A series of Ce3+, Tb3+, Eu3+ tri-doped Ba2Y(BO3)(2)Cl redemitting phosphor have been synthesized by solid-state method. The Ce3+ -> Tb3+ -> Eu3+ energy-transfer scheme has been proposed to realize the sensitization of Eu3+ ion emission by Ce3+ ions. Following this energy-transfer model, near-UV convertible Eu3+-activated red phosphors have been obtained in Ba2Y(BO3)(2)Cl: Ce3+, Tb3+, Eu3+ phosphors. Energy transfers from Ce3+ to Tb3+, and Tb3+ to Eu3+, as well as corresponding energy-transfer efficiencies are investigated. The combination of narrow-line red emission and near-UV broad-band excitation makes Ba2Y(BO3)(2)Cl: Ce3+, Tb3+, Eu3+ as a novel and efficient red phosphor for NUV LED applications.