TW200502555A - Image display device, drive circuit device and defect detection method of light-emitting diode - Google Patents
Image display device, drive circuit device and defect detection method of light-emitting diodeInfo
- Publication number
- TW200502555A TW200502555A TW093108763A TW93108763A TW200502555A TW 200502555 A TW200502555 A TW 200502555A TW 093108763 A TW093108763 A TW 093108763A TW 93108763 A TW93108763 A TW 93108763A TW 200502555 A TW200502555 A TW 200502555A
- Authority
- TW
- Taiwan
- Prior art keywords
- light
- defect detection
- emitting diodes
- drive circuit
- image display
- Prior art date
Links
Classifications
-
- 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
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
-
- 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
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2085—Special arrangements for addressing the individual elements of the matrix, other than by driving respective rows and columns in combination
-
- 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
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2085—Special arrangements for addressing the individual elements of the matrix, other than by driving respective rows and columns in combination
- G09G3/2088—Special arrangements for addressing the individual elements of the matrix, other than by driving respective rows and columns in combination with use of a plurality of processors, each processor controlling a number of individual elements of the matrix
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/12—Test circuits or failure detection circuits included in a display system, as permanent part thereof
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of El Displays (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Led Devices (AREA)
- Transforming Electric Information Into Light Information (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003100117A JP3882773B2 (ja) | 2003-04-03 | 2003-04-03 | 画像表示装置、駆動回路装置および発光ダイオードの不良検出方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200502555A true TW200502555A (en) | 2005-01-16 |
TWI263055B TWI263055B (en) | 2006-10-01 |
Family
ID=33095224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW093108763A TWI263055B (en) | 2003-04-03 | 2004-03-30 | Image display device, drive circuit device and defect detection method of light-emitting diode |
Country Status (5)
Country | Link |
---|---|
US (1) | US7023232B2 (zh) |
JP (1) | JP3882773B2 (zh) |
KR (1) | KR101033213B1 (zh) |
CN (1) | CN100423045C (zh) |
TW (1) | TWI263055B (zh) |
Cited By (2)
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---|---|---|---|---|
TWI739547B (zh) * | 2019-08-13 | 2021-09-11 | 聯詠科技股份有限公司 | 發光二極體驅動裝置與發光二極體驅動器 |
US11170702B2 (en) | 2019-08-13 | 2021-11-09 | Novatek Microelectronics Corp. | Light-emitting diode driving apparatus and light-emitting diode driver |
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DE20306789U1 (de) * | 2003-04-30 | 2003-09-04 | Tiede Gmbh & Co Risspruefanlagen | Handlampe, insbesondere für die magnetische Rißprüfung |
JP2005258128A (ja) * | 2004-03-12 | 2005-09-22 | Tohoku Pioneer Corp | 自発光表示モジュールおよび同モジュールを搭載した電子機器、ならびに同モジュールにおける欠陥状態の検証方法 |
JP4281622B2 (ja) * | 2004-05-31 | 2009-06-17 | ソニー株式会社 | 表示装置及び検査方法 |
US9318053B2 (en) * | 2005-07-04 | 2016-04-19 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and driving method thereof |
JP4791794B2 (ja) * | 2005-10-21 | 2011-10-12 | パナソニック株式会社 | Led照明用アタッチメント |
JP2007161012A (ja) * | 2005-12-12 | 2007-06-28 | Koito Mfg Co Ltd | 車両用発光装置 |
KR100752390B1 (ko) * | 2005-12-15 | 2007-08-27 | 주식회사 에이텍 | 영상기기의 고장 검출 장치 |
JP2007164087A (ja) * | 2005-12-16 | 2007-06-28 | Seiko Epson Corp | 半導体集積回路及びそれを用いた表示モジュール |
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JP5320738B2 (ja) * | 2007-12-28 | 2013-10-23 | ソニー株式会社 | 発光制御システムおよび画像表示システム |
EP2246838A4 (en) * | 2008-02-27 | 2011-11-30 | Panasonic Corp | DEVICE AND METHOD FOR CONTROLLING A PLASMA DISPLAY PANEL, AND PLASMA DISPLAY DEVICE |
CN101646286A (zh) * | 2008-08-07 | 2010-02-10 | 晶锜科技股份有限公司 | 发光二极管的驱动电路及其驱动方法 |
US8843331B2 (en) * | 2008-08-21 | 2014-09-23 | Microsemi Corporation | Light emitting diode fault monitoring |
GB0819448D0 (en) * | 2008-10-23 | 2008-12-03 | Cambridge Display Tech Ltd | Connected display pixel drive chiplets |
KR101037559B1 (ko) * | 2009-03-04 | 2011-05-27 | 주식회사 실리콘웍스 | 데이터 구동부의 모니터링 수단이 구비된 디스플레이 구동 시스템 |
TW201040550A (en) * | 2009-05-15 | 2010-11-16 | Ene Technology Inc | Apparatus and method for detecting faulty diode |
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US20110043541A1 (en) * | 2009-08-20 | 2011-02-24 | Cok Ronald S | Fault detection in electroluminescent displays |
US20110109614A1 (en) * | 2009-11-12 | 2011-05-12 | Silicon Touch Technology Inc. | Driving circuit and method of light emitting diode |
CN101762772B (zh) * | 2010-01-04 | 2011-08-31 | 上海贝岭股份有限公司 | 一种用于led驱动电路的故障检测装置及其检测方法 |
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CN102435904B (zh) * | 2011-11-15 | 2014-08-20 | 深圳Tcl新技术有限公司 | Led电路错误短路故障的检测方法及检测电路 |
JP5963433B2 (ja) * | 2011-12-09 | 2016-08-03 | 三菱電機株式会社 | Led映像表示装置 |
CN102708772B (zh) * | 2012-06-25 | 2015-08-05 | 西安诺瓦电子科技有限公司 | 一种led显示屏状态检测方法 |
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US9582237B2 (en) | 2013-12-31 | 2017-02-28 | Ultravision Technologies, Llc | Modular display panels with different pitches |
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US9416551B2 (en) | 2013-12-31 | 2016-08-16 | Ultravision Technologies, Llc | Preassembled display systems and methods of installation thereof |
US20150187237A1 (en) | 2013-12-31 | 2015-07-02 | Ultravision Holdings, Llc | System and Method for a Modular Multi-Panel Display |
US9207904B2 (en) | 2013-12-31 | 2015-12-08 | Ultravision Technologies, Llc | Multi-panel display with hot swappable display panels and methods of servicing thereof |
US20150220297A1 (en) * | 2014-02-05 | 2015-08-06 | Mitsubishi Electric Power Products, Inc. | LED Video Display Remote Power Consumption Monitoring and Self-Diagnostic System |
TWI510780B (zh) * | 2014-03-20 | 2015-12-01 | Univ Nat Chiao Tung | 生物檢測設備及生物晶片 |
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US9847059B2 (en) | 2014-07-08 | 2017-12-19 | Stmicroelectronics International N.V. | Device with OLED matrix of active pixels with cathode voltage regulation, and corresponding method |
US9311847B2 (en) | 2014-07-16 | 2016-04-12 | Ultravision Technologies, Llc | Display system having monitoring circuit and methods thereof |
CN104282281B (zh) * | 2014-10-20 | 2016-11-09 | 深圳市华星光电技术有限公司 | 一种 led 背光驱动电路及其故障检测方法 |
JP6228529B2 (ja) * | 2014-11-14 | 2017-11-08 | 株式会社ニューギン | 遊技機 |
CN105657947B (zh) * | 2014-11-27 | 2019-09-24 | 法雷奥照明公司 | 电路故障检测装置、led发光设备及光和/或信号发射装置 |
KR102289459B1 (ko) * | 2015-03-11 | 2021-08-17 | 삼성디스플레이 주식회사 | 백라이트 유닛, 백라이트 유닛을 포함하는 표시 장치 및 백라이트 유닛의 동작 방법 |
CN104991181B (zh) * | 2015-06-24 | 2018-06-19 | 南京铁道职业技术学院 | 一种智能led判别仪 |
KR102529271B1 (ko) | 2015-11-03 | 2023-05-08 | 삼성전자주식회사 | 디스플레이 장치 및 이의 제어 방법 |
DE112017004590T5 (de) * | 2016-10-05 | 2019-06-13 | Rohm Co., Ltd. | Anzeigetreiber-ic |
US11470702B2 (en) | 2017-01-23 | 2022-10-11 | Signify Holding B.V. | System, and method for determining a health status of a dimmable pulsed LED light string |
TWI625532B (zh) * | 2017-03-21 | 2018-06-01 | 失效偵測系統及其方法 | |
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US10989755B2 (en) * | 2017-06-20 | 2021-04-27 | Apple Inc. | Light emitting diode (LED) test apparatus and method of manufacture |
JP7088668B2 (ja) * | 2017-12-04 | 2022-06-21 | シャープ株式会社 | バックライト装置および表示装置 |
US10944337B2 (en) * | 2017-12-15 | 2021-03-09 | Texas Instruments Incorporated | Adaptive zero voltage switching (ZVS) loss detection for power converters |
US10459039B1 (en) | 2018-04-23 | 2019-10-29 | Capital One Services, Llc | Systems and methods for testing multi-element lighted displays |
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CN109870626B (zh) * | 2019-03-22 | 2020-11-06 | 北京集创北方科技股份有限公司 | 开路检测方法和led显示装置 |
WO2020244756A1 (en) * | 2019-06-05 | 2020-12-10 | Applied Materials, Inc. | Method for identifying a defect on a substrate, and apparatus for identifying a defective driver circuit on a substrate |
US11341904B2 (en) | 2019-08-13 | 2022-05-24 | Novatek Microelectronics Corp. | Light-emitting diode driving apparatus and light-emitting diode driver |
US20210049952A1 (en) * | 2019-08-13 | 2021-02-18 | Novatek Microelectronics Corp. | Light-emitting diode driving apparatus |
CN110415643A (zh) * | 2019-08-29 | 2019-11-05 | 南京浣轩半导体有限公司 | 一种自适应消除led鬼影和耦合并保护自检的电路及方法 |
US11076462B2 (en) | 2019-10-23 | 2021-07-27 | Toshiba Global Commerce Solutions Holdings Corporation | Remote counting of serially connected components using a controller |
KR20210103043A (ko) * | 2020-02-12 | 2021-08-23 | 삼성디스플레이 주식회사 | 전원 전압 생성 장치, 이의 제어 방법 및 이를 포함하는 표시 장치 |
KR102285564B1 (ko) * | 2020-04-09 | 2021-08-04 | (주)실리콘인사이드 | 고장 검출 가능한 led 백라이트 유닛 |
CN114137817B (zh) * | 2021-11-08 | 2023-04-11 | 南京熊猫电子股份有限公司 | 一种具有故障自检功能的数显子钟 |
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CN117037654A (zh) * | 2023-08-25 | 2023-11-10 | 北京显芯科技有限公司 | 一种背光模组的检测方法、ic芯片及背光模组 |
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-
2003
- 2003-04-03 JP JP2003100117A patent/JP3882773B2/ja not_active Expired - Fee Related
-
2004
- 2004-03-15 US US10/799,596 patent/US7023232B2/en not_active Expired - Fee Related
- 2004-03-25 KR KR1020040020399A patent/KR101033213B1/ko not_active IP Right Cessation
- 2004-03-30 TW TW093108763A patent/TWI263055B/zh not_active IP Right Cessation
- 2004-04-02 CN CNB2004100323521A patent/CN100423045C/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI739547B (zh) * | 2019-08-13 | 2021-09-11 | 聯詠科技股份有限公司 | 發光二極體驅動裝置與發光二極體驅動器 |
US11170702B2 (en) | 2019-08-13 | 2021-11-09 | Novatek Microelectronics Corp. | Light-emitting diode driving apparatus and light-emitting diode driver |
Also Published As
Publication number | Publication date |
---|---|
JP2004309614A (ja) | 2004-11-04 |
US20040196049A1 (en) | 2004-10-07 |
US7023232B2 (en) | 2006-04-04 |
TWI263055B (en) | 2006-10-01 |
CN1536544A (zh) | 2004-10-13 |
CN100423045C (zh) | 2008-10-01 |
KR20040086744A (ko) | 2004-10-12 |
JP3882773B2 (ja) | 2007-02-21 |
KR101033213B1 (ko) | 2011-05-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |