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LED Grow Lights fill light into the most important and complete growth of plants with factory sealed clean room use must be fully grown with other light sources because he did not like the eastern Taipei Pacific fresh plant factory he was in intensive community basement fully shine sunlight complete growth with LED Grow light illumination is very important to be 10,000 lumens or more to make vegetable is good but the special case of long Anoectochilus minimum illumination requirements , is only 3,000 to 5,000 lumens that what kind of plant is not the same degree of light needed on the traditions of the past half- full sun sunshine only minutes 1/3 of the sun does not allow direct sunlight in summer these types of plants is half full sun in winter sunshine is 1/3 of the light is golden thread even category

LED grow lights have three data output is our most important red blue illumination which in my experience is the most important illumination light intensity is the hardest seek Taiwan 's LED Grow Lights in illumination technology there are a few already very successful with more than 10,000 lumens light intensity less than long thin leggy plants will grow under the eaves like the sun shine vegetables thin and is light green red light blue , but it is insufficient light intensity can not be planted out to sell vegetables

Illumination light meter can be used to measure the LED Plant Grow Lights shining lights adjust the distance between the surface and the plants to control the plant by the light intensity values ​​so LED Grow Light and plant can adjust the distance between the experience of the best kinds of vegetables on a summer when LED Grow light board from the top 3 cm vegetables because vegetables in a dark night a night can grow 2.5 cm and 3 cm winter day adjusted upward illumination distance of 10 cm around 10000

Planted with sweet basil (Italian basil) leaves close to 3 cm irradiation 30W LED grow light irradiated 16 hours a day during the day and turn off the lights in the dark 22:00 8 hours a day every day, need to adjust the length of 2.5 cm increase in light board

Hydroponic Light meter B17 ---> 1000 元 Unit is the lumen sun just 108,000 lumens Plants single leaf chlorophyll maximum effect is 32,400 lumens light intensity Plant factory one day shine 16 hours 16,200 lumens very adequate

Red Blu-ray is the amount of data testing is very expensive, but there is a simple way you can see if there is a light blue disc shines red reflective ways of looking at the spectrum of LED grow lights can be seen in the sun to see the colorful spectrum

10000 lumens LED Grow Lights D39 => 3350 元

Disc shines light reflective ways of looking at the spectrum of LED Grow Lights

Taiwan is the world's brightest luminance brightness of the brightest lights of LED Grow Lights face 0 cm to 15 cm distance within the 27000 ~ 8500 lux brightness like the winter sun is very suitable for the growth of plant any vegetables and fruits vegetables herbs flowers can be very success is a magic weapon plant Factory 0 cm = 32400 lux 3 cm = 15200 lux 5 cm = 13200 lux 10 cm = 7360 lux 15 cm = 4200 lux 20 cm = 2910 lux Width 29.7 cm Length 50.5 cm Thickness 0.1 cm 30W Voltage 100V ~ 240V can be used frequency Hz 50/60 Daily for 10 to 16 hours Units of lumens brightness of the brightest direct summer sun at noon is 108000 lux lumens when Photosynthesis lumens maximum value is 32400 lux Just half of the winter crops sun 16200 lux lumens of light provided by the sun are short 10,000 lumens LED Grow Lights are lower but although the photograph of 16 hours of light than summer crops according to more than a very good president so plants

CD refraction can see our 10000 lumens 30W LED plant growth light spectrum looks like white though in fact he clearly red blue red light appears blue to make plants grow taller back of the leaves of plants photosynthetic stomatal opening lines action LED Grow Lights addition to a red light blue light outside the most important thing is the amount of light to be enough illumination unit is called Lux Lumen never before documented clearly mention this important data illumination weakest plants are winter plants Anoectochilus its illumination only 3000 ~ 5000Lux that use LED grow lights to grow vegetables illumination must be higher than 3000Lux most appropriate adjusting the lamp from the top surface and the vegetables will be able to control light intensity Summer crops from the lamp surface 3 cm long day adjusted upwards best Winter crops from the lamp surface 15 cm long day adjusted upwards best

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Before using LED Grow Lights are as follows

LED Grow lights are the backbone of growing vegetables indoors no LED lights do not have this science so let houseplants plant vegetables successfully on LED Grow Lights must have deeper understanding of the common red LED lights
The four blue green white orange, yellow, white containing seven colors of indigo and violet colorful LED light is able to separate a light-emitting We need a certain kind of light on plant growth contributes to adopt this light color and then with the proportion of light
For example
Red blue 20% to 80%
Red Blue 25% 75%
Red 75% Blue 20% Green 5%
Blue 50% White 50%
White 100%
Blue 100%
Red 100%
These proportions are researchers doing research on the use of a certain proportion of plants you can buy a variety of colors we supply solder LED lamp beads themselves do grow in the lamp housing research we sell this part is to promote the cultivation of their own plant factory find a the most suitable plant growth light color of a proportion of 2 color configuration disk 3 can also design energy saving mode

Our lamp shell frame size 31 cm X 31 cm inside the lamp beads in a row 15 a total of 15 rows of 15 X 15 = 225

Red 80% = 180 20% = blue lamp beads lamp beads 45

Red 75% = 169 25% = blue lamp beads lamp beads 56 white 50% = 112 50% = blue lamp beads lamp beads lamp beads 113 are arranged in order to best use evenly spaced evenly but also to saving arrangement can allow plants from small and large segments lit LED lights

The wavelength of light is an important factor affecting plant growth following table shows the wavelength of the light and color

  400 ~ 520nm (blue) -> leaf flower fruit grow faster
      520 ~ 610nm (green) ->
      610 ~ 720nm (red) -> Drive Long Tall plant grow light for plants fill light, generally from the blade height of about 30 cm to 50 cm measured illuminance measurements available

Yourself DIY soldering LED Grow Lights

1 first designed lamp beads color scheme will be a total of 225 positions a small number of lamp beads for color notes number will be fewer soldering lamp beads is easy for a quality check ( you can use cardboard the same size with the circuit board in the position of the lamp Burrows make a model )

2 LED on the circuit board are nine groups each consisting of 25 parallel tandem layout 9 X 25 = 225

3 feet of lamp beads long leg length of the foot for the positive short leg is negative ( right side view of a large lamp beads inside the small side is positive for the negative ) POWER wire red is positive black line is negative

4 in the circuit board at the beginning of the line marked on the + - pole marker light after a good solder beads + pole with power cable (POWER) red line + pole solder together

5 is designed to supply current into the circuit board from the red positive positive positive long legs into the lamp beads lamp beads lit LED lights too short legs negative out from re-entering the next long leg lamp beads lamp beads lit LED lights positive from negative short legs out after 25
   LED circuit board came to the end - a very marked on the series circuit loop into a group

6 alone can not give a lamp beads energized this will explode within our power cord POWER circuit board is designed with protective measures if the group is a separate lamp beads plus matching resistors are required to ensure that does not overload the burned lamp beads
   Alone can not supply the power cord POWER lamp beads lamp beads can cause damage to the test burn is needed if the test can be used single grain 1.5V battery test

7 the least number of first solder soldering lamp beads and then the second least number of soldering lamp beads lamp beads each and weld not more than 3 seconds at least after the first inspection lamp beads 1 number 2 position 3. Leg length position 4 feet with a light bead welding points can not be too connected
   Otherwise they will be separated by nearly shorted 5 . Lamp beads feet can not skew the contact with the foot next to a short circuit are correct because as bad to be repaired or re- solder the second least number of lamp beads and then check

8 Solder again fill up the rest of the job overall lamp beads lamp beads will lead to missing an entire row of lamp is not lit weld bead after the first examination 1 Position 2 Position 3 length of the foot . Feet with a light bead welding points can not be otherwise they will be spaced too close circuit 4 . lamp beads foot does not
   Can skew generated by the contact with the adjacent short feet are properly performing the job or to be repaired

9 Finally solder POWER power cord red + the + pole and the circuit board soldered together once again confirm plugs are properly inserted before power test 10 minutes after lighting a lamp beads and then check off all bright again

10 lamp beads using wire cutters to excess length of the foot upper cut tin solder seeking beautiful long legs also afraid that next time skew generated after a short foot touches the lamp beads burned

11 good clean soldering circuit board can not have any Xie Xie stay on top or prone to short circuit burned lamp beads with tin solder beads lamp beads cut foot wire cuttings , etc.

12 power once again test lamp beads checks he must pass before full brightness

13 . The circuit board assembly on the frame of the lamp envelope with a silicone adhesive wire fixed to the circuit board fixed and other pressing heavy silicone hardening fixed the next day and then check the circuit board cover clean and free of foreign material loaded on to complete

Original circuit board

Good soldering circuit boards lamp beads

Soldering Tool Set

LED light product specifications
Power W 15
Voltage AC 85 ~ 265 110V and 220V can be used
Frequency Hz 50/60
Daily for 10 to 16 hours life of 50,000 hours
Lumen 1350 LM
Weight 1.1 kg
LED Specification:
Power: 0.06
Size 5.0 X 8.7mm

The following information is from the open web content reproduced or retrieve data

LED Grow Light of Knowledge:
1、Plant light color temperature and lumen
     Plant light color temperature and lumen from the human eye can see, and plant photosynthesis light is not looking color temperature and lumen.

2、Impact on plant physiology spectral range
     280 ~ 315nm ––> Effects on morphology and physiological processes is minimal
     315 ~ 400nm ––>Chlorophyll absorbs little impact photoperiod effect, prevent stem elongation
     400 ~ 520nm（Blue）–>Chlorophyll and carotenoids absorbed the largest proportion, the greatest impact on photosynthesis
     520 ~ 610nm（Green）–>Pigment absorption rate is not high                                                                
     610 ~ 720nm（Red）–>Chlorophyll absorption rate, have a significant effect on photosynthesis and photoperiod effect
     720 ~ 1000nm ––>Absorption rate, stimulate cell elongation, impact of flowering and seed germination
         ＞1000nm ––>Converted into heat
　From the above data, the effects of different wavelengths of light for photosynthesis of plants is different, plant photosynthesis needs light, a wavelength of about 400 ~ 720nm.
    400 ~ 520nm (Blue) and light of 610 ~ 720nm (red) for the greatest contribution to photosynthesis.
    520 ~ 610nm (green) light is absorbed by the plant pigment ratio is low

    Blu-ray wavelengths is mainly to promote leaf stomata open underneath, the red part is to promote its photosynthesis.

3、According to the above principles, plant lights are made ​​of a combination of red and blue, all blue, all red in three forms, in order to provide red and blue wavelengths of light, covering the wavelength range required for photosynthesis. The visual effect, the combination of red and blue light plant was now pink. The white LED lights, the most common is the use of blue core, inspired yellow phosphors, which produce white complex visual effects. Energy distribution, the presence of two peaks at 445nm blue 550nm zone and the yellow-green region. The plant required 610 ~ 720nm red light, it is very lacking. This explains why, in white LED light, plant growth adversely.

4、Red and blue lights lamp chromatography proportion of plants generally between 5:1 to 10:1 appropriate, usually 7 to 9:1 proportion optional.
5、When the plants with a plant light fill light, usually from the height of the blade is about 0.3 to 0.5 meters.

6、xx Agricultural University experts through cloning techniques produced a number of holly seedlings grow according to their status in the light of different colors to find the most suitable for plant growth "nutrition light." Remember to see, in the purple light of holly seedlings, the maximum length, but leaves a small, shallow roots also, like a malnourished. Seedlings under only partial short yellow lights, leaf looks lifeless. In red, light blue mixed grow holly grow best, not only strong, but also very well-developed root system. According to reports, this light bulb red and blue bulbs are arranged in accordance with the ratio of 9:1. In addition holly seedlings, experts also use Phalaenopsis, Oncidium, strawberries, tomatoes were light test. The results proved that the red and blue 9:1 most favorable for plant growth.
       
        Because blue is conducive to the growth of plant leaves, and red flowering plants with beneficial results, so the number of red and blue lights bead configuration of the lamps can light the plants according to the user's specific production requirements. 
　　Influence of plant illumination light on plants four forms : light quality , photoperiod, light intensity and light amount , growth and yield of plants ( plant size , the number of flowers and other features ) in a major amount of received light accepted by day the impact of plant morphology ( height and plant type ) related primarily to light quality (mainly blue, red , ) . Photoperiod sensitive plants , flowering ( short-day and long-day plants ) is mainly affected by the duration of the effect of light or light cycle , and photoperiod -insensitive plants ( neutral ) most affected by the amount of light , photosynthesis is mainly affected by the amount of light and light strength. Photosynthesis occurs mainly in the visible spectrum , (400-700nm) and blue in the red light district of photosynthesis strongest light district , LED grow light according to the growth mechanism of plant photosynthesis choose light , LED light source, according to the scientific the RB carried blending ratio , essential for plant growth synthetic light , pure spectrum , spectrum concentrated in 440-450,650-660 . Compared with ordinary plant lights obvious advantages , general plant lamp radiates ultraviolet unwanted plant growth with infrared light , wasting a lot of energy, and LED grow lights with electroluminescent mechanism , under the same conditions of light intensity , LED plant grow lights for plant growth than ordinary light saving more than 80%. Lamp life of ordinary plants generally only 1000-5000 hours, and plant life LE lamp can reach 30000-50000 hours, long-lasting, energy-saving , high energy efficiency , does not produce light on plant growth invalid , is the true meaning of promote plant growth of professional lighting products !
　　
        Japanese electronics company engaged pot clear business at the show in April 2009 from 15 to 17, held in Tokyo, showing the acceptance of the growth of three species of different color LED lighting. The wavelength 630mm red LED, 430mm blue LED as well as the formation of a pink LED lighting latter half of the combination of red and blue LED same size seedlings for 3 weeks after irradiation, compared the situation of each plant to grow seedlings. The results show that the pink LED lighting help promote plant growth.

　　Qing said pot plant growth do not need all of the wavelengths of visible light, but only absorb specific wavelengths of light. For example, photosynthesis and flowering, chlorophyll absorption peak - 660nm near the red light to promote growth. While the formation of flower, 450nm blue light can be near to promote growth.
　　After using three different lighting seedlings comparison, with red LED lighting seedling seedling growth than the other two strains slowest overall minimum. Seedlings with blue LED lighting, leaves less overall elongated shape.
        The use of LED lighting pink seedlings, leaves larger, overall plant growth and balanced. However, different types of plant growth light wavelength region of influence may be somewhat different. Therefore, the future need to be included, such as agricultural test site, including the adjustment of exposure time experiments.

Another one

In addition to outside light photosynthesis, seed germination, stem growth, flowering, chlorophyll synthesis, transpiration, so the plant phototropism and changing patterns of light on the relevant. Usually light in three directions of light intensity, light week, light quality affect plant growth and development.

1. Luminosity
Light intensity is the intensity of light , usually in units of footcandles (footcandle, referred fc) or lux (l fc = 10.8 lux), with μ mol/s/m2 science units . Seasonal changes in light intensity with regional and sooner or later, rain or shine , and cloud cover changes . General sunny midday direct sunlight luminosity about 10,000 fc, the window in the room of about 100 ~ 500fc, as for general indoor environment 200fc has been regarded as a very high luminosity . Green luminosity because of the kind of demand is not the same , to be more than the amount of light is called positive plants, vegetables and fruit in general are like light ( Figure 2-10 ) . Like a rose , carnation , the temperature in the greenhouse , where the temperate northern hemisphere its flower production ( Figure 2-11 ) or growth rate ( Figure 2-12 ) is positively correlated with the intensity of the light . In November to March luminosity is very low, and sunshine hours are short ( Figure 2-11, 2-12 and Table 2-4 ) , plus a greenhouse light can penetrate up to 69% ( Figure 2-13 ) , plus shade structures greenhouse equipment , greenhouse luminosity within the general luminosity of only 50% outside it . Therefore, in the late fall to early spring between luminosity is often a limiting factor for the growth of greenhouse crops . Chrysanthemums in day and night temperatures are under 20 ℃, luminosity from 50 to 600 μ mol/s/m2, with the luminosity increases, shorter flowering time ( Figure 2-14 ) , and the short days before the beginning of two weeks of treatment encounter low light, serious delay flower buds. Geranium tests have the same trend ( Figure 2-15 ) . Therefore, in the case of breeding period when low light, artificial light to be seen as a cost-effective environmental control measures in temperate regions , but some plants like light , if in low light (50 μ mol/s/m2) birth again moved to bright light , and can not improve their photosynthetic rate ( Figure 2-16 ) . General leaves of plants in 3000f.c. Under luminosity , a single leaf photosynthesis has the highest rate, but in the whole plant leaves shade each other , the luminosity going to 10000fc (108000lux), photosynthesis will reach saturation ( Figure 2 -17 ) . Therefore, the entire facility crop row spacing , the media and the whole plant nutrient management and pruning , will influence the light use efficiency .

2. Photoperiodism
Photoperiodism refers to the impact of day length (daylength) and changes in the length of the night in terms of plant growth . Every day from dawn to sunset shady falls , during the length of the season and latitude with differ . In the northern hemisphere , the summer solstice ( June 21 ) The longest day , the next day getting shorter , that night getting longer and longer , until the winter solstice ( December 22 ) the shortest length of day , that night, the longest ( Figure 2 - 18 ) . After over- winter solstice, the days long and gradual growth. Again and again, the higher latitude regions , such changes are more obvious. Green growth , dormancy, flowering cabbage or other phenomena often affected by the light of the length . Which caused the most widespread attention is the role of light week for flowering , many plants following the length of day and Huakaihuaxie . Chrysanthemum , Christmas red , crab claw cactus , Kalanchoe equal to gradually fall short day length will grow bud , out of beautiful flowers, these plants called short- day plant , if the middle of the night when electric lighting , interrupted night effect, flowers grow well , even flowering. Daisy is the use of flowers and midnight Chiu inhibition of the production of plant height adjustment and control purposes . In short Kusakabe favorable melons female differentiation , under the lights in the male flowers of melons and more, the relative reduction in female flowers, the result will naturally be less . Some plants , such as sunflower, coneflower , snapdragon , carnation , tuberous begonias will have the light of day in the spring and summer season grew long , lush flowers only bloom , namely long-day plants , these plants in Japan over the long short season in night lighting and lighting accelerate their flowering. But for many plants , the effects of day length on flowering is not obvious that such a plant can be called neutral plants. Like many foliage plants, because most native to tropical , subtropical, length of day changes in these areas was significantly better than in temperate regions , so the response is not sensitive to light week .

3. Light quality
Light quality refers to the distribution of light waves of different wavelengths of light . Except the light rays through luminosity and outside circumferential affect plant fertility , because the light is composed of many different wavelengths of the light , of which the 400-700nm wavelength light in the human eye can see a range called visible light. Shorter wavelength than visible light called ultraviolet wavelengths longer than visible light called far-red light . Plants can sense a slightly longer wavelength than visible light range a little wide in the 380-780nm ( Figure \ fs24 2-19). Some important reactions of plants , mostly due to photochemical reactions carried out specific pigment system , such as photosynthesis carried out by the chlorophyll , chlorophyll absorbs red and blue light up to , that red and blue light on photosynthesis maximum effect , while green absorb at least , so we see plants on green. Plants induction ( ie, weeks of light ) of the day and night is controlled by phytochrome (phytochrome), which itself is a blue pigment protein of red light (Red light, 660nm) and far- red light ( also known as infrared light , Farred light, 730nm) is most sensitive ( Figure 2-20 ) . The phototropism may be the effect of a yellow pigment , the effective absorption range in purple, blue, green part . And the human eye can not see ultraviolet light also has effects on plants , such as alpine plants often relatively small, short internodes , beautiful color , that due to the high altitude caused by ultraviolet light more . Dense vegetation and long slender, less penetration are red , and far-red ratio greater penetration among diplomats difficult to grow due to elongation and lateral buds . An adequate supply of natural sunlight various wavelengths of light , in order to meet the needs of normal plant growth . Therefore, the quality of light plants grown outdoors does not require special consideration , however, when the plant at the facility under cultivation, or completely artificial lighting , lack of luminosity and when artificial light must spectral distribution of the lamp will have to give more consideration to it. General tungsten (tungsten filament lamps) and far-red spectrum redder , while the Blu-ray fluorescent spectroscopy is higher ( Figure 2-21 ) , mining tungsten , thermal and electrical charges , and easy to leggy plants , and mining lamp Province power plants are not easy leggy .

Also a great college academic report
   
Research hydroponic lettuce does not apply to the same factory production of high-brightness light quality LED

Website   http://bmte.niu.edu.tw/files/archive/136_d8ff27d6.pdf