JP2008300208A - 照明装置 - Google Patents
照明装置 Download PDFInfo
- Publication number
- JP2008300208A JP2008300208A JP2007145326A JP2007145326A JP2008300208A JP 2008300208 A JP2008300208 A JP 2008300208A JP 2007145326 A JP2007145326 A JP 2007145326A JP 2007145326 A JP2007145326 A JP 2007145326A JP 2008300208 A JP2008300208 A JP 2008300208A
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- JP
- Japan
- Prior art keywords
- light emitting
- emitting module
- constant current
- information output
- current power
- 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.)
- Granted
Links
- 230000007423 decrease Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000005286 illumination Methods 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 7
- 230000005856 abnormality Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
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]
- H05B45/30—Driver circuits
- H05B45/32—Pulse-control circuits
- H05B45/325—Pulse-width modulation [PWM]
-
- 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]
- H05B45/30—Driver circuits
- H05B45/395—Linear regulators
-
- 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]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
- H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
-
- 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]
- H05B45/30—Driver circuits
- H05B45/395—Linear regulators
- H05B45/397—Current mirror circuits
-
- 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]
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
Abstract
【解決手段】出力電流を可変して設定可能な定電流電源12に対して、発光モジュール13を並列に接続可能とする。発光モジュール13のそれぞれに設けた情報出力部26から出力した接続情報を制御部16が認識して定電流電源12の出力電流を可変させる。発光モジュール13の接続数など、接続する発光モジュール13の状態に対応して駆動を制御できる。
【選択図】図1
Description
12 定電流電源
13 発光モジュール
13a,13b 主端子
16 制御部
23 光源であるLED
26 情報出力部
53 抵抗である情報出力抵抗
Claims (4)
- 出力電流を可変して設定可能な定電流電源と;
この定電流電源に対して接続可能な対をなす主端子と、これら対をなす主端子間に接続された1つ以上の光源とを備えた発光モジュールと;
この発光モジュールに設けられ、この発光モジュールの接続情報を出力する情報出力部と;
この情報出力部から出力された接続情報を認識して前記定電流電源の出力電流を可変させる制御部と;
を具備していることを特徴とした照明装置。 - 情報出力部は、発光モジュールの主端子の少なくともいずれかにより接続情報を出力する
ことを特徴とした請求項1記載の照明装置。 - 情報出力部は、発光モジュールの主端子間に接続された抵抗を備え、
制御部は、定電流電源により前記主端子間に与えられた電圧が、光源が所定状態で発光する電圧よりも低い状態で前記抵抗に流れる電流を、前記発光モジュールの接続情報として認識する
ことを特徴とした請求項2記載の照明装置。 - 情報出力部は、発光モジュールの主端子間に接続された抵抗を備え、
定電流電源は、PWM制御により出力電流を制御し、
制御部は、発光モジュールの主端子間に前記定電流電源のPWM制御のオフ期間に発生する電圧により前記抵抗に流れる電流を、前記発光モジュールの接続情報として認識する
ことを特徴とした請求項2記載の照明装置。
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007145326A JP4577525B2 (ja) | 2007-05-31 | 2007-05-31 | 照明装置 |
US12/129,939 US7952295B2 (en) | 2007-05-31 | 2008-05-30 | Illuminating device |
CN2008100998671A CN101316468B (zh) | 2007-05-31 | 2008-05-30 | 照明装置 |
CN2013100542354A CN103175003A (zh) | 2007-05-31 | 2008-05-30 | 照明装置 |
CN201310054299.4A CN103179749B (zh) | 2007-05-31 | 2008-05-30 | 照明装置 |
US13/037,534 US8188680B2 (en) | 2007-05-31 | 2011-03-01 | Illuminating device |
US13/234,379 US8536800B2 (en) | 2007-05-31 | 2011-09-16 | Illuminating device and controlling method thereof |
US13/234,438 US8441208B2 (en) | 2007-05-31 | 2011-09-16 | Light emitting module and illuminating device |
US13/445,124 US8450943B2 (en) | 2007-05-31 | 2012-04-12 | Illuminating device and controlling method thereof |
US13/600,593 US8587218B2 (en) | 2007-05-31 | 2012-08-31 | Illuminating device |
US13/600,555 US8575859B2 (en) | 2007-05-31 | 2012-08-31 | Illuminating device |
US14/047,640 US8791651B2 (en) | 2007-05-31 | 2013-10-07 | Illuminating device |
US14/061,199 US8803442B2 (en) | 2007-05-31 | 2013-10-23 | Illuminating device |
US14/061,081 US8803441B2 (en) | 2007-05-31 | 2013-10-23 | Illuminating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007145326A JP4577525B2 (ja) | 2007-05-31 | 2007-05-31 | 照明装置 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010188035A Division JP5046068B2 (ja) | 2010-08-25 | 2010-08-25 | 照明装置 |
JP2010188034A Division JP5046067B2 (ja) | 2010-08-25 | 2010-08-25 | 照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008300208A true JP2008300208A (ja) | 2008-12-11 |
JP4577525B2 JP4577525B2 (ja) | 2010-11-10 |
Family
ID=40087364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007145326A Active JP4577525B2 (ja) | 2007-05-31 | 2007-05-31 | 照明装置 |
Country Status (3)
Country | Link |
---|---|
US (10) | US7952295B2 (ja) |
JP (1) | JP4577525B2 (ja) |
CN (3) | CN103175003A (ja) |
Cited By (14)
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---|---|---|---|---|
JP2008311602A (ja) * | 2007-05-17 | 2008-12-25 | Seiko Npc Corp | Led駆動回路 |
JP2011154839A (ja) * | 2010-01-26 | 2011-08-11 | Panasonic Electric Works Co Ltd | 調光装置 |
WO2012091259A1 (en) * | 2010-12-27 | 2012-07-05 | Lg Innotek Co., Ltd. | Power supply |
JP2012169496A (ja) * | 2011-02-15 | 2012-09-06 | Minebea Co Ltd | Led駆動装置 |
JP2013026691A (ja) * | 2011-07-15 | 2013-02-04 | Panasonic Corp | 照明光通信装置及びそれを用いた照明器具、並びに照明システム |
JP2013026690A (ja) * | 2011-07-15 | 2013-02-04 | Panasonic Corp | 照明光通信装置及びそれを用いた照明器具、並びに照明システム |
JP2013235843A (ja) * | 2013-07-17 | 2013-11-21 | Mitsubishi Electric Lighting Corp | Led用点灯装置及びledランプ及びledランプ用照明器具及びled照明システム |
KR101330830B1 (ko) * | 2011-06-03 | 2013-11-26 | 주식회사 소프트커널 | 교류 엘이디 조명장치 |
US8653742B2 (en) | 2011-03-08 | 2014-02-18 | Rohm Co., Ltd. | Control circuit of switching power supply for driving light emitting elements, and light emitting device and electronic apparatus using the same |
JP2014067726A (ja) * | 2013-12-11 | 2014-04-17 | Mitsubishi Electric Corp | Ledランプ及びled用点灯装置及びledランプ用照明器具及びled照明システム |
US8710750B2 (en) | 2011-01-21 | 2014-04-29 | Mitsubishi Electric Corporation | Light source lighting device including a constant-current supply that is connected to a light source and supplies a constant current of a substantially constant magnitude to the light source, and luminaire |
US9089023B2 (en) | 2013-05-17 | 2015-07-21 | Rohm Co., Ltd. | Driving circuit of light emitting element, and light emitting device and electronic apparatus including the light emitting element |
JP2015524150A (ja) * | 2012-06-14 | 2015-08-20 | コーニンクレッカ フィリップス エヌ ヴェ | 照明源を駆動するための自動調整型照明ドライバ及び自動調整型照明ドライバを含む照明ユニット |
US9177508B2 (en) | 2011-03-24 | 2015-11-03 | Rohm Co., Ltd. | Light emitting apparatus |
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JP4577525B2 (ja) | 2007-05-31 | 2010-11-10 | 東芝ライテック株式会社 | 照明装置 |
EP2156432A1 (de) * | 2007-06-13 | 2010-02-24 | Osram Gesellschaft mit Beschränkter Haftung | Schaltungsanordnung und ansteuerverfahren für halbleiterlichtquellen |
CN201282580Y (zh) * | 2008-09-28 | 2009-07-29 | 张荣民 | 大功率led驱动电路 |
US8247994B2 (en) * | 2009-01-29 | 2012-08-21 | Rohm Co., Ltd. | LED illuminator and LED lamp |
TW201043083A (en) * | 2009-05-21 | 2010-12-01 | Everlight Electronics Co Ltd | Light emitting diode circuit |
US8358080B2 (en) * | 2010-01-29 | 2013-01-22 | Canon Kabushiki Kaisha | Light emitting element driving circuit |
US8441198B2 (en) * | 2011-04-29 | 2013-05-14 | Alder Optomechanical Corp. | Method and device for driving light-emitting diode |
TW201315281A (zh) * | 2011-09-30 | 2013-04-01 | Luxul Technology Inc | 分流型交流led驅動電路 |
CN103763806A (zh) * | 2013-11-27 | 2014-04-30 | 南京第壹有机光电有限公司 | 一种有机电致发光照明灯具 |
CN104540288B (zh) * | 2014-12-29 | 2019-05-17 | 漳州立达信灯具有限公司 | 带自检功能的led驱动装置 |
JP2016219683A (ja) * | 2015-05-25 | 2016-12-22 | ソニー株式会社 | 配線基板、および製造方法 |
JP6617378B2 (ja) * | 2015-11-24 | 2019-12-11 | 株式会社アイテックシステム | 照明装置 |
CN105680679B (zh) * | 2016-01-25 | 2018-10-02 | 浙江凯耀照明股份有限公司 | 驱动器输出过流保护电路及其保护方法 |
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-
2007
- 2007-05-31 JP JP2007145326A patent/JP4577525B2/ja active Active
-
2008
- 2008-05-30 US US12/129,939 patent/US7952295B2/en not_active Expired - Fee Related
- 2008-05-30 CN CN2013100542354A patent/CN103175003A/zh active Pending
- 2008-05-30 CN CN201310054299.4A patent/CN103179749B/zh not_active Expired - Fee Related
- 2008-05-30 CN CN2008100998671A patent/CN101316468B/zh not_active Expired - Fee Related
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2011
- 2011-03-01 US US13/037,534 patent/US8188680B2/en not_active Expired - Fee Related
- 2011-09-16 US US13/234,438 patent/US8441208B2/en not_active Expired - Fee Related
- 2011-09-16 US US13/234,379 patent/US8536800B2/en not_active Expired - Fee Related
-
2012
- 2012-04-12 US US13/445,124 patent/US8450943B2/en not_active Expired - Fee Related
- 2012-08-31 US US13/600,593 patent/US8587218B2/en not_active Expired - Fee Related
- 2012-08-31 US US13/600,555 patent/US8575859B2/en not_active Expired - Fee Related
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2013
- 2013-10-07 US US14/047,640 patent/US8791651B2/en not_active Expired - Fee Related
- 2013-10-23 US US14/061,199 patent/US8803442B2/en not_active Expired - Fee Related
- 2013-10-23 US US14/061,081 patent/US8803441B2/en not_active Expired - Fee Related
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JP2006228529A (ja) * | 2005-02-16 | 2006-08-31 | Matsushita Electric Works Ltd | 照明器具 |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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US20120007521A1 (en) | 2012-01-12 |
CN101316468B (zh) | 2013-03-27 |
US8803441B2 (en) | 2014-08-12 |
US8450943B2 (en) | 2013-05-28 |
US8587218B2 (en) | 2013-11-19 |
US8441208B2 (en) | 2013-05-14 |
US20140049188A1 (en) | 2014-02-20 |
US20140042931A1 (en) | 2014-02-13 |
US20120326620A1 (en) | 2012-12-27 |
CN103179749B (zh) | 2015-09-30 |
CN103175003A (zh) | 2013-06-26 |
CN101316468A (zh) | 2008-12-03 |
US8791651B2 (en) | 2014-07-29 |
JP4577525B2 (ja) | 2010-11-10 |
US20080297062A1 (en) | 2008-12-04 |
US20120194097A1 (en) | 2012-08-02 |
US20140035487A1 (en) | 2014-02-06 |
US20120007517A1 (en) | 2012-01-12 |
US8536800B2 (en) | 2013-09-17 |
CN103179749A (zh) | 2013-06-26 |
US20110148322A1 (en) | 2011-06-23 |
US20120319613A1 (en) | 2012-12-20 |
US8188680B2 (en) | 2012-05-29 |
US8575859B2 (en) | 2013-11-05 |
US7952295B2 (en) | 2011-05-31 |
US8803442B2 (en) | 2014-08-12 |
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