What is a Pixel? An Introduction to Displays

Pixels are the basic building blocks of all displays. Did you ever wonder how they work? In this video we look at how pixels work, define the two most common types of displays and look inside an OLED and QLED TV to learn more about display technology.

From phones to tablets to TVs, displays have become a super important part of our everyday lives. We use displays to connect with family and friends, for work and healthcare and entertainment. In fact, the average US household contains around 8 displays So, displays are all around us, every day, but, have you ever stopped to wonder, how do these things actually work?

There are many types of display in use today, all based on different technologies.
If you’ve ever shopped for a TV, you’ve probably heard many of the most common acronyms for them. But did you know that all displays, from the biggest stadium LED wall to the smallest smartwatch all have one thing in common?

The Pixel

Contents
0:00 – Intro
0:33 – The Pixel: Basic Building Block of All Displays
1:07 – What is a pixel?
2:00 – RGB Building Blocks
3:21 – Transmissive and Emissive Displays
5:48 – Garbage in, garbage out
6:55 – Quantum Dots, ideal RGB light source
7:31 – Look Inside Quantum Dot LCD and a WOLED TVs
9:10 – Transmissive vs Emissive, which is best?
9:47 – Wrap-up