KR100939603B1 - 잔상을 제거하는 액정표시장치 - Google Patents
잔상을 제거하는 액정표시장치 Download PDFInfo
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- KR100939603B1 KR100939603B1 KR1020020086060A KR20020086060A KR100939603B1 KR 100939603 B1 KR100939603 B1 KR 100939603B1 KR 1020020086060 A KR1020020086060 A KR 1020020086060A KR 20020086060 A KR20020086060 A KR 20020086060A KR 100939603 B1 KR100939603 B1 KR 100939603B1
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- 239000004973 liquid crystal related substance Substances 0.000 title abstract description 50
- 239000010409 thin film Substances 0.000 claims abstract description 18
- 206010047571 Visual impairment Diseases 0.000 claims abstract description 12
- 239000003990 capacitor Substances 0.000 claims description 28
- 239000000758 substrate Substances 0.000 claims description 20
- 239000010408 film Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract description 5
- 210000002858 crystal cell Anatomy 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000000206 photolithography 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
-
- 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
- G02F1/136213—Storage capacitors associated with the pixel electrode
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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
- G02F1/136286—Wiring, e.g. gate line, drain line
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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
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- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
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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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
- G02F2201/121—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode common or background
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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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
- G02F2201/123—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode pixel
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0257—Reduction of after-image effects
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Power Engineering (AREA)
- Liquid Crystal (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims (9)
- 투명기판에 종횡으로 배열된 복수개의 화소영역을 형성하는 데이터배선 및 게이트배선;m-1번째 데이터배선에 연결된 제1소스전극, n번째 게이트배선에 연결된 제1게이트전극, 및 제1드레인전극을 포함하는 제1박막트랜지스터; 및상기 제1드레인전극에 연결된 제2소스전극, n-1번째 게이트배선에 연결된 제2게이트전극, 및 공통전압이 인가되는 제2드레인전극을 포함하는 제2박막트랜지스터를 포함하는 것을 특징으로 하는 잔상을 제거하는 액정표시장치.
- 제1항에 있어서, 상기 게이트배선과 평행하게 형성되어 상기 제2드레인전극에 공통전압을 인가하는 축적용량전극; 및상기 화소영역에 형성되어 상기 제1박막트랜지스터의 제1드레인전극으로부터 데이터전압을 인가받는 화소전극을 추가로 포함하는 것을 특징으로 하는 잔상을 제거하는 액정표시장치.
- 제2항에 있어서, 상기 제2드레인전극과 상기 축적용량전극 사이에는 절연막이 형성되고, 상기 절연막에 형성된 콘택홀을 통해 제2드레인전극과 축적용량전극이 전기적으로 연결되는 것을 특징으로 하는 잔상을 제거하는 액정표시장치.
- 제1항에 있어서, 상기 데이터배선과 평행하게 형성된 복수개의 화소전극 및 복수개의 공통전극을 추가로 포함하고, 상기 공통전극에 의해 상기 제2드레인전극에 공통전압이 인가되는 것을 특징으로 하는 잔상을 제거하는 액정표시장치.
- 제4항에 있어서, 상기 제2드레인전극과 상기 공통전극 사이에는 절연막이 형성되고, 상기 절연막에 형성된 콘택홀을 통해 상기 제2드레인전극과 상기 공통전극이 전기적으로 연결되는 것을 특징으로 하는 잔상을 제거하는 액정표시장치.
- 투명기판에 종횡으로 배열되어 복수개의 화소영역을 형성하는 데이터배선 및 게이트배선;m-1번째 데이터배선에 연결된 제1소스전극, n번째 게이트배선에 연결된 제1게이트전극, 및 제1드레인전극을 포함하는 제1박막트랜지스터;상기 제1드레인전극에 연결된 제2소스전극, n-1번째 게이트배선에 연결된 제2게이트전극, 및 제2드레인전극을 포함하는 제2박막트랜지스터;상기 게이트배선과 평행하게 형성되고, 상기 제2드레인전극에 공통전압을 인가하는 축적용량전극; 및상기 화소영역에 형성되어 상기 제1드레인전극과 제2소스전극에 전기적으로 연결되는 화소전극을 포함하는 것을 특징으로 하는 잔상을 제거하는 액정표시장치.
- 제6항에 있어서, 상기 제2드레인전극과 상기 축적용량전극 사이에는 절연막 이 형성되고, 상기 절연막에 형성된 콘택홀을 통해 제2드레인전극과 축적용량전극이 전기적으로 연결되는 것을 특징으로 하는 잔상을 제거하는 액정표시장치.
- 투명기판에 종횡으로 배열된 복수개의 데이터배선 및 복수개의 게이트배선;m-1번째 데이터배선에 연결된 제1소스전극, n번째 게이트배선에 연결된 제1게이트전극, 및 제1드레인전극을 포함하는 제1박막트랜지스터;상기 제1드레인전극에 연결된 제2소스전극, n-1번째 게이트배선에 연결된 제2게이트전극, 및 제2드레인전극을 포함하는 제2박막트랜지스터;상기 데이터배선과 평행하게 형성되고, 상기 제2소스전극 및 제1드레인전극에 연결된 복수개의 화소전극; 및상기 데이터배선과 평행하게 형성되고, 상기 제2드레인전극에 전기적으로 연결된 복수개의 공통전극을 포함하는 것을 특징으로 하는 잔상을 제거하는 액정표시장치.
- 제8항에 있어서, 상기 제2드레인전극과 상기 공통전극 사이에는 절연막이 형성되고, 상기 절연막에 형성된 콘택홀을 통해 제2드레인전극과 공통전극이 전기적으로 연결되는 것을 특징으로 하는 잔상을 제거하는 액정표시장치.
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KR1020020086060A KR100939603B1 (ko) | 2002-12-28 | 2002-12-28 | 잔상을 제거하는 액정표시장치 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103018988A (zh) * | 2012-12-06 | 2013-04-03 | 京东方科技集团股份有限公司 | 一种tft-lcd阵列基板及制作方法、显示装置 |
Families Citing this family (1)
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KR101480002B1 (ko) * | 2008-02-20 | 2015-01-08 | 삼성디스플레이 주식회사 | 표시 장치 및 그 구동 방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06202073A (ja) * | 1992-12-28 | 1994-07-22 | Hitachi Ltd | アクティブマトリクス型液晶表示装置 |
KR20000007218U (ko) * | 1998-09-29 | 2000-04-25 | 김영환 | 액정 표시 소자 |
KR100494694B1 (ko) | 2001-10-05 | 2005-06-13 | 비오이 하이디스 테크놀로지 주식회사 | 박막트랜지스터 액정표시장치 |
KR100687329B1 (ko) | 2000-12-28 | 2007-02-27 | 비오이 하이디스 테크놀로지 주식회사 | 액정표시장치와 그 제조방법 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06202073A (ja) * | 1992-12-28 | 1994-07-22 | Hitachi Ltd | アクティブマトリクス型液晶表示装置 |
KR20000007218U (ko) * | 1998-09-29 | 2000-04-25 | 김영환 | 액정 표시 소자 |
KR100687329B1 (ko) | 2000-12-28 | 2007-02-27 | 비오이 하이디스 테크놀로지 주식회사 | 액정표시장치와 그 제조방법 |
KR100494694B1 (ko) | 2001-10-05 | 2005-06-13 | 비오이 하이디스 테크놀로지 주식회사 | 박막트랜지스터 액정표시장치 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103018988A (zh) * | 2012-12-06 | 2013-04-03 | 京东方科技集团股份有限公司 | 一种tft-lcd阵列基板及制作方法、显示装置 |
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