South Africa’s biggest forum. Discuss, discover, and connect with thousands of members.
http://72.14.253.104/search?q=cache...ing+diode+discovered&hl=en&ct=clnk&cd=4&gl=zaThe first report on light-emitting diodes, shown in Fig. 1.1, was published by Henry Joseph
Round (1907). Round was a radio engineer and a prolific inventor who, by the end of his career,
held 117 patents. These first light-emitting devices had rectifying current–voltage characteristics;