Now the mainstream is the patch, the price of the lamp beads and the price difference of the patch 5-10 times. If only to try leds. It is also possible to use lamp beads. However, heat dissipation is the main factor affecting its life and light decay. The power of the lamp bead is not as large as the patch, because the heat dissipation is not good, and the patch can use the aluminum substrate, all of which have high thermal conductivity, fast heat dissipation and long life.
Ordinary two - and three-tier cities with patches to do street lights is now more and more popular.