CN107371300A - 一种防噪声led光源调光控制*** - Google Patents
一种防噪声led光源调光控制*** Download PDFInfo
- Publication number
- CN107371300A CN107371300A CN201710839914.0A CN201710839914A CN107371300A CN 107371300 A CN107371300 A CN 107371300A CN 201710839914 A CN201710839914 A CN 201710839914A CN 107371300 A CN107371300 A CN 107371300A
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- CN
- China
- Prior art keywords
- current
- light source
- led light
- drive circuits
- limiting circuit
- 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
- H05B45/395—Linear regulators
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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]
- H05B45/10—Controlling the intensity of the light
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- 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)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710839914.0A CN107371300B (zh) | 2017-09-18 | 2017-09-18 | 一种防噪声led光源调光控制*** |
Applications Claiming Priority (1)
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CN201710839914.0A CN107371300B (zh) | 2017-09-18 | 2017-09-18 | 一种防噪声led光源调光控制*** |
Publications (2)
Publication Number | Publication Date |
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CN107371300A true CN107371300A (zh) | 2017-11-21 |
CN107371300B CN107371300B (zh) | 2018-10-23 |
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CN201710839914.0A Active CN107371300B (zh) | 2017-09-18 | 2017-09-18 | 一种防噪声led光源调光控制*** |
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CN (1) | CN107371300B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108777133A (zh) * | 2018-06-26 | 2018-11-09 | 广州视源电子科技股份有限公司 | 一种调光电路、背光模组及液晶显示设备 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101932159A (zh) * | 2009-06-23 | 2010-12-29 | 启攀微电子(上海)有限公司 | 一种自适应led调光控制方法 |
CN104053283A (zh) * | 2014-06-20 | 2014-09-17 | 陕西亚成微电子股份有限公司 | 一种led调光控制电路 |
-
2017
- 2017-09-18 CN CN201710839914.0A patent/CN107371300B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101932159A (zh) * | 2009-06-23 | 2010-12-29 | 启攀微电子(上海)有限公司 | 一种自适应led调光控制方法 |
CN104053283A (zh) * | 2014-06-20 | 2014-09-17 | 陕西亚成微电子股份有限公司 | 一种led调光控制电路 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108777133A (zh) * | 2018-06-26 | 2018-11-09 | 广州视源电子科技股份有限公司 | 一种调光电路、背光模组及液晶显示设备 |
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Publication number | Publication date |
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CN107371300B (zh) | 2018-10-23 |
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PB01 | Publication | ||
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20200624 Address after: 342800 Ningdu County Industrial Park, Jiangxi, Ganzhou Patentee after: Ganzhou Weixing Technology Equipment Co.,Ltd. Address before: 230088 electronic building B-05, Anhui University science and Technology Park, 2 Tianda Road, Hefei high tech Zone, Anhui Patentee before: HEFEI GUANSHUO INFORMATION TECHNOLOGY Co.,Ltd. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211008 Address after: 341706 Lingde wisdom Park, Xinzhen Industrial Park, Longnan economic and Technological Development Zone, Longnan City, Ganzhou City, Jiangxi Province Patentee after: Jiangxi chuangju Electronic Technology Co.,Ltd. Address before: 342800 Industrial Park, Ningdu County, Ganzhou City, Jiangxi Province Patentee before: Ganzhou Weixing Technology Equipment Co.,Ltd. |
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TR01 | Transfer of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An anti noise LED light source dimming control system Effective date of registration: 20230324 Granted publication date: 20181023 Pledgee: Agricultural Bank of China Limited Longnan Sub branch Pledgor: Jiangxi chuangju Electronic Technology Co.,Ltd. Registration number: Y2023980036134 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |