Patent ID: 10663117

Abstract:
A multifunctional LED bulb includes a lamp base, a light-transmitting bulb shell, a driving power supply, electric lead wires, a stem, at least one LED light source and a support column, wherein the tail of the light-transmitting bulb shell is fixedly connected with the lamp base; the driving power supply is located in the lamp base, and the LED light sources and the support column are wrapped in an inner cavity of the light-transmitting bulb shell; the light-transmitting bulb shell is sealed by the lower portion of the stem which is of a hollow structure, an exhaust pipe is arranged in the stem, and a hole is formed in the joint of the upper end of the exhaust pipe and the stem. The multifunctional LED bulb looks like ordinary incandescent bulbs, and is environmentally friendly, good in heat dissipation and light-emitting effect.