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3.9mm Curved LED Display Ring in a Dubai Sports Store: Dynamo Case Study

Dynamo LED Displays installed more than 60 square metres of LED in an international sports retailer’s store in Dubai. The focal point is a curved 3.9mm LED ring of 58 cabinets, 500 mm wide by 512.5 mm high, arranged 29 wide by 2 high above the central footwear podium, built from Dynamo’s curving cabinets with magnetic front-service modules.

Updated October 2026. Case study first published May 2016.

Project facts

ClientAn international sports retailer, for its store in Dubai, United Arab Emirates
Total LEDMore than 60 m² across the store, including the curved ring and LED tickers
Curved display3.9mm pixel pitch cabinets, 500 mm wide × 512.5 mm high, 29 × 2 array (58 cabinets), formed into a ring over the central podium
Cabinet designCurving cabinets that bend at the middle and at each end, convex or concave, up to 15 degrees per 500 mm
ServiceabilityMagnetic LED modules; quick-release receiver card and power supplies at the rear
ScopeSupply and installation of the curved display, tickers and the other LED in the store

The brief: a centrepiece for a flagship sports store

The store is laid out around a central footwear podium, and the retailer wanted something above it that would pull shoppers in from the entrance and give the campaign content a stage. A flat LED video wall on one wall would not have done that. Dynamo proposed a continuous ring of LED suspended over the podium, visible from every aisle, with further LED tickers and headers around the floor.

What Dynamo installed

A 3.9mm ring of 29 × 2 curving cabinets

The ring is built from 3.9mm cabinets measuring 500 mm wide by 512.5 mm high, 29 around and 2 high. Dynamo’s curving cabinets hinge at the middle and at each end, so each one can be set to a convex or concave angle of up to 15 degrees per 500 mm. Set to a little over 12 degrees each, the 29 cabinets close into a full circle, giving one continuous curved picture around the whole ring.

Curved 3.9mm LED ring suspended above a circular footwear podium in a Dubai sports store, playing purple and blue campaign content with Show Them You branding below
The LED ring above the central podium, from Dynamo’s video of the store.

Fast to fit, fast to service

The cabinets connect and lock to each other without tools, which kept the time on a live shop floor short. The LED modules are magnetic and lift off the front, and the receiver card and power supplies at the back are quick-release, so a module or a power supply can be swapped in minutes without taking the ring apart. The same cabinet family is available from 3mm pitch upwards.

More than 60 m² across the store

The ring is the focal point, but the store carries more than 60 m² of LED in total, including LED tickers that run brand messages along the fixtures. The video above shows the ring and the tickers playing together. Content runs from a central player so a campaign change reaches every screen at once.

Current Dynamo options for a curved retail LED display

Today Dynamo builds curved retail displays three ways: flexible modules for tight radii and rings, standard front-service modules faceted around a gentle curve, and curved cabinets for larger formats. DIT Pro figures are from the supplier specification and DX figures from the DX Series datasheet; the DFX module size is from its specification. No prices are given here. The flexible LED screens guide explains how the flexible modules bend, and the LED shopfront page covers retail formats.

OptionPixel pitchModuleSuited to
DFX flexible modules1.86mm320 × 160 mm flexible moduleRings, columns, tight curves viewed up close
DIT Pro P1.91.95mm250 × 250 mm front-service module, 128 × 128 pxGentle curves faceted in 250 mm steps, product close-ups
DX3.93.9mm250 × 250 mm module, 64 × 64 pxLarge curved headers and rings read from across the floor

Dynamo in the UAE

Dynamo LED Displays supplies and installs LED across the UAE from a Dubai-based team, with design and remote monitoring handled from the UK. Local enquiries go through Dynamo LED Displays UAE. Other Dynamo retail and curved projects:

Curved LED displays in retail: frequently asked questions

How is a curved LED display built?

Either from cabinets that hinge to a set angle, from flexible modules fixed to a curved frame, or from flat modules faceted in small steps around the curve. The Dubai ring used hinged 500 mm cabinets set to just over 12 degrees each, so 29 of them close into a circle. The method is chosen from the radius, the viewing distance and whether the curve is convex or concave.

What pixel pitch does a curved retail display need?

Match the pitch to the closest viewing distance. A ring or header above head height, read from a few metres away across a shop floor, works at 2.5mm to 3.9mm. A curved screen that customers stand next to, such as a column or a counter front, needs 1.9mm or finer so the picture stays sharp at arm’s length.

Can a curved LED screen form a complete circle?

Yes, if the cabinet or module angle divides evenly into 360 degrees and the frame carries the load. The Dubai ring is 29 cabinets of 500 mm, each set to a little over 12 degrees. Flexible modules make smaller circles and columns possible, down to a radius measured in tens of centimetres.

How is a suspended LED ring maintained?

From the front. Magnetic modules lift off the face of the cabinet, and the receiver card and power supplies behind are quick-release, so a fault is fixed from a platform under the ring without dismantling it. Spare modules are kept on site, and the system reports a failed module or power supply to the operator.

Does Dynamo install LED displays in Dubai?

Yes. Dynamo has a Dubai-based installation team and a UAE site for local enquiries. Projects in the region include this sports store, the RAK Ceramics showroom wall, the Terminal 3 arrivals LED at Dubai International Airport and a curved 1.5mm wall in an Abu Dhabi marketing suite.

Get a quote for a curved LED display

Send us the shape, the dimensions, the viewing distance and the site, in the UK or the UAE, and we will come back with a build method, a pixel pitch and a written quote. Get a quote or call 020 3489 9878.

Daniel Reynolds
Daniel Reynolds

Daniel Reynolds is Managing Director and founder of Dynamo LED Displays (est. 2013). He leads the specification and delivery of LED display solutions, with expertise in IP networking and both synchronous and asynchronous LED video systems across a range of control environments, including NovaStar and Brompton. Daniel also works as an LED consultant on international projects, supporting clients with system design, technical due diligence, and delivery planning. 

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