Patent ID: 8104939

Claim:
A solid-state light source ( 10 ) comprising: a plurality of LED units ( 12 ) arrayed to emit light generally about an axis ( 14 ); a light transmissive light guide ( 16 ) having a plurality of input widows ( 18 ), each LED unit ( 12 ) facing a respective input window ( 18 ), each input window ( 18 ) transversely intercepting the axis ( 14 ) and receiving light from the LED units ( 12 ); and a common output window ( 20 ) axially aligned with the input windows ( 18 ), the light guide ( 16 ) having smooth sidewalls extending between the input windows ( 18 ) and the output window ( 20 ); a lens ( 24 ) axially aligned with the output window ( 20 ) and having a focal point positioned relative to the output window ( 20 ) to refract light received from the output window ( 20 ) into a preferred beam pattern directed to a field to be illuminated; an electrical connector ( 26 ) providing power from an external source to energize said LED units ( 12 ), and a housing ( 28 ) to retain the LED units ( 12 ), the light guide ( 16 ), the lens ( 24 ) and the electrical connector ( 26 ) in proper relation, and wherein the light guide ( 16 ) comprises supporting legs ( 32 ) to position the light guide ( 16 ) relative the housing ( 28 ), and the light guide ( 16 ) is formed to bridge the LED units ( 12 ) and is anchored by the supporting legs ( 32 ) to the housing ( 28 ); and wherein the output window has an area less than 40 square millimeters.