TWI617218B - 利用用於大面積固態有機發光二極體之斜坡脈衝調變之電子驅動器減光控制 - Google Patents

利用用於大面積固態有機發光二極體之斜坡脈衝調變之電子驅動器減光控制 Download PDF

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Publication number
TWI617218B
TWI617218B TW099143323A TW99143323A TWI617218B TW I617218 B TWI617218 B TW I617218B TW 099143323 A TW099143323 A TW 099143323A TW 99143323 A TW99143323 A TW 99143323A TW I617218 B TWI617218 B TW I617218B
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TW
Taiwan
Prior art keywords
control input
controlled
value
current
time value
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TW099143323A
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English (en)
Chinese (zh)
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TW201134308A (en
Inventor
狄達爾 歐朗茲伯
布魯斯 理查 羅伯特
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奇異電器公司
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Application filed by 奇異電器公司 filed Critical 奇異電器公司
Publication of TW201134308A publication Critical patent/TW201134308A/zh
Application granted granted Critical
Publication of TWI617218B publication Critical patent/TWI617218B/zh

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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]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • 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]
    • H05B45/10—Controlling the intensity of the light
    • 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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • 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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/59—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits for reducing or suppressing flicker or glow effects
    • 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]

Landscapes

  • Electroluminescent Light Sources (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
TW099143323A 2009-12-10 2010-12-10 利用用於大面積固態有機發光二極體之斜坡脈衝調變之電子驅動器減光控制 TWI617218B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/634,911 US8334659B2 (en) 2009-12-10 2009-12-10 Electronic driver dimming control using ramped pulsed modulation for large area solid-state OLEDs
US12/634,911 2009-12-10

Publications (2)

Publication Number Publication Date
TW201134308A TW201134308A (en) 2011-10-01
TWI617218B true TWI617218B (zh) 2018-03-01

Family

ID=43627012

Family Applications (1)

Application Number Title Priority Date Filing Date
TW099143323A TWI617218B (zh) 2009-12-10 2010-12-10 利用用於大面積固態有機發光二極體之斜坡脈衝調變之電子驅動器減光控制

Country Status (7)

Country Link
US (1) US8334659B2 (enExample)
EP (1) EP2510746A1 (enExample)
JP (1) JP5819313B2 (enExample)
KR (1) KR101809285B1 (enExample)
CN (1) CN102742353B (enExample)
TW (1) TWI617218B (enExample)
WO (1) WO2011071637A1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2542025B1 (en) * 2011-06-28 2018-09-26 Rohm Co., Ltd. A power supply system for a display panel
US8760068B1 (en) 2011-09-07 2014-06-24 Iml International Driving LEDs in LCD backlight
EP2574151A3 (en) * 2011-09-22 2013-12-04 Panasonic Corporation Lighting circuit for light emitting element and illumination apparatus including same
DE102011053902B4 (de) * 2011-09-23 2015-10-01 Novaled Ag Verfahren zum Betreiben einer lichtemittierenden Vorrichtung und Anordnung
US8729815B2 (en) * 2012-03-12 2014-05-20 Osram Sylvania Inc. Current control system
US9313850B2 (en) * 2012-07-24 2016-04-12 Wei Zhao Dimming apparatus for LEDs
US9420665B2 (en) 2012-12-28 2016-08-16 Integration Illumination Systems, Inc. Systems and methods for continuous adjustment of reference signal to control chip
WO2014100844A2 (de) * 2012-12-28 2014-07-03 Tridonic Gmbh & Co Kg Betrieb von leuchtmitteln mit einem resonanten konverter
MX352747B (es) 2013-01-22 2017-12-06 Bramal Led Inc Lampara led y meéodo para accionar al menos una serie de led de la misma.
US9940873B2 (en) 2014-11-07 2018-04-10 Apple Inc. Organic light-emitting diode display with luminance control
US9741956B2 (en) 2014-11-25 2017-08-22 Industrial Technology Research Institute Organic light-emitting diode apparatus
US10186187B2 (en) 2015-03-16 2019-01-22 Apple Inc. Organic light-emitting diode display with pulse-width-modulated brightness control
US10070495B2 (en) * 2015-05-01 2018-09-04 Cree, Inc. Controlling the drive signal in a lighting fixture based on ambient temperature
JP2017021938A (ja) * 2015-07-08 2017-01-26 パナソニックＩｐマネジメント株式会社 調光制御ユニット、照明システム、及び設備機器
US10530352B1 (en) * 2018-09-27 2020-01-07 Infineon Technologies Austria Ag Power transition filtering with pulse modulated control
US11935480B2 (en) * 2020-06-01 2024-03-19 Kopin Corporation Apparatuses, systems, and methods for dimming displays

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4325021A (en) * 1980-09-26 1982-04-13 Rca Corporation Regulated switching apparatus
US20060245174A1 (en) * 2004-10-12 2006-11-02 Tir Systems Ltd. Method and system for feedback and control of a luminaire
US20090184666A1 (en) * 2008-01-23 2009-07-23 Cree Led Lighting Solutions, Inc. Frequency converted dimming signal generation
US20090289559A1 (en) * 2008-05-20 2009-11-26 Texas Instruments Incorporated Led device and led driver

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6127746A (en) * 1996-10-21 2000-10-03 International Rectifier Corp. Method of controlling the switching DI/DT and DV/DT of a MOS-gated power transistor
JP4306026B2 (ja) * 1999-06-23 2009-07-29 コニカミノルタホールディングス株式会社 有機電界発光素子の発光駆動方法
JP3998394B2 (ja) 2000-02-29 2007-10-24 ローム株式会社 スイッチングレギュレータ
KR100375513B1 (ko) * 2000-11-28 2003-03-10 삼성전기주식회사 엘시디의 백라이트용 인버터
JP3793880B2 (ja) * 2003-02-06 2006-07-05 松永 浩 点灯装置
JP2005149744A (ja) * 2003-11-11 2005-06-09 Konica Minolta Holdings Inc 照明装置
DE102004036958A1 (de) * 2004-07-30 2006-03-23 Tridonicatco Gmbh & Co. Kg Ansteuerung von Leistungsschaltern
JP4887757B2 (ja) 2005-11-25 2012-02-29 パナソニック電工株式会社 点灯装置及び照明装置
US20070236440A1 (en) 2006-04-06 2007-10-11 Emagin Corporation OLED active matrix cell designed for optimal uniformity
KR101204861B1 (ko) * 2006-07-28 2012-11-26 삼성디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 액정표시장치
KR101403397B1 (ko) 2006-11-29 2014-06-03 엘지디스플레이 주식회사 유기전계발광 표시장치
US8188673B2 (en) * 2007-01-22 2012-05-29 Koninklijke Philips Electronics N.V. Organic light emitting diode arrangement
JP5491690B2 (ja) * 2007-09-25 2014-05-14 パナソニック株式会社 点灯装置、および照明器具
DE602007014232D1 (de) * 2007-12-03 2011-06-09 Sirio Panel Spa Schaltungsanordnung zur Erzeugung eines impulsbreitenmodulierten Signals zum Antreiben elektrischer Lasten
US7923974B2 (en) * 2008-01-04 2011-04-12 Chil Semiconductor Corporation Modification of switch activation order in a power supply
TWI455646B (zh) * 2008-02-05 2014-10-01 Richtek Technology Corp Current regulator and its control method
CA2659138C (en) * 2008-03-20 2016-05-17 Sirio Panel S.P.A. Lighting system for avionics applications and control method thereof
US7908037B2 (en) * 2009-03-27 2011-03-15 General Electric Company Pre-programmed energy management ballast or driver
US8217591B2 (en) * 2009-05-28 2012-07-10 Cree, Inc. Power source sensing dimming circuits and methods of operating same
US8810221B2 (en) * 2009-06-18 2014-08-19 The Board Of Regents, The University Of Texas System System, method and apparatus for controlling converters using input-output linearization

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4325021A (en) * 1980-09-26 1982-04-13 Rca Corporation Regulated switching apparatus
US20060245174A1 (en) * 2004-10-12 2006-11-02 Tir Systems Ltd. Method and system for feedback and control of a luminaire
US20090184666A1 (en) * 2008-01-23 2009-07-23 Cree Led Lighting Solutions, Inc. Frequency converted dimming signal generation
US20090289559A1 (en) * 2008-05-20 2009-11-26 Texas Instruments Incorporated Led device and led driver

Also Published As

Publication number Publication date
JP5819313B2 (ja) 2015-11-24
JP2013513919A (ja) 2013-04-22
TW201134308A (en) 2011-10-01
CN102742353B (zh) 2015-09-16
WO2011071637A1 (en) 2011-06-16
US20110140626A1 (en) 2011-06-16
EP2510746A1 (en) 2012-10-17
CN102742353A (zh) 2012-10-17
KR101809285B1 (ko) 2018-01-18
KR20120101537A (ko) 2012-09-13
US8334659B2 (en) 2012-12-18

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