Design
Manufactured by Sony, the JumboTron is recognized as one of the largest non-projection video displays ever manufactured. Originally, it was not an LED (light-emitting diode) display — each display consisted of multiple modules composed of 16 or more small flood-gate CRTs (cathode ray tubes), each of which included two to 16 pixels composed of green, red, and blue phosphors. Sony displayed one of the earliest versions at the Expo '85 World's Fair in Tsukuba. Sony creative director Yasuo Kuroki is credited with the development of the JumboTron. Eventually, JumboTron systems adopted LED technology. LED based systems have about 10 times the lifespan of CRT based systems, a key reason for the change.
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