Patents
Patents for H01J 61 - Gas-discharge or vapour-discharge lamps (29,612)
10/1991
10/15/1991US5057742 Discharge tube
10/15/1991US5057741 Glow discharge starter having dual gaps
10/15/1991US5057422 Recombinant dna: transformed microorganisms, plant cells and plants: a process for introducing an inducible property in plants, and a process for producing a polypeptide or protein by means of plants or plant cells
10/15/1991US5057048 Niobium-ceramic feedthrough assembly and ductility-preserving sealing process
10/09/1991EP0450772A1 Gas discharge lamp
10/09/1991EP0450523A1 High pressure metal vapor discharge lamp
10/09/1991CN2086462U Plane rhombus energy-saving electronic fluorescent lamp
10/09/1991CN1055257A High-pressure discharge lamp
10/08/1991US5055740 Horizontal burning metal halide lamp
10/08/1991US5055738 Low-pressure mercury vapor discharge lamp having a folded tube
10/08/1991US5055735 High pressure discharge lamp having improved containment structure
10/02/1991EP0449639A2 Biasing system for reducing ion loss in lamps
10/02/1991EP0449307A2 Fluorescent lamp and its manufacturing method
10/01/1991US5053933 Fluorescent lamp
10/01/1991US5053676 High-pressure discharge lamp
09/1991
09/30/1991CA2037886A1 Biasing system for reducing ion loss in lamps
09/26/1991DE4011213A1 Compact fluorescent lamp
09/25/1991EP0448172A1 High pressure discharge lamp
09/25/1991EP0448170A1 Low-pressure mercury vapour discharge lamp for suntanning purposes
09/25/1991EP0447957A2 Compact fluorescent lamp
09/24/1991US5051658 Electric high-pressure discharge lamp for use as a motor vehicle headlamp
09/24/1991US5051657 Safety filament assembly for double-enveloped arc discharge lamp
09/24/1991US5051655 Electrodes for single ended arc discharge tubes
09/24/1991US5051653 Fluorescent lamp with a reflective layer and a phosphor coating on the interior surface
09/24/1991US5051650 Ultraviolet-suppressed light source, coating agent used in the same, and method for manufacturing the same
09/24/1991US5051649 Arc discharge lamp with liquid metal and heating means
09/24/1991US5051648 Flat type low pressure gas discharge lamp
09/24/1991US5051277 Vaporization silicon precursor of tetraethoxy or tetramethoxy-silane through a phosphor powder, fluidization and oxidation a nd annealing, vaporization an aluminum precursor
09/22/1991CA2012880A1 Ballast
09/20/1991CA2102712A1 Compact fluorescent lamp
09/20/1991CA2038452A1 Compact fluorescent lamp
09/18/1991EP0446462A2 High-pressure discharge lamp
09/18/1991CN2085095U Energy-saving fluorescent lamp simulating sunlight or moonlight
09/17/1991US5049785 Two contact, AC-operated negative glow fluorescent lamp
09/17/1991US5049781 Discharge lamp
09/17/1991US5049779 Phosphor composition used for fluorescent lamp and fluorescent lamp using the same
09/17/1991US5048163 System for processing semiconductor materials
09/16/1991CA2037501A1 High-pressure discharge lamp
09/11/1991EP0445961A2 Protection for high-pressure electrodeless discharge lamps
09/11/1991CN2084658U Three-fan type high efficient power saving fluorescent lamp
09/11/1991CN1054506A Moonlight lamp
09/10/1991US5047695 Direct current (DC) acoustic operation of xenon-metal halide lamps using high-frequency ripple
09/10/1991US5047693 Starting aid for an electrodeless high intensity discharge lamp
09/10/1991US5047689 Gas discharge tube, indirectly heated cathode for use therein and drive circuit therefor
09/10/1991CA1288800C High-power uv radiator
09/10/1991CA1288799C Rare earth halide light source with enhanced red emission
09/04/1991EP0444591A2 Metal vapour discharge lamp
09/04/1991EP0444590A1 Metal vapor discharge lamp
09/04/1991CN1054333A High-pressure sodium discharge lamp
09/04/1991CN1054332A High-pressure sodium discharge lamp
09/03/1991US5045757 Metal vapor discharge lamp
09/03/1991US5045756 Non-conductive collar for the conductive shell of an electrical discharge device
09/03/1991US5045752 Mixing alumina with phosphor particles
09/03/1991US5045748 Tungsten-halogen incandescent and metal vapor discharge lamps and processes of making such
08/1991
08/28/1991EP0443964A1 Low watt metal halide lamp
08/28/1991EP0443795A2 Operating gas-discharge light sources
08/28/1991EP0443675A1 High-pressure sodium discharge lamp
08/28/1991EP0443674A1 High-pressure sodium discharge lamp
08/28/1991CN2083787U Healthy care lamp for tv watching
08/28/1991CN2083786U Long life high light-efficient full colour energy-saving fluorescent lamp
08/27/1991US5043634 Excitation of mercury vapor
08/27/1991US5043627 High-frequency fluorescent lamp
08/27/1991US5043626 Fluorescent lamp with composite safety coating and process of manufacture
08/27/1991US5043623 Reflector lamp assembly including metal halide arc tube
08/27/1991CA1288129C Low pressure arc discharge light source unit
08/27/1991CA1288127C Metal halide lamp having heat redistribution means
08/27/1991CA1288126C Low wattage metal halide discharge lamp
08/21/1991EP0442704A2 Metal halide lamp and method of making the same
08/21/1991CN2083341U Flat elliptic lamp
08/21/1991CN2083340U Long-life fluorescent light
08/21/1991CN2083339U External lead structure of high-pressure short-arc xenon lamp
08/21/1991CN2083338U Power-economizing fluorescent lamp
08/21/1991CN2083337U High-pressure sodium and mercury mixed light lamp
08/20/1991US5041762 Luminous panel
08/20/1991US5041758 Low-pressure mercury vapor discharge lamp
08/20/1991US5041755 Gas-discharge lamp
08/20/1991US5041041 Method of fabricating a composite lamp filament
08/17/1991CA2036485A1 Metal halide lamp and method of making the same
08/14/1991EP0441387A2 Low pressure gas discharge lamp
08/13/1991US5039912 Glass sheaths, interference filters
08/13/1991US5039908 Tri-model thermal switch and preheat lamp containing same
08/13/1991US5039905 Welding connection for an electric lamp
08/07/1991EP0440402A1 Discharge lamp
08/07/1991EP0439606A1 Glow discharge lamp containing thermal switch for producing double hot spots on cathode
08/07/1991EP0439603A1 Tri-model thermal switch and preheat lamp containing same
07/1991
07/31/1991CN2082067U Electronic neon lamp with low voltage
07/31/1991CN2082026U Cold-cathode plate-type fluorescent lamp
07/31/1991CN2082025U Quasi-core rod
07/30/1991US5036243 Glass plate illumination device sign with integral electrodes of particular thermal resistance
07/30/1991CA1287094C Automotive headlamp having a double-ended light source with an elliptical bulbous portion
07/25/1991WO1991010715A1 Phosphors with improved lumen output and lamps made therefrom
07/24/1991EP0438081A2 Metal vapor discharge lamp
07/24/1991EP0438060A2 Metal vapor discharge lamp of a single end type
07/24/1991CN2081574U Fast starting h fluorescent light tube
07/24/1991CN2081573U Belly core energy-saving fluorescent light
07/23/1991US5034661 Rare gas discharge fluorescent lamp device
07/23/1991US5034655 Circular fluorescent lamp
07/23/1991US5034650 Lamp with coating for absorption of ultraviolet light
07/16/1991US5032762 Protective beryllium oxide coating for high-intensity discharge lamps
07/16/1991US5032758 Precision tubulation for self mounting lamp