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| Area：International | Type：Metro | Frequency：0 |
| Address：Exit 1 wall of subway line 2 | Format：led | Duration：、 |
| Location：Exit 1 wall of subway line 2 | Min Qty：1 | |
| Size：86 | Min Period：week |
A large advertising screen is installed at the entrance of Incheon Airport Railroad Hongik Univ. Station for commercial advertising and public promotion
LED screens at some stations of Seoul Subway Line 2 (such as Hongik Univ. Entrance Station Exit 9) also serve as a guide to the business district and provide information on shopping and cultural activities
As an interchange station for Seoul Subway Line 2, Airport Railroad, and Gyeongui Line, the LED screen at the exit is densely covered, and Exit 9 goes directly to the business district, and the screen content is mainly shopping guides and advertisements
At the transfer station of the branch line of Line 2, there was no elevator on the elevated platform due to the narrow space, and the display screen may have been upgraded at the same time when the equipment was installed in the later stage
Some sites have inconsistent Chinese name translations, which may affect the accuracy of the station name display on the LED screen, and the relevant specifications are being adjusted
The LED system on the exit wall of South Korea's subway line 2 takes dynamic information guidance and commercial advertising as the core functions, and is particularly prominent in the application of Hongdae entrance and other crowd hub stations, and the technology focuses on wireless control and environmental adaptability. In the future, multilingual signage needs to be further harmonized to enhance the passenger experience
The LED screens on the exit wall are concentrated in core transfer hubs such as Hongik Univ. Station, Gangnam Station, and Samseong Station, among which Hongik Univ. Station is connected to the airport line and business district, with an average daily passenger flow of more than 200,000 people; Sancheng Station is directly connected to the COEX shopping center, forming a high-intensity exposure environment
Passengers must pass through the passage to form a visual line, LED screen because of its large size and location exclusivity, to achieve more than 90% of the reach, to avoid the blocking interference of Internet advertising
It supports multi-language scrolling playback of train arrival information and transfer guidance, and strengthens information transmission with waterfalls, animations and other effects
With the core competitiveness of hub traffic monopoly, hardware immersion and scene consumption closed-loop, the LED media exported by South Korea Metro Line 2 has become a golden medium for brands to capture the Seoul market. Future technology iterations will further strengthen its leading position as an "underground super medium".
