| 摘要 |
<p>The present invention relates to a safety display device. The present invention comprises: a housing having an opening; a light source installed in the housing, irradiating light towards the opening; an optical unit installed in the opening, converting the light irradiated from the light source to have a safety signal form to enable the light to pass through the optical unit; a power supply unit supplying power to the light source; and a control unit supplying or blocking power supplied from the power supply unit to the light source.</p> |
