CN101861004A - 一种用于通信的led恒流源驱动电路 - Google Patents
一种用于通信的led恒流源驱动电路 Download PDFInfo
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- CN101861004A CN101861004A CN201010141017A CN201010141017A CN101861004A CN 101861004 A CN101861004 A CN 101861004A CN 201010141017 A CN201010141017 A CN 201010141017A CN 201010141017 A CN201010141017 A CN 201010141017A CN 101861004 A CN101861004 A CN 101861004A
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- circuit
- constant current
- signal
- source driving
- led
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201010141017 CN101861004B (zh) | 2010-04-02 | 2010-04-02 | 一种用于通信的led恒流源驱动电路 |
Applications Claiming Priority (1)
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CN 201010141017 CN101861004B (zh) | 2010-04-02 | 2010-04-02 | 一种用于通信的led恒流源驱动电路 |
Publications (2)
Publication Number | Publication Date |
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CN101861004A true CN101861004A (zh) | 2010-10-13 |
CN101861004B CN101861004B (zh) | 2013-05-29 |
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CN 201010141017 Expired - Fee Related CN101861004B (zh) | 2010-04-02 | 2010-04-02 | 一种用于通信的led恒流源驱动电路 |
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CN (1) | CN101861004B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110767152A (zh) * | 2019-11-08 | 2020-02-07 | 深圳市德普微电子有限公司 | 一种led显示屏驱动芯片的恒流源产生方法 |
CN110827747A (zh) * | 2019-11-08 | 2020-02-21 | 深圳市德普微电子有限公司 | 一种共阴led显示屏驱动芯片的恒流源产生电路 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2862144Y (zh) * | 2005-09-02 | 2007-01-24 | 吕晓峰 | 一种恒流源装置 |
CN201369855Y (zh) * | 2009-03-23 | 2009-12-23 | 杭州电子科技大学 | 一种恒流源电路 |
CN101668365A (zh) * | 2008-09-05 | 2010-03-10 | 李旭明 | 一种恒流源驱动器电路和器件 |
-
2010
- 2010-04-02 CN CN 201010141017 patent/CN101861004B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2862144Y (zh) * | 2005-09-02 | 2007-01-24 | 吕晓峰 | 一种恒流源装置 |
CN101668365A (zh) * | 2008-09-05 | 2010-03-10 | 李旭明 | 一种恒流源驱动器电路和器件 |
CN201369855Y (zh) * | 2009-03-23 | 2009-12-23 | 杭州电子科技大学 | 一种恒流源电路 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110767152A (zh) * | 2019-11-08 | 2020-02-07 | 深圳市德普微电子有限公司 | 一种led显示屏驱动芯片的恒流源产生方法 |
CN110827747A (zh) * | 2019-11-08 | 2020-02-21 | 深圳市德普微电子有限公司 | 一种共阴led显示屏驱动芯片的恒流源产生电路 |
CN110767152B (zh) * | 2019-11-08 | 2020-10-30 | 四川遂宁市利普芯微电子有限公司 | 一种led显示屏驱动芯片的恒流源产生方法 |
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Publication number | Publication date |
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CN101861004B (zh) | 2013-05-29 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20101013 Assignee: Dongguan Qinshang Photoelectric Co., Ltd. Assignor: Semiconductor Inst., Chinese Academy of Sciences Contract record no.: 2015990000263 Denomination of invention: LED constant current source driving circuit for communication Granted publication date: 20130529 License type: Common License Record date: 20150430 |
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LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20180402 |
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CF01 | Termination of patent right due to non-payment of annual fee |