WHAT IS COB (CHIP ON BOARD)?
A Chip On Board LED Downlight consists of a single LED chip, mounted on the downlight, compared to an array of LED’s like an SMD. As the single cluster of LED’s are mounted in one point, they require greater cooling, so a larger heat sink, usually made of aluminium, must be mounted to dissipate the heat. As more material is required to manufacture a COB LED heat sink, this usually increases the cost slightly.
A Chip On Board LED Downlight consists of a single LED chip, mounted on the downlight, compared to an array of LED’s like an SMD. As the single cluster of LED’s are mounted in one point, they require greater cooling, so a larger heat sink, usually made of aluminium, must be mounted to dissipate the heat. As more material is required to manufacture a COB LED heat sink, this usually increases the cost slightly.
The Advantage of COB LED Grow Lights
So what is exactly is Chip-on-Board technology? The most notable design advantage of COB packaging is its ability to accommodate nine or more LED diodes on a single chip. LED diodes are bonded directly onto a ceramic, aluminum, or copper substrate to form an array on a single module. When a COB LED grow light is turned on, these diodes emit a controlled light beam with no visible individual light points. Because these lights can pack more chips into the light-emitting area, COB LED lighting maximizes the lumen output per inch and provides a denser array of light vs. other lighting options.
So what is exactly is Chip-on-Board technology? The most notable design advantage of COB packaging is its ability to accommodate nine or more LED diodes on a single chip. LED diodes are bonded directly onto a ceramic, aluminum, or copper substrate to form an array on a single module. When a COB LED grow light is turned on, these diodes emit a controlled light beam with no visible individual light points. Because these lights can pack more chips into the light-emitting area, COB LED lighting maximizes the lumen output per inch and provides a denser array of light vs. other lighting options.
COB is known for better lumen per watt ratios and heat efficiency. COB chips can produce a higher amount of lumens with less energy with a minimum of 80 lumens per watt. You can find it in all types of bulbs and applications, like the flash of your mobile phone or point-and-shoot camera.
Light density increases significantly as there are more diodes packed together in a tight space. And because these many diodes function as one large LED chip, they generate a greater intensity of light that penetrates deeper into the canopy. COB technology also boasts a higher color rendering index, which means human eyes perceive objects under the glow of a COB LED grow light as their natural color. Without the purple glow associated with SMD LED lights, growers have an easier time identifying discoloration that could indicate a fungal attack, light burn, or any other threat to plant health.
Best COB LED Grow Lights for Sale 2020
The light is good for plants in both the vegetative and flowering phases. This is one of the latest trends of using cob led lights for growing marijuana and weed indoors.
This lighting lamp has the same high intensity spectrum that you find in HPS bulbs. The cob led lights nicely combine the high PAR output to offer red and blue rays.
This feature allows plant growth during all stages of plantation. It is equipped with various full spectrum led grow lights that has large 90-degree glass lenses, providing high light output efficiency.
The Optic 4 Gen4 is more efficient than ever! It uses less power to deliver even more light and will deliver yields of up to 888 grams / 31.71 oz / 1.98 lbs.
6 CREE Xlamp CXB3590 COB LED Chips
Bloom Enhancers:
- CREE XPE 660nm Deep Red and 460nm Royal Blue Bloom Enhancers.
- Samsung Horticulture specific LM301H Mixed White LEDs
- Yield: up to 3.0lbs / up to 2.4 grams per watt
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