What is the difference between an lcd and led technology?Who were the main inventors of both.Please give as much details as possible. ?

Answer :In case of LCD and LED tv, lcd do not produce light by self,but through external source i.e. CCFL which cold cathode fluorescent lamps and that in led displays it is done through led(Light Emitting Diode).led displays are more efficient as they are modified version of lcd displays and requires less light to produce pictures on display screen.Many people made inventions and lots of experiments of lcd some of them are Charles Mauguin in1911 first experiments on liquid crystals in yhin plates.Then the effect of lcd technology was brought in notice in1927 by Vsevolod Frederiks.his invention was called as Frederiks\'s transition.George Gray invented both LCD &LED in 1970.