| 摘要 |
PROBLEM TO BE SOLVED: To provide an illuminated sign having a simple structure which can be uniformly illuminated. SOLUTION: The sign has a light-transmitting display body 1 which displays characters and figures and a plurality of light emitting diodes 4 disposed on the back of the display body 1. The light emitting diode 4 has a resin lens 4a having a recess 4c on its top to diffuse the light emitted from the diode. |
