JP5333768B2 - Led点灯装置および照明装置 - Google Patents
Led点灯装置および照明装置 Download PDFInfo
- Publication number
- JP5333768B2 JP5333768B2 JP2009205087A JP2009205087A JP5333768B2 JP 5333768 B2 JP5333768 B2 JP 5333768B2 JP 2009205087 A JP2009205087 A JP 2009205087A JP 2009205087 A JP2009205087 A JP 2009205087A JP 5333768 B2 JP5333768 B2 JP 5333768B2
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- Japan
- Prior art keywords
- circuit
- lighting device
- led
- resistor
- dimmer
- 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.)
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- 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
- H05B45/357—Driver circuits specially adapted for retrofit LED light sources
- H05B45/3574—Emulating the electrical or functional characteristics of incandescent lamps
- H05B45/3575—Emulating the electrical or functional characteristics of incandescent lamps by means of dummy loads or bleeder circuits, e.g. for dimmers
-
- 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]
- H05B45/375—Switched mode power supply [SMPS] using buck topology
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Description
図3の(a)の例は、インダクタL2がLED点灯回路LOCおよび後述するブリーダ電流引出手段BCSを高周波的にバイパスしている回路部分に接続しているコンデンサC3と直列接続している。この変形例によれば、インダクタL2にはLED点灯回路LOCおよびブリーダ電流引出手段BCSに流れる電流が通流しないので、その巻線を小形化することができる。このため、前述の効果を奏する。
Claims (4)
- 交流電圧を位相制御する位相制御素子、位相制御素子をターンオンさせるタイミングを決定するタイマー回路およびフィルタ回路を備えた調光器により位相制御された交流電圧が入力する一対の入力端子と;
交流電源から調光器を経由して入力電流が流入する位置に直列に挿入された第1の抵抗器およびインダクタを備えるとともに、交流電源、調光器、第1の抵抗器およびインダクタと閉回路を形成するように交流電源と並列に接続されたコンデンサを備え、調光器の位相制御素子がターンオンした際に調光器側に発生する高周波振動を抑制するダンピング回路と;
一対の入力端子を経由して入力した位相制御された交流電圧を整流する整流回路および整流回路の直流出力電圧を負荷に適合するように変換してLEDを点灯するコンバータを備えたLED点灯回路と;
を具備していることを特徴とするLED点灯装置。 - ダンピング回路は、交流電源に並列かつコンデンサと直列に接続された第2の抵抗器を備えている
ことを特徴とする請求項1記載のLED点灯装置。 - 照明装置本体と;
照明装置本体に配設された請求項1または2記載のLED点灯装置と;
コンバータの出力端に接続するとともに照明装置本体に支持されたLEDと;
を具備していることを特徴とする照明装置。 - 照明装置本体は、交流電源に接続して受電する口金を備えており;
LED点灯装置は、第1の抵抗器がヒューズ抵抗器からなるとともに口金の内部に配置されている;
ことを特徴とする請求項3記載の照明装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009205087A JP5333768B2 (ja) | 2009-09-04 | 2009-09-04 | Led点灯装置および照明装置 |
CN201010274066.1A CN102014546B (zh) | 2009-09-04 | 2010-09-01 | Led点灯装置以及照明装置 |
EP10174903A EP2302980A3 (en) | 2009-09-04 | 2010-09-01 | LED lighting device and illumination apparatus |
US12/874,282 US8610363B2 (en) | 2009-09-04 | 2010-09-02 | LED lighting device and illumination apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009205087A JP5333768B2 (ja) | 2009-09-04 | 2009-09-04 | Led点灯装置および照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011054537A JP2011054537A (ja) | 2011-03-17 |
JP5333768B2 true JP5333768B2 (ja) | 2013-11-06 |
Family
ID=43500223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009205087A Active JP5333768B2 (ja) | 2009-09-04 | 2009-09-04 | Led点灯装置および照明装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8610363B2 (ja) |
EP (1) | EP2302980A3 (ja) |
JP (1) | JP5333768B2 (ja) |
CN (1) | CN102014546B (ja) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4636102B2 (ja) | 2008-03-24 | 2011-02-23 | 東芝ライテック株式会社 | 電源装置及び照明器具 |
JP4600583B2 (ja) | 2008-09-10 | 2010-12-15 | 東芝ライテック株式会社 | 調光機能を有する電源装置及び照明器具 |
WO2014179994A1 (en) * | 2013-05-10 | 2014-11-13 | Shanghai Sim-Bcd Semiconductor Manufacturing Co., Ltd. | Power supply for led lamp with triac dimmer |
JP5331154B2 (ja) * | 2011-04-27 | 2013-10-30 | シャープ株式会社 | Led駆動回路及びled照明灯具 |
JP2012242910A (ja) * | 2011-05-16 | 2012-12-10 | Panasonic Corp | 負荷制御装置 |
KR101847520B1 (ko) * | 2011-05-19 | 2018-04-10 | 페어차일드코리아반도체 주식회사 | 액티브 댐퍼 및 액티브 댐퍼 구동 방법 |
US8816592B2 (en) * | 2011-05-19 | 2014-08-26 | Fairchild Korea Semiconductor Ltd. | Active damper and driving method thereof |
CN102325400A (zh) * | 2011-06-16 | 2012-01-18 | 台达电子企业管理(上海)有限公司 | 调光***及其阻尼电路 |
IN2014CN01632A (ja) | 2011-09-06 | 2015-05-08 | Koninkl Philips Nv | |
CN103052200B (zh) * | 2011-10-13 | 2016-04-20 | 欧司朗股份有限公司 | 照明控制***及其控制方法 |
JP5411918B2 (ja) * | 2011-11-30 | 2014-02-12 | シャープ株式会社 | Led駆動回路及びled照明灯具 |
TWI434622B (zh) * | 2011-12-30 | 2014-04-11 | Macroblock Inc | 轉換器之等效電阻值的控制方法與裝置 |
JP5768979B2 (ja) * | 2012-01-19 | 2015-08-26 | 東芝ライテック株式会社 | 調光装置 |
KR20170086687A (ko) * | 2012-01-20 | 2017-07-26 | 오스람 실바니아 인코포레이티드 | Led들 및 전원의 컨디션을 평가하기 위한 기법들 |
US8847498B2 (en) | 2012-05-16 | 2014-09-30 | Technical Consumer Products, Inc. | Resonant damping circuit for triac dimmable |
KR101341976B1 (ko) * | 2012-06-04 | 2013-12-16 | 주식회사 루멘스 | 엘이디 조명장치 |
BR112014030874A2 (pt) | 2012-06-14 | 2017-06-27 | Koninklijke Philips Nv | dispositivo de fusível e resistor para um dispositivo de iluminação de estado sólido, e dispositivo de iluminação de estado sólido |
CN103516184A (zh) * | 2012-06-21 | 2014-01-15 | 快捷韩国半导体有限公司 | 有源阻尼电路、有源阻尼方法、包括该有源阻尼电路的电源装置 |
KR101393746B1 (ko) * | 2012-06-29 | 2014-05-12 | 엘지이노텍 주식회사 | Led 전류 제어 회로 |
KR101470076B1 (ko) * | 2012-07-13 | 2014-12-10 | 엘지이노텍 주식회사 | 발광 다이오드용 전원 공급 장치 |
US8680781B1 (en) * | 2012-09-07 | 2014-03-25 | Infineon Technologies Austria Ag | Circuit and method for driving LEDs |
CN103687140B (zh) * | 2012-09-10 | 2017-09-19 | 欧司朗股份有限公司 | 驱动器和包括该驱动器的照明装置 |
CN103687154B (zh) * | 2012-09-20 | 2017-11-07 | 欧司朗股份有限公司 | 切相调光控制电路和照明控制装置 |
GB2507982A (en) * | 2012-11-15 | 2014-05-21 | Tridonic Gmbh & Co Kg | Converter module and method for dimming at least one LED |
CN203219540U (zh) * | 2013-03-06 | 2013-09-25 | 厦门阳光恩耐照明有限公司 | 一种具有led调光线性补偿的电路 |
TW201440576A (zh) * | 2013-04-04 | 2014-10-16 | Richtek Technology Corp | 發光元件電源供應電路與用於其中之減幅電路及其驅動方法 |
WO2015011128A1 (en) * | 2013-07-22 | 2015-01-29 | Koninklijke Philips N.V. | Device and method for dampening oscillations in the dimmer-attach phase when a dimmer is used with a low power lamp |
JP2016019424A (ja) * | 2014-07-10 | 2016-02-01 | ミネベア株式会社 | 電源装置及び照明装置 |
CN106714401A (zh) * | 2015-08-14 | 2017-05-24 | 通用电气照明解决方案有限公司 | 一种阻尼电路、led驱动器和led照明*** |
CN105848351A (zh) * | 2016-05-09 | 2016-08-10 | 陈文军 | 一种兼容性led电路 |
WO2018095763A1 (en) * | 2016-11-24 | 2018-05-31 | Philips Lighting Holding B.V. | Ac/dc converters having power factor correction |
US10511142B2 (en) * | 2017-05-03 | 2019-12-17 | Analog Modules, Inc. | Pulsed laser diode drivers and methods |
CN110662324A (zh) * | 2018-06-28 | 2020-01-07 | 朗德万斯公司 | 驱动器和照明模块 |
CN108934110B (zh) * | 2018-08-20 | 2020-01-31 | 浙江凯耀照明股份有限公司 | Led灯低亮度下的调光控制电路及其控制方法 |
CN210075638U (zh) * | 2019-01-28 | 2020-02-14 | 深圳市鸿远微思电子有限公司 | 一种led调光器结合电抗器的应用装置 |
Family Cites Families (98)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3697774A (en) * | 1971-08-20 | 1972-10-10 | Grigsby Barton Inc | Thyristor circuits for applying a voltage to a load |
GB1450931A (en) * | 1973-01-17 | 1976-09-29 | Ass Elect Ind | Frequency selective damping circuits for use in ac power systems |
US4864482A (en) | 1988-07-07 | 1989-09-05 | Etta Industries, Inc. | Conversion circuit for limiting inrush current |
JP2793836B2 (ja) | 1989-04-25 | 1998-09-03 | 松下電工株式会社 | 照明負荷制御装置 |
JPH0945481A (ja) | 1995-07-31 | 1997-02-14 | Matsushita Electric Works Ltd | 照明装置 |
WO1997012308A1 (en) | 1995-09-29 | 1997-04-03 | Motorola Inc. | In-rush current reduction circuit for boost converters and electronic ballasts |
JPH1064683A (ja) | 1996-08-14 | 1998-03-06 | Matsushita Electric Works Ltd | 調光装置 |
US5811941A (en) | 1997-03-01 | 1998-09-22 | Barton; Bina M. | High frequency electronic ballast for a high intensity discharge lamp |
CN2310432Y (zh) * | 1997-08-18 | 1999-03-10 | 徐锟柏 | 用于调光器的驱动电路 |
JPH1187072A (ja) | 1997-09-12 | 1999-03-30 | Matsushita Electric Works Ltd | 調光器 |
US6153980A (en) | 1999-11-04 | 2000-11-28 | Philips Electronics North America Corporation | LED array having an active shunt arrangement |
JP3991544B2 (ja) | 2000-01-26 | 2007-10-17 | 松下電工株式会社 | 熱線センサ付ライト |
DE10013215B4 (de) | 2000-03-17 | 2010-07-29 | Tridonicatco Gmbh & Co. Kg | Ansteuerschaltung für Leuchtdioden |
JP2002231471A (ja) | 2001-01-31 | 2002-08-16 | Toshiba Lighting & Technology Corp | Led点灯装置及び照明装置 |
US6628093B2 (en) | 2001-04-06 | 2003-09-30 | Carlile R. Stevens | Power inverter for driving alternating current loads |
US6731075B2 (en) | 2001-11-02 | 2004-05-04 | Ampr Llc | Method and apparatus for lighting a discharge lamp |
JP2003157986A (ja) | 2001-11-26 | 2003-05-30 | Matsushita Electric Works Ltd | 照明装置 |
US7358679B2 (en) | 2002-05-09 | 2008-04-15 | Philips Solid-State Lighting Solutions, Inc. | Dimmable LED-based MR16 lighting apparatus and methods |
JPWO2003105542A1 (ja) | 2002-06-07 | 2005-10-13 | 松下電器産業株式会社 | 無電極放電ランプ点灯装置、電球形無電極蛍光ランプおよび放電ランプ点灯装置 |
JP4123886B2 (ja) | 2002-09-24 | 2008-07-23 | 東芝ライテック株式会社 | Led点灯装置 |
US6787999B2 (en) | 2002-10-03 | 2004-09-07 | Gelcore, Llc | LED-based modular lamp |
WO2004057924A1 (en) | 2002-12-19 | 2004-07-08 | Koninklijke Philips Electronics N.V. | Leds driver |
US7102340B1 (en) | 2003-01-21 | 2006-09-05 | Microsemi Corporation | Dual-mode PFM boost converter |
JP4175144B2 (ja) | 2003-03-03 | 2008-11-05 | ウシオ電機株式会社 | ランプ点灯装置 |
JP4370794B2 (ja) * | 2003-03-26 | 2009-11-25 | パナソニック電工株式会社 | Led調光点灯装置及び照明器具 |
JP2004327152A (ja) | 2003-04-23 | 2004-11-18 | Toshiba Lighting & Technology Corp | Led点灯装置およびled照明器具 |
JP4094477B2 (ja) | 2003-04-28 | 2008-06-04 | 株式会社小糸製作所 | 車両用灯具 |
JP2005011739A (ja) | 2003-06-20 | 2005-01-13 | Matsushita Electric Ind Co Ltd | 調光時誤動作防止回路および照明装置 |
JP4569245B2 (ja) | 2003-09-30 | 2010-10-27 | 東芝ライテック株式会社 | Led照明装置及び照明システム |
US7335966B2 (en) | 2004-02-26 | 2008-02-26 | Triad Semiconductor, Inc. | Configurable integrated circuit capacitor array using via mask layers |
US7557521B2 (en) | 2004-03-15 | 2009-07-07 | Philips Solid-State Lighting Solutions, Inc. | LED power control methods and apparatus |
NZ545325A (en) * | 2004-05-19 | 2008-08-29 | Goeken Group Corp | Dynamic snubbing for LED lighting converter |
US6969977B1 (en) | 2004-06-10 | 2005-11-29 | National Semiconductor Corporation | Soft-start voltage regulator circuit |
DE602004022518D1 (de) | 2004-06-14 | 2009-09-24 | St Microelectronics Srl | LED-Ssteuergeräte mit Lichtintensitätsänderung |
CN100486401C (zh) * | 2004-06-16 | 2009-05-06 | 张步学 | 直流型荧光灯调光器 |
US7202608B2 (en) | 2004-06-30 | 2007-04-10 | Tir Systems Ltd. | Switched constant current driving and control circuit |
US7106036B1 (en) | 2004-06-30 | 2006-09-12 | National Semiconductor Corporation | Apparatus and method for high-frequency PWM with soft-start |
JP4614713B2 (ja) | 2004-08-13 | 2011-01-19 | 三洋電機株式会社 | Led制御回路 |
JP5048506B2 (ja) | 2004-10-27 | 2012-10-17 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 調光可能なled電源における起動フリッカ抑制 |
JP2006164727A (ja) | 2004-12-07 | 2006-06-22 | Koito Mfg Co Ltd | 車両用灯具の点灯制御回路 |
ES2298987T3 (es) | 2005-02-02 | 2008-05-16 | Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh | Metodo y sistema para atenuar fuentes de luz. |
US7102902B1 (en) * | 2005-02-17 | 2006-09-05 | Ledtronics, Inc. | Dimmer circuit for LED |
US7323828B2 (en) | 2005-04-25 | 2008-01-29 | Catalyst Semiconductor, Inc. | LED current bias control using a step down regulator |
WO2006120629A2 (en) | 2005-05-09 | 2006-11-16 | Koninklijke Philips Electronics N.V. | Method and circuit for enabling dimming using triac dimmer |
KR100587022B1 (ko) | 2005-05-18 | 2006-06-08 | 삼성전기주식회사 | 디밍 회로를 갖는 led 구동회로 |
TW200704283A (en) | 2005-05-27 | 2007-01-16 | Lamina Ceramics Inc | Solid state LED bridge rectifier light engine |
KR100735480B1 (ko) | 2005-06-30 | 2007-07-03 | 삼성전기주식회사 | 정전류 제어기능을 갖는 백라이트용 led 구동회로 |
JP4823604B2 (ja) | 2005-08-05 | 2011-11-24 | ローム株式会社 | ソフトスタート回路、電源装置、電気機器 |
CN2854998Y (zh) | 2005-12-02 | 2007-01-03 | 吕大明 | 防电网噪声干扰led照明电路 |
US7906617B2 (en) * | 2005-12-15 | 2011-03-15 | E. I. Du Pont De Nemours And Company | Polyethylene binding peptides and methods of use |
JP5717947B2 (ja) | 2005-12-20 | 2015-05-13 | コーニンクレッカ フィリップス エヌ ヴェ | 電子デバイスに供給される電流を制御するための方法および装置 |
US7656103B2 (en) * | 2006-01-20 | 2010-02-02 | Exclara, Inc. | Impedance matching circuit for current regulation of solid state lighting |
US7579816B2 (en) | 2006-02-07 | 2009-08-25 | Linear Technology Corporation | Single feedback input for regulation at both positive and negative voltage levels |
KR100917623B1 (ko) | 2006-02-13 | 2009-09-17 | 삼성전자주식회사 | Led 구동장치 |
JP4715547B2 (ja) * | 2006-02-23 | 2011-07-06 | パナソニック電工株式会社 | 照明用電源回路、照明装置、及び照明システム |
US7439679B2 (en) | 2006-03-16 | 2008-10-21 | Motorola, Inc. | Method and apparatus for illuminating light sources within an electronic device |
US8018173B2 (en) | 2006-09-03 | 2011-09-13 | Fulham Company Ltd. | Ballasts for fluorescent lamps |
GB0617393D0 (en) | 2006-09-04 | 2006-10-11 | Lutron Electronics Co | Variable load circuits for use with lighting control devices |
TW200814857A (en) | 2006-09-05 | 2008-03-16 | Beyond Innovation Tech Co Ltd | Driving apparatus of light source |
TW200816608A (en) | 2006-09-26 | 2008-04-01 | Beyond Innovation Tech Co Ltd | DC/DC converter |
TWI326563B (en) | 2006-10-18 | 2010-06-21 | Chunghwa Picture Tubes Ltd | Light source driving circuit |
JP4944562B2 (ja) * | 2006-10-18 | 2012-06-06 | パナソニック株式会社 | スイッチング電源装置 |
US7633779B2 (en) * | 2007-01-31 | 2009-12-15 | Lighting Science Group Corporation | Method and apparatus for operating a light emitting diode with a dimmer |
US8018171B1 (en) | 2007-03-12 | 2011-09-13 | Cirrus Logic, Inc. | Multi-function duty cycle modifier |
US7804256B2 (en) | 2007-03-12 | 2010-09-28 | Cirrus Logic, Inc. | Power control system for current regulated light sources |
US8076920B1 (en) | 2007-03-12 | 2011-12-13 | Cirrus Logic, Inc. | Switching power converter and control system |
US7976182B2 (en) | 2007-03-21 | 2011-07-12 | International Rectifier Corporation | LED lamp assembly with temperature control and method of making the same |
DE102007014399B4 (de) | 2007-03-26 | 2012-06-06 | Texas Instruments Deutschland Gmbh | Regelschleife mit zwei Betriebsarten für getakteten Stromwandler |
US7480159B2 (en) | 2007-04-19 | 2009-01-20 | Leadtrend Technology Corp. | Switching-mode power converter and pulse-width-modulation control circuit with primary-side feedback control |
US8330393B2 (en) | 2007-04-20 | 2012-12-11 | Analog Devices, Inc. | System for time-sequential LED-string excitation |
US7978485B2 (en) * | 2007-05-04 | 2011-07-12 | Stmicroelectronics, Inc. | Thyristor power control circuit with damping circuit maintaining thyristor holding current |
RU2479955C2 (ru) | 2007-05-07 | 2013-04-20 | Конинклейке Филипс Электроникс Н.В. | Устройство и способ освещения на основе сид с высоким коэффициентом мощности |
US7750616B2 (en) | 2007-06-21 | 2010-07-06 | Green Mark Technology Inc. | Buck converter LED driver circuit |
US8102127B2 (en) | 2007-06-24 | 2012-01-24 | Cirrus Logic, Inc. | Hybrid gas discharge lamp-LED lighting system |
KR20090047061A (ko) | 2007-11-07 | 2009-05-12 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 갖는 표시장치 |
WO2009014418A1 (en) | 2007-07-24 | 2009-01-29 | A.C. Pasma Holding B.V. | Method and current control circuit for operating an electronic gas discharge lamp |
US20100207536A1 (en) | 2007-10-26 | 2010-08-19 | Lighting Science Group Corporation | High efficiency light source with integrated ballast |
US7671542B2 (en) | 2007-11-07 | 2010-03-02 | Au Optronics Corporation | Color control of multi-zone LED backlight |
US7595786B2 (en) | 2007-11-13 | 2009-09-29 | Capella Microsystems, Corp. | Illumination system and illumination control method for adaptively adjusting color temperature |
US7791326B2 (en) | 2007-12-28 | 2010-09-07 | Texas Instruments Incorporated | AC-powered, microprocessor-based, dimming LED power supply |
US8115419B2 (en) | 2008-01-23 | 2012-02-14 | Cree, Inc. | Lighting control device for controlling dimming, lighting device including a control device, and method of controlling lighting |
US8022634B2 (en) * | 2008-02-05 | 2011-09-20 | Intersil Americas Inc. | Method and system for dimming AC-powered light emitting diode (LED) lighting systems using conventional incandescent dimmers |
US20090295300A1 (en) | 2008-02-08 | 2009-12-03 | Purespectrum, Inc | Methods and apparatus for a dimmable ballast for use with led based light sources |
US7855520B2 (en) | 2008-03-19 | 2010-12-21 | Niko Semiconductor Co., Ltd. | Light-emitting diode driving circuit and secondary side controller for controlling the same |
JP4687735B2 (ja) | 2008-03-24 | 2011-05-25 | 東芝ライテック株式会社 | 電源装置及び照明器具 |
US8829812B2 (en) * | 2008-04-04 | 2014-09-09 | Koninklijke Philips N.V. | Dimmable lighting system |
GB0811713D0 (en) | 2008-04-04 | 2008-07-30 | Lemnis Lighting Patent Holding | Dimmer triggering circuit, dimmer system and dimmable device |
US7936132B2 (en) * | 2008-07-16 | 2011-05-03 | Iwatt Inc. | LED lamp |
US8212491B2 (en) * | 2008-07-25 | 2012-07-03 | Cirrus Logic, Inc. | Switching power converter control with triac-based leading edge dimmer compatibility |
US8093826B1 (en) | 2008-08-26 | 2012-01-10 | National Semiconductor Corporation | Current mode switcher having novel switch mode control topology and related method |
US8013544B2 (en) | 2008-12-10 | 2011-09-06 | Linear Technology Corporation | Dimmer control leakage pull down using main power device in flyback converter |
US8044608B2 (en) | 2008-12-12 | 2011-10-25 | O2Micro, Inc | Driving circuit with dimming controller for driving light sources |
JP5398249B2 (ja) * | 2008-12-12 | 2014-01-29 | シャープ株式会社 | 電源装置及び照明装置 |
US8076867B2 (en) | 2008-12-12 | 2011-12-13 | O2Micro, Inc. | Driving circuit with continuous dimming function for driving light sources |
JP2010267415A (ja) | 2009-05-12 | 2010-11-25 | Toshiba Lighting & Technology Corp | 照明装置 |
TWM368993U (en) * | 2009-05-26 | 2009-11-11 | Cal Comp Electronics & Comm Co | Driving circuit of light emitting diode and lighting apparatus |
JP5500476B2 (ja) * | 2009-05-28 | 2014-05-21 | 株式会社アイ・ライティング・システム | 照明用ledランプの電源装置および照明システム |
TWI423724B (zh) | 2009-07-24 | 2014-01-11 | Novatek Microelectronics Corp | 可動態維持定電流驅動之光源驅動裝置及其相關方法 |
-
2009
- 2009-09-04 JP JP2009205087A patent/JP5333768B2/ja active Active
-
2010
- 2010-09-01 CN CN201010274066.1A patent/CN102014546B/zh active Active
- 2010-09-01 EP EP10174903A patent/EP2302980A3/en not_active Withdrawn
- 2010-09-02 US US12/874,282 patent/US8610363B2/en not_active Expired - Fee Related
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CN102014546B (zh) | 2014-08-20 |
US8610363B2 (en) | 2013-12-17 |
CN102014546A (zh) | 2011-04-13 |
EP2302980A3 (en) | 2013-01-02 |
US20110057578A1 (en) | 2011-03-10 |
EP2302980A2 (en) | 2011-03-30 |
JP2011054537A (ja) | 2011-03-17 |
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