CN100403858C - 基于发光二极管的阵列的脉宽调制控制 - Google Patents
基于发光二极管的阵列的脉宽调制控制 Download PDFInfo
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- CN100403858C CN100403858C CNB028195515A CN02819551A CN100403858C CN 100403858 C CN100403858 C CN 100403858C CN B028195515 A CNB028195515 A CN B028195515A CN 02819551 A CN02819551 A CN 02819551A CN 100403858 C CN100403858 C CN 100403858C
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- 238000003491 array Methods 0.000 title 1
- 239000002131 composite material Substances 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 15
- 238000005259 measurement Methods 0.000 abstract description 12
- 230000006870 function Effects 0.000 description 13
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000015654 memory Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Classifications
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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
- 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
Abstract
Description
Claims (14)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/972,111 US6596977B2 (en) | 2001-10-05 | 2001-10-05 | Average light sensing for PWM control of RGB LED based white light luminaries |
US09/972,111 | 2001-10-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1565147A CN1565147A (zh) | 2005-01-12 |
CN100403858C true CN100403858C (zh) | 2008-07-16 |
Family
ID=25519176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028195515A Expired - Lifetime CN100403858C (zh) | 2001-10-05 | 2002-09-30 | 基于发光二极管的阵列的脉宽调制控制 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6596977B2 (zh) |
EP (1) | EP1438877B1 (zh) |
JP (1) | JP4317751B2 (zh) |
CN (1) | CN100403858C (zh) |
AT (1) | ATE326127T1 (zh) |
DE (1) | DE60211366T2 (zh) |
TW (1) | TWI226208B (zh) |
WO (1) | WO2003032689A1 (zh) |
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JP2001350439A (ja) * | 2000-06-06 | 2001-12-21 | Sony Corp | 変調回路およびこれを用いた画像表示装置 |
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2001
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- 2002-09-30 CN CNB028195515A patent/CN100403858C/zh not_active Expired - Lifetime
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- 2002-09-30 JP JP2003535510A patent/JP4317751B2/ja not_active Expired - Lifetime
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Patent Citations (5)
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FR2714564A1 (fr) * | 1993-12-28 | 1995-06-30 | Etat Francais Labo Cl Ponts Ch | Procédé de commande d'une source lumineuse, moyens pour la mise en Óoeuvre de ce procédé et dispositif équipé des dits moyens. |
US5783909A (en) * | 1997-01-10 | 1998-07-21 | Relume Corporation | Maintaining LED luminous intensity |
CN1291282A (zh) * | 1998-12-18 | 2001-04-11 | 皇家菲利浦电子有限公司 | 发光二极管照明装置 |
WO2001058218A1 (en) * | 2000-02-03 | 2001-08-09 | Koninklijke Philips Electronics N.V. | Supply assembly for a led lighting module |
DE10013208A1 (de) * | 2000-03-17 | 2001-09-20 | Tridonic Bauelemente Gmbh Dorn | Ansteuerung von Leuchtdioden (LED`s) |
Also Published As
Publication number | Publication date |
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DE60211366T2 (de) | 2007-02-08 |
ATE326127T1 (de) | 2006-06-15 |
US6596977B2 (en) | 2003-07-22 |
WO2003032689A1 (en) | 2003-04-17 |
JP4317751B2 (ja) | 2009-08-19 |
JP2005505940A (ja) | 2005-02-24 |
EP1438877A1 (en) | 2004-07-21 |
TWI226208B (en) | 2005-01-01 |
CN1565147A (zh) | 2005-01-12 |
EP1438877B1 (en) | 2006-05-10 |
US20030066945A1 (en) | 2003-04-10 |
DE60211366D1 (de) | 2006-06-14 |
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