CN105794317B - 用于改善led的调光的泄放器 - Google Patents
用于改善led的调光的泄放器 Download PDFInfo
- Publication number
- CN105794317B CN105794317B CN201480066454.7A CN201480066454A CN105794317B CN 105794317 B CN105794317 B CN 105794317B CN 201480066454 A CN201480066454 A CN 201480066454A CN 105794317 B CN105794317 B CN 105794317B
- Authority
- CN
- China
- Prior art keywords
- circuit
- transistor
- bleeder
- current
- resistor
- 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.)
- Active
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]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
-
- 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
-
- 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
- H05B45/395—Linear regulators
- H05B45/397—Current mirror circuits
-
- 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]
-
- 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
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13195842.3 | 2013-12-05 | ||
| EP13195842 | 2013-12-05 | ||
| PCT/EP2014/076660 WO2015082661A1 (en) | 2013-12-05 | 2014-12-05 | Bleeder for improving dimming of led |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105794317A CN105794317A (zh) | 2016-07-20 |
| CN105794317B true CN105794317B (zh) | 2018-11-09 |
Family
ID=49683634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480066454.7A Active CN105794317B (zh) | 2013-12-05 | 2014-12-05 | 用于改善led的调光的泄放器 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9949325B2 (enExample) |
| EP (1) | EP3078243B8 (enExample) |
| JP (1) | JP6495911B2 (enExample) |
| CN (1) | CN105794317B (enExample) |
| WO (1) | WO2015082661A1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109392216B (zh) * | 2018-03-22 | 2024-03-08 | 陕西亚成微电子股份有限公司 | 一种泄放电流自调节的方法及led可控硅调光电路 |
| US10652961B2 (en) * | 2018-03-22 | 2020-05-12 | Shaanxi Reactor Microelectronics Co., Ltd | Method for automatically regulating bleeder current and LED silicon-controlled-rectifier dimming circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101720150A (zh) * | 2008-10-09 | 2010-06-02 | 夏普株式会社 | Led驱动电路、led照明器件、led照明设备和led照明系统 |
| US20120319621A1 (en) * | 2011-06-17 | 2012-12-20 | Sehat Sutardja | Triac dimming systems for solid-state loads |
| DE202013003664U1 (de) * | 2012-04-18 | 2013-07-30 | Power Integrations Inc. | Ableitschaltung zur Verwendung in einem Netzteil |
| CN103650644A (zh) * | 2011-07-15 | 2014-03-19 | 西铁城控股株式会社 | Led照明装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2427280T3 (es) * | 2009-03-12 | 2013-10-29 | Koninklijke Philips N.V. | Iluminación con LED con comportamiento de temperatura de color de lámpara incandescente |
| JP2011003467A (ja) * | 2009-06-19 | 2011-01-06 | Minebea Co Ltd | 照明装置 |
| WO2010150158A1 (en) | 2009-06-26 | 2010-12-29 | Koninklijke Philips Electronics N.V. | Lighting arrangement comprising magnetic coding means |
| CA2781077A1 (en) | 2009-11-17 | 2012-06-28 | Terralux, Inc. | Led power-supply detection and control |
| US8476847B2 (en) | 2011-04-22 | 2013-07-02 | Crs Electronics | Thermal foldback system |
| US20140375223A1 (en) | 2011-06-10 | 2014-12-25 | Koninklijke Philips N.V. | Led light source |
| WO2013090700A2 (en) | 2011-12-16 | 2013-06-20 | Terralux, Inc. | Transformer voltage detection in dimmable lighting systems |
| EP2797128B1 (en) * | 2011-12-20 | 2017-04-19 | Citizen Watch Co., Ltd. | Led module |
-
2014
- 2014-12-05 WO PCT/EP2014/076660 patent/WO2015082661A1/en not_active Ceased
- 2014-12-05 US US15/038,586 patent/US9949325B2/en active Active
- 2014-12-05 EP EP14815599.7A patent/EP3078243B8/en active Active
- 2014-12-05 JP JP2016536244A patent/JP6495911B2/ja active Active
- 2014-12-05 CN CN201480066454.7A patent/CN105794317B/zh active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101720150A (zh) * | 2008-10-09 | 2010-06-02 | 夏普株式会社 | Led驱动电路、led照明器件、led照明设备和led照明系统 |
| US20120319621A1 (en) * | 2011-06-17 | 2012-12-20 | Sehat Sutardja | Triac dimming systems for solid-state loads |
| CN103650644A (zh) * | 2011-07-15 | 2014-03-19 | 西铁城控股株式会社 | Led照明装置 |
| DE202013003664U1 (de) * | 2012-04-18 | 2013-07-30 | Power Integrations Inc. | Ableitschaltung zur Verwendung in einem Netzteil |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3078243B8 (en) | 2019-04-10 |
| JP2016539477A (ja) | 2016-12-15 |
| EP3078243A1 (en) | 2016-10-12 |
| CN105794317A (zh) | 2016-07-20 |
| WO2015082661A1 (en) | 2015-06-11 |
| JP6495911B2 (ja) | 2019-04-03 |
| US20160302272A1 (en) | 2016-10-13 |
| EP3078243B1 (en) | 2019-02-27 |
| US9949325B2 (en) | 2018-04-17 |
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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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Eindhoven Patentee after: Signify Holdings Ltd. Address before: The city of Eindhoven in Holland Patentee before: PHILIPS LIGHTING HOLDING B.V. |