Red phosphor and its forming method for use in solid state lighting

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Near ultraviolet, blue light, green light of La excited efficiently by providing a Ti and a solid state lighting for red fluorescent substance and is disclosure is manufacturing method. A red phosphor for solid state lighting Ti and La includes a rare earth element oxide-based. Wherein, rare earth element Eu, Er, Dy, Sm, Tb, Ce, Gd, Nd, Dy, Ho selected from the group consisting of one or more can take the combination of. La and Ti oxide La 2 TiO 5, LaTi 2 O 9 and La 4 Ti 9 O 24 can be selected in. Solid state lighting red phosphor for using an inexpensive raw material, atmospheric sintered solid in air using method may be prepared in temperature range 1, 000 °C -1, 500 °C metal electrode is. and reduce manufacturing cost.