KR100940073B1 - 엘시디의 분할촬영을 이용한 불량검출방법 - Google Patents
엘시디의 분할촬영을 이용한 불량검출방법 Download PDFInfo
- Publication number
- KR100940073B1 KR100940073B1 KR1020080035733A KR20080035733A KR100940073B1 KR 100940073 B1 KR100940073 B1 KR 100940073B1 KR 1020080035733 A KR1020080035733 A KR 1020080035733A KR 20080035733 A KR20080035733 A KR 20080035733A KR 100940073 B1 KR100940073 B1 KR 100940073B1
- Authority
- KR
- South Korea
- Prior art keywords
- lcd
- image
- light
- photographing
- pattern
- Prior art date
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Classifications
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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
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F5/00—Screening processes; Screens therefor
- G03F5/22—Screening processes; Screens therefor combining several screens; Elimination of moiré
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
- G06F18/2163—Partitioning the feature space
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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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Data Mining & Analysis (AREA)
- Nonlinear Science (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Bioinformatics & Computational Biology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Artificial Intelligence (AREA)
- Evolutionary Biology (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Optics & Photonics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Liquid Crystal (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
Description
Claims (2)
- 삭제
- 엘시디에 검사 패턴을 점등하고 점등된 검사 패턴을 촬영한 후 촬영하여 얻어진 이미지의 광량을 측정하여 엘시디의 불량을 검출하는 방법에 있어서,엘시디에 하나의 검사 패턴을 서브 픽셀들 간 빛의 간섭으로 인한 모아레 현성을 제거하기 위하여 짝수 라인 짝수 열, 짝수 라인 홀수 열, 홀수 라인 짝수 열 및 홀수 라인 홀수 열과 같은 4개로 분할하여 점등하고,화상 카메라로 분할 점등된 각각의 검사 패턴을 촬영한 후,화상 카메라로 촬영하여 얻어진 4개의 분할 이미지를 하나의 이미지로 합하고 그 이미지의 광량을 측정하여 엘시디의 불량을 검출하는 것을 특징으로 하는 엘시디의 분할촬영을 이용한 불량검출방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080035733A KR100940073B1 (ko) | 2008-04-17 | 2008-04-17 | 엘시디의 분할촬영을 이용한 불량검출방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080035733A KR100940073B1 (ko) | 2008-04-17 | 2008-04-17 | 엘시디의 분할촬영을 이용한 불량검출방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090110116A KR20090110116A (ko) | 2009-10-21 |
KR100940073B1 true KR100940073B1 (ko) | 2010-02-03 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020080035733A KR100940073B1 (ko) | 2008-04-17 | 2008-04-17 | 엘시디의 분할촬영을 이용한 불량검출방법 |
Country Status (1)
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KR (1) | KR100940073B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106569353B (zh) * | 2015-10-12 | 2019-12-10 | 比亚迪股份有限公司 | 液晶显示器显示串扰的测量方法和装置 |
WO2018176261A1 (zh) * | 2017-03-29 | 2018-10-04 | 深圳配天智能技术研究院有限公司 | 一种检测参数确定方法和检测装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040060752A (ko) * | 2002-12-27 | 2004-07-06 | 산업기술 연구재단 | 디스플레이 장치 검사 시스템 및 방법 |
KR100586790B1 (ko) | 2003-05-06 | 2006-06-08 | 주식회사 아이티오테크 | 발광셀 누설전류 검출방법과 이를 이용한 발광셀 어레이검사방법 및 장치 |
-
2008
- 2008-04-17 KR KR1020080035733A patent/KR100940073B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040060752A (ko) * | 2002-12-27 | 2004-07-06 | 산업기술 연구재단 | 디스플레이 장치 검사 시스템 및 방법 |
KR100586790B1 (ko) | 2003-05-06 | 2006-06-08 | 주식회사 아이티오테크 | 발광셀 누설전류 검출방법과 이를 이용한 발광셀 어레이검사방법 및 장치 |
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KR20090110116A (ko) | 2009-10-21 |
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