1 1-cell type traffic light device using multi-color LED
2 LED Street lamp having secondary traffic accident prevention system
2 LED Street lamp having secondary traffic accident prevention system
2 Safety kit device for second accident prevention of vehicle
2 Safety rod for preventing secondary accidents in vehicles
2 Secondary accident prevention system using silicon lighting
2 Smart streetlight for a secondary accident prevention
2 Vehicle Emergency notification device for prevention of secondary accident and its method
2 Vehicle Emergency notification device for prevention of secondary accident and its method
3 3-way camera apparatus for parking control with parking space displaying function
3D holographic display rotor wing and working method thereof
3D icon for use with a switch and a method of making the 3D icon
3 EMOTIONAL LIGHTING APPARATUS FOR VEHICLE CAPABLE OF IMPLEMENTING THREE-DIMENSIONAL PATTERN