Patent ID: 7220019

Claim:
A multi-color illuminated sign comprising: a rectangular base casing having upstanding opposite end walls and side walls, and a bottom panel, said side walls having a light reflective inner surface, said bottom panel having a light scattering reflective pattern formed therein, a plurality of light emitting diodes mounted on a circuit board located adjacent to an end wall wherein said plurality of light emitting diodes including a first group of light emitting diodes operative to emit a primary blue light in said base casing, a second group of light emitting diodes operative to emit a primary green light in said base casing, and a third group of light emitting diodes operative to emit a primary red light in said base casing, a front cover casing mounted on top of said base casing, said front cover casing having a top panel with a smooth upper surface, a light diffusing plate mounted between said front cover casing and said base casing, an indicia plate having a transparent display indicia formed therein, mounted over said top surface of said front cover casing.