KR20240070311A - A method of constructing light quality from a single light source based on plant photoreceptors using phosphors in plant cultivation lighting - Google Patents
A method of constructing light quality from a single light source based on plant photoreceptors using phosphors in plant cultivation lighting Download PDFInfo
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- KR20240070311A KR20240070311A KR1020220152054A KR20220152054A KR20240070311A KR 20240070311 A KR20240070311 A KR 20240070311A KR 1020220152054 A KR1020220152054 A KR 1020220152054A KR 20220152054 A KR20220152054 A KR 20220152054A KR 20240070311 A KR20240070311 A KR 20240070311A
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- plant
- plant cultivation
- phosphors
- wavelength band
- light source
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- 108010047161 Plant Photoreceptors Proteins 0.000 title 1
- 238000005538 encapsulation Methods 0.000 abstract description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 4
- 230000012010 growth Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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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
- A01G7/045—Electric or magnetic or acoustic treatment of plants for promoting growth with electric lighting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Botany (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Cultivation Of Plants (AREA)
- Led Device Packages (AREA)
Abstract
효율이 높은 파장대역의 청색 LED를 형광 펌프 LED로 사용한다. 식물 유효 파장대역에서 형광 피크를 가지는 다수의 형광체를 하나의 패키지에 봉입하여 하나의 LED 광원에서 식물 유효 파장대역을 모두 발광할 수 있도록 한다. 패키지 내 형광체의 봉입량 및 봉입 순서를 변경하여 유효 파장대역 별 비율을 조절한다.Blue LED with a high efficiency wavelength band is used as a fluorescent pump LED. Multiple phosphors with fluorescence peaks in the effective wavelength band for plants are enclosed in one package so that the entire effective wavelength band for plants can be emitted from a single LED light source. The ratio for each effective wavelength band is adjusted by changing the encapsulation amount and encapsulation order of the phosphor in the package.
Description
식물 재배 조명은 식물을 재배하기 위해 주로 식물원, 온실, 식물공장에서 사용되는 조명을 말한다. 식물은 광합성으로 얻은 에너지로 생장하므로, 빛이 부족할 경우 작물의 생육과 발달이 저해되며 이에 따른 수량과 품질이 감소한다. 식물의 정상적 생장을 유지하고 작물의 생산량 및 품질을 유지 또는 향상시키기 위한 목적으로 조명을 비추어주는 방식으로 사용된다.Plant cultivation lighting refers to lighting mainly used in botanical gardens, greenhouses, and plant factories to grow plants. Plants grow with energy obtained through photosynthesis, so if there is a lack of light, the growth and development of crops is inhibited, resulting in a decrease in quantity and quality. It is used to provide lighting for the purpose of maintaining the normal growth of plants and maintaining or improving the production and quality of crops.
식물은 스펙트럼에 민감하게 반응하여 생장 및 발달을 조절하므로, 동일한 양의 빛이더라도 스펙트럼 구성이 달라짐에 따라 형태와 생산량이 크게 달라지는 것이 알려져 있다. Since plants respond sensitively to the spectrum and regulate their growth and development, it is known that even with the same amount of light, the form and production volume vary greatly as the spectral composition changes.
식물 재배 조명은 햇빛을 보충 또는 대체할 수준의 강한 조명이어야 하므로 이에 수반되는 설비 비용과 전기 비용이 가장 중요한 문제로 제기되고 있다. 이를 해결하기 위하여는 조명의 비용을 낮추거나, 조명의 전기적 효율을 높이거나, 식물 재배 효율을 높이는 접근 방법이 있다.Plant cultivation lighting must be strong enough to supplement or replace sunlight, so the equipment and electricity costs associated with it are raised as the most important issues. To solve this problem, there are approaches to lower the cost of lighting, increase the electrical efficiency of lighting, or increase plant cultivation efficiency.
식물에 유효한 파장을 만들기 위한 목적으로 식물이 감지하는 것으로 알려진 전용 파장대역(660nm, 450nm, 730nm 등) 의 LED 광원이 일반적으로 사용되고 있으나, 이러한 파장대역의 LED는 일반적인 조명용 광원에 사용되는 파장대역의 LED에 비하여 생산 및 기술개발의 수요가 많지 않아 현저히 높은 가격과 낮은 효율을 가지는 문제가 있다. 또한 서로 다른 전기적 특성을 가진 여러 LED를 조합하여 회로를 구성해야 하므로 설계 및 생산 비용이 상승한다. 여러 이 때문에 식물 재배 조명의 설비 및 에너지 비용이 더욱 상승하는 문제가 발생한다.For the purpose of creating effective wavelengths for plants, LED light sources with dedicated wavelength bands (660nm, 450nm, 730nm, etc.) known to be detected by plants are generally used, but LEDs in these wavelength bands are in the wavelength band used in general lighting light sources. Compared to LED, there is not much demand for production and technology development, so there is a problem of significantly higher price and lower efficiency. Additionally, design and production costs increase because a circuit must be constructed by combining multiple LEDs with different electrical characteristics. For several reasons, the equipment and energy costs of plant cultivation lighting are further increased.
상대적으로 저렴하고 효율이 높은 일반 조명용 파장대역의 LED를 사용하여 비용을 감소시키고 효율을 상승시키되, 패키징 단계에서 다수의 형광체를 사용하여 하나의 LED에서 식물 재배 조명에 유효한 파장 대역을 발광하도록 구성하는 것이 발명의 목적이다.Relatively inexpensive and highly efficient LEDs in the general lighting wavelength range are used to reduce costs and increase efficiency, but at the packaging stage, multiple phosphors are used to configure a single LED to emit a wavelength band effective for plant cultivation lighting. This is the purpose of the invention.
효율이 높은 파장대역의 청색 LED를 형광 펌프 LED로 사용한다. 식물 유효 파장대역에서 형광 피크를 가지는 다수의 형광체를 하나의 패키지에 봉입하여 하나의 LED 광원에서 식물 유효 파장대역을 모두 발광할 수 있도록 한다. 패키지 내 형광체의 봉입량 및 봉입 순서를 변경하여 유효 파장대역 별 비율을 조절한다.Blue LED with a high efficiency wavelength band is used as a fluorescent pump LED. Multiple phosphors with fluorescence peaks in the effective wavelength band for plants are enclosed in one package so that the entire effective wavelength band for plants can be emitted from a single LED light source. The ratio for each effective wavelength band is adjusted by changing the encapsulation amount and encapsulation order of the phosphor in the package.
효율이 높은 광원을 이용하므로 광원의 효율이 증가한다. 식물 유효 파장대역을 모두 조사할 수 있으며 그 비율을 조절할 수 있으므로 식물 재배에 있어 기능적 완결성을 가지며 식물 재배 효율이 높다. 식물 재배 조명용으로 널리 쓰이는 B+Y 형광 백색 LED의 생산 설비를 그대로 사용하므로 생산비용이 증가하지 않는다. 하나의 LED 광원을 사용하므로 회로 설계 및 생산 비용이 감소한다.Since a highly efficient light source is used, the efficiency of the light source increases. All effective plant wavelength bands can be irradiated and the ratio can be adjusted, so it has functional completeness in plant cultivation and has high plant cultivation efficiency. Production costs do not increase because the production equipment for B+Y fluorescent white LEDs, which are widely used for plant cultivation lighting, is used. Using a single LED light source reduces circuit design and production costs.
도 1은 형광체에 의한 발광파장대역의 변경 범위를 보여주는 그래프이다.Figure 1 is a graph showing the range of change in the emission wavelength band due to the phosphor.
상대적으로 저렴하고 효율이 높은 일반 조명용 파장대역의 LED를 사용하여 비용을 감소시키고 효율을 상승시키되, 패키징 단계에서 다수의 형광체를 사용하여 하나의 LED에서 식물 재배 조명에 유효한 파장 대역을 발광하도록 구성하는 것이 발명의 목적이다.Relatively inexpensive and highly efficient LEDs in the general lighting wavelength range are used to reduce costs and increase efficiency, but at the packaging stage, multiple phosphors are used to configure a single LED to emit a wavelength band effective for plant cultivation lighting. This is the purpose of the invention.
효율이 높은 파장대역의 청색 LED를 형광 펌프 LED로 사용한다. 식물 유효 파장대역에서 형광 피크를 가지는 다수의 형광체를 하나의 패키지에 봉입하여 하나의 LED 광원에서 식물 유효 파장대역을 모두 발광할 수 있도록 한다. 패키지 내 형광체의 봉입량 및 봉입 순서를 변경하여 유효 파장대역 별 비율을 조절한다.Blue LED with a high efficiency wavelength band is used as a fluorescent pump LED. Multiple phosphors with fluorescence peaks in the effective wavelength band for plants are enclosed in one package so that the entire effective wavelength band for plants can be emitted from a single LED light source. The ratio for each effective wavelength band is adjusted by changing the encapsulation amount and encapsulation order of the phosphor in the package.
Claims (3)
A method of enclosing multiple phosphors with fluorescent wavelengths in the effective wavelength band for plant cultivation in one LED package to emit light in all effective wavelength bands for plant cultivation from one LED.
상기 다수의 형광체의 비율을 조절하는 단계를 더 포함하는 식물 재배를 위한 유효 파장대역을 하나의 LED에서 모두 발광하는 방법.
According to paragraph 1,
A method of emitting light in all effective wavelength bands for plant cultivation from one LED, further comprising the step of adjusting the ratio of the plurality of phosphors.
상기 다수의 형광체를 상기 LED 패키지에 봉입하는 순서를 변경하는 단계를 더 포함하는 식물 재배를 위한 유효 파장대역을 하나의 LED에서 모두 발광하는 방법.
According to paragraph 2,
A method of emitting light in all effective wavelength bands for plant cultivation from one LED, further comprising changing the order of encapsulating the plurality of phosphors in the LED package.
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