| 摘要 |
PROBLEM TO BE SOLVED: To provide a good diffused light used by small power and high in visibility. SOLUTION: A plurality of light emission diodes 20 are provided having specified different installing angles in a diffused light source 10 and a light is emitted. As a power source for causing each light emission diode to emit a light, at least a solar battery or a storage battery is used. A display lamp uses such a diffused light as a light source for a light emitting part. |
