JP5941139B2 - 固体照明デバイスを制御するシステム及び方法、並びに該システム及び/又は方法を組み込んだ照明装置 - Google Patents
固体照明デバイスを制御するシステム及び方法、並びに該システム及び/又は方法を組み込んだ照明装置 Download PDFInfo
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- JP5941139B2 JP5941139B2 JP2014513696A JP2014513696A JP5941139B2 JP 5941139 B2 JP5941139 B2 JP 5941139B2 JP 2014513696 A JP2014513696 A JP 2014513696A JP 2014513696 A JP2014513696 A JP 2014513696A JP 5941139 B2 JP5941139 B2 JP 5941139B2
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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]
- H05B45/20—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]
- H05B45/30—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
- 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
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Description
101 領域
102 領域
103 領域
104 領域
105 領域
106 黒体軌跡
Claims (13)
- 第1の色度を有する第1のLEDの組と、前記第1の色度とは異なる第2の色度を有する第2のLEDの組とを含む、第1の端子と第2の端子の間に結合されて直列に接続された発光ダイオード(LED)のストリングであって、前記第1及び第2のLEDの組は、ほぼ重複する出力スペクトルと、それぞれの第1及び第2の異なる色度範囲に含まれる色度とを有する、ストリングと、
前記ストリングに動作可能に結合され、前記第1の端子と前記第2の端子の間を通る総電流の変化に応答して、前記ストリングの前記第1及び第2のLEDの組を通るそれぞれの電流を差別的に変化させることにより、前記ストリングによって生じる色温度を変化させて、前記色温度を黒体軌跡に一致させるように構成された制御回路と、
を備え、
前記制御回路は、前記総電流に応答して、前記第1の照明デバイスの組を避けて前記第2の組に対して差別的に電流を迂回させるように構成されたバイパス回路を含む、
ことを特徴とする照明装置。 - 前記バイパス回路は、前記総電流が減少するにつれて前記色温度が減少するように、前記総電流に応答して、前記第1のLEDの組を避けて前記第2のLEDの組に対して差別的に電流を迂回させるように構成される、
ことを特徴とする請求項1に記載の装置。 - 前記バイパス回路は、前記第1のLEDの組の少なくとも1つのLEDと並列に結合された少なくとも1つの抵抗器、可変抵抗回路、及び/又はスイッチング回路を含む、
ことを特徴とする請求項1に記載の装置。 - 前記第1のLEDの組は、第1の青色寄りの黄色(BSY)LEDの組を含み、前記第2のLEDの組は、第2のBSY LEDの組を含む、
ことを特徴とする請求項1に記載の装置。 - 前記ストリングは、前記第1及び第2のBSY LEDの組と直列に結合された赤色LEDの組をさらに含む、
ことを特徴とする請求項4に記載の装置。 - 前記制御回路は、調光器制御入力信号に応答して前記総電流を制御するようにさらに構成される、
ことを特徴とする請求項1に記載の装置。 - 前記制御回路は、前記色温度を黒体軌跡の少なくとも10段階マクアダム楕円内に一致させるように構成される、
ことを特徴とする請求項1に記載の装置。 - 前記制御回路は、前記総電流の第1の範囲にわたってほぼ一定の色温度をもたらし、前記総電流の第2の範囲にわたって前記色温度を前記黒体軌跡に一致させるように構成される、
ことを特徴とする請求項1に記載の装置。 - 前記制御回路は、前記総電流に応答して、前記複数のLEDによって生じる色温度を、約80%よりも高い演色評価数(CRI)を維持しながら約3500K〜約1800Kの範囲にわたって変化させるように構成される、
ことを特徴とする請求項1に記載の装置。 - 前記直列に接続されたLEDのストリングは、少なくとも3つの異なる色度を有するLEDを含み、
前記制御回路は、調光制御入力に応答して、前記直列に接続されたLEDのストリングによって生じる色温度を、約80%よりも高い演色評価数(CRI)を維持しながら約5000K〜約2000Kの範囲にわたって変化させるように構成される、
ことを特徴とする請求項1に記載の装置。 - 前記制御回路は、調光制御入力に応答して、前記第1及び第2の発光デバイスの組を差別的に動作させるように構成される、
ことを特徴とする請求項1に記載の装置。 - 前記第1及び第2の発光デバイスの組は、第1の端子と第2の端子の間に直列に接続され、前記制御回路は、前記第1の端子と前記第2の端子の間を通る総電流に応答して、前記第1及び第2のLEDの組を通る電流を差別的に変化させるように構成される、
ことを特徴とする請求項1に記載の装置。 - 前記制御回路は、前記色温度を白熱灯の挙動に近似するように変化させるよう構成される、
ことを特徴とする請求項1に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/152,640 US10178723B2 (en) | 2011-06-03 | 2011-06-03 | Systems and methods for controlling solid state lighting devices and lighting apparatus incorporating such systems and/or methods |
US13/152,640 | 2011-06-03 | ||
PCT/US2012/040189 WO2012166904A1 (en) | 2011-06-03 | 2012-05-31 | Systems and methods for controlling solid state lighting devices and lighting apparatus incorporating such systems and/or methods |
Publications (2)
Publication Number | Publication Date |
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JP2014520360A JP2014520360A (ja) | 2014-08-21 |
JP5941139B2 true JP5941139B2 (ja) | 2016-06-29 |
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Application Number | Title | Priority Date | Filing Date |
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JP2014513696A Expired - Fee Related JP5941139B2 (ja) | 2011-06-03 | 2012-05-31 | 固体照明デバイスを制御するシステム及び方法、並びに該システム及び/又は方法を組み込んだ照明装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10178723B2 (ja) |
EP (1) | EP2716137B1 (ja) |
JP (1) | JP5941139B2 (ja) |
CN (1) | CN103650643A (ja) |
WO (1) | WO2012166904A1 (ja) |
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2011
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JP2014520360A (ja) | 2014-08-21 |
EP2716137B1 (en) | 2018-10-24 |
EP2716137A1 (en) | 2014-04-09 |
CN103650643A (zh) | 2014-03-19 |
WO2012166904A1 (en) | 2012-12-06 |
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