Keywords: FirstLEDBiard1.png en Diagram of the tunnel diode which ended up being the first LED 2013-09-30 16 04 22 James R Biard James R Biard Jcb Custom license marker 2013 09 30 James R Biard the creator and sole owner of the exclusive copyright of the attached image used in US Patent 3293513 “ the Semiconductor Radiant Diode which shows a diagram of the tunnel diode the first IR LED wrote permissions-commons wikimedia org on September 23rd 2013 giving his permission copyright license James R Biard for the picture to be used on Wikipedia Uploaded with UploadWizard Engineering Light-emitting diodes |