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The synthesis and characterization of phosphors used for white LED were paid more attention with the development of preparation technology in white LED. Because the properties of red phosphors excited by blue and ultraviolet rays can affect directly the color temperature and color rendering of white LED. which result the limitation of red phosphors applied nowadays, it’s necessary to find a new red phosphors for white LED.A series of tungstate-based stable white phosphors M1-xEuxWO4（M=Ca, Mg, Zn） ,Ca1-x-yByEuxWO4（Ln= Tb,Sm,Bi,Dy） were prepared by hydrothermal process, The factors that affect the luminescent properties,such as the composition of ground substance and co-doping ion.There are characteriatic emission peak at 616nm which ascribe to Eu3+. Thiis kind of phisphors can emission white light. The best phosphors can be obtained When the Eu3+ doping concentration x=0.003 .and the CIE is x=0.3602 and y=0.3528, This point is close to standard white point. When the doping concentration of Mg2+and Zn2+ is 60%, the phase of the phoshors become not pure.And the doping of Mg has no useness to increase the luminous intensity.but proper Zn-doping can increase luminous intensity.This kind of phosphors can be used a s WLED which excitied by 395nm.Then another series of tungstate-based stable red phosphors M2-2xEu2xWO6（M=Gd,Y,La）were prepared by sol-gel process. The factors that affect the luminescent properties, such as doping concentration of Eu3+ ,the reaction temperatures,time,the doping concentration of CA and PEG were studied. And we obtain Gd1.5Eu0.5WO6 which has the best luminescent properties.And the most appropriate temperatire is 1000℃,most appropriate time is 4h, and CA:Me=3:1 is the most appropriate ratio,0.03g/ml is the most appropriate PEG-doping. Samples prepared by hydrothermal process and sol-gel process were good former, size distribution uniform,good luminescence,low temperature.
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