CN211352551U - 一种影视用大功率led灯限压电路 - Google Patents
一种影视用大功率led灯限压电路 Download PDFInfo
- Publication number
- CN211352551U CN211352551U CN202020161267.XU CN202020161267U CN211352551U CN 211352551 U CN211352551 U CN 211352551U CN 202020161267 U CN202020161267 U CN 202020161267U CN 211352551 U CN211352551 U CN 211352551U
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- Prior art keywords
- operational amplifier
- circuit
- protection circuit
- driving chip
- led lamp
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- 230000003287 optical effect Effects 0.000 claims description 17
- 230000000087 stabilizing effect Effects 0.000 claims 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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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]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202020161267.XU CN211352551U (zh) | 2020-02-11 | 2020-02-11 | 一种影视用大功率led灯限压电路 |
Applications Claiming Priority (1)
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CN202020161267.XU CN211352551U (zh) | 2020-02-11 | 2020-02-11 | 一种影视用大功率led灯限压电路 |
Publications (1)
Publication Number | Publication Date |
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CN211352551U true CN211352551U (zh) | 2020-08-25 |
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Family Applications (1)
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CN202020161267.XU Active CN211352551U (zh) | 2020-02-11 | 2020-02-11 | 一种影视用大功率led灯限压电路 |
Country Status (1)
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CN (1) | CN211352551U (zh) |
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2020
- 2020-02-11 CN CN202020161267.XU patent/CN211352551U/zh active Active
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240731 Address after: No. 38 Yuyang Road, Yukou New Energy Industry Base, Pinggu Park, Zhongguancun Science and Technology Park, Pinggu District, Beijing, 101200-220206 (cluster registration) Patentee after: Dong Dong Film Co.,Ltd. Country or region after: China Address before: 450016 Hengji Optoelectronics Industrial Park, Intersection of 17th Street and South Third Ring Road, Zhengzhou Economic and Technological Development Zone, Henan Province Patentee before: ZHENGZHOU KEMA MOVIE-TV OPTO-ELECTRONICS Co.,Ltd. Country or region before: China |
|
TR01 | Transfer of patent right |
Effective date of registration: 20241018 Address after: No. 109, 1st Floor, Building 9, North Fourth Ring West Road, Haidian District, Beijing 100080 Patentee after: Pentagram Film Production Co.,Ltd. Country or region after: China Address before: No. 38 Yuyang Road, Yukou New Energy Industry Base, Pinggu Park, Zhongguancun Science and Technology Park, Pinggu District, Beijing, 101200-220206 (cluster registration) Patentee before: Dong Dong Film Co.,Ltd. Country or region before: China |