CN101017646A - 彩色led背光件的驱动装置 - Google Patents
彩色led背光件的驱动装置 Download PDFInfo
- Publication number
- CN101017646A CN101017646A CNA2006101608861A CN200610160886A CN101017646A CN 101017646 A CN101017646 A CN 101017646A CN A2006101608861 A CNA2006101608861 A CN A2006101608861A CN 200610160886 A CN200610160886 A CN 200610160886A CN 101017646 A CN101017646 A CN 101017646A
- Authority
- CN
- China
- Prior art keywords
- voltage
- color led
- control signal
- drive division
- 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.)
- Pending
Links
- 230000001276 controlling effect Effects 0.000 claims abstract description 18
- 230000001105 regulatory effect Effects 0.000 claims abstract description 13
- 238000003491 array Methods 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims description 9
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
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]
- H05B45/40—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
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/24—Details
- A44B19/26—Sliders
- A44B19/30—Sliders with means for locking in position
- A44B19/305—Sliders with means for locking in position in the form of a locking prong protuding from the pull member
-
- 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
-
- 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
-
- 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
- Led Devices (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Liquid Crystal (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060012691 | 2006-02-09 | ||
KR1020060012691A KR100665369B1 (ko) | 2006-02-09 | 2006-02-09 | 칼라 led 백라이트의 드라이브 장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN101017646A true CN101017646A (zh) | 2007-08-15 |
Family
ID=37867089
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2006101608861A Pending CN101017646A (zh) | 2006-02-09 | 2006-12-08 | 彩色led背光件的驱动装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7800566B2 (zh) |
JP (1) | JP4503004B2 (zh) |
KR (1) | KR100665369B1 (zh) |
CN (1) | CN101017646A (zh) |
DE (1) | DE102006055312A1 (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101636019A (zh) * | 2008-07-24 | 2010-01-27 | 颜睿志 | 主动式多通道led驱动电源系统 |
CN102014562A (zh) * | 2010-11-30 | 2011-04-13 | 深圳市中庆微科技开发有限公司 | 一种灯饰控制系统 |
CN102036449A (zh) * | 2009-10-08 | 2011-04-27 | 英特赛尔美国股份有限公司 | 用于多相led驱动器的自适应pwm控制器 |
CN102186288A (zh) * | 2011-04-08 | 2011-09-14 | 深圳市中庆微科技开发有限公司 | 一种智能led驱动芯片 |
CN101730330B (zh) * | 2008-10-10 | 2013-02-20 | 华映视讯(吴江)有限公司 | 背光单元的驱动电路与方法 |
CN104582125A (zh) * | 2013-10-10 | 2015-04-29 | 北京中电科电子装备有限公司 | 一种光源控制器 |
CN106097980A (zh) * | 2015-04-30 | 2016-11-09 | 三星显示有限公司 | 背光单元及具有背光单元的显示装置 |
CN110892791A (zh) * | 2017-08-15 | 2020-03-17 | 通用电气公司 | 照明设备、驱动电路及其驱动方法 |
CN113711696A (zh) * | 2019-05-23 | 2021-11-26 | 艾尔默斯半导体欧洲股份公司 | 用于调节电压调节器的输出电压的方法和装置 |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE496516T1 (de) * | 2006-12-04 | 2011-02-15 | Nxp Bv | Elektronisches gerät zum ansteuern von led-ketten |
US20080174929A1 (en) * | 2007-01-24 | 2008-07-24 | Vastview Technology Inc. | Light emitting diode driver |
JP2008262966A (ja) * | 2007-04-10 | 2008-10-30 | Rohm Co Ltd | 発光ダイオード駆動装置 |
JP4306768B2 (ja) * | 2007-06-18 | 2009-08-05 | エプソンイメージングデバイス株式会社 | 電気光学装置及び電子機器 |
KR101394435B1 (ko) | 2007-09-28 | 2014-05-14 | 삼성디스플레이 주식회사 | 백라이트 드라이버 및 이를 포함하는 액정 표시 장치 |
CN101739943B (zh) * | 2008-11-11 | 2013-09-18 | 立锜科技股份有限公司 | 改善led显示系统效能的电流调节器及方法 |
TWI400003B (zh) * | 2008-11-24 | 2013-06-21 | Holtek Semiconductor Inc | Light emitting diode control drive |
CN101848574A (zh) * | 2009-03-27 | 2010-09-29 | 北京京东方光电科技有限公司 | 发光二极管背光源的驱动装置和亮度调整方法 |
JP4657355B2 (ja) * | 2009-06-30 | 2011-03-23 | パナソニック株式会社 | 発光素子駆動装置および発光装置 |
KR101637345B1 (ko) * | 2009-08-17 | 2016-07-07 | 엘지전자 주식회사 | Led 구동 회로의 제어 방법 및 그 방법을 채용한 led 구동 회로 |
US8334662B2 (en) | 2009-09-11 | 2012-12-18 | Iwatt Inc. | Adaptive switch mode LED driver |
US8582374B2 (en) * | 2009-12-15 | 2013-11-12 | Intel Corporation | Method and apparatus for dynamically adjusting voltage reference to optimize an I/O system |
DE102010018865B4 (de) * | 2010-04-30 | 2015-11-26 | Austriamicrosystems Ag | Treiberschaltung für Leuchtdioden und Verfahren |
KR101158228B1 (ko) | 2011-01-31 | 2012-07-03 | 청주대학교 산학협력단 | 엘이디 구동 장치 |
US8710752B2 (en) | 2011-03-03 | 2014-04-29 | Dialog Semiconductor Inc. | Adaptive switch mode LED system |
KR102108330B1 (ko) * | 2012-09-25 | 2020-05-07 | 엘지디스플레이 주식회사 | 액정표시장치를 포함하는 전자기기 및 그 구동방법 |
US9538604B2 (en) | 2014-12-01 | 2017-01-03 | Hubbell Incorporated | Current splitter for LED lighting system |
DE102017119848B4 (de) | 2016-08-29 | 2023-12-28 | Elmos Semiconductor Se | Fehlerrobuste und energieeffiziente Vorrichtung zur Versorgung einer Mehrzahl von LED-Gruppen mit elektrischer Energie basierend auf der Erfassung der Spannungsabfälle über die LEDs |
DE102017119850B4 (de) | 2016-08-29 | 2023-12-28 | Elmos Semiconductor Se | Verfahren zur Power-Line basierenden Regelung der Versorgungsspannung von LEDs |
DE102016116489A1 (de) | 2016-08-29 | 2017-10-05 | Elmos Semiconductor Aktiengesellschaft | Vorrichtung zur fehlerrobusten Energieversorgung von LEDs basierend auf den Spannungsabfällen über deren Stromquellen |
DE102017119853B4 (de) | 2016-08-29 | 2023-12-28 | Elmos Semiconductor Se | Verfahren zur drahtlosen Regelung der Betriebsspannung für LED Beleuchtungen |
DE102017119851B4 (de) | 2016-08-29 | 2023-12-28 | Elmos Semiconductor Se | Verfahren zur drahtlosen Regelung der Betriebsspannung für Verbraucher mit verbraucherbedingter fester Betriebsspannung (insbes. LEDs) |
DE102017119852B4 (de) | 2016-08-29 | 2023-12-28 | Elmos Semiconductor Se | Verfahren zur Power-Line basierenden Regelung der Betriebsspannung für Verbraucher mit verbraucherbedingter fester Betriebsspannung (insbes. LEDs) |
DE102017119849B4 (de) | 2016-08-29 | 2023-12-28 | Elmos Semiconductor Se | Verfahren zur fehlerrobusten und energieeffizienten Energieversorgung für LEDs |
DE102017119847B4 (de) | 2016-08-29 | 2023-12-28 | Elmos Semiconductor Se | Fehlerrobuste und energieeffiziente Energieversorgung Vorrichtung zur Versorgung einer Mehrzahl von LED-Gruppen mit elektrischer Energie basierend auf der Erfassung der Spannungsabfälle über deren Stromquellen |
US10928046B2 (en) | 2017-05-05 | 2021-02-23 | Hubbell Incorporated | Light board for lighting fixture |
KR102581457B1 (ko) * | 2018-07-05 | 2023-09-21 | 엘지이노텍 주식회사 | 광원 구동장치 및 그 방법 |
DE102019113864B4 (de) | 2019-05-23 | 2023-06-15 | Elmos Semiconductor Se | Verfahren zur Regelung der Ausgangsspannung eines Spannungsreglers |
DE102023105074A1 (de) | 2023-03-01 | 2024-09-05 | Elmos Semiconductor Se | Ansteuervorrichtung und Verfahren zur Einstellung mehrerer verschiedener Betriebsspannungen |
DE102023105079A1 (de) | 2023-03-01 | 2024-09-05 | Elmos Semiconductor Se | Ansteuervorrichtung und Verfahren zur Einstellung mehrerer verschiedener Betriebsspannungen |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6888529B2 (en) * | 2000-12-12 | 2005-05-03 | Koninklijke Philips Electronics N.V. | Control and drive circuit arrangement for illumination performance enhancement with LED light sources |
JP2003241714A (ja) | 2001-12-13 | 2003-08-29 | Matsushita Electric Ind Co Ltd | 表示装置の駆動方法及び表示装置 |
KR100659531B1 (ko) * | 2003-11-27 | 2006-12-19 | 삼성에스디아이 주식회사 | 백라이트 구동회로 |
KR100637437B1 (ko) * | 2004-06-03 | 2006-10-20 | 삼성에스디아이 주식회사 | 액정 표시 장치 |
US7317403B2 (en) * | 2005-08-26 | 2008-01-08 | Philips Lumileds Lighting Company, Llc | LED light source for backlighting with integrated electronics |
-
2006
- 2006-02-09 KR KR1020060012691A patent/KR100665369B1/ko not_active IP Right Cessation
- 2006-11-23 DE DE102006055312A patent/DE102006055312A1/de not_active Ceased
- 2006-11-30 JP JP2006323261A patent/JP4503004B2/ja not_active Expired - Fee Related
- 2006-11-30 US US11/565,569 patent/US7800566B2/en not_active Expired - Fee Related
- 2006-12-08 CN CNA2006101608861A patent/CN101017646A/zh active Pending
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101636019B (zh) * | 2008-07-24 | 2013-07-03 | 颜睿志 | 主动式多通道led驱动电源系统 |
CN101636019A (zh) * | 2008-07-24 | 2010-01-27 | 颜睿志 | 主动式多通道led驱动电源系统 |
CN101730330B (zh) * | 2008-10-10 | 2013-02-20 | 华映视讯(吴江)有限公司 | 背光单元的驱动电路与方法 |
CN102036449A (zh) * | 2009-10-08 | 2011-04-27 | 英特赛尔美国股份有限公司 | 用于多相led驱动器的自适应pwm控制器 |
CN102014562A (zh) * | 2010-11-30 | 2011-04-13 | 深圳市中庆微科技开发有限公司 | 一种灯饰控制系统 |
CN102014562B (zh) * | 2010-11-30 | 2015-04-29 | 深圳市中庆微科技开发有限公司 | 一种灯饰控制系统 |
CN102186288B (zh) * | 2011-04-08 | 2015-07-08 | 浙江萤尔光电科技有限公司 | 一种智能led驱动芯片 |
CN102186288A (zh) * | 2011-04-08 | 2011-09-14 | 深圳市中庆微科技开发有限公司 | 一种智能led驱动芯片 |
CN104582125A (zh) * | 2013-10-10 | 2015-04-29 | 北京中电科电子装备有限公司 | 一种光源控制器 |
CN106097980A (zh) * | 2015-04-30 | 2016-11-09 | 三星显示有限公司 | 背光单元及具有背光单元的显示装置 |
CN110892791A (zh) * | 2017-08-15 | 2020-03-17 | 通用电气公司 | 照明设备、驱动电路及其驱动方法 |
CN113711696A (zh) * | 2019-05-23 | 2021-11-26 | 艾尔默斯半导体欧洲股份公司 | 用于调节电压调节器的输出电压的方法和装置 |
CN113711696B (zh) * | 2019-05-23 | 2023-11-07 | 艾尔默斯半导体欧洲股份公司 | 用于调节电压调节器的输出电压的方法和装置 |
US11968755B2 (en) | 2019-05-23 | 2024-04-23 | Elmos Semiconductor Se | Method and apparatuses for regulating the output voltage of a voltage regulator |
Also Published As
Publication number | Publication date |
---|---|
JP2007214111A (ja) | 2007-08-23 |
JP4503004B2 (ja) | 2010-07-14 |
DE102006055312A1 (de) | 2007-08-23 |
KR100665369B1 (ko) | 2007-01-09 |
US20070182698A1 (en) | 2007-08-09 |
US7800566B2 (en) | 2010-09-21 |
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C06 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: HU NAN QIU ZEYOU PATENT STRATEGIC PLANNING CO., LT Free format text: FORMER OWNER: QIU ZEYOU Effective date: 20101101 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 410011 28/F, SHUNTIANCHENG, NO.59, SECTION 2 OF FURONG MIDDLE ROAD, CHANGSHA CITY, HU NAN PROVINCE TO: 410205 JUXING INDUSTRY BASE, NO.8, LUJING ROAD, CHANGSHA HIGH-TECH. DEVELOPMENT ZONE, YUELU DISTRICT, CHANGSHA CITY, HU NAN PROVINCE |
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TA01 | Transfer of patent application right |
Effective date of registration: 20101109 Address after: Gyeonggi Do, South Korea Applicant after: Samsung Electro-Mechanics Co., Ltd. Co-applicant after: Samsung LED Co., Ltd. Address before: Gyeonggi Do, South Korea Applicant before: Samsung Electro-Mechanics Co., Ltd. |
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C12 | Rejection of a patent application after its publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20070815 |