B, all welded aluminum substrates are used for * * *. The two pins on one side of 5630 are bonded to the pad and welded together, which is no different from that of 5730 with one foot bonded to the pad. Designing four feet into two feet is also cost-saving.
The products of different manufacturers are very different, and the price and performance are very different. But at present, all the 5630(5730) lamp beads on the market have reached more than 55LM, many of them have reached more than 70LM, and a few high-end products can reach more than 75LM. In the past, 5630 was actually used in the backlight field, but due to the lack of demand in the backlight field, Korean manufacturers applied it to the lighting field, and the price dropped all the way. 5730 lamp beads are widely used now.