Patent ID: 10619841

Abstract:
An LED lamp includes: a lamp shell including a lamp head, a lamp neck and a sleeve, the lamp head connects to the lamp neck which connects to the sleeve; a passive heat dissipating element having a heat sink connected to the lamp shell, wherein the heat sink comprises fins and a base; a power source; a light emitting surface; a first heat dissipating channel formed in a first chamber of the lamp shell; a second heat dissipating channel formed in the heat sink and between the fins and the base; a lamp cover connected with the heat sink and having a light output surface and an end surface; wherein a third aperture is located in a central region of the light emitting surface, and the third aperture forms an air intake of both the first heat dissipating channel and the second heat dissipating channel; wherein the light emitting surface has an inner border and an outer border encircling the inner border, both the inner border and the outer border separately upward extend along the axial direction of the LED lamp to form a region, an area of part of the fins inside the region is greater than an area of part of the fins outside the region.