| 摘要 |
Disclosed is a safety light emitting device. As a safety light emitting device which can be combined with an umbrella bar, the safety light emitting device includes a gravity sensor part which measures the slope of the safety light emitting device, a light emitting part which emits light according to a slope measured by the gravity sensor part, and a combination part into which the umbrella is inserted to be combined. So, a lighting part can be automatically turned on or off according to the slope and vibration. |
