Solid-state circadian rhythm lamp and luminaire and related control techniques
A solid-state circadian rhythm lamp and luminaire and related control techniques are disclosed. The lamp or luminaire may have: (1) a night/pre-sleep emissions mode in which it emits light having a correlated color temperature (CCT) of about 1,800-2,300 K, the spectral power ratio of blue light (400...
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| creator | Hegde, Ravidasa Milliez, Anne Janet Gupta, Vidisha Rioux, Philip Gerard Dutta, Arunava Li, Ming |
| description | A solid-state circadian rhythm lamp and luminaire and related control techniques are disclosed. The lamp or luminaire may have: (1) a night/pre-sleep emissions mode in which it emits light having a correlated color temperature (CCT) of about 1,800-2,300 K, the spectral power ratio of blue light (400-495 nm) being such that it constitutes about 10% or less of the total light emitted; (2) a day/wakeup emissions mode in which it emits light having a CCT of about 5,000-8,000 K, the spectral power ratio of blue light being such that it constitutes about 30% or more of the total light emitted; and/or (3) a general lighting mode in which it produces a combined light output having a CCT of about 2,500-5,000 K. The driver may support emissions mode changing based on hysteresis relating to a lighting switch associated with the lamp or luminaire. |
| format | Patent |
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The lamp or luminaire may have: (1) a night/pre-sleep emissions mode in which it emits light having a correlated color temperature (CCT) of about 1,800-2,300 K, the spectral power ratio of blue light (400-495 nm) being such that it constitutes about 10% or less of the total light emitted; (2) a day/wakeup emissions mode in which it emits light having a CCT of about 5,000-8,000 K, the spectral power ratio of blue light being such that it constitutes about 30% or more of the total light emitted; and/or (3) a general lighting mode in which it produces a combined light output having a CCT of about 2,500-5,000 K. 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| subjects | DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROTHERAPY HUMAN NECESSITIES HYGIENE MAGNETOTHERAPY MEDICAL OR VETERINARY SCIENCE RADIATION THERAPY ULTRASOUND THERAPY |
| title | Solid-state circadian rhythm lamp and luminaire and related control techniques |
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