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Light source for plant illumination

A plant lighting and light source technology, applied in the field of light sources, can solve the problems of photosynthesis efficiency reduction and achieve the effect of maintaining spectral continuity

Pending Publication Date: 2021-11-19
KAISTAR LIGHTING (XIAMEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The LED blue light used in common plant lighting (Horticultural Lighting) is a narrow-wave blue light of 450nm. Although this wavelength is the intersection wavelength of chlorophyll a, chlorophyll b and carotenoids, this wavelength is not the most effective wavelength for photosynthesis. reduce the efficiency of photosynthesis

Method used

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Embodiment Construction

[0034] Specific structural and functional details disclosed herein are representative only and for purposes of describing example embodiments of the present invention. This invention may, however, be embodied in many alternative forms and should not be construed as limited to only the embodiments set forth herein.

[0035] In the description of the present invention, it should be understood that the orientation or position indicated by the terms "upper", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, and It is not to indicate or imply that the device or component referred to must have a particular orientation, be constructed in a particular orientation, or operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes ...

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Abstract

The embodiment of the invention discloses a light source for plant illumination. The light source for plant illumination comprises a substrate, a plurality of blue light chips with different emission spectrums which are arranged on the substrate, and a packaging body arranged on the substrate and covering the plurality of blue light chips. A synthetic spectrum of the plurality of blue light chips has a plurality of crest points in a wavelength range of 400 nm-540 nm, the normalized intensity of each of the plurality of crest points is greater than 60%, and the full width at half maximum of the synthetic spectrum is in a range of 25 nm-80 nm. The full width at half maximum of the synthetic spectrum of the light source for plant illumination can be as wide as possible in a blue light wave band below 500 nm, so that the full width at half maximum is close to that of a plant illumination model, and the requirements of different blue light wavelengths of various plants are met.

Description

technical field [0001] The invention relates to the technical field of light sources, in particular to a light source for plant lighting. Background technique [0002] Plant growth requires several important elements. In addition to temperature, moisture, air and minerals, light is also an extremely important element. Plant photosynthesis requires red light and blue-violet light, because the pigments on plant chloroplasts are mainly chlorophyll and carotenoids, of which chlorophyll absorbs red light and blue-violet light, while carotenoids only absorb blue-violet light, so plants Red and blue-violet light are most needed for photosynthesis. From figure 1 According to the plant absorption spectrum shown, the absorption wavelengths of chlorophyll a (Chla), chlorophyll b (Chlb) and carotenoids (Caro) are all different. The LED blue light used in common plant lighting (Horticultural Lighting) is a narrow-wave blue light of 450nm. Although this wavelength is the intersection w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L25/075A01G7/04
CPCH01L25/0753A01G7/045Y02P60/14
Inventor 张景琼
Owner KAISTAR LIGHTING (XIAMEN) CO LTD
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