LIGHT EMITTING DIODE FOR PLANT GROWTH
First Claim
1. A lighting device for plant growth comprisingA blue LED chip having the wavelength of 440-460 nm;
- At least two different colors of phosphor powders, one of which must be red phosphor.The phosphors are mixed with silicone gel, and the mixture encapsulates the blue LED chip, this integrated body could emit light when applied with electricity. By formulating the phosphors, the emitted light will have the spectral very close to that of light necessary for plant photosynthesis.
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Abstract
The present invention is a lighting device for plant growth, it is composed of a blue LED chip as the light source with different colors of phosphor powders. The wave length of blue chip falls in the range of 440-460 nm which stimulates stoma opening to absorb carbon dioxide. By formulating the right recipe of phosphors, the emitted light will have the spectra very close to that of light necessary for plant photosynthesis. It has the combined functions of good plant photosynthesis, stoma opening stimulation and some photomorphogenesis in one single device. It is a very prominent invention of artificial lights for plant growth ever seen.
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13 Claims
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1. A lighting device for plant growth comprising
A blue LED chip having the wavelength of 440-460 nm; -
At least two different colors of phosphor powders, one of which must be red phosphor. The phosphors are mixed with silicone gel, and the mixture encapsulates the blue LED chip, this integrated body could emit light when applied with electricity. By formulating the phosphors, the emitted light will have the spectral very close to that of light necessary for plant photosynthesis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification