LIGHTING DEVICE FOR GROWING PLANT
First Claim
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1. A lighting device for growing a plant comprising:
- 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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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.
17 Citations
13 Claims
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1. A lighting device for growing a plant comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A blue-light lighting device comprising:
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, which range is a range of an absorption wavelength of a photosynthetic pigment, 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.
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