스전극은 양단이 '⊂' 또는 '⊃' 형상의 홈을 갖거나, '┗' 또는 '┛'형상을 갖고 서로 대칭되게 형성함을 특징으로 하는 액정표시장치의 제조방법.
- 제 11 항에 있어서,상기 드레인전극은 상기 게이트라인과 평행한 방향으로, 상기 화소전극과 일체로 형성함을 특징으로 하는 액정표시장치의 제조방법.
- 제 11 항에 있어서,상기 게이트라인을 형성함과 동시에 상기 게이트라인과 평행한 방향으로 상기 화소영역을 가로지르도록 공통배선을 형성하고, 상기 화소전극 사이에 일정간격을 갖도록 공통전극을 형성하는 것을 더 포함함을 특징으로 하는 액정표시장치의 제조방법.
- 제 11 항에 있어서,상기 제 1, 제 2 게이트 전극을 포함한 상기 기판 전면에 게이트 절연막을 형성하는 단계와,상기 제 1, 제 2 게이트 전극 상측의 상기 게이트 절연막 상에 제 1, 제 2 액티브층을 각각 형성하는 단계를 더 포함함을 특징으로 하는 액정표시장치의 제조방법.
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KR1020030042032A KR100698049B1 (ko) | 2003-06-26 | 2003-06-26 | 액정표시장치 및 그의 제조방법 |
US10/875,294 US7432995B2 (en) | 2003-06-26 | 2004-06-25 | Liquid crystal display device comprising one pair of thin film transistors per pixel and method for fabricating the same |
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Families Citing this family (9)
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JP4606103B2 (ja) * | 2004-09-22 | 2011-01-05 | 株式会社 日立ディスプレイズ | 液晶表示装置 |
JP2006154120A (ja) * | 2004-11-26 | 2006-06-15 | Seiko Epson Corp | 電気光学装置および電子機器 |
KR101003623B1 (ko) * | 2004-12-31 | 2010-12-23 | 엘지디스플레이 주식회사 | 횡전계 모드 액정표시장치 |
US7821613B2 (en) * | 2005-12-28 | 2010-10-26 | Semiconductor Energy Laboratory Co., Ltd. | Display device and manufacturing method thereof |
KR101407285B1 (ko) * | 2006-05-22 | 2014-06-13 | 엘지디스플레이 주식회사 | 액정표시장치 및 이의 구동방법 |
KR20090129805A (ko) * | 2008-06-13 | 2009-12-17 | 엘지디스플레이 주식회사 | 횡전계형 액정표시장치용 어레이 기판 |
TWI396178B (zh) * | 2009-05-25 | 2013-05-11 | Au Optronics Corp | 液晶顯示面板及其驅動方法 |
KR101073163B1 (ko) | 2009-07-30 | 2011-10-12 | 삼성모바일디스플레이주식회사 | 유기전계 발광 표시장치 |
CN105374334B (zh) * | 2015-12-11 | 2018-06-01 | 武汉华星光电技术有限公司 | 液晶显示面板结构 |
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JPH01200231A (ja) * | 1988-02-03 | 1989-08-11 | Nec Corp | 液晶ディスプレイ用アクティブマトリクス基板 |
JPH05251700A (ja) * | 1992-03-06 | 1993-09-28 | Nec Corp | 薄膜電界効果型トランジスタ |
JPH08328038A (ja) * | 1995-06-01 | 1996-12-13 | Casio Comput Co Ltd | アクティブマトリクス表示装置 |
KR19990016188A (ko) * | 1997-08-13 | 1999-03-05 | 윤종용 | 액정 표시 장치용 박막 트랜지스터 기판 |
KR20010003742A (ko) * | 1999-06-25 | 2001-01-15 | 김영환 | 박막 트랜지스터 액정 표시 소자 |
KR20040023276A (ko) * | 2002-09-11 | 2004-03-18 | 비오이 하이디스 테크놀로지 주식회사 | 샷 뮤라가 방지된 박막트랜지스터 액정표시장치 |
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US4762398A (en) * | 1987-01-26 | 1988-08-09 | Hosiden Electronics Co., Ltd. | Pixel transistor free of parasitic capacitance fluctuations from misalignment |
US5032883A (en) * | 1987-09-09 | 1991-07-16 | Casio Computer Co., Ltd. | Thin film transistor and method of manufacturing the same |
US5285302A (en) * | 1992-03-30 | 1994-02-08 | Industrial Technology Research Institute | TFT matrix liquid crystal display with compensation capacitance plus TFT stray capacitance constant irrespective of mask misalignment during patterning |
KR100257369B1 (ko) * | 1997-05-19 | 2000-05-15 | 구본준 | 횡전계방식액정표시장치 |
KR100277182B1 (ko) * | 1998-04-22 | 2001-01-15 | 김영환 | 액정표시소자 |
WO2001048546A1 (fr) * | 1999-12-24 | 2001-07-05 | Matsushita Electric Industrial Co., Ltd. | Afficheur a cristaux liquides |
KR100751177B1 (ko) * | 2000-08-08 | 2007-08-22 | 엘지.필립스 엘시디 주식회사 | 액정 표시소자 및 그의 제조방법 |
US6862052B2 (en) * | 2001-12-14 | 2005-03-01 | Samsung Electronics Co., Ltd. | Liquid crystal display, thin film transistor array panel for liquid crystal display and manufacturing method thereof |
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2003
- 2003-06-26 KR KR1020030042032A patent/KR100698049B1/ko not_active Expired - Fee Related
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2004
- 2004-06-25 US US10/875,294 patent/US7432995B2/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH01200231A (ja) * | 1988-02-03 | 1989-08-11 | Nec Corp | 液晶ディスプレイ用アクティブマトリクス基板 |
JPH05251700A (ja) * | 1992-03-06 | 1993-09-28 | Nec Corp | 薄膜電界効果型トランジスタ |
JPH08328038A (ja) * | 1995-06-01 | 1996-12-13 | Casio Comput Co Ltd | アクティブマトリクス表示装置 |
KR19990016188A (ko) * | 1997-08-13 | 1999-03-05 | 윤종용 | 액정 표시 장치용 박막 트랜지스터 기판 |
KR20010003742A (ko) * | 1999-06-25 | 2001-01-15 | 김영환 | 박막 트랜지스터 액정 표시 소자 |
KR20040023276A (ko) * | 2002-09-11 | 2004-03-18 | 비오이 하이디스 테크놀로지 주식회사 | 샷 뮤라가 방지된 박막트랜지스터 액정표시장치 |
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US20040263744A1 (en) | 2004-12-30 |
US7432995B2 (en) | 2008-10-07 |
KR20050001747A (ko) | 2005-01-07 |
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