Patents for C09K 11 - Luminescent, e.g. electroluminescent, chemiluminescent, materials (47,146)
06/1982
06/09/1982EP0053183A1 Paper security with authenticity mark of luminescent material only in an invisible area of the light spectrum and checking method thereof.
06/02/1982EP0052940A1 Luminescent materials
06/02/1982EP0052624A1 Paper securities with authenticity mark of luminescent material.
06/01/1982CA1124891A1 X-ray image intensifying screens
06/01/1982CA1124506A1 Process for purifying rare-earth compositions using fractional sulfate precipitation
05/1982
05/26/1982EP0052398A1 Luminescent screen and low-pressure mercury vapour discharge lamp comprising such a screen
05/25/1982US4331553 Frit material for use with phosphor coating in fluorescent lamp
05/25/1982CA1124315A1 Method for improving the performance of low pressure fluorescent discharge lamp which utilizes zinc silicate as a phosphor blend constituent
05/25/1982CA1124309A1 Image display faceplate having a chromatic matrix
05/04/1982CA1123125A1 Ceramic-like scintillators
05/04/1982CA1122859A1 Electronic grade aluminum nitride materials
04/1982
04/27/1982US4327155 Coated metal structures and method for making
04/20/1982CA1122335A1 Distributed phosphor scintillator structures
04/13/1982US4325020 Regulating transformer
04/13/1982US4324816 A magnetic dispersion on a traveling web forming stripes of uniform cross-sections
04/06/1982CA1121223A1 Technique for fabricating radiation sensitive dosimeters
04/06/1982CA1121149A1 Ultraviolet emitting ceymg aluminate fluorescent lamp phosphor and lamp for psoriasis treatment
03/1982
03/23/1982CA1120621A1 Liquid crystal display device
03/10/1982EP0046945A1 Method and apparatus for treating fluorescent substance
03/10/1982EP0046861A2 Method for the surface concentration of light
03/09/1982US4319161 Luminescent screen and low pressure mercury vapor discharge lamp containing the same
03/02/1982US4318001 Luminescent materials with increased humidity stability
02/1982
02/24/1982EP0046164A2 Utilisation of perylene derivatives for purposes of fluorescence and novel perylene derivatives
02/23/1982US4316817 Index-matched phosphor scintillator structures
02/23/1982US4316816 Method for preparing copper-aluminum-gold-activated zinc-sulfide phosphors
02/16/1982US4316092 Terbium activated gadolinium oxysulfide phosphor
02/16/1982US4315979 Multilayer screens
02/16/1982US4315832 Process for increasing laser crystal fluorescence yield by controlled atmosphere processing
02/16/1982CA1118434A1 N,n"-bis(trifluoromethyl-sulfonyl)-oxamides and chemiluminescent compositions containing the same
02/09/1982US4315192 Fluorescent lamp using high performance phosphor blend which is protected from color shifts by a very thin overcoat of stable phosphor of similar chromaticity
02/09/1982US4315191 Luminescent material with alkaline earth metal silicate aluminate host lattice and low-pressure mercury vapor discharge lamp containing the same
02/09/1982US4315190 Zinc silicate phosphor with extended florescence decay and cathode ray tube containing the same
02/09/1982US4314910 Cathode ray tubes/;
02/02/1982US4314178 Low-energy-electron-exciting fluorescent display device
02/02/1982US4314177 Tin oxide-europium phosphor
02/02/1982US4313843 Chemiluminescent having good storage stability
02/02/1982US4313257 Annealing methods for improving performance of a radiation sensor
01/1982
01/27/1982EP0044686A1 Organic electroluminescent cell, process for manufacturing the cell and its use
01/27/1982EP0044516A1 Phosphor and radiation image storage panel utilizing the same
01/26/1982US4312895 Coating inside of glass envelope with suspension of phosphor in aqueous solution of polyoxyethylene glycol
01/20/1982EP0044017A1 Gamma phase manganese activated zinc-magnesium orthophosphate cathode ray phosphor and monitor cathode ray tube screen employing same
01/19/1982US4311487 Recrystallization of activated rare-earth oxyhalide phosphors
01/19/1982CA1116685A1 Low-pressure mercury vapour lamp having u-shaped inner tube
01/19/1982CA1116391A1 Phosphor-containing compositions and their use in x-ray photography
01/19/1982CA1116390A1 Luminescent screen
01/19/1982CA1116389A1 X-ray intensifying screens
01/13/1982EP0043776A1 Alumina-based mixed oxide compounds, manufacturing process and use thereof
01/05/1982US4309501 Crystallization process
01/05/1982US4309481 Pigment and borate compound
12/1981
12/23/1981EP0042126A2 Fluorescent lamp having two phosphor layers
12/22/1981US4307321 Red emitting phosphor with slow exponential decay
12/22/1981US4307320 Pigment coated phosphor and high contrast color television cathode ray tube using same
12/16/1981EP0041869A1 Recrystallization of activated rare-earth oxyhalide phosphors
12/15/1981US4306173 Phosphor with extended fluorescence decay lifetime and lamp based thereon
12/15/1981CA1114150A1 Hydrated strontium fluorosilicates activated with divalent europium
12/10/1981WO1981003510A1 Paper security with authenticity mark of luminescent material only in an invisible area of the light spectrum and checking method thereof
12/10/1981WO1981003507A1 Paper securities with authenticity mark of luminescent material
12/09/1981EP0041339A1 Color cathode ray tube
12/09/1981EP0041274A1 Fluorescent composition having the ability to change wavelengths of light, shaped article of said composition as a light wavelength converting element, and device for converting optical energy to electrical energy using said element
12/02/1981EP0040710A1 Phosphorescent paint and its use
12/01/1981US4303913 Fluorescent display device and display apparatus using the same
12/01/1981US4303547 Luminescent material
11/1981
11/10/1981CA1112285A1 Low-pressure mercury vapour discharge lamp
11/03/1981US4298005 Spectral emittance of ultraviolet radiation; cosmetics; skin disorders; irradiation polymerization; drying of varnishes
11/03/1981CA1111846A1 Phosphorescence exhibiting materials for optical pumped lasers
11/03/1981CA1111634A1 Luminescent materials
10/1981
10/27/1981US4297584 Stabilization of cerium-activated oxybromides of yttrium, lanthanum, and gadolinium with a moisture-protective coating of the oxychloride
10/27/1981US4297390 Oxidation of pyrite layer produced in an aqueous suspension from a polysulfide solution and a ferrous compound
10/27/1981EP0030956A4 Daylight fluorescent lamps employing blend.
10/20/1981US4295989 Luminescent hafnia composition
10/20/1981CA1110928A1 Luminescent screen
10/13/1981CA1110526A1 Process for the production of lithium fluoride detectors
10/06/1981US4293436 Phosphor, carboxylic acid carrier
10/06/1981CA1110328A1 Optical communication transmission arrangements
10/06/1981CA1110054A1 Cerium activated phosphor and method of making same
09/1981
09/29/1981US4292527 Radiation detection system
09/29/1981US4292107 Process for manufacturing a radiographic intensifying screen
09/22/1981US4290909 Process for producing a lithium borate thermoluminescent and fluorescent substance
09/15/1981CA1108840A1 Cerium activated yttrium gadolinium phosphate x-ray phosphors, process for producing same, an x-ray intensifying screen employing same
09/15/1981CA1108839A1 X-ray phosphors with low afterglow
09/08/1981CA1108737A1 Optical display arrangements
09/08/1981CA1108388A1 Europium activated and tin sensitized calcium sulfide phosphor particularly adapted for use with high- intensity discharge lamps
09/01/1981US4287257 Phosphors for color televisions
09/01/1981US4287229 Method for surface treatment of phosphor particles
08/1981
08/26/1981EP0034261A2 Aqueous chemiluminescent systems
08/25/1981US4285885 Whiteners; brighteners; textiles; fluorescence
08/19/1981EP0034059A1 Cathode ray tube, a copper and aluminum activated zinc sulfide phosphor, a process for preparing said phosphor, and a color television incorporating said cathode ray tube
08/18/1981US4285055 Self-luminescent light source for liquid crystal display watch
08/18/1981CA1107005A1 Security paper
08/05/1981EP0033079A1 Perylene-3,4,9,10-tetracarboxylic-acid diimides and their use
08/04/1981US4282357 Aqueous chemiluminescent systems
07/1981
07/29/1981EP0032670A1 Light collector systems and the use of coumarin derivatives as energy converters in such systems
07/28/1981US4281033 Nondestructive testing for flaws
07/22/1981EP0032373A1 Light collector systems and the use of anthrapyrimidine derivatives as energy converters in such systems
07/22/1981EP0032192A2 Luminescent material, process of forming the same and process of electrically altering the ingredients of a glass
07/21/1981US4279772 Bismuth germanium oxide single crystals
07/14/1981US4278913 Metal fluoride-zinc oxide, yellow
07/01/1981EP0031124A1 Process to improve the processibility of phosphors in screening processes
07/01/1981EP0030956A1 Daylight fluorescent lamps employing blend.
06/1981
06/30/1981US4276633 Self-luminescent light source for liquid crystal display watch