Abstract:
A specific binding material labeled with an ultrafine inorganic phosphor 1 to 100 nm in particle size is disclosed The composition of the ultrafine inorganic phosphor is one of Ln.sub.2 O.sub.3 :Re, Ln.sub.2 O.sub.2 S:Re, ZnO, CaWO.sub.4, MO.xAl.sub.2 O.sub.3 :Eu, Zn.sub.2 SiO.sub.4 :Mn, and LaPO.sub.4 :Ce,Tb, wherein Ln represents at least one element selected from La, Gd, Lu, and Y, Re represents at least one element selected from lanthanide elements, M represents at least one element selected from alkali earth metals, and x represents a value from 0.5 to 15. This ultrafine inorganic phosphor is prepared by one of the following processes a process of evaporation in a gas including an RF thermal plasma process, dc plasma thermal spraying, sputtering, glass crystallization, a sol-gel process, precipitation including hydrothermal synthesis, and a spraying process. An antibody which reacts specifically with an antigen to be measured is labeled with this ultrafine inorganic phosphor and reacted with a specimen, and the unreacted material is removed. The antibody bound to the specimen is detected by quantitatively observing fluorescence emitted by the phosphor.
Abstract translation:公开了以超细无机荧光体1〜100nm标记的特定结合材料。超细无机荧光体的组成为Ln 2 O 3:Re,Ln 2 O 2 S:Re,ZnO,CaWO 4,MO x Al 2 O 3:Eu,Zn 2 SiO 4:Mn 和LaPO 4:Ce,Tb,其中Ln表示选自La,Gd,Lu和Y中的至少一种元素,Re表示选自镧系元素中的至少一种元素,M表示选自碱土金属的至少一种元素,和 x表示0.5至15的值。该超细无机磷光体通过以下方法之一制备包括RF热等离子体工艺,直流等离子体喷涂,溅射,玻璃结晶,溶胶 - 凝胶法在内的气体中的蒸发过程 ,包括水热合成的沉淀和喷雾过程。 用该超细无机荧光体标记与待测抗原特异性反应的抗体,并与样品反应,除去未反应物质。 通过定量观察由荧光体发出的荧光来检测与样品结合的抗体。
Abstract:
According to one embodiment, the luminescent material shows a luminescence peak in a wavelength range of 570 to 670 nm when excited with light having an emission peak in a wavelength range of 250 to 520 nm. The luminescent material includes a host material having a crystal structure substantially same as the crystal structure of Sr2Si7Al3ON13. The host material is activated by Eu, and includes Sr and Ca to satisfy a relationship of 0.008≦MCa/(MSr+MCa)≦0.114, where MCa is a number of moles of Ca and MSr is a number of moles of Sr.
Abstract translation:根据一个实施方案,发光材料在具有在250至520nm的波长范围内的发光峰的光激发时,显示在570至670nm的波长范围内的发光峰。 发光材料包括具有与Sr 2 Si 7 Al 3 ON 13的晶体结构基本相同的晶体结构的主体材料。 主体材料由Eu活化,包括Sr和Ca,以满足0.008&nlE的关系; MCa /(MSr + MCa)≦̸ 0.114,其中MCa是Ca的摩尔数,MSr是Sr的摩尔数 。
Abstract:
The embodiment provides a red light-emitting fluorescent substance represented by the following formula (1): (M1-xECx)aM1bAlOcNd (1). In the formula (1), M is an element selected from the group consisting of IA group elements, IIA group elements, IIIA group elements, IIIB group elements, rare earth elements and IVA group elements; EC is an element selected from the group consisting of Eu, Ce, Mn, Tb, Yb, Dy, Sm, Tm, Pr, Nd, Pm, Ho, Er, Cr, Sn, Cu, Zn, As, Ag, Cd, Sb, Au, Hg, Tl, Pb, Bi and Fe; M1 is different from M and is selected from the group consisting of tetravalent elements; and x, a, b, c and d are numbers satisfying the conditions of 0
Abstract:
The present embodiments provide a europium-activated oxynitride phosphor and a production method thereof. This phosphor emits red luminescence having a peak at 630 nm or longer and can be produced by use of inexpensive oxides as raw materials containing alkaline earth metals such as strontium. The oxynitride phosphor is activated by a divalent europium and represented by the formula (1): (M1-xEux)AlaSibOcNdCe (1). In the formula, M is an alkaline earth metal, and x, a, b, c, d and e are numbers satisfying the conditions of 0
Abstract:
According to one embodiment, the luminescent material exhibits a luminescence peak in a wavelength ranging from 500 to 600 nm when excited with light having an emission peak in a wavelength ranging from 250 to 500 nm. The luminescent material has a composition represented by Formula 1 below: (M1-xCex)2yAlzSi10-zOuNw Formula 1 wherein M represents Sr and a part of Sr may be substituted by at least one selected from Ba, Ca, and Mg; x, y, z, u, and w satisfy following conditions: 0
Abstract:
According to one embodiment, the luminescent material emits light having an luminescence peak within a wavelength range of 550 to 590 nm when excited with light having an emission peak in a wavelength range of 250 to 520 nm. The luminescent material has a composition represented by the following formula 1. (Sr1-xEux)aSibAlOcNd formula 1 wherein x, a, b, c and d satisfy following condition: 0
Abstract:
A light emitting device according to one embodiment includes a light emitting element that emits light having a wavelength of 250 nm to 500 nm and a fluorescent layer that is disposed on the light emitting element. The fluorescent layer includes a phosphor having a composition expressed by the following equation (1) and an average particle diameter of 12 μm or more. (M1−x1Eux1)3−ySi13−zAl3+zO2+uN21−w (1) (In the equation (1), M is an element that is selected from IA group elements, IIA group elements, IIIA group elements, IIIB group elements except Al, rare-earth elements, and IVB group elements. x1, y, z, u, and w satisfy the following relationship. 0
Abstract:
A luminescent material is provided, which includes a carbide oxynitride-based compound having a composition represented by formula 1: (M1−wRw)uAl1−xSi1+vOzNtCy formula 1 wherein M is at least one metal element excluding Si and Al, and R is a luminescent central element. w, u, x, v, z, t and y satisfy following relationships: 0.001
Abstract:
The present invention provides a plasma display panel, comprising a rear substrate provided with ribs defining discharge cells, address electrodes and phosphor layers, and a front substrate provided with transparent electrodes extending in a direction perpendicular to the address electrodes, a transparent dielectric layer and a protective layer, discharge being brought about within the discharge cell formed between the rear substrate and the front substrate to excite the phosphor contained in the phosphor layer so as to cause the phosphor to emit a visible light. In this plasma display panel, the phosphor particles forming the phosphor layer have an average particle size of 0.1 to 5 .mu.m and a ratio of the largest curvature to the smallest curvature of at most 1.5. Also, the magnitude of the irregularities on the surface of the phosphor particle is at most 5% of the diameter of the phosphor particle.
Abstract:
A method of manufacturing a phosphor material, which comprises the steps of, generating thermal plasma, supplying a conductive material into the thermal plasma so as to evaporate the conductive material, supplying phosphor particles into the thermal plasma so as to allow the conductive material to adhere onto the surface of the phosphor particles, and cooling the phosphor particles having the conductive material adhered thereon. By making use of this method, it is possible to manufacture a phosphor material comprising a phosphor particle and a conductive layer formed on the surface of the phosphor particle, wherein the ratio between the minor axis and the major axis of the phosphor material is 1.5 or less.