JP5819313B2 - ランプパルス変調を使用する大面積ソリッドステートoled用電子ドライバ調光制御 - Google Patents

ランプパルス変調を使用する大面積ソリッドステートoled用電子ドライバ調光制御 Download PDF

Info

Publication number
JP5819313B2
JP5819313B2 JP2012543117A JP2012543117A JP5819313B2 JP 5819313 B2 JP5819313 B2 JP 5819313B2 JP 2012543117 A JP2012543117 A JP 2012543117A JP 2012543117 A JP2012543117 A JP 2012543117A JP 5819313 B2 JP5819313 B2 JP 5819313B2
Authority
JP
Japan
Prior art keywords
current level
control input
current
pulse modulation
level
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2012543117A
Other languages
English (en)
Japanese (ja)
Other versions
JP2013513919A5 (enExample
JP2013513919A (ja
Inventor
アウロングゼブ,ディーダー
ロバーツ,ブルース・リチャード
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of JP2013513919A publication Critical patent/JP2013513919A/ja
Publication of JP2013513919A5 publication Critical patent/JP2013513919A5/ja
Application granted granted Critical
Publication of JP5819313B2 publication Critical patent/JP5819313B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30Driver circuits
    • H05B45/32Pulse-control circuits
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10Controlling the intensity of the light
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/50Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/50Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/59Circuit 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
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/60Circuit arrangements for operating LEDs comprising organic material, e.g. for operating organic light-emitting diodes [OLED] or polymer light-emitting diodes [PLED]
JP2012543117A 2009-12-10 2010-11-09 ランプパルス変調を使用する大面積ソリッドステートoled用電子ドライバ調光制御 Expired - Fee Related JP5819313B2 (ja)

Applications Claiming Priority (3)

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
PCT/US2010/055971 WO2011071637A1 (en) 2009-12-10 2010-11-09 Electronic driver dimming control using ramped pulsed modulation for large area solid-state oleds

Publications (3)

Publication Number Publication Date
JP2013513919A JP2013513919A (ja) 2013-04-22
JP2013513919A5 JP2013513919A5 (enExample) 2013-12-26
JP5819313B2 true JP5819313B2 (ja) 2015-11-24

Family

ID=43627012

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012543117A Expired - Fee Related JP5819313B2 (ja) 2009-12-10 2010-11-09 ランプパルス変調を使用する大面積ソリッドステートoled用電子ドライバ調光制御

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

Family Cites Families (24)

* 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
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
CN101128979B (zh) 2004-10-12 2011-10-19 皇家飞利浦电子股份有限公司 调制的光源使用的高精度控制设备和方法
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
US8040070B2 (en) * 2008-01-23 2011-10-18 Cree, Inc. Frequency converted dimming signal generation
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
JP4655111B2 (ja) * 2008-05-20 2011-03-23 日本テキサス・インスツルメンツ株式会社 Led装置及びled駆動回路
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

Also Published As

Publication number Publication date
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
TWI617218B (zh) 2018-03-01
KR20120101537A (ko) 2012-09-13
US8334659B2 (en) 2012-12-18

Similar Documents

Publication Publication Date Title
JP5819313B2 (ja) ランプパルス変調を使用する大面積ソリッドステートoled用電子ドライバ調光制御
US9351365B2 (en) Control unit for LED assembly and lighting system
JP4943892B2 (ja) 調光装置とそれを用いた照明器具
JP3162194U (ja) 照明装置、発光ダイオードの駆動回路およびその駆動方法
US8237379B2 (en) Circuits and methods for powering light sources
CN102461332B (zh) 用于led组件的控制单元以及照明系统
US8049436B2 (en) Dimmer and lighting apparatus
US20130278145A1 (en) Circuits and methods for driving light sources
CN102227863B (zh) 快速恢复控制电路
JP2017143692A (ja) 液晶バックライト用ledの駆動回路、その制御回路、電子機器
CN103250466B (zh) 用于串联/并联固态照明装置的斜坡控制驱动器
JP5660936B2 (ja) 発光素子駆動回路
JP2015018638A (ja) 点灯装置
US20120326630A1 (en) Driver circuit
JP5562081B2 (ja) Ledの調光方法及び調光装置
JP2014216320A (ja) 光源を駆動する回路および方法
WO2013035177A1 (ja) Ledの調光方法及び調光装置
JP7273356B2 (ja) 点灯装置及び照明装置
KR101360656B1 (ko) Led 구동 회로
CN106211495A (zh) 可提升面板调光效能的控制装置及方法
JP2014154429A (ja) 調光点灯回路及びそれを用いた照明装置
JP2011165496A (ja) 点灯装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20131101

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20131101

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20140820

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20140930

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20141218

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20150310

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150706

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20150714

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20150908

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20150930

R150 Certificate of patent or registration of utility model

Ref document number: 5819313

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees