KR100987890B1 - 액정표시소자의 검사장치 및 그 검사방법 - Google Patents
액정표시소자의 검사장치 및 그 검사방법 Download PDFInfo
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- KR100987890B1 KR100987890B1 KR1020030080296A KR20030080296A KR100987890B1 KR 100987890 B1 KR100987890 B1 KR 100987890B1 KR 1020030080296 A KR1020030080296 A KR 1020030080296A KR 20030080296 A KR20030080296 A KR 20030080296A KR 100987890 B1 KR100987890 B1 KR 100987890B1
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- transparent electrode
- modulator
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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
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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
- G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
- G02F1/166—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
- G02F1/167—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
-
- 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
- G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
- G02F1/1675—Constructional details
- G02F1/16757—Microcapsules
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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
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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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
- G02F1/136254—Checking; Testing
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
Description
Claims (21)
- 제1투명전극을 포함하는 검사하고자 하는 TFT(thin film transistor) 어레이기판;상기 TFT 어레이기판 상부에 설치되고, 투명한 기판 위에 상기 제1투명전극과 동일한 물질로 형성된 제2투명전극 및 탈, 부착이 가능하여 상기 TFT 어레이기판의 크기에 따라 교체가 가능한 MEP(microencapsulated electrophoretic)필름을 포함하는 모듈레이터; 및상기 모듈레이터 상부에 설치되어 이미지의 밝기를 측정하는 카메라를 포함하여 구성된되며, 상기 MEP필름은 빛을 반사시키는 화이트잉크를 포함하고 있어 상기 MEP필름 외측에 반사판을 형성할 필요가 없는 것을 특징으로 하는 액정표시소자의 검사장치.
- 제1항에 있어서, 상기 제2투명전극은 상기 투명한 기판과 MEP필름 사이에 개재된 것을 특징으로 하는 액정표시소자의 검사장치.
- 제1항에 있어서, 상기 MEP필름은 폴리머바인더(polymer binder)와 전자잉크 (electronic ink)를 포함하여 구성된 것을 특징으로 하는 액정표시소자의 검사장치.
- 제3항에 있어서, 상기 전자잉크는 빛을 반사시키는 화이트잉크와 빛을 흡수하는 블랙잉크로 구성된 것을 특징으로 하는 액정표시소자의 검사장치.
- 제4항에 있어서, 상기 화이트잉크는 양전하를 띄고, 상기 블랙잉크는 음전하를 띄는 것을 특징으로 하는 액정표시소자의 검사장치.
- 제4항에 있어서, 상기 화이트잉크는 음전하를 띄고, 상기 블랙잉크는 양전하를 띄는 것을 특징으로 하는 액정표시소자의 검사장치.
- 제1항에 있어서, 상기 모듈레이터에 광을 조사하는 광원을 추가로 포함하여 구성된 것을 특징으로 하는 액정표시소자의 검사장치.
- 제1항에 있어서, 상기 TFT 어레이기판은투명한 기판;상기 투명한 기판 위에 종횡으로 배열되어 화소영역을 정의하는 복수의 게이트라인 및 데이터라인;상기 게이트라인과 데이터라인의 교차영역에 형성된 박막트랜지스터; 및상기 화소영역에 형성되어, 상기 박막트랜지스터와 전기적으로 접속하는 화소전극을 포함하여 구성된 액정표시소자의 검사장치.
- 제1투명전극을 포함하는 검사하고자 하는 TFT(thin film transistor) 어레이기판;상기 TFT 어레이기판 상부에 설치되고, 투명한 기판 위에 상기 제1투명전극과 동일한 물질로 형성된 제2투명전극 및 탈, 부착이 가능하여 상기 TFT 어레이기판의 크기에 따라 교체가 가능한 전자종이(electronic paper)를 포함하는 모듈레이터; 및상기 모듈레이터 상부에 설치되어 이미지의 밝기를 측정하는 카메라를 포함하여 구성되며, 상기 전자종이는 빛을 반사시키는 화이트입자를 포함하고 있어 상기 전자종이 외측에 반사판을 형성할 필요가 없는 것을 특징으로 하는 액정표시소자의 검사장치.
- 제9항에 있어서, 상기 전자종이는 반구가 각각 빛을 반사시키는 화이트입자와 빛을 흡수하는 블랙입자로 이루어진 볼로 구성된 것을 특징으로 하는 액정표시소자의 검사장치.
- 제10항에 있어서, 상기 화이트입자는 이산화타이타늄이고, 블랙입자는 탄소인 것을 특징으로 하는 액정표시소자의 검사장치.
- 제10항에 있어서, 상기 화이트입자는 음전하이고, 블랙입자는 양전하 특성을 갖는 것을 특징으로 하는 액정표시소자의 검사장치.
- 제10항에 있어서, 상기 화이트입자는 양전하이고, 블랙입자는 음전하 특성을 갖는 것을 특징으로 하는 액정표시소자의 검사장치.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 제1투명전극을 포함하는 검사대상 기판을 제공하는 단계;상기 검사대상 기판과 소정간격 이격되어 배치되며, 상기 제1투명전극과 동일한 물질로 이루어진 제2투명전극 및 탈, 부착이 가능한 전기영동필름(electrophoretic layer)으로 구성된 모듈레이터를 위치시키는 단계;상기 모듈레이터에 광을 조사하는 단계;상기 제1투명전극 및 제2투명전극 사이에 전압을 인가하는 단계;상기 제1투명전극 및 제2투명전극의 전압에 의해 동일극성끼리 상·하로 분리된 전자잉크에 반사 또는 흡수(비반사)되어 나오는 광의 밝기를 카메라를 통해 관측하는 단계를 포함하여 이루어지며, 상기 전기영동필름은 빛을 반사시키는 화이트잉크를 포함하고 있어 상기 전기영동필름 외측에 반사판을 형성할 필요가 없기 때문에 탈, 부착이 가능하여 상기 검사대상 기판의 크기에 따라 상기 전기영동필름을 교체하여 사용하는 것을 특징으로 하는 액정표시소자의 검사방법.
- 삭제
- 제19항에 있어서, 상기 전기영동필름은 검사대상 기판의 최대크기에 대응하도록 셋팅하며, 프로그램의 변경을 통해 크기가 다양한 검사대상 기판을 교체하는 것을 특징으로 하는 액정표시소자의 검사방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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KR1020030080296A KR100987890B1 (ko) | 2003-11-13 | 2003-11-13 | 액정표시소자의 검사장치 및 그 검사방법 |
JP2004328510A JP2005148743A (ja) | 2003-11-13 | 2004-11-12 | 液晶表示素子の検査装置及びその検査方法 |
US10/985,911 US7477369B2 (en) | 2003-11-13 | 2004-11-12 | Apparatus for testing liquid crystal display device and testing method thereof |
CNB2004100886697A CN100374869C (zh) | 2003-11-13 | 2004-11-15 | 用于测试液晶显示器件的装置及其测试方法 |
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KR1020030080296A KR100987890B1 (ko) | 2003-11-13 | 2003-11-13 | 액정표시소자의 검사장치 및 그 검사방법 |
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KR20050046263A KR20050046263A (ko) | 2005-05-18 |
KR100987890B1 true KR100987890B1 (ko) | 2010-10-13 |
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KR1020030080296A Expired - Fee Related KR100987890B1 (ko) | 2003-11-13 | 2003-11-13 | 액정표시소자의 검사장치 및 그 검사방법 |
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US (1) | US7477369B2 (ko) |
JP (1) | JP2005148743A (ko) |
KR (1) | KR100987890B1 (ko) |
CN (1) | CN100374869C (ko) |
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US9581842B2 (en) | 2013-09-23 | 2017-02-28 | Samsung Display Co., Ltd. | Liquid crystal modulator for detecting a defective substrate and inspection apparatus having the same |
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US10115034B2 (en) | 2013-05-01 | 2018-10-30 | Life Technologies Holdings Pte Limited | Method and system for projecting image with differing exposure times |
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JP3775790B2 (ja) * | 2002-08-07 | 2006-05-17 | 株式会社日立国際電気 | 画像処理システム |
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2003
- 2003-11-13 KR KR1020030080296A patent/KR100987890B1/ko not_active Expired - Fee Related
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2004
- 2004-11-12 US US10/985,911 patent/US7477369B2/en not_active Expired - Lifetime
- 2004-11-12 JP JP2004328510A patent/JP2005148743A/ja active Pending
- 2004-11-15 CN CNB2004100886697A patent/CN100374869C/zh not_active Expired - Fee Related
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JPH05303068A (ja) * | 1992-04-27 | 1993-11-16 | Alps Electric Co Ltd | ディスプレイ基板の検査装置及びその検査方法 |
JP2003029305A (ja) * | 2001-05-09 | 2003-01-29 | Fujitsu Ltd | シート型表示装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9581842B2 (en) | 2013-09-23 | 2017-02-28 | Samsung Display Co., Ltd. | Liquid crystal modulator for detecting a defective substrate and inspection apparatus having the same |
Also Published As
Publication number | Publication date |
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US7477369B2 (en) | 2009-01-13 |
JP2005148743A (ja) | 2005-06-09 |
KR20050046263A (ko) | 2005-05-18 |
CN1616977A (zh) | 2005-05-18 |
CN100374869C (zh) | 2008-03-12 |
US20050104615A1 (en) | 2005-05-19 |
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