Fig. 8: AC-LED applications for BLAGSO:Ce3+, Bi3+. | Light: Science & Applications

Fig. 8: AC-LED applications for BLAGSO:Ce3+, Bi3+.

From: Enhanced blue-light excited cyan-emitting persistent luminescence of BaLu2Al2Ga2SiO12:Ce3+, Bi3+ phosphors for AC-LEDs via defect modulation

Fig. 8

a The scheme of AC flicker compensation using PersL phosphors. b EL spectrum of BLAGSO:0.05Ce3+, 0.01Bi3+. Inset: the CIE chromaticity coordinate and AC-LED device images on and off states. c EL spectrum of the white AC-LED fabricated by commercial orange-red PersL phosphor SCS:Eu2+, as-prepared phosphor BLAGSO:0.05Ce3+, 0.01Bi3+, and a 425 nm InGaN chip. Inset: the CIE chromaticity coordinate and AC-LED device images on and off states. d Luminescence intensity variation during AC cycle

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