JP2013039035A - Apparatus for accelerating growth of plant such as fruit and vegetable - Google Patents
Apparatus for accelerating growth of plant such as fruit and vegetable Download PDFInfo
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- JP2013039035A JP2013039035A JP2009282314A JP2009282314A JP2013039035A JP 2013039035 A JP2013039035 A JP 2013039035A JP 2009282314 A JP2009282314 A JP 2009282314A JP 2009282314 A JP2009282314 A JP 2009282314A JP 2013039035 A JP2013039035 A JP 2013039035A
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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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- 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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/249—Lighting means
Abstract
Description
本発明は、果物や野菜等の植物に対して、半値幅１０ｎｍ以下の超狭帯域光を照射し、植物伸長を促進するための技術に関するものである。 The present invention relates to a technique for irradiating plants such as fruits and vegetables with ultra-narrow band light having a half width of 10 nm or less to promote plant elongation.
従来からＬＥＤ光源が、植物の育成を助成する作用があることは知られている。近年、植物の育成を促進しようとする先行文献がいくつか見られる。
例えば、植物を室内等の日光の照射が届かない場所で育成させるための人工光の照射制御方法であって、多数のＬＥＤを並設させた人工光の照射手段と、照射手段を制御する制御手段とを用いるものが知られている。これは、制御手段によって人工光の照射時間と照射光量と照射波長を制御するものである。また、照射手段により照射する人工光を反射板で反射させて照射角度を制御する植物育成のための人工光の照射制御方法が知られている（例えば、特許文献１を参照。）。
Conventionally, it has been known that an LED light source has an effect of assisting plant growth. In recent years, there are several prior literatures that try to promote plant growth.
For example, an artificial light irradiation control method for growing a plant in a place where sunlight irradiation does not reach, such as indoors, and an artificial light irradiation means in which a large number of LEDs are arranged in parallel, and a control for controlling the irradiation means Those using means are known. This is to control the irradiation time, irradiation light amount and irradiation wavelength of the artificial light by the control means. In addition, an artificial light irradiation control method for plant growth is known in which artificial light irradiated by the irradiation means is reflected by a reflector to control the irradiation angle (see, for example, Patent Document 1).
また、光合成作用に効果のある赤色発光ダイオードと青色発光ダイオードとを比率良く混合した混合光源部を設けて、植物による吸収率をあげ、植物の育成を促す植物育成装置を提供するＬＥＤ光源による植物育成装置が知られている（例えば、特許文献２を参照。）。
また、汎用の電球ソケットに装着して使用できると共に美容や植物育成、植物栽培等の特定の用途に用いることができる電球型光照射装置が知られている（例えば、特許文献３を参照。）。
Also, a plant with an LED light source that provides a plant growth device that provides a mixed light source part in which red light emitting diodes and blue light emitting diodes that are effective in photosynthesis are mixed in a high proportion, increases the absorption rate by the plants, and promotes plant growth A growing apparatus is known (see, for example, Patent Document 2).
Further, a light bulb-type light irradiation device that can be used by being mounted on a general-purpose light bulb socket and can be used for specific applications such as beauty, plant cultivation, plant cultivation, and the like is known (see, for example, Patent Document 3). .
上述の植物育成装置や電球型光照射装置は、通常の発光ダイオード、特に青色発光ダイオードを用いて、植物の育成を助成するものであった。
本発明者は、通常の発光ダイオード（半値幅２０〜５０ナノメートル）ではなく、半値幅１０ｎｍ以下の可視光〜近赤外光の波長域（４００〜２５００ｎｍ）の超狭帯域の光を植物に照射した場合、植物の発芽・成長が著しくよいことの知見を得た。
本発明は、植物の育成を促進するのに有用な植物成長促進装置を提供することを目的とする。
The plant growing device and the light bulb-type light irradiation device described above use an ordinary light emitting diode, particularly a blue light emitting diode, to support plant growth.
The present inventor is not an ordinary light emitting diode (half-width 20 to 50 nanometers), but uses ultra-narrow band light in the visible light to near-infrared wavelength range (400 to 2500 nm) with a half-width of 10 nm or less to plants. It was found that when irradiated, the germination and growth of the plant was remarkably good.
An object of the present invention is to provide a plant growth promoting device useful for promoting plant growth.
上述した如く、本発明者は、半値幅が１０ｎｍ 以下の超狭帯域光を拡散させて、植物の照射させた場合に、植物の育成を著しく促進できることの知見を得て、本発明を完成させたものである。 As described above, the present inventor completed the present invention by obtaining the knowledge that when a plant is irradiated by diffusing ultra-narrow band light having a half width of 10 nm or less, the growth of the plant can be significantly promoted. It is a thing.
すなわち、本発明の植物成長促進装置は、光の照射が不十分な場所で、植物育成を促進させるための果物・野菜等の植物成長促進装置であって、ピーク波長域が４００〜２５００ｎｍであって、半値幅１０ｎｍ以下の可視光〜近赤外光の超狭帯域光照射手段と、超狭帯域光照射手段から照射された光を拡散させ照射面積を増大させ得る拡散手段と、を備えた構成とされる。 That is, the plant growth promoting device of the present invention is a plant growth promoting device for fruits and vegetables for promoting plant growth in a place where light irradiation is insufficient, and has a peak wavelength range of 400 to 2500 nm. And an ultra-narrow band light irradiating means of visible light to near-infrared light having a half-value width of 10 nm or less, and a diffusing means capable of diffusing the light emitted from the ultra-narrow band light irradiating means to increase the irradiation area. It is supposed to be configured.
通常の発光ダイオード（半値幅２０〜５０ナノメートル）を植物に照射させた場合と比較して、半値幅が１０ｎｍ 以下の超狭帯域光を拡散させて、植物の照射させることにより、植物の発芽・成長を著しく促進できる。 Germination of plants by irradiating plants by diffusing ultra-narrow band light having a half-value width of 10 nm or less as compared with the case of irradiating plants with normal light emitting diodes (half width 20-50 nanometers)・ Growth can be significantly promoted.
植物に照射する光は、ピーク波長域が４００〜２５００ｎｍであって、半値幅１０ｎｍ以下の可視光〜近赤外光の超狭帯域光とする。超狭帯域光とすることで、波長毎の効果を発揮できるようになるため、可視光では、赤、橙色、黄色、緑色、青色、藍色、紫色など様々な色の光が活用できる。 The light irradiating the plant has a peak wavelength range of 400 to 2500 nm, and a very narrow band light of visible light to near infrared light having a half-value width of 10 nm or less. Since the effect of each wavelength can be exhibited by using ultra-narrow band light, various colors such as red, orange, yellow, green, blue, indigo, and purple can be used as visible light.
すなわち、半値幅が１０ｎｍ 以下の超狭帯域光を植物に照射することで、同じ光量の近似する波長域の光よりも強い作用を得られることができる。つまり、選択した超狭帯域の光本来の特質（効能）をそのまま植物の育成促進に活用することができる。半値幅が１０ｎｍ 以下のエネルギーの強いレーザー光のような光を植物に照射するのではなく、エネルギーが弱い半値幅が１０ｎｍ 以下の超狭帯域光を照射することにより、波長に由来する効果・効能が顕著に現れ、植物の育成促進を図るのである。 That is, by irradiating a plant with ultra-narrow band light having a half-value width of 10 nm or less, it is possible to obtain a stronger action than light in the wavelength region with which the same light quantity is approximated. That is, the original characteristic (efficacy) of light in the selected ultra-narrow band can be used as it is for the promotion of plant growth. Rather than irradiating the plant with light such as a strong laser beam with a half-value width of 10 nm or less, by irradiating ultra-narrow band light with a low half-value width of 10 nm or less, the effects and effects derived from the wavelength Appears prominently and promotes the growth of plants.
ここで、超狭帯域光照射手段は、４００〜２５００ｎｍの範囲のＬＥＤ光源と、このＬＥＤ光源から出射された光の波長帯域を絞るバンドバスフィルターとから構成される。仮に将来、半値幅が１０ｎｍ 以下の超狭帯域光を照射できるＬＥＤ光源が開発された場合でも、上記の超狭帯域光照射手段の構成、すなわち、ＬＥＤ光源とバンドバスフィルターの構成によって、さらに、より一層、半値幅の狭い超狭帯域光を作り出すことが可能となる。 Here, the ultra-narrow band light irradiation means includes an LED light source in a range of 400 to 2500 nm and a band-pass filter that narrows the wavelength band of light emitted from the LED light source. Even if an LED light source capable of irradiating ultra-narrow band light with a half-value width of 10 nm or less is developed in the future, the configuration of the ultra-narrow band light irradiation means, that is, the configuration of the LED light source and the band-pass filter, Further, it becomes possible to produce ultra-narrow band light having a narrow half-value width.
また、拡散手段は、拡散レンズ、シリンドリカルレンズ、拡散板の少なくとも１つから構成される。なお、光量の減衰を最小限に抑える観点から拡散レンズが好適に用いることができる。 The diffusing unit is composed of at least one of a diffusing lens, a cylindrical lens, and a diffusing plate. A diffusion lens can be preferably used from the viewpoint of minimizing the attenuation of the light amount.
また、シリンドリカルレンズを拡散手段に用いる場合は、２枚のシリンドリカルレンズを各々のレンズが直交する方向に配置して使用する。一般に、シリンドリカルレンズは、一方向のみの倍率調整が必要な用途に使われ、一方向に結像するだけであるが球面レンズと同じ結像公式が成立するため、１枚目のシリンドリカルレンズでビームを一方向についてコリメートし、それから２枚目のシリンドリカルレンズでそれと直交する方向についてもコリメートして使用する。なお、シリンドリカルレンズを拡散手段に用いて、さらに拡散レンズ、拡散板などを併用してもかまわない。 Further, when using a cylindrical lens for the diffusing means, two cylindrical lenses are arranged and used in a direction in which each lens is orthogonal. In general, a cylindrical lens is used for an application that requires magnification adjustment in only one direction, and only forms an image in one direction. However, the same imaging formula as a spherical lens is established, and the beam is formed by the first cylindrical lens. Is collimated in one direction, and then collimated in the direction orthogonal to the second cylindrical lens. Note that a cylindrical lens may be used as the diffusing means, and a diffusing lens, a diffusing plate, or the like may be used in combination.
ここで、上記の超狭帯域光照射手段から照射される光の照射時間と照射光量を制御する制御手段を更に備えることが好ましい態様である。
植物の成長リズムに合わせて、照射時間と照射光量を制御できるからである。
Here, it is a preferable aspect to further include a control unit for controlling the irradiation time and the irradiation light amount of the light irradiated from the ultra narrow band light irradiation unit.
This is because the irradiation time and the amount of irradiation light can be controlled in accordance with the growth rhythm of the plant.
また、本発明の植物成長促進装置において、超狭帯域光照射手段の出射光方向が上向き〜斜め上向きになるように配設され、出射光の先に、凸面鏡が設置され、該凸面鏡の反射により広範囲の領域を照射できることが好ましい態様である。
凸面鏡が設置され、該凸面鏡の反射により広範囲の領域を照射できることにより、超狭帯域光を対象植物の全体に偏り無く照射させることが可能であり、植物の育成をより促進できることになる。
Further, in the plant growth promoting device of the present invention, the ultra-narrow band light irradiating means is disposed so that the outgoing light direction is upward to obliquely upward, and a convex mirror is installed at the tip of the outgoing light, and reflection by the convex mirror is performed. It is a preferred embodiment that a wide area can be irradiated.
By installing a convex mirror and irradiating a wide area by reflection of the convex mirror, it is possible to irradiate the entire target plant with no bias, and it is possible to further promote plant growth.
また、本発明の植物成長促進装置において、植物の発芽時点は、半値幅１０ｎｍ以下の青色波長域を照射し、植物の発芽した後、成長・開花時点は、半値幅１０ｎｍ以下の赤色波長域を照射することがより好ましい。 Moreover, in the plant growth promotion apparatus of this invention, after the germination time of a plant irradiates a blue wavelength range with a half width of 10 nm or less, and after germination of a plant, the growth / flowering time has a red wavelength range with a half width of 10 nm or less. Irradiation is more preferable.
本発明の植物成長促進装置は、ピーク波長域が４００〜２５００ｎｍであって、半値幅１０ｎｍ以下の可視光〜近赤外光の超狭帯域光を植物に照射することにより、植物の発芽・成長が著しく促進できるといった効果を有する。 The plant growth promoting device of the present invention has a peak wavelength range of 400 to 2500 nm, and irradiates the plant with visible light to near-infrared light having a half-value width of 10 nm or less to germinate and grow plants. Has the effect that it can be remarkably promoted.
以下、本発明の実施形態について、図面を参照しながら詳細に説明していく。なお、本発明の範囲は、以下の実施例や図示例に限定されるものではなく、幾多の変更及び変形が可能である。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. The scope of the present invention is not limited to the following examples and illustrated examples, and many changes and modifications can be made.
図４は、本発明の植物成長促進装置２の構成図の一例を示している。
本発明の植物成長促進装置２のＬＥＤ光源７は、下表１に示すピーク波長と半値幅特性を有する３つのＬＥＤ光源７（赤色ＬＥＤ光源，青色ＬＥＤ光源，緑色ＬＥＤ光源のいずれか）と、図４に示すように、ＬＥＤ光源７から出射された各々の光の波長帯域を絞るバンドバスフィルター１３と、バンドバスフィルター１３を透過した半値幅が１０ｎｍの超狭帯域の光を拡散する拡散レンズ１２から構成されている。
赤色ＬＥＤ光源，青色ＬＥＤ光源，緑色ＬＥＤ光源以外の色のＬＥＤ光源を使用してもかまわない。
FIG. 4 shows an example of a configuration diagram of the plant growth promoting device 2 of the present invention.
The LED light source 7 of the plant growth promoting device 2 of the present invention includes three LED light sources 7 (any one of a red LED light source, a blue LED light source, and a green LED light source) having the peak wavelength and half-value width characteristics shown in Table 1 below. As shown in FIG. 4, a bandpass filter 13 that narrows the wavelength band of each light emitted from the LED light source 7, and a diffusion lens that diffuses light in an ultra-narrow band having a half width of 10 nm that has passed through the bandpass filter 13. 12 is comprised.
You may use LED light sources of colors other than a red LED light source, a blue LED light source, and a green LED light source.
なお、下記表１中の値は、メーカーのカタログ値であり、実際に分光器で実測して確認したところ、各ＬＥＤのピーク波長は、１１〜１４ｎｍの範囲で中心波長がシフトしており、必ずしも表１中の数値とは一致していない。 In addition, the value in the following Table 1 is a manufacturer's catalog value, and when actually measured and confirmed with a spectroscope, the peak wavelength of each LED has a center wavelength shifted in the range of 11 to 14 nm, It does not necessarily match the values in Table 1.
ここで、ＬＥＤ光源７としては、例えば、株式会社イマック製の平行光ＬＥＤ光源（型番：ＩＢＦ−ＬＳ）を用いることができる。ＬＥＤ光源７から照射される光は、超遠投な指向性のある光である。光径としては略５ｃｍであり、この光を拡散レンズ１２で拡散させている。 Here, as the LED light source 7, for example, a parallel LED light source (model number: IBF-LS) manufactured by Imac Co., Ltd. can be used. The light emitted from the LED light source 7 is light with directivity that is a super long throw. The light diameter is approximately 5 cm, and this light is diffused by the diffusion lens 12.
図１〜図３に、本発明の植物成長促進装置の使用イメージを示す。
図１に示すように、植物４の上方の位置に支柱８があり、植物成長促進装置１のユニットが適当な間隔をあけて吊り下げられている。植物成長促進装置１から照射される半値幅１０ｎｍの超狭帯域の光５は、地面の植物４全体に偏りなく照射され、植物の成長を助けることになる。
The use image of the plant growth promotion apparatus of this invention is shown in FIGS.
As shown in FIG. 1, the support | pillar 8 exists in the upper position of the plant 4, and the unit of the plant growth promotion apparatus 1 is suspended with a suitable space | interval. The ultra-narrow band light 5 having a half-width of 10 nm irradiated from the plant growth promoting device 1 is irradiated evenly to the entire plant 4 on the ground, and helps the growth of the plant.
また図２に示すように、植物４の近傍の地面に立てたポール（支柱）３（高さ３０〜１００ｃｍ）の上に、真上方向に照射する植物成長促進装置１のユニットが設けられている。植物成長促進装置１から照射される半値幅１０ｎｍの超狭帯域の光は、天井６に取り付けられた半球状の凸面鏡９に反射され、支柱の周囲の様々な方向に進み、近傍の植物の全体に偏りなく照射させ、植物の成長を助ける。 Moreover, as shown in FIG. 2, the unit of the plant growth promotion apparatus 1 which irradiates directly above is provided on the pole (support | pillar) 3 (height 30-100cm) standing on the ground near the plant 4 is provided. Yes. The ultra-narrow band light with a half-width of 10 nm emitted from the plant growth promoting device 1 is reflected by a hemispherical convex mirror 9 attached to the ceiling 6 and travels in various directions around the column, and the whole neighboring plant To help the plant grow.
また図３に示すように、植物４の近傍の地面に立てたポール（支柱）３（高さ３０〜１００ｃｍ）の上に、斜め上方向に照射する植物成長促進装置１のユニットが設けられている。植物成長促進装置１から照射される半値幅１０ｎｍの超狭帯域の光は、凸面鏡２に反射され、支柱の周囲の様々な方向に進み、近傍の植物の全体に偏りなく照射させ、植物の成長を助ける。 Moreover, as shown in FIG. 3, the unit of the plant growth promotion apparatus 1 which irradiates diagonally upward is provided on the pole (support | pillar) 3 (height 30-100 cm) standing on the ground in the vicinity of the plant 4. Yes. The ultra-narrow band light with a half-width of 10 nm emitted from the plant growth promoting device 1 is reflected by the convex mirror 2, travels in various directions around the support column, and irradiates the entire neighboring plant without any bias, thereby growing the plant. Help.
本発明は、果物や野菜等の植物の成長促進装置として有用である。 The present invention is useful as an apparatus for promoting the growth of plants such as fruits and vegetables.
１，２ 植物成長促進装置
３ ポール（支柱）
４ 植物
５ 超狭帯域光
６ 凸面鏡
７ ＬＥＤ光源
８ 支柱
９ 半球状の凸面鏡
１２ 拡散レンズ
１３ バンドパスフィルター
１４ 信号・電源ケーブル
１５ 筐体フレーム
1, 2 Plant growth promotion device 3 Pole
4 Plant 5 Ultra-Narrow Band Light 6 Convex Mirror 7 LED Light Source 8 Strut 9 Hemispherical Convex Mirror 12 Diffuse Lens 13 Band Pass Filter 14 Signal / Power Cable 15 Housing Frame
Claims (4)
An apparatus for promoting plant growth of fruits, vegetables, etc. for promoting plant growth, wherein the peak wavelength range is 400-2500 nm and the half-width is 10 nm or less. And a diffusing unit capable of diffusing the light irradiated from the ultra-narrow band light irradiating unit to increase the irradiation area.
The plant growth promotion apparatus according to claim 1, further comprising a control unit that controls an irradiation time and an irradiation light amount of light irradiated from the ultra-narrow band light irradiation unit.
The ultra-narrow-band light irradiating means is arranged so that the outgoing light direction is upward to obliquely upward, and a convex mirror is installed in front of the outgoing light, and a wide area can be irradiated by reflection of the convex mirror. The plant growth promotion apparatus of Claim 1 or 2.
The plant germination time is irradiated with a blue wavelength region having a half-value width of 10 nm or less, and after the plant has germinated, the growth / flowering time is irradiated with a red wavelength region having a half-value width of 10 nm or less. The plant growth promoting apparatus as described.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009282314A JP2013039035A (en) | 2009-12-11 | 2009-12-11 | Apparatus for accelerating growth of plant such as fruit and vegetable |
| PCT/JP2010/007244 WO2011070796A1 (en) | 2009-12-11 | 2010-12-13 | Device and method for plant growth acceleration of fruits, vegetables and the like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009282314A JP2013039035A (en) | 2009-12-11 | 2009-12-11 | Apparatus for accelerating growth of plant such as fruit and vegetable |
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| Publication Number | Publication Date |
|---|---|
| JP2013039035A true JP2013039035A (en) | 2013-02-28 |
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| JP2009282314A Pending JP2013039035A (en) | 2009-12-11 | 2009-12-11 | Apparatus for accelerating growth of plant such as fruit and vegetable |
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| Country | Link |
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| JP (1) | JP2013039035A (en) |
| WO (1) | WO2011070796A1 (en) |
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| CN104977696A (en) * | 2014-04-03 | 2015-10-14 | 大立光电股份有限公司 | Photographing optical lens assembly, image capturing device and mobile terminal |
| CN107404852A (en) * | 2015-01-09 | 2017-11-28 | T·R·C·博伊德 | Illumination for gardening and other application |
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| US11102937B2 (en) * | 2016-04-22 | 2021-08-31 | Quarkstar Llc | Plant growth lighting systems |
| JP2022518259A (en) * | 2018-12-12 | 2022-03-14 | 福建省中科生物股▲ふん▼有限公司 | Light irradiation method that promotes plant growth, plant lamps and their applications |
| WO2022221069A1 (en) * | 2021-04-12 | 2022-10-20 | Current Lighting Solutions, Llc | Top lighting and interlighting luminaire assembly with movable light source |
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| JP2013252413A (en) * | 2011-12-13 | 2013-12-19 | Mignon Belle:Kk | Flat panel narrow band monochromatic light emitting device and shell type led narrow band monochromatic light emitting device |
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| JP2001258389A (en) * | 2000-03-17 | 2001-09-25 | Mitsubishi Chemicals Corp | Method for cultivating plant |
| JP4886181B2 (en) * | 2004-09-03 | 2012-02-29 | 財団法人電力中央研究所 | Method for promoting growth of short-day plants and neutral plants using short-time supplementary light |
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2009
- 2009-12-11 JP JP2009282314A patent/JP2013039035A/en active Pending
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2010
- 2010-12-13 WO PCT/JP2010/007244 patent/WO2011070796A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104977696A (en) * | 2014-04-03 | 2015-10-14 | 大立光电股份有限公司 | Photographing optical lens assembly, image capturing device and mobile terminal |
| CN107404852A (en) * | 2015-01-09 | 2017-11-28 | T·R·C·博伊德 | Illumination for gardening and other application |
| US11102937B2 (en) * | 2016-04-22 | 2021-08-31 | Quarkstar Llc | Plant growth lighting systems |
| US11873974B2 (en) | 2016-04-22 | 2024-01-16 | Quarkstar Llc | Plant growth lighting systems |
| JP2022518259A (en) * | 2018-12-12 | 2022-03-14 | 福建省中科生物股▲ふん▼有限公司 | Light irradiation method that promotes plant growth, plant lamps and their applications |
| JP2020156432A (en) * | 2019-03-27 | 2020-10-01 | パナソニックＩｐマネジメント株式会社 | Light control system and illumination system |
| WO2022221069A1 (en) * | 2021-04-12 | 2022-10-20 | Current Lighting Solutions, Llc | Top lighting and interlighting luminaire assembly with movable light source |
| US11835209B2 (en) | 2021-04-12 | 2023-12-05 | Current Lighting Solutions, Llc | Top lighting and interlighting luminaire assembly with movable light source |
| JP7469678B2 (en) | 2022-01-20 | 2024-04-17 | 日亜化学工業株式会社 | Optical member, composite optical member, and lighting device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011070796A1 (en) | 2011-06-16 |
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