Patent ID: 7748870

Claim:
A LED lamp bulb structure, comprising: a lamp head, having engaging space located at the bottom portion thereof; a lamp controller, fixed in the lamp head; an upper cover; disposed in the engaging space of the lamp head and rejected to the bottom surface of the lamp controller, having an inwardly indented chamber with plural first through holes; a heat dispersing fin set, fixed at the bottom surface of the upper cover and having an inwardly indented space at the bottom thereof and plural penetrating holes corresponding to plural first through holes mounted at the central portion thereof, wherein plural heat dispersing fin sets are assembled to form a heat dispersing integration; a lower cover, fixedly mounted in the inwardly indented space at the bottom of the heat dispersing fin set, and having an inwardly indented chamber in the inner portion thereof and plural second through holes mounted at the central portion thereof corresponding to plural first through holes for screwing with a bulb housing, which accommodates a tray therein; plural heat conducting tubes, penetrated through second through holes of the lower cover, which is located under the heat dispersing fin set, and plural penetrating holes, wherein one end of the heat conducting tube is formed to be a protruded bolt portion for passing through the first through hole of the upper cover and electrically connecting to the lamp controller, and the other end is bent to form an outwardly inclined board; and plural LED lamp sets, fixedly at the bottom portions of the outwardly inclined boards of plural heat conducting tubes and protruded out of the bottom surface of the tray.