Patent ID: 8258683
Filing Date: 2012-09-04
Classification: F21K,F21V,F21Y

Abstract:
1. An insulation reinforcing light bulb including a light penetrable shell, a power receiving base, a heat sink and an assembling holder located between the light penetrable shell and the power receiving base, at least one light source baseboard located in the light penetrable shell, and a power conversion board electrically connected to the light source baseboard and the power receiving base; the heat sink including a housing chamber to hold the power conversion board, the light bulb further comprising: an isolation element which is held in the housing chamber and includes an isolation wall interposed between the power conversion board and the heat sink to form a circuit housing compartment to hold the power conversion board, and a wiring outlet formed on the isolation wall to allow wires to be led from the power conversion board to connect to the light source baseboard; wherein the assembling holder includes an insulation wall with an inner edge to tightly couple with the isolation wall.