Fig. 3From: Nanoparticle-Doped Polydimethylsiloxane Fluid Enhances the Optical Performance of AlGaN-Based Deep-Ultraviolet Light-Emitting DiodesSchematic and comparison of the four encapsulation structures: a DUV-LED (I), b DUV-LED (II), c DUV-LED (III), d DUV-LED (IV), e light output power under different encapsulation conditions, and f light output power with different SiO2 NP concentrations (%) in the PDMS fluidBack to article page