Patents
Patents for H01J 61 - Gas-discharge or vapour-discharge lamps (29,612)
09/1990
09/05/1990CN2061733U Spiral screwed compact fluorescent light
09/05/1990CN2061732U Double filament fluorescent light
09/04/1990US4954937 Display sheet on bulb surface
09/03/1990CA2007148A1 Sodium vapor lamp for sonic pulse operation
08/1990
08/29/1990EP0384520A1 Electrodeless low-pressure discharge lamp
08/29/1990EP0384408A1 Gas discharge tube, indirectly heated cathode for use therein and drive circuit therefor
08/29/1990EP0384407A1 Discharge tube
08/29/1990EP0384406A1 Indirectly heated cathode for a gas discharge tube
08/29/1990CN1045003A Electrodeless low-pressure discharge lamp
08/29/1990CN1044948A Luminescent alkaling earth metal orthosilicate, luminescent screen provided with such a silicate and low-pressure mercury vapour discharge lamp provided with such a screen
08/29/1990CN1009407B Discharge vessel wire support
08/28/1990US4952841 High-pressure discharge lamp with improved electrodes
08/28/1990US4952187 Method for the manufacture of compact low-pressure mercury discharged lamp
08/23/1990WO1990009676A1 Radiation-emitting panels and display assemblies
08/22/1990EP0383728A1 Method for making cathodes for neon and argon gas-filled tubes
08/22/1990EP0383634A2 Ultraviolet-suppressed light source, coating agent used in the same, and method for manufacturing the same
08/22/1990EP0383388A1 Luminescent alkaline earth orthosilicate, luminescent screen provided with such a silicate and low-pressure mercury vapour discharge lamp provided with such a screen
08/22/1990EP0383108A1 High-pressure discharge lamp for operation with an alternating current
08/21/1990US4950954 Metal halide discharge lamp with electrodes having unequal thoria contents
08/21/1990US4950953 High pressure sodium lamp with sodium amalgam of controlled amount sealed therein
08/21/1990US4950948 Continuous alumina coating; fluorescent lamp
08/21/1990US4950938 Discharge lamp with discharge vessel rupture shield
08/21/1990US4950053 Multibend fluorescent light source for liquid crystal displays with out of plane lamp electrodes
08/16/1990EP0382516A2 Metal halide lamp maintaining a high lumen maintenance factor over an extended operation period
08/15/1990CN2060597U Combined colour energy-saving fluorescent lamp
08/15/1990CN2060596U 耐用日光灯 Durable fluorescent
08/15/1990CN1044735A Electric lamp
08/15/1990CN1044734A High-pressure gas discharge lamp
08/15/1990CA2008646A1 Ac high pressure discharge lamp, especially for high current level operation
08/14/1990US4949005 Tantala-silica interference filters and lamps using same
08/14/1990US4949004 Gas discharge lamp having temperature controlled, liquid reservoir for liquified portion of gas
08/14/1990US4949003 Oxygen protected electric lamp
08/14/1990US4948530 Suspension of silicic acid-alumina mixture, zirconium oxide, acetic acid, boric acid, water
08/14/1990CA1272754A1 Sodium discharge lamp having a current supply conductor connected via a capacitor to a translucent conducting coating
08/09/1990WO1990009032A1 Deuterium lamp for spectral analysis devices
08/08/1990EP0381279A1 High-pressure gas discharge lamp
08/08/1990EP0381265A1 Electric lamp
08/08/1990EP0381035A2 Single side-sealed metal vapor discharge lamp
08/08/1990CN2060259U High-efficient direct-current fluorescent lamp tube
08/08/1990CN2060258U Power general illumination fluorescent lamp
08/08/1990CN1009146B High-pressure discharge lamp
08/07/1990US4947080 Apparatus for rotating an electrodeless light source
08/07/1990US4946707 Long life lamps
08/02/1990DE4001526A1 Verfahren zur dimensionierung und zum betrieb einer niederdruckentladungslampe A method for sizing and operation of a low-pressure discharge lamp
08/01/1990CN2060013U Fluorescent tube with novel electrode
07/1990
07/31/1990US4945288 Double jacket lamp
07/31/1990US4945281 Flat light source
07/26/1990WO1990008399A1 Method of dimensioning and operating a low pressure discharge lamp
07/25/1990CN2059767U Fluorescent tube
07/25/1990CN1044191A Fluorescent discharge lamp tube of formant ensemble compact of normalise base with capacitive type ballast
07/18/1990EP0378338A2 Discharge tube
07/18/1990EP0377899A2 Lighting discharge lamp
07/18/1990CN1044012A 长寿荧光灯管 Longevity of fluorescent tubes
07/18/1990CN1008851B High-pressure gas discharge lamp
07/17/1990US4942330 Lamp assembly utilizing shield and ceramic fiber mesh for containment
07/17/1990US4941743 Lamp stabilizer circuits, heaters
07/11/1990EP0377225A2 Glow discharge lamp containing nitrogen
07/11/1990EP0377123A2 Firing and milling method for producing a manganese activated zinc silicate phosphor
07/11/1990CN2059292U Controller for gas discharge electric lamg
07/11/1990CN1043846A Plasma pinch system and method of using same
07/11/1990CN1043822A High intensity radiation apparatus and fluid recirculation system therefor
07/10/1990US4941070 Flash device for a camera
07/10/1990US4940918 Fluorescent lamp for liquid crystal backlighting
07/10/1990CA1271371A1 Lamp envelope having an interior coating of luminescent material and boric oxide
07/05/1990DE3842993A1 Ignition device for water-cooled ring (toroidal, electrodeless) discharge tubes
07/05/1990CA2006279A1 Glow discharge lamp containing nitrogen
07/04/1990EP0376399A2 HPS discharge lamp
07/04/1990EP0376394A2 Glow starter holder with protection against R.F. overheating
07/04/1990EP0376260A2 Discharge lamp assembly
07/04/1990EP0376173A2 Glow discharge lamp having dual anodes and circuit for operating same
07/04/1990EP0376149A2 Rare gas discharge fluorescent lamp device
07/04/1990EP0375963A2 Variable color-output strobe
07/03/1990US4939420 Fluorescent reflector lamp assembly
07/03/1990US4939417 High pressure discharge lamp with incandescent filament for starting
07/03/1990US4939408 High pressure sodium discharge reflector lamp
07/03/1990US4938727 Method of manufacturing a glow discharge starter
06/1990
06/30/1990CA2006688A1 Hps discharge lamp
06/28/1990DE3942399A1 Electrode construction for use in gas discharge lamps - with cathode sepd. into front end with electron emission chip, and plated rear part to prevent glass adhesion
06/27/1990EP0375402A2 Quartz lamp envelope with molybdenum foil having oxidation-resistant surface formed by ion implantation
06/27/1990EP0375341A2 High pressure discharge lamp with incandescent filament for starting
06/27/1990EP0375338A2 High intensity radiation apparatus
06/27/1990EP0374678A2 High-pressure discharge lamp requiring low electric power, and method for operating it
06/27/1990EP0374676A2 Method for producing a two-sided high-pressure discharge lamp
06/27/1990CN1043375A High voltage indicator lamp
06/27/1990CN1008572B Low-power, low-pressure, mercury-filled gas discharge lamp of compact design and method for producing same
06/27/1990CN1008571B High-pressure sodium vapour discharge lamp
06/27/1990CA2001953A1 Variable color-output strobe
06/26/1990US4937503 Fluorescent light source based on a phosphor excited by a molecular discharge
06/26/1990US4937496 Doped with metal halide
06/26/1990US4937495 Electrode structure for single ended high pressure discharge lamp
06/26/1990US4937494 High pressure discharge lamp having an electrode lead-through with a positioning crimp
06/26/1990US4937490 High intensity radiation apparatus and fluid recirculating system therefor
06/26/1990US4937487 Picture element lamp assembly for information display system
06/26/1990CA1270894A1 High pressure sodium vapor lamp having unsaturated vapor pressure type characteristics
06/26/1990CA1270893A1 High-pressure sodium vapour discharge lamp
06/26/1990CA1270886A1 High pressure metal vapor discharge lamp having a pre-heater
06/21/1990DE3939193A1 Haloge4n metal vapour lamp for optical appts. - has glass envelope containing electrodes spaced by between 1/2 and 1/3 of envelope outer dia.
06/21/1990CA2005812A1 Hid lamp with multiple discharge devices
06/20/1990EP0373567A1 Low-pressure mercury vapor discharge lamp
06/20/1990CN2058533U Fluorescent lamp tube