| http://www.w3.org/ns/prov#value | - In accordance with a feature of the invention, most of the bottom surface of the diode element 11 is bounded by air (or, alternatively, nitrogen or other material of low optical index), thereby minimizing the critical angle at the bottom surface and maximizing internal light reflection at the bottom surface and thus increasing the amount of useful light output from the top and sides of the diode e
|
