Abstract: A luminous nano-glass-ceramics used as white LED source and the preparing method of nano-glass-ceramics are provided. The glass is a kind of non-porous compact SiO2 glass in which luminous nano-microcrystalites are dispersed. The luminous nano-microcrystalite has the chemical formula of YxGd3-xAl5O12:Ce, wherein 0?x?3. The stability of the said glass is good and its irradiance is uniform. The preparing method comprises the following steps: dissolving the compound raw materials in the solvent to form mixed solution, dipping the nano-microporous SiO2 glass in the solution, taking it out and air drying, sintering at the temperature of 1100-1300° C. for 1-5 hours by stage heating, and obtaining the product. The method has a simple process, convenient operation and low cost.

Abstract: A preparation method of rare earth ions doped alkaline earth metal silicate luminescent glass is provided. The steps involve: step 1, mixing the source compounds of cerium, terbium and alkaline earth metals and putting the mixture into solvent to get a mixed solution; step 2, impregnating the nanometer pores glass with the mixed solution obtained in step 1; step 3: calcining the impregnated nanometer pores glass obtained in step 2 in a reducing atmosphere, cooling to room temperature, then obtaining the cerium and terbium co-doped alkaline earth metal silicate luminescent glass. Besides, the rare earth ions doped alkaline earth metal silicate luminescent glass prepared with aforesaid method is also provided. In the prepared luminescent glass, cerium ions can transmit absorbed energy to terbium ions under the excitation of UV light due to the co-doping of cerium ions. As a result, the said luminescent glass has higher luminous intensity than the glass only doped with terbium.

Abstract: A rare earth ion doped silicate luminescence glass and preparation method thereof are provided. The luminescence glass is the material with the following formula: aM2O.bM?2O3.cSiO2.dRE2O3, wherein M is at least one of Na, K and Li, M? is at least one of Y, Gd, La, Sc and Lu, RE is at least one of Ce, Tm, Tb, Ho, Dy, Er, Nd, Sm, Eu and Pr. The preparation method is: grinding the raw material until mixed uniformly, calcining the raw material at 1200-1500° C. for 1-5 h, cooling to room temperature, annealing at 600-1100° C. for 0.5-24 h, cooling to room temperature again, molding then getting the product. The performance of the product is stable. The product is homogenous, and the luminescence performance is good. The light transmittance is high. The process of the preparation method is simple and with low cost.

Abstract: A green light-emitting glass and the method of preparing the same are provided. The components with parts by mole of the green light-emitting glass are alkali oxide 25-40, Y2O3 0.01-15, SiO2 40-70, Tb2O3 0.01-15. The method of preparing the glass includes mixing alkali salt with Y2O3, SiO2 and Tb4O7, firing the mixture at 1200° C.-1500° C. for 1-5 hours, cooling the precursor to the room temperature and annealing the precursor in a reducing atmosphere at 600° C.-1200° C. for 1-20 hours. A green light-emitting glass with good transparence, high uniformity, easily being made into big bulk and high stability is provided. The process of capsulation of parts by using the glass is simple. And a method of preparing the glass with simple process and low cost is provided.

Abstract: A silicate fluorescent material is provided. The general chemical formula of the luminescent material is Ln2SiO5:Tb, M, wherein Ln represents at least one of the elements selected from Y, Gd, La or Lu, M represents at least one of the nanoparticles selected from Ag, Au, Os, Ir, Pt, Ru, Rh or Pd, the mole ratio of Tb to Ln is greater than 0 but not greater than 0.25. The porous glass containing metal nanoparticles is prepared by introducing metal nano ions into the porous glass and extracting the uniformly dispersed metal nanoparticles from the porous glass via a chemical reduction method. A silicate fluorescent material with enhanced luminescence is obtained by substituting SiO2 which is the raw material in the process for preparing the silicate fluorescent material via the conventional high temperature solid phase sintering with the porous glass containing metal nanoparticles.

Abstract: A preparation method of rare earth ions doped alkali metal silicate luminescent glass is provided. The steps involves: step 1, mixing the source compounds of cerium, terbium and alkali metals and putting the mixture into solvent to get a mixed solution; step 2, impregnating the nanometer micropores glass with the mixed solution obtained in step 1; step 3: calcining the impregnated nanometer micropores glass obtained in step 2 in a reducing atmosphere, cooling to room temperature, then obtaining the cerium and terbium co-doped alkali metal silicate luminescent glass. Besides, the rare earth ions doped alkali metal silicate luminescent glass prepared with aforesaid method is also provided. In the prepared luminescent glass, cerium ions can transmit absorbed energy to terbium ions under the excitation of UV light due to the co-doping of cerium ions. As a result, the said luminescent glass has higher luminous intensity than the glass only doped with terbium.

Abstract: A quantum dot-glass composite luminescent material is provided, the base of which is nanometer pore glass. The nanometer pore glass is doped with luminescent quantum dot. A manufacturing method for the luminescent material is also provided, which includes: step one, preparing an aqueous or organic solution of a single luminescent quantum dot, or a mixed aqueous or organic solution of two or more luminescent quantum dots; step two, immersing the nanometer pore glass in the solution of step one for at least ten minutes; step three, taking the immersed nanometer pore glass out of the solution and drying it in the air, wrapping and packaging the nanometer pore glass with resin, and obtaining the quantum dot-glass composite luminescent material after solidifying it. The composite luminescent material and manufacturing method thereof are suitable for industrialization and have a broad application in the fields of illumination, LED, display and so on.

Abstract: The present invention relates to a white light luminescent device based on purple light LED. The white light luminescent device includes a housing, a support plate, at least one purple light LED semiconductor light source, and a piece of high silica luminescent glass. The support plate is received in the housing. The at least one purple light LED semiconductor light source is positioned on the support plate. The piece of high silica luminescent glass doped with Eu ions is opposite to the purple light LED semiconductor light source. One surface of the high silica luminescent glass away from the purple light LED semiconductor light source is coated with a phosphor layer formed with a selection from a mixture of yellow phosphor and red phosphor, a mixture of green phosphor and red phosphor, and yellow phosphor.

Abstract: A luminous nano-glass-ceramics used as white LED source and the preparing method of nano-glass-ceramics are provided. The glass is a kind of non-porous compact SiO2 glass in which luminous nano-microcrystalites are dispersed. The luminous nano-microcrystalite has the chemical formula of YxGd3-xAl5O12:Ce, wherein 0?x?3. The stability of the said glass is good and its irradiance is uniform. The preparing method comprises the following steps: dissolving the compound raw materials in the solvent to form mixed solution, dipping the nano-microporous SiO2 glass in the solution, taking it out and air drying, sintering at the temperature of 1100-1300° C. for 1-5 hours by stage heating, and obtaining the product. The method has a simple process, convenient operation and low cost.

Abstract: A semiconductor light emitting package includes a substrate, an encapsulating material, a semiconductor light emitting chip disposed on the substrate, wires; and an integrated glass-fluorescent powder compound light-emitting structure. The encapsulating material and the integrated glass-fluorescent powder compound light-emitting structure are packaged on the semiconductor light emitting chip, the integrated glass-fluorescent powder compound light-emitting structure is coated on the encapsulating material. The semiconductor light-emitting package has a large light-emitting area, high uniformity which can effectively avoid “halo” phenomenon, and long working life. The present invention also relates to a method for manufacturing semiconductor light emitting package, which can be implemented at low temperature and improve the reliability and the stability of the light-emitting property of the compound light-emitting structure.

Abstract: A rare earth ion doped silicate luminescence glass and preparation method thereof are provided. The luminescence glass is the material with the following formula: aM2O.bM?2O3.cSiO2.dRE2O3, wherein M is at least one of Na, K and Li, M? is at least one of Y, Gd, La, Sc and Lu, RE is at least one of Ce, Tm, Tb, Ho, Dy, Er, Nd, Sm, Eu and Pr. The preparation method is: grinding the raw material until mixed uniformly, calcining the raw material at 1200-1500° C. for 1-5 h, cooling to room temperature, annealing at 600-1100° C. for 0.5-24 h, cooling to room temperature again, molding then getting the product. The performance of the product is stable. The product is homogenous, and the luminescence performance is good. The light transmittance is high. The process of the preparation method is simple and with low cost.