CN104703368B - 一种改善led照明装置的频闪和压闪的电路及方法 - Google Patents
一种改善led照明装置的频闪和压闪的电路及方法 Download PDFInfo
- Publication number
- CN104703368B CN104703368B CN201510149394.1A CN201510149394A CN104703368B CN 104703368 B CN104703368 B CN 104703368B CN 201510149394 A CN201510149394 A CN 201510149394A CN 104703368 B CN104703368 B CN 104703368B
- Authority
- CN
- China
- Prior art keywords
- current source
- signal
- preset signals
- circuit
- detection signal
- 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
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000003990 capacitor Substances 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims description 62
- 210000003205 muscle Anatomy 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 13
- 230000003247 decreasing effect Effects 0.000 claims description 6
- 238000004146 energy storage Methods 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 4
- 230000009466 transformation Effects 0.000 claims description 2
- 230000036962 time dependent Effects 0.000 claims 4
- 101001074602 Homo sapiens Protein PIMREG Proteins 0.000 description 6
- 102100036258 Protein PIMREG Human genes 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000013078 crystal Substances 0.000 description 4
- 238000005286 illumination Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
Description
Claims (16)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510149394.1A CN104703368B (zh) | 2015-03-31 | 2015-03-31 | 一种改善led照明装置的频闪和压闪的电路及方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510149394.1A CN104703368B (zh) | 2015-03-31 | 2015-03-31 | 一种改善led照明装置的频闪和压闪的电路及方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104703368A CN104703368A (zh) | 2015-06-10 |
CN104703368B true CN104703368B (zh) | 2017-06-09 |
Family
ID=53350027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510149394.1A Active CN104703368B (zh) | 2015-03-31 | 2015-03-31 | 一种改善led照明装置的频闪和压闪的电路及方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104703368B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206181449U (zh) * | 2016-11-15 | 2017-05-17 | 深圳市明微电子股份有限公司 | 一种消除电流纹波的线性恒流led驱动电路以及led发光装置 |
WO2020088934A1 (en) * | 2018-10-29 | 2020-05-07 | Signify Holding B.V. | Led lighting driver and drive method |
CN111642041B (zh) * | 2019-03-01 | 2022-11-08 | 华润微集成电路(无锡)有限公司 | 线性led驱动电路、系统及其驱动方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103260316A (zh) * | 2013-05-27 | 2013-08-21 | 上海路千电子科技有限公司 | 一种双回路限流驱动电路和双回路限流驱动方法 |
CN203675371U (zh) * | 2013-12-09 | 2014-06-25 | 上海莱托思电子科技有限公司 | 一种led恒流驱动电路 |
CN104080256A (zh) * | 2014-07-09 | 2014-10-01 | 无锡硅动力微电子股份有限公司 | 自适应led电流纹波消除电路 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100551181C (zh) * | 2004-10-27 | 2009-10-14 | 皇家飞利浦电子股份有限公司 | 发光二极管的电源和在其中启动闪烁抑制的装置和方法 |
CN204559953U (zh) * | 2015-03-31 | 2015-08-12 | 上海路千电子科技有限公司 | 一种改善led照明装置的频闪和压闪的电路 |
-
2015
- 2015-03-31 CN CN201510149394.1A patent/CN104703368B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103260316A (zh) * | 2013-05-27 | 2013-08-21 | 上海路千电子科技有限公司 | 一种双回路限流驱动电路和双回路限流驱动方法 |
CN203675371U (zh) * | 2013-12-09 | 2014-06-25 | 上海莱托思电子科技有限公司 | 一种led恒流驱动电路 |
CN104080256A (zh) * | 2014-07-09 | 2014-10-01 | 无锡硅动力微电子股份有限公司 | 自适应led电流纹波消除电路 |
Also Published As
Publication number | Publication date |
---|---|
CN104703368A (zh) | 2015-06-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102752940B (zh) | 一种高效率的led驱动电路及其驱动方法 | |
CN103440848B (zh) | 背光驱动电路 | |
CN102065600B (zh) | 一种led调光驱动系统 | |
CN104902653B (zh) | 一种led恒压调光电源及led灯具调光系统 | |
CN103247279B (zh) | 一种发光半导体光源驱动电路及背光模组 | |
CN104540292B (zh) | 适用于可控硅调光器电路上的调光电路和调光系统 | |
CN102202449A (zh) | Led驱动控制电路及方法 | |
CN105337485B (zh) | 功率因数校正电路、发光二极管驱动电路和照明设备 | |
CN103648202A (zh) | 有源功率因数校正控制电路、芯片及led驱动电路 | |
CN107454706A (zh) | 一种集成电路和线性恒流驱动电路及其控制方法 | |
CN104703368B (zh) | 一种改善led照明装置的频闪和压闪的电路及方法 | |
CN203134330U (zh) | Led显示屏背光亮度调节电路及led电视 | |
CN103716952B (zh) | 一种led开关电源及其控制方法 | |
CN104167186B (zh) | 用于液晶显示设备的led背光源及液晶显示设备 | |
CN104703346B (zh) | 一种led驱动器 | |
CN107148121A (zh) | 一种斩波控制线性开关恒流恒功率电路 | |
CN104240651B (zh) | 用于液晶显示设备的led背光源及液晶显示设备 | |
CN204559953U (zh) | 一种改善led照明装置的频闪和压闪的电路 | |
CN203840596U (zh) | 一种纹波电流抑制电路和led电路 | |
CN202206620U (zh) | 发光二极管驱动电路 | |
CN103889121B (zh) | 一种纹波电流抑制电路 | |
CN204145795U (zh) | 具有apfc功能的无工频纹波led路灯电源 | |
CN103580467A (zh) | 功率因数校正电路及其控制方法、驱动装置和照明单元 | |
CN211046756U (zh) | 一种pfc电路 | |
CN104735837A (zh) | 具有apfc功能的无工频纹波led路灯电源 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: 201111 Shanghai city Minhang District Yuanjiang Road No. 5500 building first room E876 Applicant after: SHANGHAI LOOALL ELECTRONICS Co.,Ltd. Address before: 201111 Shanghai city Minhang District Yuanjiang Road No. 5500 building first room E876 Applicant before: SHANGHAI LUQIAN ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
COR | Change of bibliographic data | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Circuit and method for reducing frequency flashing and voltage flashing of LED lighting device Effective date of registration: 20190328 Granted publication date: 20170609 Pledgee: Anxin Agricultural Insurance Co., Ltd. Shanghai Minhang Branch Co. Pledgor: SHANGHAI LOOALL ELECTRONICS Co.,Ltd. Registration number: 2019310000009 |
|
PC01 | Cancellation 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: 20200714 Granted publication date: 20170609 Pledgee: Anxin Agricultural Insurance Co., Ltd. Shanghai Minhang Branch Co. Pledgor: SHANGHAI LOOALL ELECTRONICS Co.,Ltd. Registration number: 2019310000009 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A circuit and method for improving strobe and voltage flicker of LED lighting device Effective date of registration: 20200916 Granted publication date: 20170609 Pledgee: Industrial Bank Co.,Ltd. Shanghai Minhang sub branch Pledgor: SHANGHAI LOOALL ELECTRONICS Co.,Ltd. Registration number: Y2020980006113 |
|
PC01 | Cancellation 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: 20170609 Pledgee: Industrial Bank Co.,Ltd. Shanghai Minhang sub branch Pledgor: SHANGHAI LOOALL ELECTRONICS Co.,Ltd. Registration number: Y2020980006113 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20150610 Assignee: Shanghai Lingang Financial Leasing Co.,Ltd. Assignor: SHANGHAI LOOALL ELECTRONICS Co.,Ltd. Contract record no.: X2022980015095 Denomination of invention: A circuit and method for improving stroboscopic and pressure-flickering of LED lighting device Granted publication date: 20170609 License type: Exclusive License Record date: 20220913 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A circuit and method for improving stroboscopic and pressure-flickering of LED lighting device Effective date of registration: 20220915 Granted publication date: 20170609 Pledgee: Shanghai Lingang Financial Leasing Co.,Ltd. Pledgor: SHANGHAI LOOALL ELECTRONICS Co.,Ltd. Registration number: Y2022980015288 |