JP2019145339A - 発光素子の点灯制御回路 - Google Patents
発光素子の点灯制御回路 Download PDFInfo
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- JP2019145339A JP2019145339A JP2018028523A JP2018028523A JP2019145339A JP 2019145339 A JP2019145339 A JP 2019145339A JP 2018028523 A JP2018028523 A JP 2018028523A JP 2018028523 A JP2018028523 A JP 2018028523A JP 2019145339 A JP2019145339 A JP 2019145339A
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- lighting control
- emitting element
- light emitting
- light
- control device
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- 230000001939 inductive effect Effects 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- 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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
-
- 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
[2]本発明に係る一態様の照明装置は、上記の点灯制御装置と、当該点灯制御装置によって制御される光源とを含む、照明装置である。
2:光源
3:バッテリ
14:点灯制御回路
21:コイル
22:ダイオード
23:トランジスタ
24:コンデンサ
25:バイパス用ダイオード
31:発光素子
32:ツェナーダイオード
Claims (3)
- 発光素子と当該発光素子に対して並列接続された保護素子とを含む光源の点灯制御を行うための装置であって、
電源に繋がる電流経路に一端が接続された誘導性素子と、
前記誘導性素子の他端と基準電位端の間に接続されたスイッチング素子と、
前記誘導性素子の他端と前記基準電位端の間に接続された容量性素子と、
一端が前記電源に繋がる電流経路及び前記発光素子のカソードに接続され、他端が前記容量性素子と前記発光素子のアノードに接続されたバイパス用ダイオードと、
を含む、点灯制御装置。 - 前記保護素子は、ツェナーダイオードであり、当該ツェナーダイオードは、アノードが前記発光素子のカソードと接続し、カソードが前記発光素子のアノードと接続するように並列接続される、
請求項1に記載の点灯制御装置。 - 請求項1又は2に記載の点灯制御装置と、当該点灯制御装置によって制御される光源とを含む、照明装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018028523A JP6971878B2 (ja) | 2018-02-21 | 2018-02-21 | 発光素子の点灯制御回路 |
CN201910125377.2A CN110177407B (zh) | 2018-02-21 | 2019-02-20 | 发光元件的点亮控制装置以及照明装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018028523A JP6971878B2 (ja) | 2018-02-21 | 2018-02-21 | 発光素子の点灯制御回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019145339A true JP2019145339A (ja) | 2019-08-29 |
JP6971878B2 JP6971878B2 (ja) | 2021-11-24 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018028523A Active JP6971878B2 (ja) | 2018-02-21 | 2018-02-21 | 発光素子の点灯制御回路 |
Country Status (2)
Country | Link |
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JP (1) | JP6971878B2 (ja) |
CN (1) | CN110177407B (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004186159A (ja) * | 2002-12-03 | 2004-07-02 | Lumileds Lighting Us Llc | 照明装置 |
US20100188015A1 (en) * | 2009-01-27 | 2010-07-29 | Texas Instruments Incorporation | Method and apparatus for controlling and modulating led current |
JP2017021954A (ja) * | 2015-07-09 | 2017-01-26 | 三菱電機株式会社 | Led点灯装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5007811B2 (ja) * | 2007-05-31 | 2012-08-22 | 東芝ライテック株式会社 | 照明装置 |
JP2010086943A (ja) * | 2008-09-04 | 2010-04-15 | Toshiba Lighting & Technology Corp | Led点灯装置および照明器具 |
EP2320711B1 (en) * | 2009-11-09 | 2020-09-16 | Toshiba Lighting & Technology Corporation | LED lighting device and illuminating device |
JP5761904B2 (ja) * | 2009-11-16 | 2015-08-12 | 新電元工業株式会社 | Led点灯装置 |
JP5597264B2 (ja) * | 2011-01-13 | 2014-10-01 | パナソニック株式会社 | 発光ダイオード点灯回路、led光源及びランプ |
JP5796206B2 (ja) * | 2011-01-28 | 2015-10-21 | パナソニックIpマネジメント株式会社 | スイッチング電源回路とそれを用いた半導体発光素子の点灯装置及び照明器具 |
JP2012182010A (ja) * | 2011-03-01 | 2012-09-20 | Fujitsu Ten Ltd | 照明装置及び表示装置 |
US9131564B2 (en) * | 2011-07-29 | 2015-09-08 | Panasonic Intellectual Property Management Co., Ltd. | Lighting device and illumination apparatus using same |
KR101486038B1 (ko) * | 2012-08-02 | 2015-01-26 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 |
-
2018
- 2018-02-21 JP JP2018028523A patent/JP6971878B2/ja active Active
-
2019
- 2019-02-20 CN CN201910125377.2A patent/CN110177407B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004186159A (ja) * | 2002-12-03 | 2004-07-02 | Lumileds Lighting Us Llc | 照明装置 |
US20100188015A1 (en) * | 2009-01-27 | 2010-07-29 | Texas Instruments Incorporation | Method and apparatus for controlling and modulating led current |
JP2017021954A (ja) * | 2015-07-09 | 2017-01-26 | 三菱電機株式会社 | Led点灯装置 |
Also Published As
Publication number | Publication date |
---|---|
CN110177407A (zh) | 2019-08-27 |
CN110177407B (zh) | 2024-05-14 |
JP6971878B2 (ja) | 2021-11-24 |
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