From LED Trucks to AI-Powered OOH: Korea’s addd Redefines Mobile Advertising

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South Korea’s mobile LED advertising market is facing growing scrutiny as local governments step up enforcement against vehicles operating outside existing outdoor advertising regulations. Against this backdrop, AI solutions OOH company 'addd' is positioning its City Pink platform as a legally approved alternative for K-pop fandom advertising and corporate campaigns.

Under Korea’s outdoor advertising regulations, the installation of electrically illuminated advertising displays on vehicles is generally restricted. This has raised legal and safety concerns over some LED advertising trucks operating in major urban areas.

City Pink operates under a regulatory sandbox demonstration exemption approved by the Korean government. According to addd, the platform received approval after meeting required safety conditions, allowing its trucks to legally display video advertising on public roads.

The service also incorporates safety considerations into content delivery. Advertising is designed primarily for pedestrian visibility, with the aim of minimizing distraction to drivers.

Beyond regulatory compliance, City Pink applies AI-based technology to campaign measurement. Data generated during advertising operations is analyzed and provided to advertisers through a web dashboard, enabling them to evaluate campaign performance beyond traditional exposure counts.

addd’s ‘City Pink’ displays K-pop fandom support advertisements across downtown Seoul.

City Pink currently operates four LED advertising trucks. Its business is divided into shared advertising packages aimed largely at K-pop fandoms and customized turnkey campaigns for companies and brands.

Fans can collectively purchase advertising for idol birthdays, debuts, comebacks and anniversaries, while corporate clients can commission campaigns covering planning through execution.

As K-pop fandom advertising continues to expand, regulatory compliance is emerging alongside technology and creativity as an increasingly important competitive factor in Korea’s OOH market. City Pink illustrates how mobile digital OOH could evolve by combining legal operation, safety standards and data-driven measurement.

addd is member of Word Out of Home Organization