KR20080067137A - 평판표시장치의 이물 검사기 - Google Patents
평판표시장치의 이물 검사기 Download PDFInfo
- Publication number
- KR20080067137A KR20080067137A KR1020070004329A KR20070004329A KR20080067137A KR 20080067137 A KR20080067137 A KR 20080067137A KR 1020070004329 A KR1020070004329 A KR 1020070004329A KR 20070004329 A KR20070004329 A KR 20070004329A KR 20080067137 A KR20080067137 A KR 20080067137A
- Authority
- KR
- South Korea
- Prior art keywords
- light
- substrate
- flat panel
- panel display
- foreign material
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/94—Investigating contamination, e.g. dust
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Signal Processing (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
Description
Claims (4)
- 기판 표면에 존재하는 이물의 위치 및 크기를 검출하기 위한 이물 검사기에 있어서,기판의 측면에 배치되어 대상물을 향해 수평 방향으로 광을 조사하는 측광 발생부;상기 측광 발생부로부터 조사되어 이물에서 반사된 광을 수광하도록, 기판의 상부에 배치되는 결상 렌즈;상기 결상렌즈에 수광된 광의 세기를 나타내도록, 상기 결상 렌즈의 상부에 배치되는 촬상수단을 포함하는 것을 특징으로 하는 평판표시장치의 이물 검사기.
- 제1항에 있어서,상기 촬상수단은 CCD(Charge Coupled Device)로 이루어진 것을 특징으로 하는 평판표시장치의 이물 검사기.
- 제1항에 있어서,상기 촬상수단은 CMOS(Complementary Metal Oxide Semiconductor)로 이루어진 것을 특징으로 하는 평판표시장치의 이물 검사기.
- 제2항 또는 제3항에 있어서,상기 측광 발생부는 기판의 네 측면 중 적어도 두 개 이상의 측면에 배치되는 것을 특징으로 하는 평판표시장치의 이물 검사기.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070004329A KR101042143B1 (ko) | 2007-01-15 | 2007-01-15 | 평판표시장치의 이물 검사기 |
TW096108475A TW200829909A (en) | 2007-01-15 | 2007-03-13 | Device for detecting foreign object on flat panel display |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070004329A KR101042143B1 (ko) | 2007-01-15 | 2007-01-15 | 평판표시장치의 이물 검사기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080067137A true KR20080067137A (ko) | 2008-07-18 |
KR101042143B1 KR101042143B1 (ko) | 2011-06-16 |
Family
ID=39821516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070004329A KR101042143B1 (ko) | 2007-01-15 | 2007-01-15 | 평판표시장치의 이물 검사기 |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR101042143B1 (ko) |
TW (1) | TW200829909A (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9488598B2 (en) | 2014-06-02 | 2016-11-08 | Samsung Display Co., Ltd. | Inspecting apparatus for inspecting a multilayer structure |
JP2017523394A (ja) * | 2014-05-29 | 2017-08-17 | コーニング インコーポレイテッド | フレキシブル基板上の粒子検出方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101809009B1 (ko) | 2017-08-02 | 2017-12-15 | 주식회사 제덱스 | 투명 또는 반투명 필름의 표면 이물 검출기 |
KR101970220B1 (ko) | 2018-11-20 | 2019-04-18 | 주식회사 제덱스 | 여과재를 이용한 유체 중의 실시간 이물 계수 장치 |
KR20200060015A (ko) | 2018-11-22 | 2020-05-29 | 두영솔루션(주) | 대형 글라스 기판 노광장치의 이물질 검사장치 |
CN110007493B (zh) * | 2019-03-28 | 2021-08-20 | 凌云光技术股份有限公司 | 液晶显示屏中碎亮点检测方法 |
CN110658207A (zh) * | 2019-09-30 | 2020-01-07 | 武汉精立电子技术有限公司 | 一种区分非偏光膜内与膜外异物的检测方法及装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000230910A (ja) * | 1999-02-12 | 2000-08-22 | Advanced Display Inc | 基板の付着異物検査装置および付着異物除去装置および付着異物除去方法 |
JP4662424B2 (ja) * | 2003-12-16 | 2011-03-30 | 株式会社日立ハイテクノロジーズ | ガラス基板の検査方法及び検査装置、並びに表示用パネルの製造方法 |
-
2007
- 2007-01-15 KR KR1020070004329A patent/KR101042143B1/ko active IP Right Grant
- 2007-03-13 TW TW096108475A patent/TW200829909A/zh unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017523394A (ja) * | 2014-05-29 | 2017-08-17 | コーニング インコーポレイテッド | フレキシブル基板上の粒子検出方法 |
US9488598B2 (en) | 2014-06-02 | 2016-11-08 | Samsung Display Co., Ltd. | Inspecting apparatus for inspecting a multilayer structure |
Also Published As
Publication number | Publication date |
---|---|
KR101042143B1 (ko) | 2011-06-16 |
TW200829909A (en) | 2008-07-16 |
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