JP5311639B2 - Led発光体システム - Google Patents
Led発光体システム Download PDFInfo
- Publication number
- JP5311639B2 JP5311639B2 JP2008537252A JP2008537252A JP5311639B2 JP 5311639 B2 JP5311639 B2 JP 5311639B2 JP 2008537252 A JP2008537252 A JP 2008537252A JP 2008537252 A JP2008537252 A JP 2008537252A JP 5311639 B2 JP5311639 B2 JP 5311639B2
- Authority
- JP
- Japan
- Prior art keywords
- led light
- light source
- temperature
- color
- led
- 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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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]
- H05B45/20—Controlling the colour of the light
- H05B45/22—Controlling the colour of the light using optical feedback
-
- 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
- H05B45/28—Controlling the colour of the light using temperature feedback
Description
12 LED発光体
14,14a−14c LED光源
16,16a−16c ドライバ
18 ユーザインタフェース
20 較正マトリックス
22,22a−22c カラーセンサ
24 カラー参照ブロック
26 比較ブロック
28,28a−28c コントローラ
30 温度センサ
32 計算ブロック
34 参照ブロック
36 ヒートシンク
Claims (8)
- 混合色光を発生するための複数の色の複数のLED光源を含む発光ダイオード(LED)発光体を制御するシステムであって、
所望の色を有する混合色光を表す設定点値と上記LED光源によって発生された混合色光の色を表す第1の制御データとの差に従って上記LED光源を制御する手段を含み、上記第1の制御データは少なくとも1つのカラーセンサによって供給され、
上記各LED光源の温度を導出する手段と、
上記各LED光源の導出された温度と上記各LED光源の基準LED光源温度との間の温度差を決定することにより、上記LED光源の温度を含む第2の制御データに従って上記設定点値を補償する手段であって、上記温度差が複数のLED光源の各々の推定されたピーク波長シフトを表し、上記設定点値を上記推定されたピーク波長シフトに基づいて再計算する、上記設定点値を補償する手段と、
を含むことを特徴とするシステム。 - 混合色光を発生するための複数の色の複数のLED光源を更に備えた、請求項1に記載のシステム。
- 上記第2の制御データは、異なるピーク波長に対する上記1つまたは複数のセンサの感度を表すデータを更に含むことを特徴とする請求項2に記載のシステム。
- 上記第2の制御データは、上記LED光源のスペクトル出力を表すデータを更に含むことを特徴とする請求項2又は3に記載のシステム。
- 上記導出手段は、上記LED光源が取付けられているヒートシンクの温度を測定する温度センサを含むことを特徴とする請求項2乃至4の何れか1項に記載のシステム。
- 上記導出手段は、少なくとも測定されたヒートシンク温度及び複数のLED光源の熱モデルに基づいて上記LED光源温度を計算する手段を更に含むことを特徴とする請求項5に記載のシステム。
- 上記少なくとも1つのカラーセンサは、フィルタ付きのフォトダイオードであることを特徴とする請求項2乃至6の何れか1項に記載のシステム。
- 混合色光を発生するための複数の色の複数のLED光源を含むLED発光体を制御する方法であって、
所望の色を有する混合色光を表す設定点値と上記LED光源によって発生される混合色光の色を表す第1の制御データとの差に従って、上記LED光源を制御するステップを含み、上記第1の制御データは少なくとも1つのカラーセンサによって供給され、
上記各LED光源の温度を導出するステップと、
上記各LED光源の導出された温度と上記各LED光源の基準LED光源温度との間の温度差を決定することにより、上記LED光源の温度を含む第2の制御データに従って上記設定点値を補償するステップであって、上記温度差が複数のLED光源の各々の推定されたピーク波長シフトを表し、上記設定点値を上記推定されたピーク波長シフトに基づいて再計算する、上記設定点値を補償するステップと、
を含むことを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05109999.2 | 2005-10-26 | ||
EP05109999 | 2005-10-26 | ||
PCT/IB2006/053794 WO2007049180A1 (en) | 2005-10-26 | 2006-10-16 | Led luminary system |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2009514206A JP2009514206A (ja) | 2009-04-02 |
JP2009514206A5 JP2009514206A5 (ja) | 2009-12-03 |
JP5311639B2 true JP5311639B2 (ja) | 2013-10-09 |
Family
ID=37746594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008537252A Active JP5311639B2 (ja) | 2005-10-26 | 2006-10-16 | Led発光体システム |
Country Status (8)
Country | Link |
---|---|
US (1) | US7804260B2 (ja) |
EP (1) | EP1943880B1 (ja) |
JP (1) | JP5311639B2 (ja) |
KR (1) | KR101300565B1 (ja) |
CN (1) | CN101297604B (ja) |
RU (1) | RU2415518C2 (ja) |
TW (1) | TWI427580B (ja) |
WO (1) | WO2007049180A1 (ja) |
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-
2006
- 2006-10-16 EP EP06809605.6A patent/EP1943880B1/en active Active
- 2006-10-16 RU RU2008120669/07A patent/RU2415518C2/ru not_active IP Right Cessation
- 2006-10-16 KR KR1020087012200A patent/KR101300565B1/ko active IP Right Grant
- 2006-10-16 US US12/091,108 patent/US7804260B2/en active Active
- 2006-10-16 CN CN2006800398949A patent/CN101297604B/zh active Active
- 2006-10-16 JP JP2008537252A patent/JP5311639B2/ja active Active
- 2006-10-16 WO PCT/IB2006/053794 patent/WO2007049180A1/en active Application Filing
- 2006-10-23 TW TW095139025A patent/TWI427580B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US20080246419A1 (en) | 2008-10-09 |
KR20080064883A (ko) | 2008-07-09 |
TW200723194A (en) | 2007-06-16 |
RU2008120669A (ru) | 2009-12-10 |
TWI427580B (zh) | 2014-02-21 |
CN101297604B (zh) | 2010-06-09 |
RU2415518C2 (ru) | 2011-03-27 |
JP2009514206A (ja) | 2009-04-02 |
EP1943880A1 (en) | 2008-07-16 |
US7804260B2 (en) | 2010-09-28 |
EP1943880B1 (en) | 2013-04-24 |
CN101297604A (zh) | 2008-10-29 |
KR101300565B1 (ko) | 2013-08-28 |
WO2007049180A1 (en) | 2007-05-03 |
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