JP6587623B2 - Led駆動回路 - Google Patents
Led駆動回路 Download PDFInfo
- Publication number
- JP6587623B2 JP6587623B2 JP2016547515A JP2016547515A JP6587623B2 JP 6587623 B2 JP6587623 B2 JP 6587623B2 JP 2016547515 A JP2016547515 A JP 2016547515A JP 2016547515 A JP2016547515 A JP 2016547515A JP 6587623 B2 JP6587623 B2 JP 6587623B2
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- JP
- Japan
- Prior art keywords
- led group
- led
- group
- light
- leds
- 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.)
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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]
- H05B45/20—Controlling the colour of the light
-
- 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]
- H05B45/20—Controlling the colour of the light
- H05B45/24—Controlling the colour of the light using electrical feedback from LEDs or from LED modules
-
- 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
- H05B45/357—Driver circuits specially adapted for retrofit LED light sources
- H05B45/3574—Emulating the electrical or functional characteristics of incandescent lamps
- H05B45/3577—Emulating the dimming characteristics, brightness or colour temperature of incandescent lamps
-
- 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
- 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]
- H05B45/40—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
- 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
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Description
2 第1ダム材
3 第2ダム材
4 第3ダム材
6 第1の蛍光体含有樹脂
7 第2の蛍光体含有樹脂
10、10´ LED駆動システム
15 位相制御式調光部
20、20´ LED駆動回路
22 全波整流用ダイオードブリッジ回路
40 制御部
200、210、220、230 LED発光装置
L1 第1LED群
L2 第2LED群
L3 第3LED群
Claims (6)
- LED駆動回路において、
交流電流を全波整流して整流出力電圧を出力するダイオードブリッジ整流回路と、
前記ダイオードブリッジ整流回路に対して並列に接続された、複数の第1LEDが直列に接続された第1LED群及び複数の第2LEDが直列に接続された第2LED群と、
複数の前記第2LEDが直列に接続されるとともに、前記第2LED群と直列に接続された第3LED群と、
前記第1LED群を覆い、前記第1LED群から出射した光を波長変換して、第1の色温度の光を出射する第1の蛍光体含有樹脂領域と、
前記第2LED群及び第3LED群を覆い、前記第2LED群及び第3LED群から出射した光を波長変換して、前記第1の色温度より高い第2の色温度の光を出射する第2の蛍光体含有樹脂領域と、
前記整流出力電圧の上昇に応じて、前記第1LED群のみの点灯から、前記第2LED群のみの点灯へ、更に前記第2LED群のみの点灯から前記第2LED群及び前記第3LED群の点灯へ切換える制御部と、を有し、
前記第1LED群に含まれる前記第1LEDの個数が、前記第2LED群に含まれる前記第2LEDの個数より少なく設定され、
前記制御部が、前記第2LED群と前記第3LED群との間に配置されたバイパス経路を含み、
前記制御部は、前記第2LED群を流れる電流に基づいて、前記第1LED群のみの点灯から、前記第2LED群のみの点灯、又は、前記第1LED群及び前記第2LED群の点灯への切換えを行う、
ことを特徴とするLED駆動回路。 - 基板、及び、記基板上に配置された円環状の第1のダム材を更に有し、
前記第1のダム材の内側に、前記第1の蛍光体含有樹脂領域が配置される、請求項1に記載のLED駆動回路。 - 前記基板上において、前記第1のダム材の外側に配置された円環状の第2のダム材を更に有し、
前記第1のダム材及び前記第2のダム材の間に、前記第2の蛍光体含有樹脂領域が配置される、請求項2に記載のLED駆動回路。 - 前記第1の蛍光体含有樹脂は、前記第1のダム材と接触しない様に、前記第1のダム材の内側に配置され、
前記第2の蛍光体含有樹脂は、前記第1のダム材と前記第2のダム材の間を埋めるように配置されている、請求項3に記載のLED駆動回路。 - 前記第1LED群に含まれる前記第1LEDの直列段数と前記第2LED群に含まれる前記第2LEDの直列段数との比が、1:3より小さい、請求項1〜4の何れか一項に記載のLED駆動回路。
- 前記制御部は、前記整流出力電圧の上昇に応じて、前記第1LED群のみの点灯から、前記第2LED群のみの点灯へ切換える、請求項1に記載のLED駆動回路。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014186800 | 2014-09-12 | ||
JP2014186800 | 2014-09-12 | ||
PCT/JP2015/075890 WO2016039457A1 (ja) | 2014-09-12 | 2015-09-11 | Led駆動回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2016039457A1 JPWO2016039457A1 (ja) | 2017-06-22 |
JP6587623B2 true JP6587623B2 (ja) | 2019-10-09 |
Family
ID=55459200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016547515A Active JP6587623B2 (ja) | 2014-09-12 | 2015-09-11 | Led駆動回路 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9860944B2 (ja) |
EP (1) | EP3193565B1 (ja) |
JP (1) | JP6587623B2 (ja) |
CN (1) | CN107079564B (ja) |
WO (1) | WO2016039457A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107431102B (zh) * | 2015-04-08 | 2019-05-07 | 西铁城时计株式会社 | Led驱动电路 |
JP6818013B2 (ja) * | 2016-04-05 | 2021-01-20 | シチズン時計株式会社 | Led駆動回路 |
CN106560643A (zh) * | 2016-07-31 | 2017-04-12 | 深圳市光擎光电有限公司 | 单端口可调色温led模块与色温调节方法 |
CN106678575A (zh) * | 2017-02-28 | 2017-05-17 | 漳州立达信光电子科技有限公司 | 灯具装置跟发光模组块 |
KR102335456B1 (ko) * | 2017-06-15 | 2021-12-06 | 주식회사 엘엑스세미콘 | 발광 다이오드 조명 장치 |
CN107959991B (zh) * | 2017-10-23 | 2020-05-05 | 扬州艾笛森光电有限公司 | 一种调光驱动电路 |
CN107809821B (zh) * | 2017-10-23 | 2019-07-02 | 东莞达文西光电有限公司 | 一种压控式调光驱动电路 |
CN207527311U (zh) * | 2017-11-16 | 2018-06-22 | 中山市朗升电器照明有限公司 | 一种色温可调的led模组线路 |
US10874001B2 (en) * | 2018-01-26 | 2020-12-22 | Lumens Co., Ltd. | Color temperature variable light emitting diode module, lighting device using the light emitting diode module and method for fabricating the light emitting diode module |
US10499471B2 (en) | 2018-04-13 | 2019-12-03 | Samsung Electronics Co., Ltd. | Light-emitting diode lighting module and lighting apparatus including the same |
WO2019208839A1 (ko) * | 2018-04-23 | 2019-10-31 | 주식회사 실리콘웍스 | 발광다이오드 조명 장치 |
TWI684386B (zh) * | 2018-05-30 | 2020-02-01 | 國立清華大學 | 對人體友善的光源及其用途 |
TWI669988B (zh) * | 2018-05-30 | 2019-08-21 | 國立清華大學 | 智慧型光源 |
Family Cites Families (15)
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US8242704B2 (en) * | 2008-09-09 | 2012-08-14 | Point Somee Limited Liability Company | Apparatus, method and system for providing power to solid state lighting |
JP5438105B2 (ja) * | 2009-06-11 | 2014-03-12 | パナソニック株式会社 | 照明装置および照明システム |
US9380665B2 (en) * | 2009-08-14 | 2016-06-28 | Once Innovations, Inc. | Spectral shift control for dimmable AC LED lighting |
BR112012003331A2 (pt) | 2009-08-14 | 2016-02-10 | Once Innovations Inc | redução de distorção harmônica para cargas de led |
US9232590B2 (en) * | 2009-08-14 | 2016-01-05 | Once Innovations, Inc. | Driving circuitry for LED lighting with reduced total harmonic distortion |
US9433046B2 (en) * | 2011-01-21 | 2016-08-30 | Once Innovations, Inc. | Driving circuitry for LED lighting with reduced total harmonic distortion |
HUE047559T2 (hu) | 2011-01-21 | 2020-04-28 | Signify North America Corp | Meghajtó áramkör LED világításhoz csökkentett teljes harmonikus torzítással |
KR101504192B1 (ko) * | 2011-08-26 | 2015-03-19 | 시티즌 홀딩스 가부시키가이샤 | Led 조명장치 |
US20140062313A1 (en) * | 2011-10-26 | 2014-03-06 | Panasonic Corporation | Lighting device and lighting fixture using the same |
US9450505B2 (en) * | 2012-01-20 | 2016-09-20 | Osram Gmbh | Optoelectronic component device |
WO2013118208A1 (ja) * | 2012-02-07 | 2013-08-15 | パナソニック株式会社 | 発光回路、発光モジュールおよび照明装置 |
WO2013137410A1 (ja) * | 2012-03-16 | 2013-09-19 | シチズンホールディングス株式会社 | Led駆動回路 |
US8581520B1 (en) * | 2012-05-14 | 2013-11-12 | Usai, Llc | Lighting system having a dimming color simulating an incandescent light |
JP2014086694A (ja) * | 2012-10-26 | 2014-05-12 | Sharp Corp | 発光装置、及び発光装置の製造方法 |
US9844113B2 (en) * | 2013-01-25 | 2017-12-12 | Dialog Semiconductor Inc. | Adjusting color temperature in a dimmable LED lighting system |
-
2015
- 2015-09-11 CN CN201580048973.5A patent/CN107079564B/zh not_active Expired - Fee Related
- 2015-09-11 JP JP2016547515A patent/JP6587623B2/ja active Active
- 2015-09-11 US US15/510,431 patent/US9860944B2/en active Active
- 2015-09-11 EP EP15840624.9A patent/EP3193565B1/en active Active
- 2015-09-11 WO PCT/JP2015/075890 patent/WO2016039457A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP3193565B1 (en) | 2019-11-27 |
JPWO2016039457A1 (ja) | 2017-06-22 |
EP3193565A4 (en) | 2018-06-06 |
CN107079564B (zh) | 2019-09-06 |
CN107079564A (zh) | 2017-08-18 |
WO2016039457A1 (ja) | 2016-03-17 |
EP3193565A1 (en) | 2017-07-19 |
US20170290111A1 (en) | 2017-10-05 |
US9860944B2 (en) | 2018-01-02 |
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