Fig. 7: pc-WLEDs applications for CEGO. | Light: Science & Applications

Fig. 7: pc-WLEDs applications for CEGO.

From: Thermally stable and highly efficient red-emitting Eu3+-doped Cs3GdGe3O9 phosphors for WLEDs: non-concentration quenching and negative thermal expansion

Fig. 7

EL spectra and device photos of (a) CEGO + n-UV chip, (b) pc-WLED-1 device (n-UV chip + blue BAM:Eu2+ + green (BaSr)2SiO4:Eu2+ + red CEGO) and (c) pc-WLED-2 (n-UV chip + blue BAM:Eu2+ + green (BaSr)2SiO4:Eu2+ + red K2SiF6:Mn4+). d CIE chromaticity coordinate diagram of two pc-WLED devices and red phosphors

Back to article page