Patent ID: 8786193
Filing Date: 2014-07-22
Classification: F21K,F21V,F21Y

Abstract:
1. A light emitting diode (LED) lamp comprising: a housing, an end of the housing comprising a protrusion; a circuit layer placed on the protrusion; at least one LED die placed on the protrusion and electrically connected to the circuit layer; a light transmitting adhesive covering the circuit layer and the LED die; a lamp shade connected to housing, the lamp shade and the housing cooperatively defined an accommodating space, the lamp shade comprising a plurality of ventilating holes; and a light transmitting liquid fill within the accommodating space and the LED die sunk in the light transmitting liquid, wherein the ventilating holes are configured to dissipate vapor generated by boiled light transmitting liquid to increase a heat dissipating speed and prevent the lamp shade from breaking by bearing over high vapor pressure, and the light transmitting liquid is refillable in reverse into the accommodating space through the ventilating holes, and wherein the ventilating holes are higher than a level bare of the light transmitting liquid when the LED lamp in operation.