Abstract:
Disclosed is a low-voltage blue color fluorescent substance which is doped with 0.5 to 3 weight % of P, and a manufacturing method of the same. The above blue color fluorescent substance is manufactured by mixing phosphoric compound as flux with a mixture of zinc oxide (ZnO) and gallium oxide (Ga2O3); carrying out a primary burn on the mixture at a temperature of 1,200 to 1,300° C.; ball milling and washing; and carrying out a secondary burn on the resultant material at a temperature of 900 to 1,100° C., and then classifying the substance.
Abstract translation:公开了掺杂有0.5〜3重量%的P的低电压蓝色荧光物质及其制造方法。 上述蓝色荧光物质通过将磷化合物作为助熔剂与氧化锌(ZnO)和氧化镓(Ga 2 O 3)的混合物混合而制备; 在1,200〜1300℃的温度下对混合物进行初级燃烧; 球磨和洗涤; 并在900〜1100℃的温度下在所得材料上进行二次燃烧,然后对物质进行分级。
Abstract:
A phosphor for a low voltage display device having a host and a metal salt or metal oxide dispersed on the surface of the host with improved luminescence efficiency which can be prepared at a low temperature.
Abstract:
A low-voltage excited red phosphor of the present invention has a matrix including an oxide of an alkaline earth metal and titanium and doping elements including a rare-earth element, a group 13 element, and Zn. The phosphor has an improved lifetime and high brightness.
Abstract:
A phosphor having increased luminance and lifespan which includes a halide flux of the Group 1 element of the periodic table has a perovskite structure and satisfies the following formula: MTiO3: (A,B) where M is an alkaline earth metal, A is a rare earth element, and B is a Group 13 element of the periodic table. The halide flux-containing phosphor shows good luminance and lifespan characteristics compared to conventional phosphors without using sulfur and environmentally harmful cadmium in a host matrix. Therefore, the phosphor is advantageously utilized for various display applications including vacuum fluorescent displays (VFDs) and field emission displays (FEDs).
Abstract:
A phosphor compliant with formula (1) below and a perovskite structure containing samarium (Sm): MTiO3: (A, B) (1) where M is an alkali earth metal, A is an element selected from the group consisting of cerium (Ce), praseodymium (Pr), europium (Eu), terbium (Tb), and thulium (Tm), and B is a Group IIIA element of the periodic table. The phosphor has excellent luminance and lifespan while not containing S in its host matrix, and is also environmentally safe since it does not contain cadmium that is harmful to the environment. Therefore, the phosphor can be advantageously utilized for various display applications including vacuum fluorescent displays (VFDs) and field emission displays (FEDs).
Abstract:
Disclosed is a low voltage blue emitting phosphor and a method for producing the same including the steps of: mixing ZnO, Ga2O3and a Na-based compound to obtain a mixture material; sintering the material at a temperature of 1100 to 1300° C.; milling the first sintered material; washing the milled material using hydrochloric acid; sintering the washed material at a temperature of 800 to 1100° C.; and classifing the material. The low voltage blue emitting phosphor produced as described above is a ZnO—Ga2O3matrix doped with Na, and has an x value of 0.18±0.05 and a y value of 0.17±0.05 in a CIE chromaticity diagram.
Abstract translation:公开了一种低电压蓝色荧光体及其制造方法,包括以下步骤:将ZnO,Ga 2 O 3和Na类化合物混合,得到混合物; 在1100〜1300℃的温度下烧结材料; 研磨第一烧结材料; 用盐酸洗涤研磨物料; 在800至1100℃的温度下烧结洗涤的材料; 并分类材料。 如上所述制造的低电压蓝色荧光体荧光体是掺杂有Na的ZnO-Ga 2 O 3矩阵,并且在CIE色度图中x值为0.18±0.05,y值为0.17±0.05。
Abstract:
A phosphor having longer lifespan which includes sulfur and has a perovskite structure. The phosphor further satisfies the following formula: MTiO3:A where M is an alkaline earth metal and A is a rare earth element. The sulfur-containing phosphor shows good luminance and lifespan characteristics compared to existing SrTiO3 based phosphors, without containing cadmium that is harmful to the environment. Therefore, the phosphor is advantageously utilized for various display applications including vacuum fluorescent displays (VFDs) and field emission displays (FEDs).
Abstract:
A low-voltage excited blue phosphor is provided. The phosphor comprises a matrix represented by general formula ZnO.Ga2O3, and Bi doped in the matrix. To prepare the phosphor, ZnO, Ga2O3, Bi compound, and a flux are mixed to produce a mixture, and the mixture is fired at 1100-1300° C. to produce a fired material. Then the fired material is milled, and washed with an acid. The washed material is fired at 800-1100° C. and sieved to produce the blue phosphor.
Abstract translation:提供了低压激发蓝色荧光体。 磷光体包括由通式ZnO.Ga 2 O 3表示的基体和掺杂在基质中的Bi。 为了制备荧光体,将ZnO,Ga 2 O 3,Bi化合物和助熔剂混合以产生混合物,并将混合物在1100-1300℃下烧制以产生烧制材料。 然后将烧制的材料研磨,并用酸洗涤。 将洗涤的材料在800-1100℃下烧制并过筛以产生蓝色荧光体。