CN102610196B - 发光元件驱动电路、发光设备、显示设备和发光控方法 - Google Patents

发光元件驱动电路、发光设备、显示设备和发光控方法 Download PDF

Info

Publication number
CN102610196B
CN102610196B CN201210018833.1A CN201210018833A CN102610196B CN 102610196 B CN102610196 B CN 102610196B CN 201210018833 A CN201210018833 A CN 201210018833A CN 102610196 B CN102610196 B CN 102610196B
Authority
CN
China
Prior art keywords
light
light emitting
capacitive element
current
supplied
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
CN201210018833.1A
Other languages
English (en)
Chinese (zh)
Other versions
CN102610196A (zh
Inventor
古川德昌
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of CN102610196A publication Critical patent/CN102610196A/zh
Application granted granted Critical
Publication of CN102610196B publication Critical patent/CN102610196B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/382—Switched mode power supply [SMPS] with galvanic isolation between input and output
    • 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
    • G09G3/34—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 by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • 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
    • H05B45/37—Converter 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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/38—Switched mode power supply [SMPS] using boost topology
    • 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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
    • 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
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/024—Scrolling of light from the illumination source over the display in combination with the scanning of the display screen
    • 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
    • G09G2330/025—Reduction of instantaneous peaks of current
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Led Devices (AREA)
  • Liquid Crystal (AREA)
CN201210018833.1A 2011-01-21 2012-01-20 发光元件驱动电路、发光设备、显示设备和发光控方法 Expired - Fee Related CN102610196B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011010449A JP5720266B2 (ja) 2011-01-21 2011-01-21 発光素子駆動回路、発光装置、表示装置、および発光制御方法
JP2011-010449 2011-01-21

Publications (2)

Publication Number Publication Date
CN102610196A CN102610196A (zh) 2012-07-25
CN102610196B true CN102610196B (zh) 2016-06-01

Family

ID=46527521

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210018833.1A Expired - Fee Related CN102610196B (zh) 2011-01-21 2012-01-20 发光元件驱动电路、发光设备、显示设备和发光控方法

Country Status (5)

Country Link
US (2) US10172194B2 (https=)
JP (1) JP5720266B2 (https=)
KR (1) KR101991514B1 (https=)
CN (1) CN102610196B (https=)
TW (1) TWI577121B (https=)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5933030B2 (ja) * 2011-12-29 2016-06-08 インテル・コーポレーション ディスプレイバックライト変調
US9585211B2 (en) * 2013-09-17 2017-02-28 Skyworks Solutions, Inc. Flash-LED driver discharge control
IL231562A (en) * 2014-03-18 2015-01-29 Firefly Smart Engineering Ltd Lighting system configurations and methods of manufacture and operation
KR102635868B1 (ko) * 2016-01-26 2024-02-14 삼성전자주식회사 전자 장치 및 그의 제어방법
JP2017225661A (ja) * 2016-06-23 2017-12-28 株式会社ユニバーサルエンターテインメント 遊技機
US10834795B2 (en) 2018-05-16 2020-11-10 Hisense Visual Technology Co., Ltd. Backlight drive circuit, backlight driving method, and display device
CN108461069B (zh) * 2018-05-16 2020-09-25 海信视像科技股份有限公司 一种多分区背光驱动电路及显示装置
CN109003585B (zh) * 2018-07-27 2020-11-20 青岛小鸟看看科技有限公司 一种液晶屏抗拖影电路和一种液晶屏
CN110264960B (zh) * 2019-04-04 2021-01-05 上海中航光电子有限公司 驱动电路及其驱动方法、面板及其驱动方法
JP2021082699A (ja) * 2019-11-19 2021-05-27 ソニーセミコンダクタソリューションズ株式会社 発光素子駆動回路および発光装置
JP2020103924A (ja) * 2020-03-03 2020-07-09 株式会社ユニバーサルエンターテインメント 遊技機
KR102738532B1 (ko) 2020-07-21 2024-12-06 주식회사 엘엑스세미콘 엘이디 구동장치 및 엘이디 구동방법
CN112331150A (zh) * 2020-11-05 2021-02-05 Tcl华星光电技术有限公司 显示装置及发光面板
US12300186B2 (en) 2021-03-08 2025-05-13 Sony Group Corporation Driving controlling device and driving controlling method as well as information processing system
US12452976B2 (en) * 2021-12-01 2025-10-21 Renesas Design (UK) Limited Light source driver
US11670224B1 (en) * 2022-01-06 2023-06-06 Novatek Microelectronics Corp. Driving circuit for LED panel and LED panel thereof
CN114627805B (zh) * 2022-05-12 2022-08-16 镭昱光电科技(苏州)有限公司 驱动电路、led单元的驱动方法和显示面板

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1721943A (zh) * 2004-07-12 2006-01-18 索尼株式会社 显示单元与背光单元

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190836A (en) * 1976-11-15 1980-02-26 Hitachi, Ltd. Dynamic drive circuit for light-emitting diodes
DE3244056A1 (de) * 1982-11-27 1984-05-30 Philips Kommunikations Industrie AG, 8500 Nürnberg Schaltungsanordnung zur ansteuerung eines stromgesteuerten bauelements
KR930006891B1 (ko) * 1991-05-27 1993-07-24 삼성전자 주식회사 순간 전원 공급회로
JP4576647B2 (ja) * 1999-10-12 2010-11-10 日本テキサス・インスツルメンツ株式会社 ドットマトリクス表示装置
JP4376385B2 (ja) * 1999-11-15 2009-12-02 富士通株式会社 発光素子駆動回路
JP2002208495A (ja) * 2001-01-12 2002-07-26 Matsushita Electric Works Ltd 照明装置
JP3850241B2 (ja) * 2001-07-19 2006-11-29 シャープ株式会社 照明装置およびそれを用いた液晶表示装置
JP4163079B2 (ja) * 2003-09-12 2008-10-08 ローム株式会社 発光制御回路
FR2863758B1 (fr) * 2003-12-11 2006-07-14 Centre Nat Rech Scient Cellule de commande electronique pour diode electroluminescente organique d'afficheur a matrice active, procedes de fonctionnement et afficheur
TWI236165B (en) * 2004-07-30 2005-07-11 Au Optronics Corp Driving device for light emitted diode string
KR101245121B1 (ko) * 2005-06-10 2013-03-25 에이저 시스템즈 엘엘시 저항 부하를 통한 전류 조정
JP4807492B2 (ja) * 2005-09-27 2011-11-02 ミツミ電機株式会社 チャージポンプ式ｌｅｄドライバおよびチャージポンプ回路の制御方法
US7400310B2 (en) * 2005-11-28 2008-07-15 Draeger Medical Systems, Inc. Pulse signal drive circuit
US7884558B2 (en) * 2006-07-14 2011-02-08 Wolfson Microelectronics Plc Driver apparatus and method
WO2008081223A1 (en) * 2006-12-28 2008-07-10 Nokia Corporation A method and device for driving a circuit element
US7579786B2 (en) * 2007-06-04 2009-08-25 Applied Concepts, Inc. Method, apparatus, and system for driving LED's
KR100963138B1 (ko) * 2008-01-30 2010-06-15 한국과학기술원 엘이디 구동장치
JP5483389B2 (ja) * 2008-01-31 2014-05-07 Ｉｄｅｃ株式会社 電気回路
KR101473366B1 (ko) * 2008-03-05 2014-12-17 삼성디스플레이 주식회사 광원구동방법, 이를 수행하기 위한 광원 장치 및 이 광원장치를 포함하는 표시 장치
TWI397349B (zh) * 2008-03-21 2013-05-21 Richtek Technology Corp Ｌｅｄ控制電路與方法，以及抗蟲ｌｅｄ燈
JP4379829B1 (ja) * 2008-05-08 2009-12-09 株式会社光洋電子工業 光源駆動方法及び光源駆動装置
JP2010004692A (ja) * 2008-06-23 2010-01-07 Mitsumi Electric Co Ltd フラッシュ用電源装置
JP2010097799A (ja) * 2008-10-16 2010-04-30 Kanazawa Inst Of Technology 突入電流防止回路および発光装置、それを用いた照明装置
KR101517207B1 (ko) 2008-11-06 2015-05-04 페어차일드코리아반도체 주식회사 제어 장치 및 이를 이용하는 ｌｅｄ 발광 장치
JP5600456B2 (ja) * 2009-05-19 2014-10-01 ローム株式会社 発光ダイオードの駆動回路およびそれを用いた発光装置およびディスプレイ装置、駆動回路の保護方法
US20110068700A1 (en) * 2009-09-21 2011-03-24 Suntec Enterprises Method and apparatus for driving multiple LED devices
TWM388192U (en) * 2009-12-10 2010-09-01 Yocom Corp Ltd Light emitting diode driving circuit
US8305008B2 (en) * 2010-05-19 2012-11-06 Chen-Sheng Yang Constant-current controller for LED light string
JP5848898B2 (ja) * 2010-06-28 2016-01-27 ローム株式会社 負荷駆動回路ならびにそれを用いた発光装置およびディスプレイ装置
CN101951177B (zh) * 2010-09-06 2014-05-07 Bcd半导体制造有限公司 开关电源系统及开关电源控制电路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1721943A (zh) * 2004-07-12 2006-01-18 索尼株式会社 显示单元与背光单元

Also Published As

Publication number Publication date
KR20120085185A (ko) 2012-07-31
TWI577121B (zh) 2017-04-01
JP5720266B2 (ja) 2015-05-20
US10165633B2 (en) 2018-12-25
JP2012151057A (ja) 2012-08-09
US20150257220A1 (en) 2015-09-10
KR101991514B1 (ko) 2019-06-20
CN102610196A (zh) 2012-07-25
US10172194B2 (en) 2019-01-01
US20120188293A1 (en) 2012-07-26
TW201240307A (en) 2012-10-01

Similar Documents

Publication Publication Date Title
CN102610196B (zh) 发光元件驱动电路、发光设备、显示设备和发光控方法
KR101965892B1 (ko) 전원 생성부 및 이를 이용한 유기전계발광 표시장치
CN110390905B (zh) 显示设备及利用显示设备显示影像的方法
JP7189804B2 (ja) 発光素子駆動装置、発光素子駆動システム及び発光システム
JP2007295775A (ja) 電源装置、ｌｅｄ駆動装置、照明装置、表示装置
KR101581429B1 (ko) 표시장치
JP2005057999A (ja) 電源装置とその駆動方法及びこれを利用したエレクトロ・ルミネセンス表示装置の駆動方法
JP2012151057A5 (https=)
KR102479070B1 (ko) 백라이트유닛, 이의 동작방법 및 이를 포함하는 표시장치
CN100426543C (zh) 光源驱动电路、照明装置、显示装置、场序彩色方式的液晶显示装置以及信息设备
WO2016074356A1 (zh) 一种像素电路、显示面板及其驱动方法
KR20140142110A (ko) 전원공급장치 및 그 제어 방법
CN115881026A (zh) 显示面板、显示面板的驱动方法和显示装置
CN114783357A (zh) 像素驱动电路及显示面板
CN100504523C (zh) 液晶显示器的背光驱动装置和驱动该背光驱动装置的方法
KR102424554B1 (ko) 백라이트 드라이버 및 이를 포함하는 액정표시장치
JP6337203B2 (ja) 液晶表示手段に用いるｌｅｄバックライト源及び液晶表示手段
CN118609512B (zh) 像素电路、像素驱动方法和显示面板
KR20130135487A (ko) 광원 구동 방법, 이를 수행하기 위한 광원 장치 및 이 광원 장치를 포함하는 표시 장치
KR20140025862A (ko) 광원 구동 방법, 이를 수행하기 위한 광원 장치 및 이 광원 장치를 포함하는 표시 장치
US20250087172A1 (en) Display device and driving circuit thereof, and driving method
JP5334507B2 (ja) 発光素子駆動回路及び携帯電話
KR102453564B1 (ko) 백라이트유닛 및 이를 포함하는 표시장치
KR101462735B1 (ko) 발광 다이오드 구동 장치
JP2010067751A (ja) 発光素子駆動回路及び携帯電話

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160601