With UNI-President Hankyu Department Store opening, the Taipei City Hall Station has become a place where full of commuters and consumers in Xinyi District. In the station’s passageway, there is one LED dynamic light box particularly created by ARC for the UNI-President Corp. The dynamic light box is able to attract attention of passengers and shows dynamic effects to break the stereotype of traditional advertising light boxes, and significantly enhance advertising effectiveness.  Built-in LED light source to replace the traditional fluorescent tubes, not only in the illuminance on further improvement, but also in accordance with the new trend of energy saving of up to 70%, will greatly reduce maintenance costs and cost-effective countermeasures.