digital signage GLOSSARY

4K

4K is a video resolution of approximately 4,000 horizontal pixels — standardized at 3840×2160 pixels and commonly referred to as UHD (Ultra High Definition). In digital signage, 4K displays deliver four times the image quality of Full HD, allowing more detail, sharper text and richer color reproduction.

Thanks to the ubiquity of compatible displays and cloud-native CMS platforms, 4K is today the reference resolution for professional digital signage installations where visual fidelity is part of the brand experience.

Use Cases

4K displays are widely used to elevate spaces and high-resolution visual content:

- Retail: immersive window displays, totems and experience corners that strengthen brand and product perception.
- Corporate: meeting rooms, conference centers and showrooms with crisp, professional presentations.
- Tourism, museums and entertainment: interactive installations and video walls that hold attention through fine detail.
- Premium retail and flagship stores: rendering of materials, textures and color with photographic accuracy.