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| Area：International | Type：Metro | Frequency：0 |
| Address：Metro Line 2 and Line 3 Transfer passage wall | Format：led | Duration：、 |
| Location：Metro Line 2 and Line 3 Transfer passage wall | Min Qty：2 | |
| Size：86 | Min Period：week |
Line 2 is the core ring line of Seoul (with an average daily passenger flow of more than 2 million passengers), and Line 3 connects the Gangnam Business District and the old city of Gangbuk, forming a natural high-density pedestrian flow node through the transfer channel, and increasing the single-day reach efficiency of LED screens by 300%
The average travel time of passengers is ≥ 3 minutes, and the mandatory exposure time is significantly higher than that of traditional outdoor media
Support time-based playback strategy: push FMCG advertisements during peak commuting hours, display cultural tourism activities or luxury goods during peak hours, and increase the click conversion rate by 45% compared with static posters.
GOB packaging technology is dust-proof and impact-proof, and the failure rate ≤ 0.3%/year in the subway dust environment, significantly reducing maintenance costs
The power consumption is reduced by 60% compared with the traditional light box, which is in line with Seoul's 2030 carbon neutrality target LED transformation policy
South Korea's superconducting cable test section verified: transmission energy consumption will be reduced by another 30%, and the proportion of green electricity in media equipment will be increased at the same time
The curved LED advertising wall (70.7×15.5 meters) adjacent to the subway in COEX shopping mall has 3.2 times the daily broadcast price of traditional business district screens due to its high passenger flow reach efficiency
RGBW color temperature lighting Dynamic content (such as the "Metro Loop" art exhibition in Tianmuli) makes the channel function as a gallery, attracting young audiences to take photos and disseminate it
The debut of new songs by celebrities (such as Zhang Junhao's MV) and the preview of the film festival rely on LED walls to create event marketing, and the secondary dissemination of social media has increased by 170%
Due to the average daily passenger flow of more than 2 million people in the transfer channel of Line 2, the single-day broadcast quotation of the LED wall reached 3.2 times that of the traditional business district screen10, and the willingness of brands to pay for high-exposure scenarios increased significantly
After Incheon Subway Line 2 adopted the same type of LED wall, the proportion of advertising revenue in the line's total non-ticketing revenue jumped from 12% to 37%
