JP5179548B2 - 発光素子のドライバ回路 - Google Patents
発光素子のドライバ回路 Download PDFInfo
- Publication number
- JP5179548B2 JP5179548B2 JP2010200751A JP2010200751A JP5179548B2 JP 5179548 B2 JP5179548 B2 JP 5179548B2 JP 2010200751 A JP2010200751 A JP 2010200751A JP 2010200751 A JP2010200751 A JP 2010200751A JP 5179548 B2 JP5179548 B2 JP 5179548B2
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- Prior art keywords
- light emitting
- emitting element
- driver circuit
- rectifier
- voltage
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- 239000003990 capacitor Substances 0.000 claims description 8
- 238000005401 electroluminescence Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims 1
- 230000007423 decrease Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 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]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
- H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
-
- 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
-
- 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
-
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
-
- 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)
- Dc-Dc Converters (AREA)
- Rectifiers (AREA)
- Led Devices (AREA)
Description
2 整流器
21 ブリッジ整流回路
3 過電流保護装置
4 第一発光素子
41 第一発光素子
5 第二発光素子
51 第二発光素子
6 逆起電圧発生ユニット
61 一次電池
62 コンデンサ
63 ダイオード
64 二次電池
7 制御ユニット
71 第一スイッチ
72 第二スイッチ
Claims (10)
- 外部からの交流電圧を受け取り、直流電圧に整流する整流器と、
前記整流器と接続され、前記整流器から受け取った直流電圧を基に直流電流を流す過電流保護装置と、
直流電流が第一発光素子或いは第二発光素子を通過する際に、前記第一発光素子或いは前記第二発光素子の両端で電圧降下が起こり、前記第一発光素子或いは前記第二発光素子の両端で起こった電圧降下と極性が相反するリバースバイアスを発生させる前記逆起電圧発生ユニットと、
前記過電流保護装置と前記整流器との間に接続され、前記第一発光素子と、前記逆起電圧発生ユニットと、前記第二発光素子との順番で直列に接続されたものを含む負荷と、
を備える発光素子のドライバ回路。 - 請求項1に記載の発光素子のドライバ回路において、
前記整流器にブリッジ整流器を使うことを特徴とする発光素子のドライバ回路。 - 請求項1に記載の発光素子のドライバ回路において、
前記第一発光素子及び前記第二発光素子に有機発光ダイオード、発光ダイオード或いはエレクトロルミネッセンスを使うことを特徴とする発光素子のドライバ回路。 - 請求項1に記載の発光素子のドライバ回路において、
前記逆起電圧発生ユニットが一次電池であることを特徴とする発光素子のドライバ回路。 - 発光素子のドライバ回路であって、
外部からの交流電圧を受け取り、直流電圧に整流する整流器と、
前記整流器と接続され、前記整流器から受け取った直流電圧を基に直流電流を流す過電流保護装置と、
第一発光素子と逆起電圧発生ユニットが第一接点で接続されており、逆起電圧発生ユニットと第二発光素子が第二接点で接続されており、直流電流が前記第一発光素子或いは前記第二発光素子を通過する際に、前記第一発光素子或いは前記第二発光素子の両端で電圧降下が起こり、前記第一発光素子或いは前記第二発光素子の両端で起こった降下電圧と極性が相反するリバースバイアスを発生させる前記逆起電圧発生ユニットと、
前記過電流保護装置と前記整流器との間に接続され、前記第一発光素子と、前記逆起電圧発生ユニットと、前記第二発光素子との順番で直列に接続されたものを含む負荷と、
過電流保護装置と第二接点との間に接続された第一スイッチと、
整流器と第一接点との間に接続された第二スイッチと、
整流器と第二発光素子との間に接続され、直流電圧を監視し、その電圧に基づいて第一スイッチ及び第二スイッチを制御する制御ユニットと、
を備える発光素子のドライバ回路。 - 請求項5に記載の発光素子のドライバ回路において、
前記整流器にブリッジ整流器を使うことを特徴とする発光素子のドライバ回路。 - 請求項5に記載の発光素子のドライバ回路において、
前記第一発光素子と前記第二発光素子に有機発光ダイオード、発光ダイオード或いはエレクトロルミネッセンスを使うことを特徴とする発光素子のドライバ回路。 - 請求項5に記載の発光素子のドライバ回路において、
前記第一スイッチ及び前記第二スイッチが、モスフェット(MOSFET)、リレー(Relay)或いはバイポーラジャンクショントランジスタ(BJT)であることを特徴とする発光素子のドライバ回路。 - 請求項5に記載の発光素子のドライバ回路において、
前記逆起電圧発生ユニットに二次電池或いはコンデンサを使うことを特徴とする発光素子のドライバ回路。 - 請求項5に記載の発光素子のドライバ回路において、
前記第一接点及び前記第二接点との間に接続されたダイオードを含むことを特徴とする発光素子のドライバ回路。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW099124397A TWI434599B (zh) | 2010-07-23 | 2010-07-23 | A light-emitting element driving circuit |
TW099124397 | 2010-07-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012028724A JP2012028724A (ja) | 2012-02-09 |
JP5179548B2 true JP5179548B2 (ja) | 2013-04-10 |
Family
ID=45090791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010200751A Active JP5179548B2 (ja) | 2010-07-23 | 2010-09-08 | 発光素子のドライバ回路 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8410710B2 (ja) |
EP (1) | EP2410817B1 (ja) |
JP (1) | JP5179548B2 (ja) |
KR (1) | KR101171042B1 (ja) |
AU (1) | AU2010230081B2 (ja) |
TW (1) | TWI434599B (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9005395B1 (en) | 2014-01-31 | 2015-04-14 | Kimberly-Clark Worldwide, Inc. | Dispersible hydroentangled basesheet with triggerable binder |
US9528210B2 (en) | 2013-10-31 | 2016-12-27 | Kimberly-Clark Worldwide, Inc. | Method of making a dispersible moist wipe |
US10113254B2 (en) | 2013-10-31 | 2018-10-30 | Kimberly-Clark Worldwide, Inc. | Dispersible moist wipe |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6243397B2 (ja) * | 2012-03-20 | 2017-12-06 | フィリップス ライティング ホールディング ビー ヴィ | コンデンサのための充電制御ダイオードを含むledストリング駆動回路 |
TW201401920A (zh) * | 2012-06-22 | 2014-01-01 | Jinone Inc | 穩定發光之led裝置 |
JP6013809B2 (ja) * | 2012-07-05 | 2016-10-25 | ローム株式会社 | Ledドライバ回路および照明装置 |
US9414452B1 (en) * | 2015-01-16 | 2016-08-09 | Iml International | Light-emitting diode lighting device with synchronized PWM dimming control |
US10467220B2 (en) * | 2015-02-19 | 2019-11-05 | Medidata Solutions, Inc. | System and method for generating an effective test data set for testing big data applications |
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US4503390A (en) * | 1981-05-07 | 1985-03-05 | Ideal Industries, Inc. | Switchless voltage, continuity and polarity indicator |
US6020735A (en) * | 1998-04-24 | 2000-02-01 | Lucent Technologies Inc. | Switching device internal diode detection circuit and method of operating the same |
JP3416082B2 (ja) * | 1999-07-01 | 2003-06-16 | 株式会社松村電機製作所 | 照明装置 |
US20050122062A1 (en) * | 2003-12-09 | 2005-06-09 | Yung-Hsiang Hsu | Light emitting diode driving circuit |
US20060039138A1 (en) * | 2004-08-23 | 2006-02-23 | Douglas Grant Oxborrow | Balloon illuminator |
GB2421633B (en) * | 2004-12-21 | 2007-02-14 | Richard Peter James Barton | Lamp assembly for pulse operation |
TW200702824A (en) * | 2005-06-02 | 2007-01-16 | Koninkl Philips Electronics Nv | LED assembly and module |
JP2006344919A (ja) * | 2005-06-06 | 2006-12-21 | Masashi Otsubo | 発光ダイオード点灯回路 |
FR2898226B1 (fr) * | 2006-03-06 | 2009-03-06 | Excem Soc Par Actions Simplifi | Dispositif d'emission electroluminescent pour la transmission optique en espace libre |
US8058820B2 (en) * | 2008-01-14 | 2011-11-15 | Tai-Her Yang | Uni-directional light emitting diode drive circuit in pulsed power parallel resonance |
JP2009296719A (ja) * | 2008-06-03 | 2009-12-17 | Nippon Telegr & Teleph Corp <Ntt> | 直流バックアップ電源システムおよびその充電方法 |
JP5070147B2 (ja) | 2008-07-11 | 2012-11-07 | 昭和電工株式会社 | 電源装置及びそれを備えた照明システム |
TWI495389B (zh) * | 2008-09-05 | 2015-08-01 | Eldolab Holding Bv | 以發光二極體為光源之照明系統 |
JP2010153566A (ja) | 2008-12-25 | 2010-07-08 | Fuji Electric Holdings Co Ltd | Led駆動方式 |
US8354796B2 (en) * | 2009-08-27 | 2013-01-15 | Tai-Her Yang | Reverse polarity series type led and drive circuit |
-
2010
- 2010-07-23 TW TW099124397A patent/TWI434599B/zh active
- 2010-09-08 JP JP2010200751A patent/JP5179548B2/ja active Active
- 2010-09-29 US US12/893,397 patent/US8410710B2/en active Active
- 2010-10-06 EP EP10186773.7A patent/EP2410817B1/en active Active
- 2010-10-13 AU AU2010230081A patent/AU2010230081B2/en active Active
- 2010-10-19 KR KR1020100101943A patent/KR101171042B1/ko active IP Right Grant
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9528210B2 (en) | 2013-10-31 | 2016-12-27 | Kimberly-Clark Worldwide, Inc. | Method of making a dispersible moist wipe |
US10113254B2 (en) | 2013-10-31 | 2018-10-30 | Kimberly-Clark Worldwide, Inc. | Dispersible moist wipe |
US9005395B1 (en) | 2014-01-31 | 2015-04-14 | Kimberly-Clark Worldwide, Inc. | Dispersible hydroentangled basesheet with triggerable binder |
US9320395B2 (en) | 2014-01-31 | 2016-04-26 | Kimberly-Clark Worldwide, Inc. | Dispersible hydroentangled basesheet with triggerable binder |
US9453304B2 (en) | 2014-01-31 | 2016-09-27 | Kimberly-Clark Worldwide, Inc. | Dispersible hydroentangled basesheet with triggerable binder |
US9809931B2 (en) | 2014-01-31 | 2017-11-07 | Kimberly-Clark Worldwide, Inc. | Dispersible hydroentangled basesheet with triggerable binder |
Also Published As
Publication number | Publication date |
---|---|
TW201206236A (en) | 2012-02-01 |
TWI434599B (zh) | 2014-04-11 |
US8410710B2 (en) | 2013-04-02 |
AU2010230081B2 (en) | 2013-05-02 |
EP2410817A3 (en) | 2014-05-21 |
US20120019163A1 (en) | 2012-01-26 |
AU2010230081A1 (en) | 2012-02-16 |
EP2410817A2 (en) | 2012-01-25 |
JP2012028724A (ja) | 2012-02-09 |
KR101171042B1 (ko) | 2012-08-03 |
EP2410817B1 (en) | 2015-09-16 |
KR20120009382A (ko) | 2012-02-01 |
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