The Different Display Technologies in the world explained, CRT vs Plasma vs LCD vs OLED
CRT I would like to start by stating here clearly that there are no LED tvs, yes, that 45 inch screen you bought with LED written all over it is actually an LCD screen. Currently, there are four main display technologies in use in the world, the famous CRT (Cathode Ray Tube), Plasma, LCD and OLED (Notice there’s no LED display technology. Do not confuse OLED and LED, the first is a true display technology in use while the latter is simply a back-lighting option in LCD screens) CRT is the oldest of the display technologies which uses a Cathode Ray to illuminate a fluorescent screen. Basically, a cathode ray (fast moving electrons) is made to move very fast both vertically and horizontally at the same time, hitting a screen that illuminates (when hit by electrons) at such a rate that it creates a moving picture. The “kisogo”(you would think the entire English language would have a definite name for the back of your head but No!) you see on your CRT screens is made of the cathode,