摘要:
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.
摘要:
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.
摘要:
Metal nano particles doped with silicate luminescent materials and preparation methods thereof are provided. The luminescent materials are represented by the general formula: (Sr1-x-yAxEuy)3SiO5:Dz@Mn, wherein A is one or two selected from alkaline-earth metal elements, D is F or Cl, @ is for coating, M is one or two selected from Ag, Au, Pt, Pd or Cu metal nano particles, 0≦x≦0.5, 0.001
摘要翻译:提供掺杂有硅酸盐发光材料的金属纳米颗粒及其制备方法。 发光材料由以下通式表示:(Sr1-x-yAxEuy)3SiO5:Dz @ Mn,其中A为选自碱土金属元素中的一种或两种,D为F或Cl,@为涂层,M为 一种或两种选自Ag,Au,Pt,Pd或Cu金属纳米颗粒,0 @ x @ 0.5,0.001
摘要:
Zinc manganese silicate containing metal particles luminescent materials and preparation methods thereof are provided. The said luminescent materials are represented by the general formula: Zn2-xSiO4: Mnx, My, wherein M is metal, 0.001≦x≦0.1, 0.00001≦y≦0.01. The said methods include the following steps: step 1, preparing silica aerogel containing metal particles; step 2, weighing source compound of zinc, source compound of manganese and the silica aerogel in step 1 at stoichiometric ratio and mixing them to form mixture; step 3, sintering the mixture in step 2, then cooling and grinding to form the said luminescent materials with higher luminescent intensity. The said methods have simple steps, easy operation, low sintering temperature and low cost.
摘要翻译:提供了含有金属锰酸锰的发光材料及其制备方法。 所述发光材料由以下通式表示:Zn2-xSiO4:Mnx,My,其中M是金属,0.001 @ x @ 0.1,0.00001 @ y @ 0.01。 所述方法包括以下步骤:步骤1,制备含有金属颗粒的二氧化硅气凝胶; 步骤2,在化学计量比下,在步骤1中称量锌源,锰源和二氧化硅气凝胶,混合形成混合物; 步骤3,在步骤2中烧结混合物,然后冷却和研磨以形成具有较高发光强度的所述发光材料。 所述方法操作简单,操作简便,烧结温度低,成本低。
摘要:
Borate luminous material is provided, wherein, comprises the compound of following structural formula: M2(Re1−xLnx)2B2O7, wherein x is in a range of 0
摘要:
Metal nano particles doped with silicate luminescent materials and preparation methods thereof are provided. The luminescent materials are represented by the general formula: (Sr1-x-yAxEuy)3SiO5:Dz@Mn, wherein A is one or two selected from alkaline-earth metal elements, D is F or Cl, @ is for coating, M is one or two selected from Ag, Au, Pt, Pd or Cu metal nano particles, 0≦x≦0.5, 0.001
摘要:
Zinc manganese silicate containing metal particles luminescent materials and preparation methods thereof are provided. The said luminescent materials are a blend of metal M nanoparticles and Zn2-xSiO4:Mnx, wherein M is one of Ag, Au and Pt, 0.001≦x≦0.1, 0.00001≦y≦0.01, y is the molar ratio of M to Zn2-xSiO4:Mnx. The said methods include the following steps: step 1, preparing silica aerogel containing metal particles; step 2, weighing source compound of zinc, source compound of manganese and the silica aerogel in step 1 at stoichiometric ratio and mixing them to form mixture; step 3, sintering the mixture in step 2, then cooling and grinding to form the said luminescent materials with higher luminescent intensity. The said methods have simple steps, easy operation, low sintering temperature and low cost.
摘要:
A luminescent element comprises: a luminescent substrate; and a metal layer with a metal microstructure formed on a surface of the luminescent substrate; the luminescent substrate comprises luminescent materials with a chemical composition of Y3AlxGa5-xO12:Tb, and 0≦x≦5. A preparation method of a luminescent element and a luminescence method are also provided. The luminescent element has good luminescence homogeneity, high luminescence efficiency, good luminescence stability and simple structure, and can be used in luminescent device with ultrahigh brightness.
摘要翻译:发光元件包括:发光基板; 以及在所述发光基板的表面上形成有金属微观结构的金属层; 发光基板包括化学组成为Y 3 Al x Ga 5-x O 12:Tb,0≦̸ x≦̸ 5的发光材料。 还提供了发光元件的制备方法和发光方法。 发光元件具有良好的发光均匀性,发光效率高,发光稳定性好,结构简单,可用于超高亮度发光装置。
摘要:
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.
摘要翻译:提供绿色发光玻璃及其制备方法。 具有摩尔比的绿色发光玻璃的组分是碱金属氧化物25-40,Y2O3 0.01-15,SiO2 40-70,Tb2O3 0.01-15。 制备玻璃的方法包括将碱金属盐与Y 2 O 3,SiO 2和Tb 4 O 7混合,将混合物在1200℃-1500℃下烧制1-5小时,将前体冷却至室温,并在还原 气氛在600℃-1200℃下保持1-20小时。 提供透明性好,均匀性好,容易制成大体积,高稳定性的绿色发光玻璃。 通过使用玻璃来封装部件的过程很简单。 并提供了一种以简单的工艺和低成本制备玻璃的方法。
摘要:
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. The performance of the silicate fluorescent material is better and the light emitting efficiency of the silicate fluorescent material is higher compared with the conventional silicate fluorescent material.