Figure 3.
(a) the EL spectrum of W21 (1000 cd m–2). (b) CE and PE for W22. Inset: the EL spectrum of W22 (1000 cd m–2).
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.