LED-based modular lamp

A light emitting apparatus comprising:

• a heat sink having a first side, a second side opposite the first side, and conduit connecting the first side and the second side;
• a plurality of light emitting diodes disposed at the first side of the heat sink and in thermal communication therewith to heat sink the light emitting diodes;
• and
• an electronic module disposed at the second side of the heat sink and in thermal communication therewith to heat sink the electronic module, the electronic module converting electrical input power into a conditioned electrical power, the light emitting diodes receiving the conditioned electrical power from the electronic module via the conduit.

A method for retro-fitting a lamp fixture configure to receive an MR- or PAR-type lamp in an electrical receptacle with an LED-based lamp, the method comprising:

• selecting an LED-based lamp conforming at least to a diameter of the MR- or PAR-type lamp;
• selecting a selected electronic module including a connector configured to mate with the electrical receptacle of the lamp fixture, the selected electronic module being selected from amongst a plurality of electronics modules having different connectors and identical output couplers;
• and
• mechanically joining the selected LED-based lamp and the selected electronic module to form an LED-based retro-fit unit by mating the output coupler with the LED-based lamp, the mechanical joining effectuating electrical connection therebetween.

A modular lamp system comprising:

• an optics module having:
• a plurality of LEDs arranged on a printed circuit board, and
• a heat sink having an electrical conduit for conveying electrical power through the heat sink, the plurality of LEDs thermally communicating with the heat sink;
• and
• a plurality of electronics modules, each module including:
• (i) an output coupler adapted to mate with the heat sink to convey power to the plurality of LEDs via the electrical conduit of the heat sink, and (ii) an electrical power connector for receiving electrical power, the electronics modules each having the same output coupler but different electrical power connectors, each electronics module housing circuitry converting the electrical power received at its electrical power connector into a common output power delivered to the output coupler to drive the LEDs.