Resolution

Resolution is the number of pixels used to display or deliver a digital ad creative, usually expressed as width × height, such as 1080 × 1920 pixels. In practical DOOH terms, higher resolution allows finer detail, cleaner typography and smoother imagery, but only when the creative is built for the exact screen specification. Resolution describes the pixel canvas; it is related to, but different from, pixel pitch, which describes the physical spacing between pixels on the screen itself.

In Sweden, digital outdoor campaigns often run across mixed screen estates and environments: commuter-heavy locations in Stockholm, street furniture in Gothenburg, retail and mobility environments in Malmö, and smaller but affluent university-led audiences in Uppsala and Lund. That means a single campaign may appear on screens with different dimensions, viewing distances and brightness conditions. A creative that looks crisp on one panel can feel crowded or soft on another if the resolution has been handled poorly. This is especially relevant as Swedish out-of-home continues to grow; IRM reports that out-of-home advertising investment in Sweden reached SEK 2,192 million in 2024, up 13.5% year on year, which increases competitive pressure on creative quality and production discipline.

Marketers often confuse resolution with pixel pitch. Resolution is the total pixel count available in the file or screen layout. Pixel pitch is the physical distance between LEDs or pixels on the hardware, which affects perceived sharpness at different viewing distances. In central Stockholm or Gothenburg, where pedestrians may be close to an Adshel or transit display, fine detail matters more than on a large-format roadside screen viewed from farther away. In other words: resolution governs the digital asset, while pixel pitch governs how that asset is physically rendered. The two work together, and both should be checked before production sign-off.

Swedish media owners publish material specifications per format rather than using one market-wide standard. Bauer Media Outdoor, for example, lists 1080 × 1920 pixels for its Stockholm Digital Adshel portrait format, while JCDecaux Sweden publishes other screen-specific requirements, including stretched landscape and curved formats for high-impact transit environments. That is why experienced buyers do not ask only for 'high-resolution artwork'; they ask for the exact production spec for each booked format. The safest workflow is to build masters from the official spec sheet for each owner and each product, then adapt by environment rather than force one generic file across every screen.

For a busy Swedish marketing manager, the test is simple: can the message be understood in a second or two while people move through the city? Good resolution supports that by keeping headlines crisp, logos clean and product imagery stable. But resolution alone does not rescue weak DOOH design. In Nordic winter light, dark afternoons and reflective urban settings, simple layouts, strong contrast and restrained copy usually outperform visually dense assets. In city centres such as Malmö and Lund, where dwell time can vary sharply between transit, retail and street environments, clarity usually beats complexity.

If your campaign will extend beyond Sweden into Norway, Denmark or Finland, assume that screen networks, operating standards and accepted file specs will vary by owner and format. Keep the master idea consistent, but version the creative by market and placement. In Sweden, start by grouping screens by orientation, aspect ratio and viewing distance, then check local delivery rules, animation limits, file size and deadlines with the media owner or programmatic platform. Resolution should be treated as a planning variable, not just a design export setting.