JP2011258589A - Ledランプ装置 - Google Patents
Ledランプ装置 Download PDFInfo
- Publication number
- JP2011258589A JP2011258589A JP2011216567A JP2011216567A JP2011258589A JP 2011258589 A JP2011258589 A JP 2011258589A JP 2011216567 A JP2011216567 A JP 2011216567A JP 2011216567 A JP2011216567 A JP 2011216567A JP 2011258589 A JP2011258589 A JP 2011258589A
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- Prior art keywords
- led lamp
- power supply
- input
- voltage
- supply unit
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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]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/375—Switched mode power supply [SMPS] using buck topology
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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]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/382—Switched mode power supply [SMPS] with galvanic isolation between input and output
-
- 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)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Control Of Voltage And Current In General (AREA)
- Dc-Dc Converters (AREA)
- Led Devices (AREA)
- Rectifiers (AREA)
Abstract
【解決手段】入力端から交流または直流電源が入力される電源装置部と、この電源装置部の出力端に接続される1個または直列接続された複数個のLEDからなるLEDランプ106とを備え、電源装置部は出力端の電流を検知する電流検出回路部307と、所定周波数のパルス信号を発振する発振回路部310と、発振回路部310に接続されたスイッチング制御回路部322と、スイッチング制御回路部322に接続されたスイッチング素子316とを備え、スイッチング制御回路部322は発振回路部が発振の繰り返し信号を出力してスイッチング素子316を所定周波数でON、OFF制御し且つ電流検出回路部307からの検知信号に基づいて制御した定電流のパルス電流を前記LEDランプ106に供給してLEDランプ106を点灯する。
【選択図】図3
Description
LEDランプ106への通電電流は、定電流素子105により定電流化が図られている。
AC入力の正側においては、直列接続されたキャパシタCPT1〜CPTnがACH入力端子1301aを介してAC入力端子H108に接続され、ACL入力端子1301bに向けて通電されて各々充電される。
Claims (6)
- 入力端から交流電源または直流電源が入力される電源装置部と、この電源装置部の出力端に接続される1個または直列接続された複数個のLEDからなるLEDランプとを備え、前記電源装置部は、クロック信号を発する発振回路部と、発振回路部からのクロック信号を受けるクロック信号制御回路部と、前記LEDランプに直列に接続されたスイッチドキャパシタ降圧回路部とを備え、前記スイッチドキャパシタ降圧回路部は、直列に接続され且つ2つの位置に切り換え可能な複数の切り換えスイッチと、各切り換えスイッチ間に配置されたコンデンサとを備え、各切り換えスイッチは、クロック信号制御回路部からの制御信号により2つの位置に切り換えられて、一方の位置でコンデンサへ充電を行ない、他方の位置で放電を行うことにより、LEDランプを点灯させることを特徴とするLEDランプ装置。
- 入力端に交流電源が入力される電源装置部と、この電源装置部の出力端に接続される1個または直列接続された複数個のLEDからなるLEDランプとを備え、前記電源装置部は、所定時間毎にクロック信号を発する発振回路部と、発振回路部からのクロック信号を受けるクロック信号制御回路部と、2つのスイッチドキャパシタ降圧回路部とを備え、前記2つのスイッチドキャパシタ降圧回路部は、LEDランプに並列に接続してあり且つ一方のスイッチドキャパシタの高電圧側入力端と他方のスイッチドキャパシタ降圧回路部の低電圧側入力端を電源装置部の一方の入力端に、他方のスイッチドキャパシタの低電圧側入力端と他方のスイッチドキャパシタ降圧回路部の高電圧側入力端を電源装置部の他方の入力端に接続しており、2つのスイッチドキャパシタ降圧回路部により交互に放電された電力によりLEDランプを点灯することを特徴とするLEDランプ装置。
- 入力端から交流または直流電源が入力される電源装置部と、この電源装置部の出力端に接続される1個または直列接続された複数個のLEDからなるLEDランプとを備え、1個または複数のLEDにはツェナーダイオードが並列に接続されており且つツェナーダイオードはLEDの順方向電圧に対して逆方向の向きに接続されており、電源装置部の出力端とLEDランプとの間に定電流素子を直列に接続していることを特徴とするLEDランプ装置。
- 入力端から交流または直流電源が入力される電源装置部と、この電源装置部の出力端に接続される1個または直列接続された複数個のLEDからなるLEDランプとを備え、少なくとも1個のLEDにはツェナーダイオードが並列に接続されており且つツェナーダイオードはLEDの順方向電圧に対して逆方向の向きに接続されており、前記ツェナーダイオードのツェナー電圧はツェナーダイオードに並列に接続されているLEDの順方向降下電圧に対して10%以上30%以下の範囲で高いことを特徴とするLEDランプ装置。
- 交流または直流電源が入力される円筒状の口金と、入力端が前記口金に接続された電源装置部と、電源装置部の出力端に接続された1個または直列接続された複数個のLEDとを有するLEDランプとを備えるLEDランプ装置において、該電源装置部はフレキシブルプリント回路基板に形成されており、該フレキシブルプリント回路基板は略S字状に屈曲させて該口金内に配置したことを特徴とするLEDランプ装置。
- 前記電源装置部の入力端は2つの電極を有し、2つの電極は前記略S字状のフレキシブルプリント回路基板においてS字の一端部と他端部とに位置し且つフレキシブルプリント回路基板の異なる面に設けてあることを特徴とする請求項5に記載のLEDランプ装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011216567A JP5507517B2 (ja) | 1999-12-14 | 2011-09-30 | Ledランプ装置 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP35422999 | 1999-12-14 | ||
JP1999354229 | 1999-12-14 | ||
JP2011216567A JP5507517B2 (ja) | 1999-12-14 | 2011-09-30 | Ledランプ装置 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009118172A Division JP5165637B2 (ja) | 1999-12-14 | 2009-05-15 | Ledランプ装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013228170A Division JP2014063744A (ja) | 1999-12-14 | 2013-11-01 | Ledランプ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011258589A true JP2011258589A (ja) | 2011-12-22 |
JP5507517B2 JP5507517B2 (ja) | 2014-05-28 |
Family
ID=18436157
Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001546220A Expired - Lifetime JP4353667B2 (ja) | 1999-12-14 | 2000-12-14 | Ledランプ装置 |
JP2009118172A Expired - Lifetime JP5165637B2 (ja) | 1999-12-14 | 2009-05-15 | Ledランプ装置 |
JP2011216567A Expired - Lifetime JP5507517B2 (ja) | 1999-12-14 | 2011-09-30 | Ledランプ装置 |
JP2013228170A Pending JP2014063744A (ja) | 1999-12-14 | 2013-11-01 | Ledランプ装置 |
JP2014253018A Expired - Lifetime JP5877473B2 (ja) | 1999-12-14 | 2014-12-15 | Ledランプ装置 |
JP2015158724A Expired - Lifetime JP5994161B2 (ja) | 1999-12-14 | 2015-08-11 | Ledランプ装置 |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001546220A Expired - Lifetime JP4353667B2 (ja) | 1999-12-14 | 2000-12-14 | Ledランプ装置 |
JP2009118172A Expired - Lifetime JP5165637B2 (ja) | 1999-12-14 | 2009-05-15 | Ledランプ装置 |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013228170A Pending JP2014063744A (ja) | 1999-12-14 | 2013-11-01 | Ledランプ装置 |
JP2014253018A Expired - Lifetime JP5877473B2 (ja) | 1999-12-14 | 2014-12-15 | Ledランプ装置 |
JP2015158724A Expired - Lifetime JP5994161B2 (ja) | 1999-12-14 | 2015-08-11 | Ledランプ装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6577072B2 (ja) |
JP (6) | JP4353667B2 (ja) |
KR (1) | KR100520721B1 (ja) |
AU (1) | AU1889201A (ja) |
WO (1) | WO2001045470A1 (ja) |
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Also Published As
Publication number | Publication date |
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KR100520721B1 (ko) | 2005-10-11 |
JP5877473B2 (ja) | 2016-03-08 |
JP5994161B2 (ja) | 2016-09-21 |
JP2016001617A (ja) | 2016-01-07 |
AU1889201A (en) | 2001-06-25 |
JP5507517B2 (ja) | 2014-05-28 |
JP2014063744A (ja) | 2014-04-10 |
US6577072B2 (en) | 2003-06-10 |
US20020158590A1 (en) | 2002-10-31 |
WO2001045470A1 (fr) | 2001-06-21 |
JP2015079764A (ja) | 2015-04-23 |
JP4353667B2 (ja) | 2009-10-28 |
JP2009200053A (ja) | 2009-09-03 |
JP5165637B2 (ja) | 2013-03-21 |
KR20010093337A (ko) | 2001-10-27 |
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