Display Systems & Visual Technology

Video Walls

Narrow-bezel LCD arrays and LED walls with the processing behind them, mounted so a failed tile can be reached without dismantling the wall.

A video wall is a structural and thermal installation as much as a display one. The array's weight is carried by a mounting structure that has to be both flat within tight tolerance and serviceable, because a tile that fails in the middle of a nine-panel array has to come out without the eight around it being removed. Mounts that allow individual tiles to be pulled forward are the difference between an hour's work and a day's.

The choice between narrow-bezel LCD and LED is usually decided by viewing distance and by whether seams are acceptable. LCD arrays are cheaper and sharper close up but always show a grid; fine-pitch LED has no seams at all but its pixel pitch sets a minimum viewing distance below which the image visibly breaks into dots.

Processing is the part that gets underestimated. Driving a wall as one canvas, or as several independent windows, or as a mix, requires a controller specified for the source count and layout — and retrofitting a more capable one later is often a bigger job than the panels were.

What this covers

  • LCD arrays and LED walls

    Narrow-bezel LCD for close viewing and cost, fine-pitch LED where seams are unacceptable — chosen against the real viewing distance.

  • Wall processing

    Controllers sized for the source count and the layouts required, whether one canvas, tiled windows or both.

  • Serviceable mounting

    Structures with individual tile access and adjustment, so alignment can be corrected and a single failure replaced in isolation.

  • Calibration

    Colour and brightness matched across tiles at commissioning and re-checked, because panels drift at different rates.

  • Source integration

    Feeds from control-room systems, surveillance platforms and presentation sources routed to the wall as required.

What we will ask you

These are the questions that decide the specification. Having the answers ready is what turns a first conversation into a real quotation.

  1. 01

    How close will people stand?

    Pixel pitch sets a minimum sensible viewing distance for LED. Too fine is wasted money; too coarse is visibly dotty.

  2. 02

    Can one tile be replaced alone?

    If the mounting does not allow it, every failure becomes a partial rebuild of the wall.

  3. 03

    How many sources, in what layouts?

    This decides the processor, and the processor is the hardest part to upgrade after installation.