LED Video Display- Supporting Creative Design Possibilities

Rachel Smith, Applied Technology Review | Monday, January 25, 2021

Initially introduced for indoor critical viewing applications under high-ambient environment, light emitting diode (LED) technology has evolved significantly over the years. Today, it comes with lesser cost and reduced pixel pitch that enables higher resolution.

An LED display consists of tiles whose length and breadth is much higher than depth. The viewer facing tile side comprises of very fine LED clusters that produce points of lights when connected to a processor. The specialized processor regulates each point’s color and brightness.

Following are some of the creative designs that can be carved out of LEDs:

1. Curvature

In the standard setup, one tile is locked with the next tile and the next tile is locked with another tile and so on. The easiest method to build this creative design is to unlock the tiles and rearranging them to produce a concave or a convex arc.

2. Circular and Diagonal arrays

There are two ways to achieve LED designs with edges that are not horizontal or vertical. The first way is to implement a stair-step configuration and masking the boundaries according to the desired patterns. The other method is to use the customized tiles that can be attached to produce the required shape.

3. Floors, Ceilings, and Walls

Creating an LED laced wall is not difficult as all LED displays are designed for this. However, the ceiling and floor LEDs have close pixel pitch. The LEDs used for the floor is covered with translucent plastic panels that can bear considerable weight without damaging the LEDs.

4. 3D Designs

The previous methods can be combined to produce 3-D objects such as cylinders, blocks or spheres. The most important consideration is to ensure the mechanical alignment of the tiles required for a particular 3-D object.

5. Kinetics

Modern stage automation can be used to provide dynamic motion to LED displays. This is often used to project the stage with dramatically contrasting colors. It supports upstage/downstage, left/right, and vertical motions.

6. Mix and Match Resolutions

Various LED components can be used in combinations to create unique video effects. A single LED strip can be combined with a standard LED display to create a unique look. Also, LEDs with different pixel pitch can provide display layers with different image coherence levels.

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