Patent ID: 7976206

Claim:
A light bulb, comprising: a bulb body comprising a light-transmitting shell and a conductive base, the light-transmitting shell being mounted to the base, a circuit board being fixed to one side of the base and in electrical connection with the base; at least one light-emitting diode mounted to the circuit board that is fixed at one side of the base, the at least one light-emitting diode being in electrical connection with the circuit board to provide an internal light source; and a light guide arranged inside the bulb body and having an end forming a cavity receiving the at least one light-emitting diode therein, the light guide being erected on the base and having an outer surface on which a reflective layer is formed to reflect light emitted from the light source, the light guide further having a top end forming a sphere for deflecting light emitted from the light source.