IL108974A - Device and method for testing a display panel - Google Patents
Device and method for testing a display panelInfo
- Publication number
- IL108974A IL108974A IL10897494A IL10897494A IL108974A IL 108974 A IL108974 A IL 108974A IL 10897494 A IL10897494 A IL 10897494A IL 10897494 A IL10897494 A IL 10897494A IL 108974 A IL108974 A IL 108974A
- Authority
- IL
- Israel
- Prior art keywords
- panel
- pixels
- pixel
- image
- sensor
- Prior art date
Links
Classifications
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/0007—Image acquisition
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/60—Analysis of geometric attributes
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Geometry (AREA)
- Quality & Reliability (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL10897494A IL108974A (en) | 1994-03-14 | 1994-03-14 | Device and method for testing a display panel |
US08/402,141 US5771068A (en) | 1994-03-14 | 1995-03-10 | Apparatus and method for display panel inspection |
TW084102320A TW315574B (ko) | 1994-03-14 | 1995-03-11 | |
EP95301647A EP0672933A1 (en) | 1994-03-14 | 1995-03-13 | Apparatus and method for display panel inspection |
JP7053884A JPH0868976A (ja) | 1994-03-14 | 1995-03-14 | 表示パネル検査装置及び検査方法 |
KR1019950005238A KR950033565A (ko) | 1994-03-14 | 1995-03-14 | 디스플레이 패널 검사를 위한 장치와 방법 |
US09/099,494 US6215895B1 (en) | 1994-03-14 | 1998-06-18 | Apparatus and method for display panel inspection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL10897494A IL108974A (en) | 1994-03-14 | 1994-03-14 | Device and method for testing a display panel |
Publications (2)
Publication Number | Publication Date |
---|---|
IL108974A0 IL108974A0 (en) | 1994-06-24 |
IL108974A true IL108974A (en) | 1999-11-30 |
Family
ID=11065931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL10897494A IL108974A (en) | 1994-03-14 | 1994-03-14 | Device and method for testing a display panel |
Country Status (6)
Country | Link |
---|---|
US (2) | US5771068A (ko) |
EP (1) | EP0672933A1 (ko) |
JP (1) | JPH0868976A (ko) |
KR (1) | KR950033565A (ko) |
IL (1) | IL108974A (ko) |
TW (1) | TW315574B (ko) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL108974A (en) * | 1994-03-14 | 1999-11-30 | Orbotech Ltd | Device and method for testing a display panel |
JP2898269B1 (ja) * | 1998-03-02 | 1999-05-31 | 日本放送協会 | 映像検査装置、方法および記録媒体 |
US6714670B1 (en) * | 1998-05-20 | 2004-03-30 | Cognex Corporation | Methods and apparatuses to determine the state of elements |
JP3828283B2 (ja) * | 1998-06-04 | 2006-10-04 | 株式会社アドバンテスト | フラットパネル表示器検査用画像取得方法、フラットパネル表示器検査用画像取得装置 |
IL126866A (en) | 1998-11-02 | 2003-02-12 | Orbotech Ltd | Apparatus and method for fabricating flat workpieces |
TW417133B (en) * | 1998-11-25 | 2001-01-01 | Koninkl Philips Electronics Nv | Method of manufacturing a cathode ray tube, in which a display screen is inspected |
US6831995B1 (en) * | 1999-03-23 | 2004-12-14 | Hitachi, Ltd. | Method for detecting a defect in a pixel of an electrical display unit and a method for manufacturing an electrical display unit |
US7373015B2 (en) * | 1999-12-15 | 2008-05-13 | Sharp Kabushiki Kaisha | Image processing device and method |
DE10046845C2 (de) * | 2000-09-20 | 2003-08-21 | Fresenius Medical Care De Gmbh | Verfahren und Vorrichtung zur Funktionsprüfung einer Anzeigeeinrichtung eines medizinisch-technischen Gerätes |
EP1472668A2 (en) * | 2001-09-14 | 2004-11-03 | American Panel Corporation | Visual display testing, optimization and harmonization method and system |
US6712466B2 (en) * | 2001-10-25 | 2004-03-30 | Ophthonix, Inc. | Eyeglass manufacturing method using variable index layer |
DE10228579A1 (de) * | 2002-06-26 | 2004-01-15 | Rohde & Schwarz Gmbh & Co. Kg | Verfahren und Vorrichtung zum Messen der Bildqualität des Displays eines Mobiltelefons |
KR20040045173A (ko) * | 2002-11-22 | 2004-06-01 | 갈란트 프리시젼 머시닝 캄파니, 리미티드 | 교대 팰릿을 갖춘 검사 시스템 |
KR100471084B1 (ko) * | 2002-12-16 | 2005-03-10 | 삼성전자주식회사 | 영상처리시스템 및 영상처리방법 |
JP2005017116A (ja) * | 2003-06-26 | 2005-01-20 | Sharp Corp | 光学式エンコーダ用受光素子 |
GB0318000D0 (en) * | 2003-07-31 | 2003-09-03 | Ncr Int Inc | Mobile applications |
KR100955486B1 (ko) * | 2004-01-30 | 2010-04-30 | 삼성전자주식회사 | 디스플레이 패널의 검사장치 및 검사방법 |
US8184923B2 (en) | 2004-04-19 | 2012-05-22 | Semiconductor Energy Laboratory Co., Ltd. | Image analysis method, image analysis program, pixel evaluation system having the image analysis method, and pixel evaluation system having the image analysis program |
US20050286753A1 (en) * | 2004-06-25 | 2005-12-29 | Triant Technologies Inc. | Automated inspection systems and methods |
KR20070039604A (ko) * | 2004-07-23 | 2007-04-12 | 넥스텍 솔루션즈 인크. | 대형 기판 평탄 패널의 검사 시스템 |
JP4353479B2 (ja) * | 2004-10-08 | 2009-10-28 | 大日本スクリーン製造株式会社 | ムラ検査装置、ムラ検査方法、および、濃淡ムラをコンピュータに検査させるプログラム |
KR20060044032A (ko) * | 2004-11-11 | 2006-05-16 | 삼성전자주식회사 | 표시패널용 검사 장치 및 이의 검사 방법 |
US8436632B2 (en) * | 2008-06-27 | 2013-05-07 | American Panel Corporation | System and method for optimizing LCD displays |
KR20100072762A (ko) * | 2008-12-22 | 2010-07-01 | 삼성전자주식회사 | 물체 정보 제공장치, 물체 인식 장치 및 물체 인식 시스템 |
US9035673B2 (en) * | 2010-01-25 | 2015-05-19 | Palo Alto Research Center Incorporated | Method of in-process intralayer yield detection, interlayer shunt detection and correction |
KR20140091916A (ko) * | 2013-01-14 | 2014-07-23 | 삼성디스플레이 주식회사 | 디스플레이 패널 검사방법 |
CN104977304A (zh) * | 2015-06-26 | 2015-10-14 | 清华大学 | 具有子像素结构的空间光调制器缺陷检测的装置及方法 |
CN112689752A (zh) * | 2018-09-20 | 2021-04-20 | 美国西门子医学诊断股份有限公司 | 用于对基于视觉的检查系统的光学组件进行自主诊断验证的系统、方法和装置 |
KR102668970B1 (ko) * | 2018-12-14 | 2024-05-24 | 삼성디스플레이 주식회사 | 비전 검사 장치 및 이의 구동 방법 |
CN112837620B (zh) | 2021-01-22 | 2023-07-04 | 武汉京东方光电科技有限公司 | 柔性显示屏及电子设备 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL72878A (en) * | 1984-09-06 | 1988-10-31 | Tadiran Ltd | Reconnaissance system |
US5245328A (en) * | 1988-10-14 | 1993-09-14 | Compaq Computer Corporation | Method and apparatus for displaying different shades of gray on a liquid crystal display |
US5012314A (en) * | 1989-03-31 | 1991-04-30 | Mitsubishi Denki Kabushiki Kaisha | Liquid crystal display restoring apparatus |
US5020116A (en) * | 1989-12-13 | 1991-05-28 | Hughes Aircraft Company | Image registration method and apparatus |
US5177437A (en) * | 1990-08-08 | 1993-01-05 | Photon Dynamics, Inc. | High-density optically-addressable circuit board probe panel and method for use |
JPH0634142B2 (ja) * | 1990-09-26 | 1994-05-02 | ミナトエレクトロニクス株式会社 | 表示素子検査方式 |
JPH04158238A (ja) * | 1990-10-22 | 1992-06-01 | Ezel Inc | 液晶パネルの検査方法 |
US5081687A (en) * | 1990-11-30 | 1992-01-14 | Photon Dynamics, Inc. | Method and apparatus for testing LCD panel array prior to shorting bar removal |
US5235272A (en) * | 1991-06-17 | 1993-08-10 | Photon Dynamics, Inc. | Method and apparatus for automatically inspecting and repairing an active matrix LCD panel |
US5402170A (en) * | 1991-12-11 | 1995-03-28 | Eastman Kodak Company | Hand-manipulated electronic camera tethered to a personal computer |
JPH07507139A (ja) * | 1992-03-16 | 1995-08-03 | フォトン・ダイナミクス・インコーポレーテッド | フラット・パネル・ディスプレイ検査システム |
JPH06230744A (ja) * | 1993-02-05 | 1994-08-19 | Fuji Electric Co Ltd | フラットディスプレイの表示検査方法およびその検査 装置 |
JPH06236162A (ja) * | 1993-02-09 | 1994-08-23 | Sharp Corp | カラー液晶パネル欠陥検査方法および装置 |
JPH06250139A (ja) * | 1993-02-23 | 1994-09-09 | Casio Comput Co Ltd | 液晶表示パネルの検査方法 |
IL108974A (en) * | 1994-03-14 | 1999-11-30 | Orbotech Ltd | Device and method for testing a display panel |
-
1994
- 1994-03-14 IL IL10897494A patent/IL108974A/en active IP Right Grant
-
1995
- 1995-03-10 US US08/402,141 patent/US5771068A/en not_active Expired - Fee Related
- 1995-03-11 TW TW084102320A patent/TW315574B/zh active
- 1995-03-13 EP EP95301647A patent/EP0672933A1/en not_active Withdrawn
- 1995-03-14 JP JP7053884A patent/JPH0868976A/ja active Pending
- 1995-03-14 KR KR1019950005238A patent/KR950033565A/ko not_active Application Discontinuation
-
1998
- 1998-06-18 US US09/099,494 patent/US6215895B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
IL108974A0 (en) | 1994-06-24 |
KR950033565A (ko) | 1995-12-26 |
US6215895B1 (en) | 2001-04-10 |
US5771068A (en) | 1998-06-23 |
EP0672933A1 (en) | 1995-09-20 |
JPH0868976A (ja) | 1996-03-12 |
TW315574B (ko) | 1997-09-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Patent granted | ||
KB | Patent renewed |