JP2012530347A - Oledデバイスを駆動する方法及びデバイス - Google Patents
Oledデバイスを駆動する方法及びデバイス Download PDFInfo
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- JP2012530347A JP2012530347A JP2012515608A JP2012515608A JP2012530347A JP 2012530347 A JP2012530347 A JP 2012530347A JP 2012515608 A JP2012515608 A JP 2012515608A JP 2012515608 A JP2012515608 A JP 2012515608A JP 2012530347 A JP2012530347 A JP 2012530347A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005259 measurement Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 2
- 230000006378 damage Effects 0.000 abstract description 3
- 230000002950 deficient Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 206010001854 Altered state of consciousness Diseases 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 150000003384 small molecules Chemical class 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
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Classifications
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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
- G09G3/20—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]
- G09G3/3208—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] organic, e.g. using organic light-emitting diodes [OLED]
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/60—Circuit arrangements for operating LEDs comprising organic material, e.g. for operating organic light-emitting diodes [OLED] or polymer light-emitting diodes [PLED]
-
- 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
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/028—Generation of voltages supplied to electrode drivers in a matrix display other than LCD
-
- 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
- G09G2330/04—Display protection
-
- 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
- G09G2330/08—Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared
-
- 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
- G09G2330/10—Dealing with defective pixels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Abstract
Description
1)オフ:そのOLEDにおける電圧降下はゼロに等しいか、又は第1電圧レベルV1よりも低く、V1は非常に低く、すなわちいくつかのマイクロボルトの単位にある。
2)オン:そのOLEDにおける電圧降下は、第2電圧レベルV2よりも高く、V2はいくつかのボルトの単位にある:典型的な値は4Vである。
3)そのOLEDにおける電圧降下がV1とV2との間である、中間状態;この状態は、以下においてトワイライト(twilight)状態として示される。
Claims (12)
- OLEDを駆動する方法であり、該OLEDはしきい値電圧を有し、該しきい値電圧の上では該OLEDはオンであると見なされ、前記方法は、該OLEDをオン及びオフに切り替えるステップを含み;
ゼロとゼロよりも高い所定の電圧レベルとの間の電圧範囲内で前記OLEDを駆動することを避けるステップを含む、方法。 - 前記所定の電圧レベルは、前記特性しきい値電圧に等しいか又は最大2Vさらに低い、請求項1に記載の方法。
- 前記所定の電圧レベルは、前記特性しきい値電圧に等しいか又は最大2Vさらに高い、請求項1に記載の方法。
- 請求項1に記載の方法であり、駆動電圧を生成し、該駆動電圧をゼロから前記範囲の上の動作値に増加させるか又は該駆動電圧を前記動作値からゼロへ減少させるステップを含み、前記駆動電圧が前記電圧範囲内にある限り、該駆動電圧を前記OLEDに印加することを避けるステップをさらに含む、方法。
- 請求項1に記載の方法であり、駆動電圧を生成し、該駆動電圧をゼロから前記範囲の上の動作値に増加させるか又は該駆動電圧を前記動作値からゼロへ減少させるステップを含み、前記電圧範囲内の前記駆動電圧の上昇傾斜又は下降傾斜は、少なくとも10V/s、望ましくは1kV/sよりも高く、さらに望ましくは10kV/sよりも高く、最も望ましくは100kV/sよりも高い、方法。
- 請求項1に記載の方法であり、駆動電圧を生成し、該駆動電圧を前記OLEDに印加するステップを含み、該駆動電圧が前記電圧範囲内にある場合、前記OLEDにおける電流の流れを防止するか又は少なくとも制限するステップをさらに含む、方法。
- OLEDを駆動するドライバ・デバイスであり:
‐OLED駆動電圧を供給するための、電圧源出力端子を有する電圧源;
‐電圧源出力端子にそれぞれ結合されたOLEDに接続するためのデバイス出力端子;
‐電圧源出力端子と対応するデバイス出力端子との間に配置された電圧で制御されるブロッキング素子を含む出力段であり、該ブロッキング素子は、電圧出力端子での前記出力電圧によって制御される、出力段、
を含むドライバ・デバイス。 - 請求項7に記載のドライバ・デバイスであり、前記出力段は:前記電圧源出力端子のうち1つと前記ドライバ出力端子のうち1つとの間において直列に接続され;
‐前記電圧源の瞬間出力電圧を示す測定信号を供給するために、前記電圧源出力端子に結合された電圧センサ;
‐前記電圧センサからの前記測定信号を受け取るように結像され、前記制御可能なスイッチを、該スイッチが、前記瞬間出力電圧が前記所定の電圧レベルよりも低い場合に非導電性であり、前記瞬間出力電圧は前記所定の電圧レベルよりも高い場合に導電性であるように、制御するように設計された、制御デバイス;
を含むドライバ・デバイス。 - 請求項7に記載のドライバ・デバイスであり、前記出力段は:前記電圧源出力端子のうち1つと前記ドライバ出力端子のうち1つとの間に直列に接続された制御可能なスイッチ;
前記電圧出力端子に結合された2つの抵抗器の直列配置、を含み、前記2つの抵抗器の間のノードは、前記制御可能ンスイッチの制御入力端子に結合されている、ドライバ・デバイス。 - 前記制御可能なスイッチは少なくとも1つのFETを含む、請求項8又は9に記載のドライバ・デバイス。
- 前記ドライバ・デバイスは、請求項1乃至6のいずれか1項に記載の方法を実施するように設計されている、請求項7乃至10のいずれか1項に記載のドライバ・デバイス。
- 請求項7乃至11のいずれか1項に記載のOLED及びドライバを含む、照明装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09163191 | 2009-06-19 | ||
EP09163191.1 | 2009-06-19 | ||
PCT/IB2010/052641 WO2010146523A1 (en) | 2009-06-19 | 2010-06-14 | Method and device for driving an oled device |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012530347A true JP2012530347A (ja) | 2012-11-29 |
JP5676587B2 JP5676587B2 (ja) | 2015-02-25 |
Family
ID=42541570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2012515608A Active JP5676587B2 (ja) | 2009-06-19 | 2010-06-14 | Oledデバイスを駆動する方法及びデバイス |
Country Status (9)
Country | Link |
---|---|
US (1) | US8749166B2 (ja) |
EP (1) | EP2443623A1 (ja) |
JP (1) | JP5676587B2 (ja) |
KR (1) | KR20120028393A (ja) |
CN (1) | CN102804247B (ja) |
BR (1) | BRPI1009737A2 (ja) |
RU (1) | RU2546959C2 (ja) |
TW (1) | TW201126493A (ja) |
WO (1) | WO2010146523A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017204434A (ja) * | 2016-05-13 | 2017-11-16 | 株式会社小糸製作所 | 車両用灯具、及び有機el素子の検査方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012247774A (ja) * | 2012-05-01 | 2012-12-13 | Toshiba Corp | 発光装置、表示装置、及び有機電界発光素子の駆動方法 |
CN103606884A (zh) * | 2013-11-25 | 2014-02-26 | 深圳市华星光电技术有限公司 | 过流保护电路、led背光驱动电路以及液晶显示器 |
US9741956B2 (en) | 2014-11-25 | 2017-08-22 | Industrial Technology Research Institute | Organic light-emitting diode apparatus |
Citations (4)
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JP2004093960A (ja) * | 2002-08-30 | 2004-03-25 | Fuji Electric Holdings Co Ltd | 表示装置の駆動方法 |
WO2004073081A1 (ja) * | 2003-02-17 | 2004-08-26 | Fuji Electric Holdings Co., Ltd. | スイッチング素子 |
JP2007122980A (ja) * | 2005-10-26 | 2007-05-17 | Matsushita Electric Works Ltd | 点灯装置及び照明装置 |
JP2009080995A (ja) * | 2007-09-25 | 2009-04-16 | Panasonic Electric Works Co Ltd | 点灯装置、および照明器具 |
Family Cites Families (7)
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US3675159A (en) * | 1970-12-21 | 1972-07-04 | Bell Telephone Labor Inc | Self-oscillating switching regulator with frequency responsive feedback loop gain control |
JP2001085159A (ja) | 1999-09-13 | 2001-03-30 | Sanyo Electric Co Ltd | 有機エレクトロルミネッセンス素子の駆動方法、駆動装置およびそれを用いた表示装置 |
US7872259B2 (en) * | 2004-11-10 | 2011-01-18 | Canon Kabushiki Kaisha | Light-emitting device |
JP2009542188A (ja) * | 2006-06-26 | 2009-11-26 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 負荷を一定電流で駆動する駆動回路 |
WO2008090497A2 (en) | 2007-01-22 | 2008-07-31 | Philips Intellectual Property & Standards Gmbh | Organic light emitting diode arrangement |
US8928240B2 (en) * | 2011-08-16 | 2015-01-06 | Abl Ip Holding Llc | Method and system for driving organic LED's |
JP5780428B2 (ja) * | 2011-09-20 | 2015-09-16 | 東芝ライテック株式会社 | スイッチング電源および照明装置 |
-
2010
- 2010-06-14 RU RU2012101780/07A patent/RU2546959C2/ru not_active IP Right Cessation
- 2010-06-14 JP JP2012515608A patent/JP5676587B2/ja active Active
- 2010-06-14 EP EP10728364A patent/EP2443623A1/en not_active Ceased
- 2010-06-14 WO PCT/IB2010/052641 patent/WO2010146523A1/en active Application Filing
- 2010-06-14 KR KR1020127001451A patent/KR20120028393A/ko not_active Application Discontinuation
- 2010-06-14 BR BRPI1009737A patent/BRPI1009737A2/pt not_active IP Right Cessation
- 2010-06-14 CN CN201080027124.9A patent/CN102804247B/zh active Active
- 2010-06-14 US US13/379,047 patent/US8749166B2/en active Active
- 2010-06-17 TW TW099119728A patent/TW201126493A/zh unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004093960A (ja) * | 2002-08-30 | 2004-03-25 | Fuji Electric Holdings Co Ltd | 表示装置の駆動方法 |
WO2004073081A1 (ja) * | 2003-02-17 | 2004-08-26 | Fuji Electric Holdings Co., Ltd. | スイッチング素子 |
JP2007122980A (ja) * | 2005-10-26 | 2007-05-17 | Matsushita Electric Works Ltd | 点灯装置及び照明装置 |
JP2009080995A (ja) * | 2007-09-25 | 2009-04-16 | Panasonic Electric Works Co Ltd | 点灯装置、および照明器具 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017204434A (ja) * | 2016-05-13 | 2017-11-16 | 株式会社小糸製作所 | 車両用灯具、及び有機el素子の検査方法 |
Also Published As
Publication number | Publication date |
---|---|
BRPI1009737A2 (pt) | 2016-03-15 |
US8749166B2 (en) | 2014-06-10 |
TW201126493A (en) | 2011-08-01 |
RU2012101780A (ru) | 2013-07-27 |
WO2010146523A1 (en) | 2010-12-23 |
JP5676587B2 (ja) | 2015-02-25 |
RU2546959C2 (ru) | 2015-04-10 |
CN102804247A (zh) | 2012-11-28 |
KR20120028393A (ko) | 2012-03-22 |
EP2443623A1 (en) | 2012-04-25 |
CN102804247B (zh) | 2015-11-25 |
US20120176061A1 (en) | 2012-07-12 |
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