Lighting device for growing plant
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United States of America Patent
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May 12, 2015
Grant Date -
May 23, 2013
app pub date -
Nov 14, 2012
filing date -
Nov 18, 2011
priority date (Note) -
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Abstract
A lighting device for growing a plant includes: not less than two sorts of semiconductor light-emitting element, each having a peak emission wavelength in a range of 380 nm to 500 nm, the not less than two sorts of semiconductor light-emitting element being different from each other in peak emission wavelength by not less than 5 nm; and a red fluorescent material which (i) is excited by light of at least one of the not less than two sorts of semiconductor light-emitting element and (ii) has a peak emission wavelength in a range of 600 nm to 780 nm.
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Family
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Cited Art Landscape
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