... voltage DCEL, AC voltage ACEL, thin film EL, thick film EL, organic EL low-electrol light emitting ... diode LED,OEL or OLED, silicon base Luminescent, semiconductor laser ... phosphor,γ Radial phosphor, scintillation crystal X-ray Luminescent X-ray storage phosphor x-ray intensifying phosphor, x-ray CT scanning phosphorTriboluminescence single crystal, ...