Patent ID: 8421320

Claim:
An LED light bulb equipped with light transparent shell fastening structure, comprising: a power receiving base; a power conversion board electrically connected to the power receiving base and at least one light source baseboard; a heat sink which holds the light source baseboard and includes a housing chamber to hold the power conversion board, the heat sink further including a wedged groove which includes a wall with a first holding portion formed thereon; and a light transparent shell which includes a space to hold the light source baseboard, a sphere and a neck extended from the sphere to wedge in the wedged groove, the sphere and the neck including an inner wall to surround the space and an outer wall on another side opposite to the inner wall, the outer wall of the neck including a longitudinal shell retaining portion corresponding and fastening to the first holding portion to restrict the light transparent shell from moving vertically against the heat sink, wherein the neck further includes at least one transverse shell retaining portion, the wedged groove including at least one second holding portion corresponding and fastening to the transverse shell retaining portion to restrict the light transparent shell from turning against the heat sink.