Patent ID: 9625111
Date: 2017-04-18
CPC Classifications: F21K,F21S,F21V,F21W,F21Y

Claim:
1. A method for constructing an LED bulb with high interchangeability and universality, comprising: embedding a silver paste printed circuit on a heat conductive bracket sintered by a nonmetal heat conductive material and provided with a cooling fin, and then welding an LED chip, or further welding a drive chip on the silver paste printed circuit to form the LED bulb, wherein a slot is provided to the heat conductive bracket, a bulb inner cover is embedded and fixed in the slot, and the bulb inner cover covers the LED chip or the drive chip; wherein a second slot is further provided outside the bulb inner cover, a bulb outer cover or a lens snap ring and a lens are further embedded in the second slot.