High efficiency light for use in a traffic signal light, using LED's

A high efficiency light comprising:

• a lamp shade, having a hollow conical shape, an inside wall coated with a layer of light reflecting substance, a front open side, and a bottom side;
• a holder fastened to the bottom side of said lamp shade;
• a circuit board mounted on said holder inside said lamp shade, said circuit board having a top side coated with a layer of light reflecting substance, a set of light emitting diodes installed in the top side thereof, and a power save control circuit for controlling the operation of said light emitting diodes;
• a hemispherical inner lens mounted on said circuit board over said light emitting diodes inside said lamp shade, said hemispherical inner lens comprising a center convex lens portion at the center, and a plurality of annular convex lens portions around the center convex lens portion thereof;
• a flat intermediate lens mounted on the front open side of said lamp shade, said flat intermediate lens having a center convex lens portion, and a plurality of annular biconvex lens portions around the center convex lens portion thereof;
• and
• a hollow rounded outer lens mounted on the front open side of said lamp shade over said flat intermediate lens and sealed by a packing ring, said hollow rounded outer lens comprising a center convex lens portion at the center, a plurality of annular convex lens portions around the center convex lens portion thereof, and a plurality of beehive-like convex lens portions around the annular convex lens portion thereof.