GB2540827A - LED driver circuit with stepwise adjustable power and LED lighting tube - Google Patents
LED driver circuit with stepwise adjustable power and LED lighting tube Download PDFInfo
- Publication number
- GB2540827A GB2540827A GB1520668.3A GB201520668A GB2540827A GB 2540827 A GB2540827 A GB 2540827A GB 201520668 A GB201520668 A GB 201520668A GB 2540827 A GB2540827 A GB 2540827A
- Authority
- GB
- United Kingdom
- Prior art keywords
- resistor
- connects
- driver circuit
- capacitor
- chip
- 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.)
- Withdrawn
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]
- H05B45/10—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
- H05B45/345—Current stabilisation; Maintaining constant current
-
- 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
- Circuit Arrangement For Electric Light Sources In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510457766.7A CN105072747B (zh) | 2015-07-30 | 2015-07-30 | 一种分段调功率的led驱动电路及led灯管 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB201520668D0 GB201520668D0 (en) | 2016-01-06 |
GB2540827A true GB2540827A (en) | 2017-02-01 |
Family
ID=54501984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1520668.3A Withdrawn GB2540827A (en) | 2015-07-30 | 2015-11-24 | LED driver circuit with stepwise adjustable power and LED lighting tube |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN105072747B (zh) |
DE (1) | DE102015120498A1 (zh) |
GB (1) | GB2540827A (zh) |
NL (1) | NL2015840B1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105375781A (zh) * | 2015-12-21 | 2016-03-02 | 常州市肯迪电器制造有限公司 | 一种手持便携式低压直流电热刀的电路*** |
CN105530724B (zh) * | 2016-01-14 | 2019-01-18 | 华南理工大学 | 基于scc的可均流独立调光多路led驱动电路 |
CN109168215B (zh) * | 2018-09-04 | 2021-01-15 | 广东明丰电源电器实业有限公司 | 一种基于多通道控制的调光电路 |
CN110677956A (zh) * | 2019-10-15 | 2020-01-10 | 横店集团得邦照明股份有限公司 | 一种可控硅调光及开关分段切换的led电路及其实现方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030117087A1 (en) * | 2000-03-17 | 2003-06-26 | Tridonicatco Gmbh & Co. Kg | Drive circuit for light-emitting diodes |
US20110109249A1 (en) * | 2009-11-10 | 2011-05-12 | Green Mark Technology Inc. | Dimmable led lamp and dimmable led lighting apparatus |
US20110291585A1 (en) * | 2010-05-26 | 2011-12-01 | Mass Technology (H.K.) Limited | Stepped dimming device for led lamp |
EP2571334A1 (en) * | 2011-09-14 | 2013-03-20 | Alpine Electronics, Inc. | LED lighting time control apparatus |
US20130088173A1 (en) * | 2008-03-24 | 2013-04-11 | Kabushiki Kaisha Toshiba | Power supply device and lighting equipment |
CN103256509A (zh) * | 2013-05-22 | 2013-08-21 | 北京铨富光电科技有限公司 | 一种无外置调光器的分段式led可调光灯及其调光方法 |
US20150042227A1 (en) * | 2013-08-09 | 2015-02-12 | Osram Sylvania Inc. | Bi-level current configurable driver |
WO2015175694A2 (en) * | 2014-05-13 | 2015-11-19 | Ilumisys, Inc. | User input systems for an led-based light |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7906913B2 (en) * | 2008-04-18 | 2011-03-15 | Osram Sylvania Inc. | Low loss input channel detection device for a direct current powered lighting system |
CN101649980A (zh) * | 2008-08-15 | 2010-02-17 | 胡奎生 | 一种高效太阳能路灯 |
WO2010021675A1 (en) * | 2008-08-18 | 2010-02-25 | Superbulbs, Inc. | Settable light bulbs |
CN101984735A (zh) * | 2010-11-26 | 2011-03-09 | 皇明洁能控股有限公司 | Led恒流驱动器和照明*** |
US9360198B2 (en) * | 2011-12-06 | 2016-06-07 | Express Imaging Systems, Llc | Adjustable output solid-state lighting device |
CN102711318A (zh) * | 2012-05-02 | 2012-10-03 | 浙江阳光照明电器集团股份有限公司 | 一种led城市公共照明灯具智能控制*** |
US9144129B2 (en) * | 2012-06-06 | 2015-09-22 | The Regents Of The University Of California | Switchable luminance LED light bulb |
US9049769B2 (en) * | 2012-06-07 | 2015-06-02 | Seckin KEMAL SECILMIS | LED light bulb with failure indication and color change capability |
US20140265931A1 (en) * | 2013-03-15 | 2014-09-18 | Hatch Transformers, Inc. | Electrical Power Supply With Removable Plug-In Cartridge |
DE102014109466A1 (de) * | 2014-01-17 | 2015-07-23 | Siteco Beleuchtungstechnik Gmbh | Schaltung zur LED-Stromversorgung |
CN204993966U (zh) * | 2015-07-30 | 2016-01-20 | 惠州市信迪节能环保科技有限公司 | 一种分段调功率的led驱动电路及led灯管 |
-
2015
- 2015-07-30 CN CN201510457766.7A patent/CN105072747B/zh active Active
- 2015-11-23 NL NL2015840A patent/NL2015840B1/en not_active IP Right Cessation
- 2015-11-24 GB GB1520668.3A patent/GB2540827A/en not_active Withdrawn
- 2015-11-26 DE DE102015120498.3A patent/DE102015120498A1/de not_active Ceased
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030117087A1 (en) * | 2000-03-17 | 2003-06-26 | Tridonicatco Gmbh & Co. Kg | Drive circuit for light-emitting diodes |
US20130088173A1 (en) * | 2008-03-24 | 2013-04-11 | Kabushiki Kaisha Toshiba | Power supply device and lighting equipment |
US20110109249A1 (en) * | 2009-11-10 | 2011-05-12 | Green Mark Technology Inc. | Dimmable led lamp and dimmable led lighting apparatus |
US20110291585A1 (en) * | 2010-05-26 | 2011-12-01 | Mass Technology (H.K.) Limited | Stepped dimming device for led lamp |
EP2571334A1 (en) * | 2011-09-14 | 2013-03-20 | Alpine Electronics, Inc. | LED lighting time control apparatus |
CN103256509A (zh) * | 2013-05-22 | 2013-08-21 | 北京铨富光电科技有限公司 | 一种无外置调光器的分段式led可调光灯及其调光方法 |
US20150042227A1 (en) * | 2013-08-09 | 2015-02-12 | Osram Sylvania Inc. | Bi-level current configurable driver |
WO2015175694A2 (en) * | 2014-05-13 | 2015-11-19 | Ilumisys, Inc. | User input systems for an led-based light |
Also Published As
Publication number | Publication date |
---|---|
CN105072747B (zh) | 2017-08-25 |
NL2015840A (en) | 2017-02-02 |
DE102015120498A1 (de) | 2017-02-02 |
NL2015840B1 (en) | 2019-01-28 |
CN105072747A (zh) | 2015-11-18 |
GB201520668D0 (en) | 2016-01-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5031865B2 (ja) | Led駆動回路、led照明灯具、led照明機器、及びled照明システム | |
US11153946B2 (en) | Circuit for linearly driving LED illumination based on MCU-controlled color temperature switching | |
NL2015840B1 (en) | LED driver circuit with stepwise adjustable power and LED lighting tube. | |
JP3201800U (ja) | パワー調整可能にセグメント化されたled駆動回路とledランプ | |
TWI587737B (zh) | 調光模組以及固態光源裝置 | |
WO2014122891A1 (ja) | 駆動回路、照明用光源、及び、照明装置 | |
WO2020073359A1 (zh) | 调光调色无频闪筒灯电路设计 | |
US20200107417A1 (en) | Led current ripple elimination circuit applicable to very low triac dimming depth | |
WO2015021706A1 (zh) | 调光电路及可调光照明设备 | |
TWI565362B (zh) | 固態光源裝置與其調光電路 | |
TWM465514U (zh) | 具線性式led串列群組驅動裝置之光源模組 | |
Adragna | Primary-controlled high-PF flyback converters deliver constant dc output current | |
US9462645B1 (en) | LED driver circuit with stepwise adjustable power and LED lighting tube | |
CN204616142U (zh) | 一种可调光led台灯 | |
Wang et al. | Design and implementation of a single-stage high-efficacy LED driver with dynamic voltage regulation | |
TWI501702B (zh) | 使用切換式開關之調光方法及相關照明系統 | |
CN204993966U (zh) | 一种分段调功率的led驱动电路及led灯管 | |
WO2018166235A1 (zh) | 一种led灯调光*** | |
JP3185138U (ja) | 駆動回路 | |
TWI594663B (zh) | 光源驅動器及包含此光源驅動器之照明裝置 | |
CN203984739U (zh) | 自动调光触摸台灯 | |
CN203912269U (zh) | 一种自激式triac调光电路 | |
TW201408126A (zh) | 發光二極體調光裝置 | |
CN203231200U (zh) | 脉冲叠加分段式调光led吸顶灯 | |
JP2014060904A (ja) | 電源装置及び照明装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |