
1. Degradation – Degradation is when a LED sign begins to lose 20% of its brightness, which often occurs during the first 2 to 3 months of usage, or a total of 2000 hours of use. A LED diode’s degradation after that slows down, so slow that it is unnoticeable to the human eye, and eventually dies after 100,000 hours of operation.
2. LED Diode Density – The density of LED diodes reflects the general performance of a LED sign. Generally speaking, the more LED diodes per unit area, the brighter a LED sign will operate, thus giving better performance.
3. Matrix Resolution – The matrix resolution basically defines how many pixels are available on the LED sign. For example, an LED sign with a 320x480 resolution means that there are 480 pixels from side to side and 320 pixels from the top to the bottom. A higher matrix resolution will yield better performance, giving images a better display.

5. Pixel – Short for “picture element”, pixels are the image components of a LED sign’s overall resolution. More pixels equate to higher resolution which in turn produces a greater picture quality. Grayscale or monochrome LED signs have one or more LED diodes of the same color while color LED displays have LED diodes of different colors or a single diode with semi-conductor chips that emit light with different colors.
6. Viewing Angle – Diodes emit either a single, narrow beam or a wider array just like a bulb. High-beam diodes produce a narrow angle, focusing on a single spot whereas wide angle diodes have a wider range of light across a horizon.
These are the most common LED sign jargons you will encounter when choosing a LED sign. Knowing what these terms mean will help you decide the type of LED sign that is appropriate for your business.
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