|8070985||Method of making a lead-activated strontium hexaborate phosphor|
There is provided a method of making a SrB6O10:Pb phosphor that increases the manufactured quantity of the SrB6O10:Pb phosphor by approximately seven fold when using the same size reaction vessel, decreases the lead-contai...
|7846354||Method of making red-emitting borate phosphor|
There is described a method of producing a red-emitting manganese and cerium co-activated gadolinium magnesium zinc pentaborate phosphor that comprises combining a hydrated hexaborate of zinc, magnesium, and manganese with oxides of Gd and Ce to form a mixture, and ...
|7846352||Method of producing UV-emitting magnesium pentaborate phosphors|
A method of producing a UV-emitting magnesium pentaborate phosphor is described. The method comprises combining a hydrated magnesium hexaborate with oxides of Y, Gd, Ce and Pr to form a mixture and firing the mixture in a slightly reducing atmosphere to form the pho...
|7846353||Method of making green-emitting borate phosphors|
There is described a method for the preparation of a green-emitting terbium and cerium co-activated gadolinium magnesium pentaborate phosphor that utilizes a hydrated magnesium hexaborate as a boron source. The hydrated magnesium hexaborate preferably may be represe...
|7535176||VUV-excited device with blue-emitting phosphor|
Blue-emitting phosphors for use with plasma display panels (PDP) or other vacuum ultraviolet-excited (VUV) devices are provided. These blue-emitting phosphors and mixtures thereof include at least a europium-activated calcium-substituted barium hexa-aluminate (CBAL)...
|7497974||Ce,Pr-coactivated yttrium phosphate phosphor and lamp containing same|
The sensitivity of YPO4:Ce phosphors to 185 nm radiation may be increased by incorporating a praseodymium coactivator. The use of Ce and Pr as co-activators in a YPO4 phosphor improves the sensitivity of the phosphor to excitation by both 185 n...
|7449129||Ce,Pr-coactivated strontium magnesium aluminate phosphor and lamp containing same|
A Sr(Al,Mg)12O19:Ce,Pr phosphor is described wherein the phosphor has an increased sensitivity to excitation by 185 nm radiation compared to a Sr(Al,Mg)12O19:Ce phosphor. The Ce,Pr-coativated strontium magnesium aluminate ...
|7435358||UVC-emitting Sr(Al,Mg)O:Pr phosphor and lamp containing same|
The UVC emission of a Sr(Al,Mg)12O19:Pr is improved by providing an excess of magnesium relative to the molar amount praseodymium In particular, the UVC-emitting phosphor has a composition represented by the formula Sr1-xPrx
|7419621||UV-emitting phosphor and lamp containing same|
A UV-emitting phosphor is described wherein the phosphor is excitable by vacuum ultraviolet radiation (VUV). The phosphor is a gadolinium-activated strontium magnesium aluminate which preferably has an excitation maximum at about 172 nm. The phosphor exhibits a narr...
|7396491||UV-emitting phosphor and lamp containing same|
A UV-emitting phosphor and lamp containing same are described. The phosphor is a praseodymium-activated pyrophosphate-based phosphor which may be represented by the general formula (Ca2-x,Srx)P2O7:Pr where 0≦x≦2. The p...
|7396490||Ce,Pr-coactivated calcium pyrophosphate phosphor and lamp containing same|
A UV-emitting, Ce,Pr-coactivated calcium pyrophosphate phosphor is provided wherein the Pr activator increases the phosphor's sensitivity to excitation by 185 nm radiation. The improved sensitivity to the 185 nm radiation allows the phosphor to make better use of th...
|7232531||Method of removing impurities from a SrBO:Eu phosphor|
An acidic solution can be used to dissolve undesirable impurity phases in UV-emitting SrB4O7:Eu phosphors that reduce the UV emission intensity of said phosphor. In particular, the impurity phase, SrB6O10:Eu, is no longer ...
|6805813||High brightness green-emitting phosphor|
A high brightness green-emitting phosphor is described. The phosphor has the general formula: (Y(1-x-y-z)GdxTbyLaz)BO3 where 0.01≦x≦0.4,
|6610217||ZnS:Ag,A1 phosphor and method of making same|
A ZnS:Ag,Al phosphor and method of making are described wherein the ZnS:Ag,Al phosphor exhibits a substantially polyhedral morphology and low particle agglomeration. The method of making includes the use of a mixed sodium chloride and alkaline-earth metal...
|6245260||Mixed flux for yttrium tantalate x-ray phosphors|
A Li2 SO4 'Na2 SO4 mixed flux for use in the synthesis of yttrium tantalate x-ray phosphors has been invented. The phosphors made with the mixed flux exhibit a dramatic increase XOF brightness, decreased persist...
|5938974||Yttrium tantalate x-ray phosphors with reduced persistence|
A composition and method are provided for reducing the persistence of yttrium tantalate x-ray phosphors having the monoclinic M' structure. Persistence is reduced by incorporating a molybdenum or vanadium additive into the phosphor. The method for incorpo...
|5900188||Yttrium tantalate x-ray phosphors with reduced persistence|
A composition and method are provided for reducing the persistence of yttrium tantalate x-ray phosphors having the monoclinic M' structure. Persistence is reduced by incorporating a tungsten additive into the phosphor. The phosphor preferably contains at ...