CN1731496B - 驱动多个光发射器件的电路和方法 - Google Patents
驱动多个光发射器件的电路和方法 Download PDFInfo
- Publication number
- CN1731496B CN1731496B CN200510089179.3A CN200510089179A CN1731496B CN 1731496 B CN1731496 B CN 1731496B CN 200510089179 A CN200510089179 A CN 200510089179A CN 1731496 B CN1731496 B CN 1731496B
- Authority
- CN
- China
- Prior art keywords
- voltage
- circuit
- highest
- light
- output
- 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
Links
Images
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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
-
- 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
- H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel 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
- H05B45/3725—Switched mode power supply [SMPS]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Led Devices (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/911,703 | 2004-08-05 | ||
| US10/911,703 US8558760B2 (en) | 2004-08-05 | 2004-08-05 | Circuitry and methodology for driving multiple light emitting devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1731496A CN1731496A (zh) | 2006-02-08 |
| CN1731496B true CN1731496B (zh) | 2014-08-06 |
Family
ID=35756747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510089179.3A Expired - Fee Related CN1731496B (zh) | 2004-08-05 | 2005-08-05 | 驱动多个光发射器件的电路和方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8558760B2 (https=) |
| JP (1) | JP5319048B2 (https=) |
| KR (1) | KR101029359B1 (https=) |
| CN (1) | CN1731496B (https=) |
| TW (1) | TWI412001B (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111034363A (zh) * | 2017-08-09 | 2020-04-17 | 黑拉有限责任两合公司 | 用于操作电子灯布置的系统 |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080199471A1 (en) * | 2002-03-01 | 2008-08-21 | Bernett Matthew J | Optimized cd40 antibodies and methods of using the same |
| US6825559B2 (en) | 2003-01-02 | 2004-11-30 | Cree, Inc. | Group III nitride based flip-chip intergrated circuit and method for fabricating |
| JP4616332B2 (ja) * | 2004-04-08 | 2011-01-19 | エスティーマイクロエレクトロニクス エス.アール.エル. | Oled受動マトリックスディスプレイのためのドライバ |
| TWI270219B (en) * | 2005-03-08 | 2007-01-01 | Addtek Corp | Driving circuit and method of tuning a driving voltage of a light-emitting device through a feedback mechanism |
| JP2007295775A (ja) * | 2006-04-27 | 2007-11-08 | Rohm Co Ltd | 電源装置、led駆動装置、照明装置、表示装置 |
| KR100737867B1 (ko) * | 2006-06-02 | 2007-07-12 | 삼성전자주식회사 | 발광장치 및 발광장치의 제어방법 |
| DE102007004877A1 (de) * | 2007-01-31 | 2008-08-14 | Infineon Technologies Austria Ag | Schaltungsanordnung zur Ansteuerung von Leuchtdioden |
| JP2009008783A (ja) * | 2007-06-27 | 2009-01-15 | Seiko Epson Corp | 発光装置および電子機器 |
| US8111001B2 (en) * | 2007-07-17 | 2012-02-07 | Cree, Inc. | LED with integrated constant current driver |
| CN101527989B (zh) * | 2008-03-04 | 2013-06-12 | 原景科技股份有限公司 | 驱动发光二极管的电路与方法 |
| DE102008030365A1 (de) * | 2008-06-26 | 2009-08-20 | Continental Automotive Gmbh | Einrichtung zur Ansteuerung von in einem Array angeordneten Einzellichtquellen |
| TWI468080B (zh) * | 2008-07-31 | 2015-01-01 | Richtek Technology Corp | LED drive device and method |
| US9071139B2 (en) | 2008-08-19 | 2015-06-30 | Advanced Analogic Technologies Incorporated | High current switching converter for LED applications |
| TWI397034B (zh) * | 2008-10-29 | 2013-05-21 | Richtek Technology Corp | 改善led顯示系統效能的電流調節器及方法 |
| CN102026438B (zh) * | 2009-09-18 | 2014-04-16 | 立锜科技股份有限公司 | 发光元件控制电路与控制方法、及用于其中的集成电路 |
| US9429965B2 (en) | 2009-11-03 | 2016-08-30 | Advanced Analogic Technologies Incorporated | Multiple chip voltage feedback technique for driving LED's |
| CN101800030B (zh) * | 2010-03-26 | 2012-06-20 | 青岛海信电器股份有限公司 | 一种led驱动芯片的级联方法、电路及具有该电路的电视机 |
| CN101820707B (zh) * | 2010-03-30 | 2012-09-05 | 上海艾为电子技术有限公司 | 发光元件的驱动装置 |
| TWI402805B (zh) | 2010-04-20 | 2013-07-21 | Chunghwa Picture Tubes Ltd | 應用於背光模組之電壓轉換器及其驅動方法 |
| DE102010045389B4 (de) | 2010-09-15 | 2012-12-06 | Austriamicrosystems Ag | Spannungsversorgungsanordnung und Verfahren zur Spannungsversorgung einer elektrischen Last |
| KR101041350B1 (ko) * | 2010-11-08 | 2011-06-14 | (주)상지기술 | 엘이디 소자 보호를 위한 엘이디램프 전원 보상장치 |
| US8531164B2 (en) | 2011-04-04 | 2013-09-10 | Advanced Analogic Technologies Incorporated | Operational transconductance amplifier feedback mechanism for fixed feedback voltage regulators |
| US9577610B2 (en) * | 2011-04-05 | 2017-02-21 | Advanced Analogic Technologies Incorporated | Active LED voltage clamp |
| EP2597931B1 (de) * | 2011-09-01 | 2015-05-27 | Silicon Touch Technology, Inc. | Treiberschaltung und zugehörige Fehlererkennungsschaltung und Verfahren hierfür |
| US8823279B2 (en) * | 2011-10-27 | 2014-09-02 | Phoseon Technology, Inc. | Smart FET circuit |
| CN106058801B (zh) * | 2016-06-20 | 2018-05-22 | 广州视源电子科技股份有限公司 | 一种压差保护电路 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20300976U1 (de) * | 2003-01-17 | 2003-04-03 | Brandau, Jonas, 10407 Berlin | Niederspannungsdekorationsleuchte mit weißen SMD-LEDs |
| CN1413070A (zh) * | 2001-10-17 | 2003-04-23 | 松下电器产业株式会社 | 用于发光设备的驱动电路 |
| WO2003103061A1 (fr) * | 2002-05-31 | 2003-12-11 | Sony Corporation | Dispositif de commande d'element emetteur de lumiere et appareil mobile l'utilisant |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001215913A (ja) | 2000-02-04 | 2001-08-10 | Toko Inc | 点灯回路 |
| US6166527A (en) * | 2000-03-27 | 2000-12-26 | Linear Technology Corporation | Control circuit and method for maintaining high efficiency in a buck-boost switching regulator |
| US6404251B1 (en) * | 2000-03-27 | 2002-06-11 | Linear Technology Corporation | Systems and methods for linearly varying a pulse-width modulation signal with a control signal |
| JP4244110B2 (ja) * | 2001-05-28 | 2009-03-25 | パイオニア株式会社 | 発光パネルの駆動装置及び発光パネルを備えた携帯端末装置 |
| JP4177022B2 (ja) | 2002-05-07 | 2008-11-05 | ローム株式会社 | 発光素子駆動装置、及び発光素子を備えた電子機器 |
| US6940733B2 (en) * | 2002-08-22 | 2005-09-06 | Supertex, Inc. | Optimal control of wide conversion ratio switching converters |
| JP2004085751A (ja) | 2002-08-26 | 2004-03-18 | Canon Electronics Inc | 有機エレクトロルミネセンスディスプレイの駆動方法 |
| US6836157B2 (en) * | 2003-05-09 | 2004-12-28 | Semtech Corporation | Method and apparatus for driving LEDs |
| JP4836402B2 (ja) * | 2003-09-29 | 2011-12-14 | 東北パイオニア株式会社 | 自発光型表示装置 |
| JP4308158B2 (ja) * | 2004-03-30 | 2009-08-05 | ローム株式会社 | 昇圧制御装置およびそれを用いた電子装置 |
-
2004
- 2004-08-05 US US10/911,703 patent/US8558760B2/en not_active Expired - Fee Related
-
2005
- 2005-07-15 TW TW094124118A patent/TWI412001B/zh not_active IP Right Cessation
- 2005-08-01 JP JP2005222844A patent/JP5319048B2/ja not_active Expired - Fee Related
- 2005-08-04 KR KR1020050071350A patent/KR101029359B1/ko not_active Expired - Fee Related
- 2005-08-05 CN CN200510089179.3A patent/CN1731496B/zh not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1413070A (zh) * | 2001-10-17 | 2003-04-23 | 松下电器产业株式会社 | 用于发光设备的驱动电路 |
| WO2003103061A1 (fr) * | 2002-05-31 | 2003-12-11 | Sony Corporation | Dispositif de commande d'element emetteur de lumiere et appareil mobile l'utilisant |
| DE20300976U1 (de) * | 2003-01-17 | 2003-04-03 | Brandau, Jonas, 10407 Berlin | Niederspannungsdekorationsleuchte mit weißen SMD-LEDs |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111034363A (zh) * | 2017-08-09 | 2020-04-17 | 黑拉有限责任两合公司 | 用于操作电子灯布置的系统 |
| CN111034363B (zh) * | 2017-08-09 | 2021-11-16 | 黑拉有限责任两合公司 | 用于操作电子灯布置的系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20060028150A1 (en) | 2006-02-09 |
| JP5319048B2 (ja) | 2013-10-16 |
| US8558760B2 (en) | 2013-10-15 |
| CN1731496A (zh) | 2006-02-08 |
| JP2006048047A (ja) | 2006-02-16 |
| TWI412001B (zh) | 2013-10-11 |
| KR20060049291A (ko) | 2006-05-18 |
| TW200606795A (en) | 2006-02-16 |
| KR101029359B1 (ko) | 2011-04-13 |
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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 | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: California, USA Patentee after: LINEAR TECHNOLOGY Corp. Address before: California, USA Patentee before: LINEAR TECHNOLOGY Corp. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211229 Address after: Limerick Patentee after: ANALOG DEVICES INTERNATIONAL UNLIMITED Co. Address before: California, USA Patentee before: LINEAR TECHNOLOGY Corp. |
|
| 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: 20140806 |