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the LED lamp bead is now one of the very popular is also very common lamp, also is the light-emitting diode industry said. In fact, don't look at the is very small, there are plenty here learning.
first of all, let's take a look at the LED lamp bead is how to make the LED lamp bead is composed of solid crystal, wire, dispensing, cover lens glue, spectroscopic, packing and so on make the production process, each link has a different technology, but technology is not the main, good or bad is the main raw materials, determines the price of raw materials, also determines the quality and quality.
why LED diode price differ so much?
, for example, there are 0 on the market. 2 - 0. 4 yuan 1 w wafer 35 mil light bead, is zero. 6 yuan jing yuan 35 mil lamp bead ( General is made of fake wafer) , there is zero. 8 yuan jing yuan 35 mil lamp bead, also have 1 yuan jing yuan 35 mil lamp bead. In fact this is because when making use of material is different.
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