The difference between direct insertion LED beads and LED patch LED beads

Let's first take a look at the characteristics of LED beads? The angle of LED beads is made very small, which is due to the concentrated light and long range, but the illumination range is limited; The general angle of LED mounting is very large, which belongs to the scattered light and wide illumination range, but the range is relatively close. LED beads emit light through discharge, while LED chips emit light through cooling.

What are the advantages of SMT in comparison? LED mounting is also a type of LED bead. Common LEDs have two or four pins, and some do not have needle shaped pins. They are all the same when soldered tightly against the copper foil of the circuit board. The key to choosing lamp beads is to consider color temperature, color rendering index, light efficiency, light attenuation, as well as the quality of the power supply. When buying these things, buy high-quality ones.

What are their differences? There are many forms of LED bead chips, mainly designed to consider various power dissipation forms. You can find a salesperson from a manufacturer of LED chips online, ask them for a document, and then inquire with them, and you will have a very thorough understanding.

Detailed explanation of the advantages and disadvantages of direct insertion LED beads and LED SMT beads respectively

What are the advantages of direct insertion LED beads? Cob in LED lights. The shape of LED beads has gone through direct insertion and SMT. With technological progress, it is natural for multiple LED chips to be highly integrated and directly packaged on a substrate (integrated circuit and heat dissipation design), forming a compact, high-power, and ultra high-power LED light-emitting element, which is called "COB" (seemingly a bead, but actually a set of beads).

And for SMT, what are its advantages? Integrated LED is generally a nickname for COB light sources in the market, but in reality, the characteristics of COB light sources cannot be clearly described. COB refers to Chip On Board, which directly packages low-power chips onto aluminum substrates for rapid heat dissipation. The chip has a small area, high heat dissipation efficiency, and low driving current. Therefore, it has high heat dissipation with low thermal resistance and high thermal conductivity. Compared to ordinary SMD low-power light sources, it has higher brightness and lower thermal resistance.

If the light is on, it indicates that the function of the lamp beads is basically unobstructed. If the light is not on, swap the red and black probes and test again. To avoid some lamp beads having opposite yin and yang poles compared to others. Observe the color of the lamp beads and whether the color temperature meets the requirements when the lamp beads are lit. Is the brightness appropriate. Choose appropriate lamp beads. So, we found that each of them has its own advantages.