CN109413797A - A kind of control circuit adjusting LED current curve - Google Patents
A kind of control circuit adjusting LED current curve Download PDFInfo
- Publication number
- CN109413797A CN109413797A CN201811232394.8A CN201811232394A CN109413797A CN 109413797 A CN109413797 A CN 109413797A CN 201811232394 A CN201811232394 A CN 201811232394A CN 109413797 A CN109413797 A CN 109413797A
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- CN
- China
- Prior art keywords
- ground terminal
- chip
- resistance
- pin
- module
- 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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- 238000001514 detection method Methods 0.000 claims abstract description 29
- 239000004065 semiconductor Substances 0.000 claims description 46
- 239000003990 capacitor Substances 0.000 claims description 19
- 238000005868 electrolysis reaction Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000003786 synthesis reaction Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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]
-
- 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
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811232394.8A CN109413797B (en) | 2018-10-22 | 2018-10-22 | Control circuit for adjusting LED current curve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811232394.8A CN109413797B (en) | 2018-10-22 | 2018-10-22 | Control circuit for adjusting LED current curve |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109413797A true CN109413797A (en) | 2019-03-01 |
CN109413797B CN109413797B (en) | 2024-04-19 |
Family
ID=65468844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811232394.8A Active CN109413797B (en) | 2018-10-22 | 2018-10-22 | Control circuit for adjusting LED current curve |
Country Status (1)
Country | Link |
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CN (1) | CN109413797B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112689356A (en) * | 2021-01-08 | 2021-04-20 | 青岛易来智能科技股份有限公司 | Switch control circuit and method and lamp |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101459995A (en) * | 2007-12-12 | 2009-06-17 | 鸿富锦精密工业(深圳)有限公司 | Background lamp control circuit for electronic device |
CN102264175A (en) * | 2010-05-26 | 2011-11-30 | 马士科技有限公司 | Light emitting diode lamp dimming device capable of realizing stepped dimming |
CN203167352U (en) * | 2013-02-25 | 2013-08-28 | 阳亮 | single-stage power supply LED constant-current driving-based analog voltage light modulation circuit |
CN104035348A (en) * | 2014-05-29 | 2014-09-10 | 东莞高仪电子科技有限公司 | Digital universal light modulator |
DE202016101998U1 (en) * | 2016-04-15 | 2016-05-02 | Zhejiang Twinsel Electronic Technology Co., Ltd. | Control circuit of a switch dimming LED light |
CN206452578U (en) * | 2017-01-23 | 2017-08-29 | 无锡恒芯微科技有限公司 | The non-isolated LED drive chip dimmed with PWM and DIM |
CN107995746A (en) * | 2017-12-28 | 2018-05-04 | 深圳市实益达技术股份有限公司 | LED light adjusting circuits and LED device |
CN209643025U (en) * | 2018-10-22 | 2019-11-15 | 上海顿格电子贸易有限公司 | A kind of control circuit adjusting LED current curve |
-
2018
- 2018-10-22 CN CN201811232394.8A patent/CN109413797B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101459995A (en) * | 2007-12-12 | 2009-06-17 | 鸿富锦精密工业(深圳)有限公司 | Background lamp control circuit for electronic device |
CN102264175A (en) * | 2010-05-26 | 2011-11-30 | 马士科技有限公司 | Light emitting diode lamp dimming device capable of realizing stepped dimming |
CN203167352U (en) * | 2013-02-25 | 2013-08-28 | 阳亮 | single-stage power supply LED constant-current driving-based analog voltage light modulation circuit |
CN104035348A (en) * | 2014-05-29 | 2014-09-10 | 东莞高仪电子科技有限公司 | Digital universal light modulator |
DE202016101998U1 (en) * | 2016-04-15 | 2016-05-02 | Zhejiang Twinsel Electronic Technology Co., Ltd. | Control circuit of a switch dimming LED light |
CN206452578U (en) * | 2017-01-23 | 2017-08-29 | 无锡恒芯微科技有限公司 | The non-isolated LED drive chip dimmed with PWM and DIM |
CN107995746A (en) * | 2017-12-28 | 2018-05-04 | 深圳市实益达技术股份有限公司 | LED light adjusting circuits and LED device |
CN209643025U (en) * | 2018-10-22 | 2019-11-15 | 上海顿格电子贸易有限公司 | A kind of control circuit adjusting LED current curve |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112689356A (en) * | 2021-01-08 | 2021-04-20 | 青岛易来智能科技股份有限公司 | Switch control circuit and method and lamp |
CN112689356B (en) * | 2021-01-08 | 2023-11-10 | 青岛易来智能科技股份有限公司 | Switch control circuit and method and lamp |
Also Published As
Publication number | Publication date |
---|---|
CN109413797B (en) | 2024-04-19 |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: Room 1534, No. 498 GuoShoujing Road, Pudong Software Park, Pudong New Area, Shanghai, 201203 Applicant after: Kotya lighting (Shanghai) Co.,Ltd. Address before: Room 1534, No. 498 GuoShoujing Road, Pudong Software Park, Pudong New Area, Shanghai, 201203 Applicant before: SHANGHAI DANGOO ELECTRONICS Co.,Ltd. |
|
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20220314 Address after: 518000 605 bixinyuan, Futian District, Shenzhen, Guangdong Applicant after: Wu Guangmin Address before: Room 1534, building 1, Pudong Software Park, 498 GuoShouJing Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 201203 Applicant before: Kotya lighting (Shanghai) Co.,Ltd. |
|
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20220608 Address after: 214200 Building 2, Yixing Photoelectric Industrial Park, No. 10, Xingli Road, Yixing Economic and Technological Development Zone, Wuxi City, Jiangsu Province Applicant after: Yiguang Technology (Jiangsu) Co.,Ltd. Address before: 518000 605 bixinyuan, Futian District, Shenzhen, Guangdong Applicant before: Wu Guangmin |
|
GR01 | Patent grant | ||
GR01 | Patent grant |