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LED Display Guide: Our Technical Articles

Each LED display guide on this page answers one precise question: which refresh rate to aim for, which IP rating to pick, how to prepare content or read a certification. The articles are written by the Artixium technical team and show their last update date.

All our guides

History of LED: From the First Red Diode to Full-Colour Screens
12 October 2026

History of LED: From the First Red Diode to Full-Colour Screens

From the first red LED in 1962 to the Nobel Prize-winning blue LED, the history of LED explains why bright, full-colour LED screens have only existed since the mid-1990s.
LED Display EMC: Class A or Class B, Which Do You Need?
18 September 2026

LED Display EMC: Class A or Class B, Which Do You Need?

As LED screens move into meeting rooms and homes, Class A EMC is no longer always enough. Learn the difference with Class B and why test conditions matter.
MicroLED: Why the Red LED Is Still the Challenge for LED Displays
25 August 2026

MicroLED: Why the Red LED Is Still the Challenge for LED Displays

Red, green and blue LEDs are not made of the same material. Why red is the great MicroLED challenge, and how a single LED able to produce every colour could change the pixel.
Flip Chip LED: Why It Is the Future of Outdoor LED Displays
3 July 2026

Flip Chip LED: Why It Is the Future of Outdoor LED Displays

No more bond wires: a flip chip LED is soldered directly under the die. Better light, less heat and fewer weak points make it the future of outdoor LED displays.
LED Screen Contrast: Why It Matters More Than Brightness
26 June 2026

LED Screen Contrast: Why It Matters More Than Brightness

Deep blacks matter more than extra nits. Find out what LED screen contrast really measures, why ambient light changes everything and how to compare contrast ratios.
COB LED Technology: How Chip-on-Board LED Screens Work
25 March 2026

COB LED Technology: How Chip-on-Board LED Screens Work

How Chip-on-Board works, what it changes compared with SMD and the projects where it makes a difference.
LED Refresh Rate: Definition and Why It Matters
20 August 2025

LED Refresh Rate: Definition and Why It Matters

What this value measures, how to read it on a datasheet and which level to aim for when the screen is filmed.
IP Rating LED Screen Guide: How to Read and Choose It
16 July 2025

IP Rating LED Screen Guide: How to Read and Choose It

Read the two digits, pick the right level for the site and avoid the mistakes that cost money.
Black Face vs Full Black Face: Which LED Screen Should You Choose?
18 April 2025

Black Face vs Full Black Face: Which LED Screen Should You Choose?

Contrast, brightness and use cases: what sets the two LED types apart and how to decide for your venue.
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How Should You Use This LED Display Guide?

The articles in this LED display guide are grouped by need. To compare screens, start with the refresh rate, the IP rating and contrast. To understand LED technologies, read the guides on COB LED technology, GME technology, flip chip LED and MicroLED.

For a specific project, see how to choose an LED screen for events, size the video processor, check EMC and certifications.

Frequently asked questions

LED display guide: LED cabinet with a close-up of an SMD LED

The Artixium technical team, based on our projects and on data from component manufacturers. Each guide shows its last update date.

If you are new to the subject, start with the guide to LED display content, which explains how a screen builds its image, then read the one on refresh rate.

Yes, every guide exists in English and French. The language switcher sits at the top of the page.

Contact us: your question could become the topic of a future LED display guide.

Wikipedia offers an overview of the LED display. Our guides go further on selection criteria.

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