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How to choose pixel pitch for an LED sphere

DOIT VISION Ingeniørteam

Choose an LED sphere pixel pitch for the detail people must see from their normal viewing positions. Diameter alone is not enough. Compare the available configurations with representative content, and use the actual module layout to confirm native pixels and the playback canvas.

Start with the normal viewing positions

Visningsforhold Hva du bør gjennomgå
Visitors approach closely Small text, fine lines, edges and the visible pixel structure at the nearest normal stop.
Visitors pass along several sides Readable content zones and changes in perspective around the curved surface.
Visitors see a distant feature Overall image recognition, logo size and contrast from the actual route.

Record the closest expected position and the positions that matter most to the brief. A viewing-distance rule can be an initial screening tool, but it cannot account for the content, audience expectations and curvature of a particular installation.

Compare the configurations available for the LED sphere display after those viewing conditions are clear.

Test the detail that carries the message

For a brand installation, send the smallest logo and text treatment you expect to use. For scientific or museum content, include the finest lines and labels. For decorative animation, provide a short sequence with representative texture, contrast and motion.

Review content at its intended scale on the proposed surface. A larger logo or simpler composition may improve legibility without changing the pitch. Where detail is essential, compare the finer-pitch option using the same content and viewing positions.

Detail of curved sphere LED display modules
Module geometry and pixel layout need to suit the curved surface.

Confirm the actual pixel layout

Pixel pitch is the nominal spacing between adjacent pixels. A finer pitch generally provides more pixels over a comparable display area, but the exact sphere layout depends on its module shapes and assembly.

Do not treat circumference divided by pitch as the delivered horizontal resolution. Poles, seams, module boundaries and any non-display areas must be represented in the approved map. Ask for native pixel count, canvas dimensions, orientation and the mapping information the content producer needs.

Sphere display frames and electrical assemblies during production
The selected diameter and module arrangement determine the assembled display layout.

Compare configurations on the same quotation basis

These confirmed DOIT VISION examples are for complete 1m indoor spheres, including the control system. Prices are USD per set, EXW, rounded to the nearest hundred.

Konfigurasjon LED / driver Lysstyrke EXW / set
1m / P2 SMD1515 / ICN1065S 600 nits US $ 7,600
1m / P2.5 SMD2121 / ICN1065S 600 nits US $ 3,600

The price difference applies to these two configurations; it is not a universal surcharge for choosing P2. Other equipment, accessories and services are determined by the project configuration and formal quotation. Use the sphere price guide for further confirmed examples.

Send a sample for configuration review

Provide the diameter, environment, nearest and main viewing positions, sample content and budget basis. Identify which details must remain readable. Request the proposed pitch and pixel map together, then agree how the sample will be evaluated.

Request a sphere configuration comparison when you have those inputs. If the content is still being developed, send the intended use and draft artwork so the next review can focus on the details that matter.

FAQ
What is the best pixel pitch for an LED sphere?
The best pitch is the available configuration that shows the required detail from the intended viewing positions within the project budget. Start with the sphere diameter, environment and sample content. Review fine text, logos or graphics at their intended scale, then compare the proposed module layout and playback canvas rather than selecting pitch from a single distance formula.
Does a bigger sphere require a larger pixel pitch?
A bigger sphere does not automatically require a larger pixel pitch. Diameter changes the physical image area, while the required detail and viewing positions determine what viewers need to resolve. Available module designs and budget also matter. Select a supported diameter and pitch combination, then verify its actual pixel layout and representative content before finalizing the configuration.
Can viewing distance alone determine the pixel pitch?
Viewing distance is an important input, but it does not describe the content, its scale or how people approach a curved display. A simple animation and small labels can have different requirements at the same distance. Use the nearest normal position and other important viewing angles to review sample material, then compare suitable configurations with the same evaluation conditions.
How is the resolution of a sphere display confirmed?
Confirm resolution from the approved module layout and pixel map for the selected sphere. Ask for the native pixel count, canvas dimensions, installed orientation and mapping information. Circumference divided by nominal pitch is not a reliable delivered resolution specification because the actual arrangement includes shaped modules, poles, seams and any areas outside the active image surface.
How do the 1m P2 and P2.5 configurations compare in price?
The confirmed 1m indoor P2 example is US$7,600 per set EXW, and the 1m indoor P2.5 example is US$3,600 per set EXW. Both are specified at 600 nits and include the control system. The difference applies to these configurations only. Other equipment, accessories and services are determined by the project configuration and formal quotation.
What content should I send for a pixel-pitch recommendation?
Send a representative image or short video, the smallest important text or logo, and the intended physical sphere size. Include the nearest and main viewing positions, indoor or outdoor conditions and the budget basis. If content is unfinished, explain the visual task and provide draft artwork so the configuration review can focus on the details that must remain clear.

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