CN110224054B - Single-color LED for plant illumination and plant illumination lamp - Google Patents

Single-color LED for plant illumination and plant illumination lamp Download PDF

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Publication number
CN110224054B
CN110224054B CN201910389966.1A CN201910389966A CN110224054B CN 110224054 B CN110224054 B CN 110224054B CN 201910389966 A CN201910389966 A CN 201910389966A CN 110224054 B CN110224054 B CN 110224054B
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equal
plant illumination
plant
red powder
monochromatic
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CN110224054A (en
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陈磊
敬刚
刘岩
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Shenzhen Research Institute Tsinghua University
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Shenzhen Research Institute Tsinghua University
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00—Botany in general
    • A01G7/04—Electric or magnetic or acoustic treatment of plants for promoting growth
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00—Botany in general
    • A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/50—Wavelength conversion elements
    • H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
    • H01L33/502—Wavelength conversion materials
    • H01L33/504—Elements with two or more wavelength conversion materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/14—Measures for saving energy, e.g. in green houses

Abstract

The invention provides a monochromatic LED for plant illumination and a plant illuminating lamp, wherein the monochromatic LED for plant illumination comprises a substrate, a blue light chip and a fluorescent glue layer, wherein the fluorescent glue layer comprises packaging glue and fluorescent powder mixed in the packaging glue; the fluorescent powder comprises fluoride red powder and nitride red powder, and the chemical formula of the fluoride red powder is K2SixMn1‑ xF6X is more than or equal to 0.05 and less than or equal to 0.1; the chemical formula of the nitride red powder is SraEubCa1‑a‑bAlSiN3A is more than or equal to 0.05 and less than or equal to 0.1, and b is more than or equal to 0.008 and less than or equal to 0.08. According to the invention, the fluoride red powder and the nitride red powder are mixed to form the fluorescent powder, and the blue light chip is used for exciting the fluorescent powder, so that monochromatic illumination light with a wide spectrum range can be obtained, monochromatic light can be well supplemented to plants, and the growth of the plants is promoted.

Description

Single-color LED for plant illumination and plant illumination lamp
Technical Field
The invention belongs to the field of LED plant illumination, and particularly relates to a monochromatic LED for plant illumination and a plant illumination lamp using the monochromatic LED for plant illumination.
Background
Light-Emitting diodes (LED for short). Indoor plant growth such as plant factory and greenhouse planting all needs illumination supplementation for plant growth. And because the LED lamp has the characteristics of high light-emitting rate, energy conservation and long service life, the LED lamp is also increasingly applied to plant illumination. Because the illumination wavelength range required by plants is generally wide, the current plant illumination generally adopts a plurality of LEDs which generate light rays with different wavelengths to combine so as to simulate sunlight to illuminate the plants. However, in order to better promote plant growth, it is often necessary to enhance certain colors of light. At this time, a single-color LED is often required to perform specific supplementary lighting irradiation; however, the spectrum of the current monochromatic LED lamp is narrow, and the plant illumination requirement is difficult to meet.
Disclosure of Invention
The invention aims to provide a monochromatic LED for plant illumination, which aims to solve the problem that a monochromatic LED lamp in the prior art is narrow in frequency spectrum and is not suitable for plant illumination.
In order to achieve the purpose, the invention adopts the technical scheme that: the single-color LED for plant illumination comprises a substrate, a blue light chip arranged on the substrate and a fluorescent glue layer packaged on the blue light chip, wherein the fluorescent glue layer comprises packaging glue and fluorescent powder mixed in the packaging glue;
the fluorescent powder comprises fluoride red powder and nitride red powder which are mixed with each other, and the chemical formula of the fluoride red powder is K2SixMn1-xF6And x ranges from: x is more than or equal to 0.05 and less than or equal to 0.1; the chemical formula of the nitride red powder is SraEubCa1-a- bAlSiN3And the ranges of a and b are respectively: a is more than or equal to 0.05 and less than or equal to 0.1, and b is more than or equal to 0.008 and less than or equal to 0.08.
Further, the peak wavelength of the light emitted by the monochromatic LED for plant illumination is 650nm-670 nm.
Further, the chemical formula of the fluoride red powder is K2SixMn1-xF6And x ranges from: x is more than or equal to 0.08 and less than or equal to 0.1.
Further, the chemical formula of the nitride red powder is SraEubCa1-a-bAlSiN3And the ranges of a and b are respectively: a is more than or equal to 0.05 and less than or equal to 0.07, and b is more than or equal to 0.01 and less than or equal to 0.02.
Further, the mass ratio of the fluoride red powder to the nitride red powder is 10: (0.5-5).
Furthermore, a bowl cup is arranged on the substrate, and the blue light chip is arranged in the bowl cup.
Furthermore, a water-resisting layer is arranged on the substrate, and the blue-light chip is arranged on the water-resisting layer.
Furthermore, the monochromatic LED for plant illumination also comprises a lens layer covering the fluorescent glue layer.
Furthermore, the wavelength of the light emitted by the blue light chip is between 440 nm and 460 nm.
The monochromatic LED for plant illumination provided by the invention has the beneficial effects that: compared with the prior art, the invention adopts the chemical formula ofK2SixMn1-xF6Fluoride red powder of (A) and Sr as chemical formulaaEubCa1-a-bAlSiN3The nitride red powder is mixed to form the fluorescent powder, and the blue light chip is used for exciting the fluorescent powder, so that monochromatic illumination light with a wide spectrum range can be obtained, monochromatic light supplement can be well carried out on plants, and plant growth is promoted.
Another object of the present invention is to provide a plant illumination lamp including the single color LED for plant illumination as described above.
The plant lighting lamp provided by the invention has the beneficial effects that: compared with the prior art, the plant lighting lamp uses the monochromatic LED for plant lighting, monochromatic light supplement can be better carried out on plants, and plant growth is well promoted.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a monochromatic LED for plant illumination according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a monochromatic LED for plant illumination according to a second embodiment of the present invention.
Wherein, in the drawings, the reference numerals are mainly as follows:
100-single color LED for plant lighting; 11-a substrate; 110-bowl cup; 12-a water barrier layer; 13-a blue light chip; 131-gold wires; 14-fluorescent glue layer; 15-lens layer.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows:
referring to fig. 1, a monochromatic LED100 for plant illumination according to an embodiment of the present invention will be described. The monochromatic LED100 for plant illumination comprises a substrate 11, a blue light chip 13 and a fluorescent glue layer 14; the blue light chip 13 is mounted on the substrate 11 and electrically connected with the substrate 11, so that the blue light chip 13 is supported by the substrate 11, and the blue light chip 13 emits blue light after being electrified; and the fluorescent glue layer 14 is packaged on the blue light chip 13 to protect the blue light chip 13. The fluorescent glue layer 14 comprises packaging glue and fluorescent powder mixed in the packaging glue; the packaging adhesive plays a role in adhesion and curing, and protects the blue light chip 13; and the phosphor powder is mixed in the packaging adhesive, and when the blue light emitted by the blue light chip 13 irradiates the phosphor powder, the blue light can be excited to generate real wavelength light. Specifically, the fluorescent powder comprises fluoride red powder and nitride red powder, namely the fluoride red powder and the nitride red powder are mixed to form the fluorescent powder, wherein the chemical formula of the fluoride red powder is K2SixMn1-xF6And x ranges from: x is more than or equal to 0.05 and less than or equal to 0.1; the chemical formula of the nitride red powder is SraEubCa1-a-bAlSiN3And the ranges of a and b are respectively: a is more than or equal to 0.05 and less than or equal to 0.1, and b is more than or equal to 0.008 and less than or equal to 0.08. Thereby when the light that blue light chip 13 produced shines on the phosphor powder, can arouse the ruddiness that produces the spectral range broad to the production promotes vegetation, and then when using, can be good carry out monochromatic light filling to the plant, and adapt to the demand of different plants to the spectrum.
Compared with the prior art, the single-color LED100 for plant illumination provided by the invention has the chemical formula K2SixMn1-xF6Fluoride red powder of (A) and Sr as chemical formulaaEubCa1-a-bAlSiN3The blue light chip 13 is used for exciting the fluorescent powder, so that monochromatic illumination light with a wide spectrum range can be obtained, monochromatic light can be well supplemented to the plants, and the growth of the plants is promoted.
Further, referring to fig. 1, as an embodiment of the monochromatic LED100 for plant illumination provided by the present invention, the peak wavelength of the light emitted by the monochromatic LED100 for plant illumination is between 650nm and 670 nm; therefore, when the monochromatic LED100 for plant illumination is used for plant illumination, the plant growth can be better promoted. Since most of the plants have a significant promoting effect when the plants are supplemented with light with a wavelength of about 660nm, preferably, the peak wavelength of the light emitted by the monochromatic LED100 for plant illumination is 660nm, so as to promote the growth of the plants and meet the growth requirements of most of the plants.
Preferably, referring to fig. 1, as an embodiment of the single-color LED100 for plant illumination provided by the present invention, the chemical formula of the fluoride red powder is K2SixMn1-xF6And x ranges from: x is more than or equal to 0.08 and less than or equal to 0.1. The fluoride red powder can improve the light-emitting rate, the wavelength range of the excited light is more inclined to about 660nm, the light with longer wavelength is reduced, and the growth of plants is further promoted.
Preferably, referring to fig. 1, the chemical formula of the nitride red powder is Sr as an embodiment of the single-color LED100 for plant illumination provided by the present inventionaEubCa1-a-bAlSiN3And the ranges of a and b are respectively: a is more than or equal to 0.05 and less than or equal to 0.07, and b is more than or equal to 0.01 and less than or equal to 0.02. The nitride red powder can improve the light-emitting rate, the wavelength range of the excited light is more inclined to about 660nm, the light with shorter wavelength is reduced, and the growth of plants is further promoted.
Preferably, the fluoride red powder in the phosphor has the chemical formula K2SixMn1-xF6And x ranges from: x is more than or equal to 0.08 and less than or equal to 0.1; the chemical formula of the nitride red powder is SraEubCa1-a-bAlSiN3And the ranges of a and b are respectively: a is more than or equal to 0.05 and less than or equal to 0.07, and b is more than or equal to 0.01 and less than or equal to 0.02. Therefore, the monochromatic LED100 for plant illumination emits monochromatic light which can better and more specifically promote plant illumination and growth.
Further, referring to fig. 1, as an embodiment of the monochromatic LED100 for plant illumination provided by the present invention, the mass ratio of the fluoride red powder to the nitride red powder is 10: (0.5-5). Therefore, more red light with relatively shorter wavelength is emitted by the monochromatic LED100 for plant illumination, and the infrared light is reduced, so that the plant growth is better promoted. Preferably, the mass ratio of the fluoride red powder to the nitride red powder is 10: 1, the requirement of monochromatic light for plant growth is better met, and the plant growth is better promoted.
Further, referring to fig. 1, as an embodiment of the monochromatic LED100 for plant illumination provided by the present invention, a bowl 110 is disposed on the substrate 11, and the blue light chip 13 is disposed in the bowl 110. Set up bowl cup 110 to better installation blue light chip 13, and make things convenient for the holding and fix a position the fluorescent glue, simultaneously can also be better reflect light, improve the light-emitting rate. In some embodiments, a groove-like structure may be machined directly into the base plate 11 to form the bowl 110. Of course, in other embodiments, a dam may be provided on the base plate 11 to form the bowl 110. Of course, it is also possible to use plastic on the base plate 11 to be cured into the bowl 110 structure.
Further, referring to fig. 1, as an embodiment of the monochromatic LED100 for plant illumination provided by the present invention, a water-blocking layer 12 is disposed on a substrate 11, and a blue-light chip 13 is disposed on the water-blocking layer 12. Set up water barrier 12 on base plate 11, assurance blue light chip 13 that can be better to play dampproofing effect, better preventing blue light chip 13 simultaneously from droing, improve the life-span. In addition, the water-resisting layer 12 can also play a role in reflecting light, so that the light extraction rate is improved, and the water-resisting layer 12 can also play a role in heat dissipation, so that the service life is prolonged.
Further, referring to fig. 1, as an embodiment of the monochromatic LED100 for plant illumination provided by the present invention, the water-blocking layer 12 may be disposed on the inner surface of the bowl 110 to better reflect light, improve light-emitting efficiency, and better connect and fix the fluorescent glue layer 14.
Further, referring to fig. 1, as an embodiment of the monochromatic LED100 for plant illumination provided by the present invention, the water-blocking layer 12 is an aluminum film layer plated on the substrate 11. The aluminum film layer can play a good role in reflecting light, improve the light-emitting rate, play a role in moisture protection, better prevent oxidation and prolong the service life. Further, the thickness of the aluminum film layer is 10 to 100 μm. So as to play a good damp-proof role, perform good heat dissipation and improve the heat dissipation efficiency.
Further, referring to fig. 1, as an embodiment of the monochromatic LED100 for plant illumination provided by the present invention, the monochromatic LED100 for plant illumination further includes a lens layer 15 covering the fluorescent glue layer 14. Set up lens layer 15, not only can play good dimming effect, can play the guard action moreover to better assurance fluorescence glue film 14, and then protection blue light chip 13.
Further, referring to fig. 1, as an embodiment of the monochromatic LED100 for plant illumination provided by the present invention, the lens layer 15 is seamlessly soldered on the substrate 11 by using an inorganic solder. So that the lens layer 15 is firmly mounted on the substrate 11 and the substrate 11 is encapsulated, thereby providing a better moisture-proof effect.
Further, the lens layer 15 may be made of polymethyl methacrylate, so as to facilitate processing and installation and use. Of course, in some embodiments, the lens layer 15 may also be made of glass or other materials.
Further, referring to fig. 1, as a specific embodiment of the monochromatic LED100 for plant illumination provided by the present invention, the lens layer 15 is filled with an inert gas for protection by the inert gas, so as to better prevent the oxidation and discoloration of the phosphor layer 14, better ensure the phosphor powder in the phosphor layer 14, better protect moisture, prevent the blue light chip 13 and the phosphor layer 14 from falling off, and improve quality and life. And at the same time, can also play a role in protecting the water-resisting layer 12.
Further, referring to fig. 1, as a specific embodiment of the single-color LED100 for plant illumination provided by the present invention, the blue light chip 13 is installed in the bowl 110, the lens layer 15 is semi-flat, and the lens layer 15 covers the bowl 110 to ensure the blue light chip 13 and the fluorescent glue layer 14 in the bowl 110. Of course, in other embodiments, the lens layer 15 may be disposed in a spherical shell shape or the like to facilitate dimming.
Further, referring to fig. 1, as an embodiment of the monochromatic LED100 for plant illumination provided by the present invention, the wavelength of the light emitted by the blue light chip 13 is between 440-460nm to better excite the phosphor powder in the phosphor layer 14 to emit red light, and the wavelength range of the emitted light is wider and close to 660nm to promote plant growth.
Further, referring to fig. 1, as an embodiment of the monochromatic LED100 for plant illumination provided by the present invention, the blue light chip 13 is electrically connected to the substrate 11 through a gold wire 131. To facilitate mounting of the blue chip 13.
Further, each gold wire 131 is integrally in an inclined S shape so as to facilitate bending of the gold wire 131, and a joint of the gold wire 131 and the substrate 11 is ensured to have a large amount of slack, so that when the fluorescent glue is separated from the substrate 11, the pulling of the gold wire 131 is reduced, and the reliability of the monochromatic LED100 for plant illumination is effectively improved.
Example two:
referring to fig. 2, the difference between the single-color LED100 for plant illumination of the present embodiment and the single-color LED for plant illumination of the first embodiment is:
in this embodiment, the lens layer 15 is spherical to adjust the light better, so as to increase the light emitting angle of the monochromatic LED100 for plant illumination, thereby facilitating the use of plant illumination. Of course, in other embodiments, the lens layer 15 may be provided in other shapes as desired.
The other structures of the monochromatic LED100 for plant illumination of the present embodiment are the same as those of the monochromatic LED for plant illumination of the first embodiment, and are not described herein again.
The embodiment of the invention also discloses a plant lighting lamp; referring to fig. 1 and 2 together, the plant illumination lamp includes the single-color LED100 for illuminating a plant as described above. This plant light has used above-mentioned monochromatic LED100 for the plant illumination, can be better carry out monochromatic light filling to the plant, well promotion vegetation.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. The monochromatic LED for plant illumination comprises a substrate, a blue light chip arranged on the substrate and a fluorescent glue layer packaged on the blue light chip, and is characterized in that the fluorescent glue layer comprises packaging glue and fluorescent powder mixed in the packaging glue;
the fluorescent powder comprises fluoride red powder and nitride red powder which are mixed with each other, and the chemical formula of the fluoride red powder is K2SixMn1-xF6And x ranges from: x is more than or equal to 0.05 and less than or equal to 0.1; the chemical formula of the nitride red powder is SraEubCa1-a-bAlSiN3And the ranges of a and b are respectively: a is more than or equal to 0.05 and less than or equal to 0.1, and b is more than or equal to 0.008 and less than or equal to 0.08;
the peak wavelength of light emitted by the monochromatic LED for plant illumination is 650nm-670 nm.
2. The single color LED for plant illumination according to claim 1, wherein: the chemical formula of the fluoride red powder is K2SixMn1-xF6And x ranges from: x is more than or equal to 0.08 and less than or equal to 0.1.
3. The single color LED for plant illumination according to claim 1, wherein: the chemical formula of the nitride red powder is SraEubCa1-a-bAlSiN3And the ranges of a and b are respectively: a is more than or equal to 0.05 and less than or equal to 0.07, and b is more than or equal to 0.01 and less than or equal to 0.02.
4. The single color LED for plant illumination according to claim 1, wherein: the mass ratio of the fluoride red powder to the nitride red powder is 10: (0.5-5).
5. The single color LED for plant illumination according to any one of claims 1 to 4, wherein: the base plate is provided with a bowl cup, and the blue light chip is arranged in the bowl cup.
6. The single color LED for plant illumination according to any one of claims 1 to 4, wherein: the substrate is provided with a water-resisting layer, and the blue-light chip is arranged on the water-resisting layer.
7. The single color LED for plant illumination according to any one of claims 1 to 4, wherein: the monochromatic LED for plant illumination further comprises a lens layer covering the fluorescent glue layer.
8. The single color LED for plant illumination according to any one of claims 1 to 4, wherein: the wavelength of the light emitted by the blue light chip is between 440 nm and 460 nm.
9. Plant light, its characterized in that: comprising a monochromatic LED for plant illumination as claimed in any one of claims 1 to 8.
CN201910389966.1A 2019-05-10 2019-05-10 Single-color LED for plant illumination and plant illumination lamp Active CN110224054B (en)

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Publication number Priority date Publication date Assignee Title
CN112602490B (en) * 2020-12-31 2022-11-01 陕西电子信息集团光电科技有限公司 LED plant illumination light filling system suitable for fig is grown
CN113193100A (en) * 2021-05-25 2021-07-30 鸿利智汇集团股份有限公司 Promote infrared LED encapsulation of hela cell growth

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CN102986044A (en) * 2010-10-15 2013-03-20 三菱化学株式会社 White light emitting device and lighting device
CN103574489A (en) * 2012-07-31 2014-02-12 无锡华兆泓光电科技有限公司 LED (light emitting diode) light source for plant growth
CN104617206A (en) * 2015-01-23 2015-05-13 陕西科技大学 Red-light LED (light-emitting diode) lamp capable of accelerating ripening of fruits and preparation method thereof
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CN204809258U (en) * 2015-07-11 2015-11-25 浙江浩翔光电科技有限公司 Can effectively provide vegetation's LED light source ware
CN105284446A (en) * 2015-09-29 2016-02-03 湖南绿米科技有限公司 Method utilizing LED plant growth light source to promote seedling nursing of solanaceous vegetables
CN109192843A (en) * 2018-07-10 2019-01-11 旭宇光电（深圳）股份有限公司 Plant growth light emitting diode

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Publication number Priority date Publication date Assignee Title
CN102986044A (en) * 2010-10-15 2013-03-20 三菱化学株式会社 White light emitting device and lighting device
CN103574489A (en) * 2012-07-31 2014-02-12 无锡华兆泓光电科技有限公司 LED (light emitting diode) light source for plant growth
KR20150061740A (en) * 2013-11-28 2015-06-05 (주)아스트로 Led light device for plant growth using nitride-based red-fluorescent substance
CN104617206A (en) * 2015-01-23 2015-05-13 陕西科技大学 Red-light LED (light-emitting diode) lamp capable of accelerating ripening of fruits and preparation method thereof
CN204809258U (en) * 2015-07-11 2015-11-25 浙江浩翔光电科技有限公司 Can effectively provide vegetation's LED light source ware
CN105284446A (en) * 2015-09-29 2016-02-03 湖南绿米科技有限公司 Method utilizing LED plant growth light source to promote seedling nursing of solanaceous vegetables
CN109192843A (en) * 2018-07-10 2019-01-11 旭宇光电（深圳）股份有限公司 Plant growth light emitting diode

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