Fig. 8.
(a) The relative lumens and (b) normalized luminous efficacy as a function of the viewing angle for a conventional powder-based LED and a large micro-size cube-based LED taken under identical excitation conditions (current at 300 mA).
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.