| 摘要 |
PURPOSE: A periscope street light is provided to reduce maintenance costs by upwardly emitting light of a bulb installed on the beneath to be reflected and emitted to the outside. CONSTITUTION: A ladder has a height enough to be repaired by oneself. An LED bulb of a street light is installed on the ladder. The installed street light facilitates the replacement of the bulb. A reflector is formed on a head edge of the street light. The reflector emits light of the bulb to the outside. |
