| 摘要 |
PURPOSE: A buried lighting device using a solar battery is provided to eliminate a need of a power connection line, thereby increasing durability with high efficiency. CONSTITUTION: A plate type rectangular housing(120) is located on a support unit(110). A solar cell(130) is arranged on both sides of the housing to convert solar light into electrical energy. The electrical energy of the solar cell is accumulated in a battery(160). A control circuit(150) controls the electrical energy accumulated in the battery to be under a fixed voltage value. An LED(140) is arranged between solar rays. The LED applies a specific voltage to the control circuit to generate illuminating light. A transparent cover(170) covers the housing and the support unit. |
