LED lantern assembly

A light emitter assembly comprisng:

• (a) a light source mounting block;
• (b) a light source mounted on the light source mounting block;
• (c) a heat dissipation system in communication with the light source mounting block to transfer heat away from the light source;
• and
• (d) a reflector assembly including an arcuate reflective surface and a reflector mounting block wherein the arcuate reflective surface is symmetrical about a horizontal midplane, the horizontal midplane is coincident with an optical axis of the light source, and the midplane of the arcuate reflective surface is perpendicular the optical axis.

A light emitter assembly comprising:

• (a) a light source mounting block;
• (b) a light source mounted on the light source mounting block;
• (c) a reflector assembly for receving an unfocused beam of light emitted by the light source and reflecting a focused beam of light away from the reflector assembly;
• and
• (d) a heat dissipation system in communication with the light source mounting block to transfer heat away from the light source, wherein the heat dissipation system transfers heat from the light source mounting block to the reflector assembly.

A lighting device comprising:

• (a) a plurality of light emitter assemblies, wherein the light emitter assembly comprises:
• (i) a light source mounting block;
• (ii) a light source mounted on the light source mounting block;
• (iii) a reflector assembly for receiving a plurality of light rays emitted by the light source and reflecting the light rays away from the reflector assembly;
• and
• (iv) a heat pipe, wherein one end of the heat pipe is thermally coupled to the light source mounting block and a second end of the heat pipe is thermally coupled to the reflector assembly;
• (b) a mounting surface having the light emitter assemblies equidistantly disposed on the mounting surface;
• and
• (c) an air circulation path in communication with the light emitter assemblies.

A lighting device comprising;

• (a) a light source mounting block:
• (b) a light source mounted on the light source mounting block;
• (c) a reflector assembly for receiving a plurality of light rays emitted by the light source and reflecting the light rays away from the reflector assembly;
• and
• (d) a heat dissipation system in communication with the light source mounting block to transfer heat away from the light source, wherein the heat dissipation system includes
• (i) a first heat pipe having a heat absorbing end traversing the light source mounting block and a heat rejection end engaged in the reflector assembly,
• (ii) a plurality of cooling fins on the light source mounting block,
• (iii) an air circulation path in communication with the light source mounting block, the light source, and the reflector assembly, and
• (iv) a second heat pipe in thermal communication with the reflector assembly and the air circulation path.

A lighting device comprising:

• (a) a plurality of coaxially aligned light source units, each light source unit including
• (i) a plurality of light emitter assemblies, wherein each light emitter assembly has a light source mounting block, a light source mounted on the light source mounting block, and a reflector assembly having a reflective surface, whereby the reflective surface receives a plurality of light rays emitted by the light source and reflects the light rays into a substantially horizontal beam away from the reflector assembly, and
• (ii) a mounting surface having the light emitter assemblies equidistantly disposed about a vertical axis of the mounting surface;
• (b) an air circulation path in communication with the light source units;
• and
• (d) a heat dissipation system in communication with the light source mounting blocks and the air circulation path for transferring heat away from the light source, wherein the heat dissipaton system comprises:
• (i) a plurality of first heat pipes, wherein one first heat pipe transfers heat from the light source mounting block to the reflector assembly of each light emitter assembly,
• (ii) a plurality of cooling fins on the light source mounting block of each light emitter assembly, wherein the cooling fins are in communication with the air circulation path, and
• (iii) a plurality of second heat pipes, wherein one second heat pipe transfers heat from the reflector assembly of each light emitter assembly to the air circulation path.

A light emitter assembly comprising:

• (a) a light source mounting block;
• (b) a light source mounted on the light source mounting block;
• (c) a heat dissipation system in communication with the light source mounting block to transfer heat away from the light source;
• (d) a reflector assembly for receiving an unfocused beam of light emitted by the light source and reflecting a focused beam of light away from the reflector assembly;
• and
• (e) a heat pipe, wherein one end of the heat pipe is thermally coupled to the light source mounting block and a second end of the heat pipe is thermally coupled to the reflector assembly.