High-lumen DOB circuit carrier board

The COB circuit support is suitable for the technical field of COB circuit supports. The utility model discloses a high-lumen DOB circuit carrier plate, which comprises an aluminum alloy layer (1), a first adhesive layer (2), a mirror surface aluminum composite layer (3) and an FR4 composite layer (4), the mirror surface aluminum composite layer (3) is provided with a mirror surface aluminum layer (31), a second adhesive layer (32), a BT layer (33), a first copper circuit layer (34) and a first white ink layer (35); the utility model has the beneficial effects that the design adopts a novel structure, and the mirror surface aluminum structure is arranged in a hollow manner, so that the mirror surface aluminum material is saved, and the cost is saved; the mirror surface aluminum can give play to the maximum illumination of the LED lamp chip; in addition, the power supply component is directly mounted on the FR4 substrate, so that the material cost is greatly saved; the structure is simple and production is eas