CN203722892U - 一种线性恒流驱动电路 - Google Patents
一种线性恒流驱动电路 Download PDFInfo
- Publication number
- CN203722892U CN203722892U CN201420090838.XU CN201420090838U CN203722892U CN 203722892 U CN203722892 U CN 203722892U CN 201420090838 U CN201420090838 U CN 201420090838U CN 203722892 U CN203722892 U CN 203722892U
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- terminal
- current source
- led
- diode
- switching circuit
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- 239000003990 capacitor Substances 0.000 description 15
- 230000005669 field effect Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420090838.XU CN203722892U (zh) | 2014-02-28 | 2014-02-28 | 一种线性恒流驱动电路 |
Applications Claiming Priority (1)
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CN201420090838.XU CN203722892U (zh) | 2014-02-28 | 2014-02-28 | 一种线性恒流驱动电路 |
Publications (1)
Publication Number | Publication Date |
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CN203722892U true CN203722892U (zh) | 2014-07-16 |
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CN201420090838.XU Expired - Lifetime CN203722892U (zh) | 2014-02-28 | 2014-02-28 | 一种线性恒流驱动电路 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103889111A (zh) * | 2014-02-28 | 2014-06-25 | 上海路千电子科技有限公司 | 一种双电压运行的线性恒流驱动电路及其驱动方法 |
CN106068051A (zh) * | 2015-04-24 | 2016-11-02 | 松下知识产权经营株式会社 | 点亮装置、照明装置和照明器具 |
CN106793253A (zh) * | 2016-11-24 | 2017-05-31 | 深圳市明微电子股份有限公司 | 一种led线性恒流驱动电路及led照明装置 |
WO2018032722A1 (zh) * | 2016-08-16 | 2018-02-22 | 深圳市明微电子股份有限公司 | 一种全电压 led 线性恒流驱动电路 |
CN107969051A (zh) * | 2017-12-27 | 2018-04-27 | 苏州菲达旭微电子有限公司 | 全电压线性led驱动电路 |
CN110505730A (zh) * | 2018-05-18 | 2019-11-26 | 华润矽威科技(上海)有限公司 | 线性led驱动电路及全电压输入的线性led驱动方法 |
-
2014
- 2014-02-28 CN CN201420090838.XU patent/CN203722892U/zh not_active Expired - Lifetime
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103889111A (zh) * | 2014-02-28 | 2014-06-25 | 上海路千电子科技有限公司 | 一种双电压运行的线性恒流驱动电路及其驱动方法 |
CN103889111B (zh) * | 2014-02-28 | 2016-07-27 | 上海路千电子科技有限公司 | 一种双电压运行的线性恒流驱动电路及其驱动方法 |
CN106068051A (zh) * | 2015-04-24 | 2016-11-02 | 松下知识产权经营株式会社 | 点亮装置、照明装置和照明器具 |
CN106068051B (zh) * | 2015-04-24 | 2019-04-23 | 松下知识产权经营株式会社 | 点亮装置、照明装置和照明器具 |
WO2018032722A1 (zh) * | 2016-08-16 | 2018-02-22 | 深圳市明微电子股份有限公司 | 一种全电压 led 线性恒流驱动电路 |
CN106793253A (zh) * | 2016-11-24 | 2017-05-31 | 深圳市明微电子股份有限公司 | 一种led线性恒流驱动电路及led照明装置 |
CN106793253B (zh) * | 2016-11-24 | 2018-12-28 | 深圳市明微电子股份有限公司 | 一种led线性恒流驱动电路及led照明装置 |
CN107969051A (zh) * | 2017-12-27 | 2018-04-27 | 苏州菲达旭微电子有限公司 | 全电压线性led驱动电路 |
CN107969051B (zh) * | 2017-12-27 | 2024-04-05 | 苏州菲达旭微电子有限公司 | 全电压线性led驱动电路 |
CN110505730A (zh) * | 2018-05-18 | 2019-11-26 | 华润矽威科技(上海)有限公司 | 线性led驱动电路及全电压输入的线性led驱动方法 |
CN110505730B (zh) * | 2018-05-18 | 2022-04-05 | 华润微集成电路(无锡)有限公司 | 线性led驱动电路及全电压输入的线性led驱动方法 |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: 200030 room 6B9, No. 481, Guiping Road, Xuhui District, Shanghai, 15 rooms Patentee after: SHANGHAI LOOALL ELECTRONICS Co.,Ltd. Address before: Room E876, Building 1, 5500 Yuanjiang Road, Minhang District, Shanghai, 201111 Patentee before: SHANGHAI LUQIAN ELECTRONIC TECHNOLOGY Co.,Ltd. |
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CP03 | Change of name, title or address | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A linear constant current driving circuit Effective date of registration: 20200916 Granted publication date: 20140716 Pledgee: Industrial Bank Co.,Ltd. Shanghai Minhang sub branch Pledgor: SHANGHAI LOOALL ELECTRONICS Co.,Ltd. Registration number: Y2020980006113 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220210 Granted publication date: 20140716 Pledgee: Industrial Bank Co.,Ltd. Shanghai Minhang sub branch Pledgor: SHANGHAI LOOALL ELECTRONICS Co.,Ltd. Registration number: Y2020980006113 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20140716 |
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CX01 | Expiry of patent term |