TW200746916A - LED driving device of overvoltage protection and duty control - Google Patents
LED driving device of overvoltage protection and duty controlInfo
- Publication number
- TW200746916A TW200746916A TW096113424A TW96113424A TW200746916A TW 200746916 A TW200746916 A TW 200746916A TW 096113424 A TW096113424 A TW 096113424A TW 96113424 A TW96113424 A TW 96113424A TW 200746916 A TW200746916 A TW 200746916A
- Authority
- TW
- Taiwan
- Prior art keywords
- voltage
- level
- driving device
- led driving
- overvoltage protection
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
-
- 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]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/38—Switched mode power supply [SMPS] using boost topology
-
- 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
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Led Devices (AREA)
- Dc-Dc Converters (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060036900A KR100771780B1 (ko) | 2006-04-24 | 2006-04-24 | 과전압 보호 및 듀티 제어 기능을 갖는 led 구동장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200746916A true TW200746916A (en) | 2007-12-16 |
TWI363580B TWI363580B (en) | 2012-05-01 |
Family
ID=38619056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW096113424A TWI363580B (en) | 2006-04-24 | 2007-04-17 | Led driving device of overvoltage protection and duty control |
Country Status (5)
Country | Link |
---|---|
US (1) | US7423389B2 (zh) |
JP (1) | JP4922052B2 (zh) |
KR (1) | KR100771780B1 (zh) |
NL (1) | NL2000605C2 (zh) |
TW (1) | TWI363580B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI450631B (zh) * | 2012-08-14 | 2014-08-21 | Univ Nat Cheng Kung | 具補償電容組之發光二極體驅動電路 |
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JP2008283033A (ja) * | 2007-05-11 | 2008-11-20 | Ricoh Co Ltd | 駆動回路及びその駆動回路を有する電子機器 |
KR100867551B1 (ko) * | 2007-05-18 | 2008-11-10 | 삼성전기주식회사 | Led 어레이 구동 장치 |
JP2009124027A (ja) * | 2007-11-16 | 2009-06-04 | Sanyo Electric Co Ltd | 発光素子駆動回路及び携帯電話 |
TWI367050B (en) * | 2007-12-12 | 2012-06-21 | Au Optronics Corp | Color control method for led lighting system |
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TW201103357A (en) * | 2009-07-06 | 2011-01-16 | Upec Electronics Corp | Light emitting device with compensation capability |
KR101683877B1 (ko) * | 2009-10-23 | 2016-12-07 | 엘지이노텍 주식회사 | 전원 공급 보호 장치 |
US8247992B2 (en) * | 2010-03-23 | 2012-08-21 | Green Mark Technology Inc. | LED driver circuit |
WO2011119921A2 (en) | 2010-03-26 | 2011-09-29 | Altair Engineering, Inc. | Led light with thermoelectric generator |
WO2011119958A1 (en) | 2010-03-26 | 2011-09-29 | Altair Engineering, Inc. | Inside-out led bulb |
CA2794512A1 (en) | 2010-03-26 | 2011-09-29 | David L. Simon | Led light tube with dual sided light distribution |
US8454193B2 (en) | 2010-07-08 | 2013-06-04 | Ilumisys, Inc. | Independent modules for LED fluorescent light tube replacement |
EP2593714A2 (en) | 2010-07-12 | 2013-05-22 | iLumisys, Inc. | Circuit board mount for led light tube |
KR101675856B1 (ko) * | 2010-08-31 | 2016-11-15 | 엘지디스플레이 주식회사 | 백 라이트 유닛과 이를 이용한 액정 표시장치 및 그의 구동방법 |
JP5132749B2 (ja) * | 2010-10-07 | 2013-01-30 | 三菱電機株式会社 | 光源点灯装置及び照明器具 |
US8523394B2 (en) | 2010-10-29 | 2013-09-03 | Ilumisys, Inc. | Mechanisms for reducing risk of shock during installation of light tube |
US8870415B2 (en) | 2010-12-09 | 2014-10-28 | Ilumisys, Inc. | LED fluorescent tube replacement light with reduced shock hazard |
WO2013028965A2 (en) | 2011-08-24 | 2013-02-28 | Ilumisys, Inc. | Circuit board mount for led light |
US8884867B2 (en) * | 2011-12-05 | 2014-11-11 | Apple Inc. | Efficient backlight short circuit protection |
WO2013131002A1 (en) | 2012-03-02 | 2013-09-06 | Ilumisys, Inc. | Electrical connector header for an led-based light |
US9163794B2 (en) | 2012-07-06 | 2015-10-20 | Ilumisys, Inc. | Power supply assembly for LED-based light tube |
US9271367B2 (en) | 2012-07-09 | 2016-02-23 | Ilumisys, Inc. | System and method for controlling operation of an LED-based light |
KR102103249B1 (ko) | 2013-01-08 | 2020-04-23 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 그것을 포함하는 표시 장치 |
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CN106063381A (zh) | 2014-01-22 | 2016-10-26 | 伊卢米斯公司 | 具有被寻址led的基于led的灯 |
KR101487321B1 (ko) * | 2014-03-13 | 2015-02-04 | 주식회사 이티스 | 엘이디 가로등 조도 자동 조절장치 |
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KR102342546B1 (ko) | 2015-08-12 | 2021-12-30 | 삼성전자주식회사 | Led 구동 장치, 조명 장치 및 전류 제어 회로 |
CN105407570A (zh) * | 2015-11-24 | 2016-03-16 | 芜湖锐芯电子科技有限公司 | 一种具有驱动升级的led灯具模块 |
FR3046329B1 (fr) * | 2015-12-24 | 2019-12-13 | STMicroelectronics (Alps) SAS | Dispositif de commande d'une diode |
CN105898918A (zh) * | 2016-05-03 | 2016-08-24 | 电子科技大学 | 一种用于线性恒流驱动led的过压保护电路 |
CN111796150B (zh) * | 2019-04-08 | 2023-09-22 | 华润微集成电路(无锡)有限公司 | 占空比检测电路及占空比检测方法 |
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-
2006
- 2006-04-24 KR KR1020060036900A patent/KR100771780B1/ko active IP Right Grant
-
2007
- 2007-04-17 TW TW096113424A patent/TWI363580B/zh active
- 2007-04-23 NL NL2000605A patent/NL2000605C2/nl active Search and Examination
- 2007-04-23 JP JP2007113133A patent/JP4922052B2/ja active Active
- 2007-04-23 US US11/785,953 patent/US7423389B2/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI450631B (zh) * | 2012-08-14 | 2014-08-21 | Univ Nat Cheng Kung | 具補償電容組之發光二極體驅動電路 |
Also Published As
Publication number | Publication date |
---|---|
US20070247450A1 (en) | 2007-10-25 |
TWI363580B (en) | 2012-05-01 |
KR100771780B1 (ko) | 2007-10-30 |
JP2007294969A (ja) | 2007-11-08 |
KR20070104804A (ko) | 2007-10-29 |
NL2000605C2 (nl) | 2013-01-22 |
NL2000605A1 (nl) | 2007-10-25 |
US7423389B2 (en) | 2008-09-09 |
JP4922052B2 (ja) | 2012-04-25 |
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