James P. Mitchell is widely credited as the inventor of the first LED display, which he created in 1977. On March 18, 1978, the first LED display prototype was unveiled to the public at the SEF (Science and Engineering Fair) in Iowa. On May 8, 1978, it was screened again at the SEF in Anaheim, California. Nowadays LEDs are used generally everywhere. In Pakistan, LED monitors are found in every office, home and industry. Due to that much consumption the price of LED monitors in Pakistan are high but global computers provide these at the most economical price.