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Power limitation of LED lamp beads1. The LED bead for indicator lamp is 5mA tested, and the working voltage of green light is 3V, which is 0.015 W.2. The test current of low-power LED lamp bead is 20mA, which is 0.064w based on 3.2V working voltage of white light.3. The test of LED beads for medium power lighting is 150mA, which is 0.495w based on 3.3V working voltage.4. High power lighting LED beads more test is 350mA, with 3.3V working voltage, is 1.155w.5. At present, the …
2021.04.11
Have you ever wondered what kind of light bulb (LED, CFLs, or incandescent) is best for the environment?In the three-part study sponsored by the Environment Department, there is no doubt that LEDs are significantly better for the environment than other lighting options, such as energy-saving lamps, especially incandescent bulbs.The study considered a wide variety of factors and assessed the extent to which each bulb affected our planet's air, water, soil and resources.This is…
2021.03.31
A, the positive and negative level of the LED patch distinction: carefully look at the front of the LED patch, in a square or rectangle there is a corner with a lack of Angle, the lack of Angle there is positive, the other side is negative. LED lamp bead positive and negative distinction: carefully look at the front of the LED lamp bead, at both ends of the LED lamp bead, one end has a small lack of Angle, and the lack of Angle this end is positive, the other end is negative.…
2021.03.28
1、 What are the two connection methods of LED lampFirst, disconnect the power supply, remove the ballast with inductance in the lamp holder, and then remove the starter; then connect the two wires on both sides of the lamp holder; finally, put the lamp tube into the lamp holder, and turn the lamp tube to work normally.2、 How to buy high quality LED lamp1. Packaging and trademarksWhen purchasing, we should carefully check the packaging and trademark of LED lamps, and the packa…
2021.03.26
1. Energy efficiency: only a few kilowatt hours of electricity! An ordinary 60-watt incandescent lamp consumes 1 kilowatt-hour for 17 hours, and an ordinary 10-watt energy-saving lamp consumes 1 kilowatt-hour for 100 hours. ULTRA-LONG LIFE: Semiconductor, chip light, no filament, no glass bulb, not afraid of vibration, not easy to break, service life up to 50,000 hours (ordinary incandescent lamp service life only 1,000 hours, ordinary energy-saving lamp service life only 8,0…
2021.03.25
No matter where, as long as it is dark we can see the shadow of the lamp, because of the lamp, our lives become more bright. And now the development of the lamp is getting better and better, the use of led lights is common, is to save electricity, not only save electricity, but also I also good decorative effect, so in the home is very common. So, what are the advantages and disadvantages of led lights? What are the types of led lights? What are the advantages and disadvantag…
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