| 摘要 |
PURPOSE: A boundary block is provided to enable a driver to easily confirm the block even in the night by uniformly emitting light. CONSTITUTION: A boundary block comprises solar cells(30), a power supply unit(40), a light emitting unit(50), and protection plates(60). The solar cells are installed to be exposed toward the top of a case body(10). The power supply unit charges electric energy generated in the solar cells. The light emitting unit is installed in one side of the case body and receives electricity. The protection plates cover the outer surface of the light emitting unit.
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