LED bulb with internal heat dissipating structures

An LED based light comprising:

• a base having a first end and a second end;
• a light structure adjacent to the base and extending along a longitudinal axis of the light;
• wherein the light structure includes an inner surface and an outer surface and defines a cavity;
• a heat dissipating structure extending into the cavity;
• and
• at least one LED mounted in thermally conductive relation to the heat dissipating structure;
• wherein:
• the light structure is a light pipe having a proximal end opposing a distal end;
• the inner surface is configured for substantially total internal reflection of light;
• and
• the light pipe is configured to distribute a light produced by the at least one LED in a predetermined light distribution.

A method making an LED based light comprising:

• providing a base having a first end and a second end;
• mounting a light structure having an inner surface and an outer surface and defining a cavity adjacent to the base so that the light structure extends along a longitudinal axis of the light, wherein the light structure is an annular flange;
• providing a heat dissipating structure within the cavity;
• mounting at least one LED in thermally conductive relation to the heat dissipating structure;
• mounting the annular flange in thermally conductive relation to the heat dissipating structure;
• and
• mounting the at least one LED to the outer surface.

A method making an LED based light comprising:

• providing a base having a first end and a second end;
• mounting a light structure having an inner surface and an outer surface and defining a cavity adjacent to the base so that the light structure extends along a longitudinal axis of the light;
• providing a heat dissipating structure within the cavity;
• and
• mounting at least one LED in thermally conductive relation to the heat dissipating structure;
• wherein:
• the light structure is a light pipe having a proximal end opposing a distal end;
• the inner surface is configured for substantially total internal reflection of light;
• and
• the light pipe is configured to distribute a light produced by the at least one LED in a predetermined light distribution.