Matches 51 - 100 out of 129 < 1 2 3 >
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6093346 Long afterglow silicate luminescent material and its manufacturing method  
The long afterglow silicate luminescent materials which main chemical composition formula is: aMO-bM'O-cSiO 2 -dR:Eu x Ln y , wherein M represents one or more elements selected from a group...
6085971 Luminescent meta-borate substances  
The present invention relates to variously activated luminescent metaborates having luminescence properties improved in comparison with conventional luminescent substances. Moreover, the activated...
6066861 Wavelength-converting casting composition and its use  
The wavelength-converting casting composition is based on a transparent epoxy casting resin with a luminous substance admixed. The composition is used in an electroluminescent component having a...
6039894 Production of substantially monodisperse phosphor particles  
The invention relates to a method for producing activated, substantially monodisperse, phosphorescent particles and particles formed thereby. The method suspends substantially monodisperse,...
6004480 Phosphor manufacturing process employing auto feedback to control product characteristics  
A continuous automated process is provided for manufacturing a phosphor product having controlled particle size characteristics and enhanced luminescent performance characteristics for use in a...
5998047 Aluminate phosphor with a polyphosphate coating  
A plasma display device with a phosphor screen, comprising a phosphor composition of an UV-phosphor furnished with a coating which includes one or more catena-polyphosphates of metals of the group...
5985173 Phosphors having a semiconductor host surrounded by a shell  
Phosphors having a doped core are surrounded by a shell material. Additionally, these nanocrystalline phosphors, or larger phosphors formed by conventional or other processes may be surrounded by a...
5985175 Boron oxide coated phosphor and method of making same  
A method for forming a continuous, conformal non-particulate coating of boron oxide on individual phosphor particles is provided. The method involves reacting a boron-containing precursor with an...
5977556 Radiation imaging device with photostimulable phosphor  
A radiation imaging device including a photostimulable phosphor which is a glass including active cations that release light having a wavelength in the blue colour or ultra-violet region when those...
5906771 Manufacturing process for high-purity phosphors having utility in field emission displays  
A process is provided for manufacturing high-purity phosphors having utility in field emission displays. The high-purity phosphor is a host lattice infiltrated by a dopant that activates...
5739632 Luminescent phosphor screen containing catena-polyphosphate  
The invention relates to a display screen comprising a phosphor composition of a sulphide and/or selenide-containing phosphor which is provided with a coating which comprises one or more...
5635109 Tb- or Eu-containing fluorophosphate fluorescent glass  
According to the present invention, there is provided a fluorescent glass of the present invention is capable of converting invisible ultraviolet rays into visually observable visible rays with a...
5567352 Phosphor and method of making same  
Inorganic intercalation phosphors were made by doping an inorganic intercalation compound having an atomic structure interspersed with vacant spaces with selected activator ions capable of...
5350540 Method of making alkaline earth metal halophosphate phosphor using metal phosphide reducing agent  
Metal phosphide used as a raw material in the synthesis of alkaline earth metal halophosphate phosphor activated by antimony and manganese acts as a reducing agent to prevent oxidation of the...
5322820 Athermal laser glass compositions with high thermal loading capacity  
Phosphate glass compositions which exhibit both athermal behavior under high thermal loading and high thermal shock resistance without special conditioning. High gain, laser rods, discs and other...
5314536 Method of making luminous construction material  
A method of making a construction material luminous in response to ultraviolet rays. An inorganic material containing an ultraviolet luminous substance can be used as pigment after formed into...
5173212 Aluminophosphate glass containing copper(II) oxide  
An aluminophosphate glass containing copper(II) oxide having a low transmission in the near infrared range with a steep absorption edge as well as a very uniform high transparency in the visible...
5170095 Low-pressure mercury vapor discharge light source of high wall loadability  
A low-pressure mercury vapor fluorescent lamp has a luminescent coating including a small quantity of a fine grain inactive material such as a calcium, strontium or barium chloroapatite, which...
5164343 Ion-exchangeable phosphate glass compositions and strengthened optical quality glass articles  
Ion-exchangeable phosphate glass compositions containing in mole percent from about 50 to 70% P 2 O 5 , from about 5 to 30% Li 2 O, from about 5 to 25% MO, where M is selected from the group...
5128064 Cadmium sulfide membranes  
A method is described for the creation of novel q-effect cadmium sulfide membranes. The membranes are made by first creating a dilute cadmium sulfide colloid in aqueous suspension and then removing...
5126204 Phosphor having zinc oxide attached to its surface  
A phosphor comprising a phosphor and zinc oxide formed in a suspension of the phosphor and attached to the surface of the phosphor.
5053165 Glass of improved thermal shock resistance for high average power solid state laser system  
A phosphate based laser glass composition for high average power systems including by mol percent 60-66% P 2 O 5 , 6-9% Al 2 O 3 , 8-12% Li 2 O, 0-15% MgO, 0-15% ZnO, 0-5% B 2 O 3 and 0.1-4%,...
5051203 Process for producing phosphor  
A phosphor producing process capable of providing a phosphor of good quality in a reduced period of time. A Li compound acting as a doping agent is added prior to primary calcination so that it may...
5032315 Phosphate glass useful in high power lasers  
A low- or no-silica phosphate glass useful as a high average power laser medium and having a high thermal conductivity, K 90 ° C. >0.8 W/mK, and a low coefficient of thermal expansion, α 20...
4962067 Erbium laser glass compositions  
Phosphate laser glass compositions which include erbium ions as the active laser ion material. In one aspect, ytterbium, chromium and cerium ions are present as auxiliary dopants. The ytterbium,...
4871471 Phosphor for cathode ray tube  
A novel phosphor for a cathode ray tube comprising Y 2 O 2 S:Eu containing barium fluoride is disclosed which has a long afterglow, maintains high emission efficiency, and has high color purity.
4826622 Method of making alkaline earth halophosphate phosphor  
In the manufacture of an alkaline earth halophosphate phosphor, the phosphor ingredients are mixed, fired, wet milled and dried. By sieving the material part way through the wet milling process and...
4806824 Fluorescent lamp using multi-layer phosphor coating  
A fluorescent lamp utilizing a dual layer phosphor coating is disclosed and with the base layer employing a calcium halophosphate phosphor which has been modified to provide efficient lumen output...
4791336 Fluorescent composition and fluorescent luminous device  
A fluorescent composition capable of emitting light of various luminous colors under electron or ultraviolet excitation and a fluorescent luminous device having mounted such a fluorescent...
4772417 Process for preparing high-brightness yellow-emitting triboluminescent phosphors  
The present invention is directed to luminescent materials having the general formula: Ca(2-v-w-x-y-z) (NSF) v Sr w Cd x Sn y Mn z P 2 O 7 wherein: NSF is the non-stoicheometric factor; ...
4733128 Electroluminescence display device containing a zinc sulfide emission layer with rare earth elements and/or halides thereof and phosphorus  
An electroluminescense display device having a emission layer comprising zinc sulfide characterized in that at least one member selected from the group consisting of rare earth elements, manganese,...
4698548 Lamp incorporating phosphor blend of calcium fluorophosphate and strontium halophosphate  
Calcium fluorophosphate phosphor co-activated by specific levels of antimony and manganese emits in a narrow portion of the yellow region of the spectrum making such phosphor useful in fluorescent...
4694217 Cathode ray tube including white luminous phosphor screen  
Disclosed is a cathode ray tube including a white emitting phosphor screen comprising, in mixing, a blue emitting phosphor having the composition expressed by a composition formula (M 1 -x Tb x ) 2...
4680231 Low-velocity electron excited phosphor  
Low-velocity electron excited phosphor of the mixture-type is disclosed which is capable of being used for the patterning of phosphor layers by photolithography. The phosphor comprises a phosphor...
4661284 Silica and boron-containing ultraphosphate laser glass with low concentration quenching and improved thermal shock resistance  
Neodymium-doped phosphate glasses having a refractive index, nd>1.520; an Abbe number, Vd, <60 a density <3.0 g/cm 3 , a thermal expansion coefficient, α, ≤110×10 -7 °C. -1 ; a...
4613453 Compensatory procedure for preparing haloapatite phosphors  
In the manufacture of an alkaline earth haloapatite phosphor, raw materials including calcium carbonate are blended together and then fired. However, before blending, the particle size of the...
4568479 Method for preparing phosphor adapted for producing photosensitive layers from an acid slurry  
Prior to preparing an acid phosphor slurry for use in preparing dry photosensitive phosphor layers, particulate yttrium, lanthanum and/or gadolinium oxysulfide or vanadate phosphor is mixed with...
4566987 Scintillation glass  
A colorless, cerium-and phosphorous-containing barium silicate glass, with a density of >3.3 g/cm 2 , a radiation length <43.5 mm, with strong fluorescence at 415-430 nm and with good...
4551397 Zinc silicate phosphor and electron excited fluorescent display device using the phosphor  
A zinc silicate phosphor represented by the formula: (Zn 1 -x-2y, M II x , Na 2y ) 2 SiO 4 :Mn a , As b , M c (I) where M II is at least one element...
4540915 Fluorescent lamp and phosphor coating composition used therefor  
A fluorescent lamp having a phosphor layer composed of a glass material represented by the general formula: xLn 2 O 3 .yMO.wM'.vM 2 "O.zB 2 O 3 (wherein Ln is at least one element selected...
4534885 Phosphate fluorescent substance  
In a phosphate fluorescent substance including orthophosphate as a parent material and manganese as a main activator, said phosphate fluorescent substance has at least one of the following features...
4453179 Variable color cathodoluminescent composition, method, and display device utilizing same  
A variable color cathodoluminescent manganese activated zinc silicate phosphor is disclosed. The zinc silicate host is modified by the addition of small amounts of aluminum and phosphorus....
4446049 Yellow-emitting halophosphate phosphor of improved brightness and method  
Phosphors and a method for producing yellow-emitting tin-manganese coactivated calcium fluorophosphate phosphors having improved brightness comprises the steps of blending a powder mixture...
4353808 Phosphors and process for producing the same  
A phosphor represented by the formula: a (Sr 1 -x-y-z M x II M y III Eu z 2 +) 3 (PO 4 ) 2 b M'X 2 (I) wherein M II is at least one element selected from the group...
4307321 Red emitting phosphor with slow exponential decay  
A luminescent phosphor composition having enhanced luminescent decay lifetime consists essentially of a non-stoichiometric cerium and manganese coactivated alkaline earth orthophosphate represented...
4306173 Phosphor with extended fluorescence decay lifetime and lamp based thereon  
A luminescent phosphor composition having enhanced luminescent decay lifetime consists essentially of a non-stoichiometric tin and manganese coactivated alkaline earth orthophosphate represented by...
4275333 Fluorescent compositions and low-velocity electron excited fluorescent display devices utilizing the same  
Blue, green, red and yellow emitting fluorescent compositions which emit blue, green, red and yellow light of high luminance under low-velocity electron excitation occurring under acceleration...
4266160 Strontium-calcium fluorapatite phosphors and fluorescent lamp containing the same  
A fluorescent lamp can incorporate a new strontium-calcium fluorapatite of the formula Ca 5 .0-a-w-x-y Sr a Cd w Mn x Sb y (PO 4 ) 3 F 1 -y O y wherein a is from about 0.25 to about...
4259587 X-ray luminescent glasses  
X-ray luminescent glasses comprising a divalent cation such as an alkaline earth metal or other divalent cations such as Pb, Cd, or Zn, and certain rare earth metaphosphates are suitable as...
4248732 Laser phosphate glass compositions  
Laser phosphate glass compositions are provided by combining constituent elements at defined amounts to form compositions which provide a balance of properties to the glass, especially high gain...
Matches 51 - 100 out of 129 < 1 2 3 >