The contribution of LED display screens to increasing exhibition audience participation is significant. It effectively attracts the audience's attention and promotes the audience's interaction with the exhibition content by providing high-quality visual content and interactive experience.

The following are several key points of LED displays in improving exhibition audience participation:

1. Interactivity: LED displays combine interactive applications and touch screen technology to allow viewers to interact directly with the screen, such as participating in voting and surveys. This participatory experience can better attract viewers and increase their participation.

2. Visual effect: LED display screen provides the audience with an immersive visual experience with its high brightness, high contrast and bright colors. This visual appeal is one of the key factors that enhance the attractiveness of a trade show.

3. Information display: The flexibility of LED display is that it can display diverse content, including real-time information, announcements, event schedules, etc., to help viewers better understand all aspects of the exhibition.

4. Technological innovation: With the continuous advancement of technology, the interactive functions of LED displays are becoming more and more abundant. For example, LED spherical screens can display images and videos in 360 degrees, bringing an unprecedented experience to the audience.

5. Professional and technical support: The production and installation of LED displays require a high degree of professionalism and technology to ensure the quality and stability of the product, which is particularly important for long-running exhibition environments.

6. Trend leadership: The LED display industry continues to develop, bringing together cutting-edge display technologies, becoming the focus of the exhibition, and leading industry trends.

To sum up, LED display screens have made important contributions to increasing exhibition audience participation through their unique interactivity and visual effects. It not only enhances the audience's experience, but also provides exhibition organizers with a more effective means of information transmission and audience communication. Therefore, the role of LED display screens in exhibitions cannot be underestimated. It is one of the key tools to increase exhibition participation and success.