Abstract
The purpose of this study was to verify the degree of visibility of FOLED (fiber optic light-emitting diode) materials applied to safety-enhancing bags of micro-mobility users and the degree of visibility by vehicle drivers during the day and night by conducting an empirical test targeting 50 people in their teens, 20s, 30s, 40s, and 50s or older.BR First, the results of the visibility test at 10 m-intervals from 10 to 70 m based on the bag sample showed that the light detection of FOLED material was very good without daytime or nighttime distinction. BR Second, the results of directional sign detection were confirmed to be very high without any daytime or night.BR Third, the results of identifying a pictogram design showed that the distance was shorter than that of light detection or directional indication. However, the FOLED pictogram design could be confirmed at a distance of 40 m or less.BR Fourth, the results of the light detection time of FOLED while driving 300 m at 40 km/h showed excellent results in both daytime and nighttime with a stop time of more than 2.5 sec at 40 km/h.BR Therefore, if a bag or clothing product using FOLED material is worn and micro-mobility is used, the experimental results indicate that safety will be sufficiently secured due to the excellent visibility.
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