Russian Oleg Vladimirovich Losev successfully manufactured the world's first light emitting diode in 1927.
(light emitting diode). Rubin Braunstein, an American, discovered the infrared luminescence of LED in 1955. 196 1 year American Robert
Biard and Gary Pittman obtained the patent of infrared light emitting diode (LED). 1962 Nick from General Electric Company, USA
Holonyak Jr has successfully developed a practical visible light (red) light emitting diode (LED); 1972 Holonyak
Student M George crafoord (American) invented the first yellow light emitting diode (LED); 1976 T. P. Pearsall hair
Understand high efficiency and high brightness light emitting diode (LED);
Shuji Nakamura of Riya Company is at
1993 invented the world's first high-brightness blue light-emitting diode (LED); Shuji Nakamura won the championship in 2006.
Century Science and Technology Award (Finland).