From a quality perspective, large and small outdoor advertising screens on transportation media each have their advantages and disadvantages, but the overall analysis can be summarized as follows:
1. Visibility and Impact
Large Screens
Advantages: Wide field of view, visible from a distance, attracting the attention of drivers and passengers.
Strong visual impact, suitable for displaying dynamic videos and complex images.
Small Screens
Advantages: Suitable for close-range viewing or situations with short viewing times (e.g., bus stops).
Poor visibility from a distance, easily overlooked.
Conclusion: Large screens are significantly superior to small screens in terms of visibility and visual impact.
2. Resolution and Image Quality
Large Screens
Early large screens had low pixel density and noticeable pixelation.
Modern LED screen technology has improved significantly, with high-definition and even 4K screens ensuring detail.
Small Screens
High pixel density, good viewing effect at close range.
Easier to achieve high-definition display, especially in close-range scenarios such as bus stops and subway entrances.
Conclusion: If close-range clarity is a priority, small screens have an advantage; for long-distance viewing, modern large-screen high-definition technology can also guarantee image quality.
3. Viewing Time and Information Delivery
Large Screens
Mostly used on highways or main urban roads, target audience is driving, so viewing time is short.
Information needs to be concise and clear, otherwise it will be difficult to understand.
Small Screens
Mostly used at traffic lights, bus stops, subways, etc., where viewers have longer dwell times.
Can display more detailed or diverse information.
Conclusion: Information delivery efficiency depends on the screen location and audience dwell time, not simply the size.
4. Environmental Adaptability and Maintainability
Large Screens
High installation and maintenance costs.
Environmental factors such as wind, rain, and direct sunlight pose greater challenges to brightness and lifespan.
Small Screens
Flexible installation and relatively simple maintenance.
Easier to use in urban areas, bus stops, and other places with limited space.
✅ Summary
Considering quality (visibility, visual impact, and clarity of information delivery) comprehensively:
Large screens are more suitable for highways and main urban roads, able to capture attention from a distance, but it is crucial to ensure high-definition screens and concise information.
Small screens are suitable for low-speed environments or situations with longer dwell times, and can display content with rich details. Overall conclusion: In transportation media, large outdoor screens generally offer superior quality and visual impact, but the specific effect depends on factors such as location, viewing distance, and content design.