Patents
Patents for H01J 61 - Gas-discharge or vapour-discharge lamps (29,612)
03/1991
03/13/1991EP0416937A2 A xenon-metal halide lamp particularly suited for automotive applications having an improved electrode structure
03/13/1991EP0416705A1 High-pressure discharge lamp
03/13/1991CN2073165U Rare earth fluorecent lamp bulb having long service cold catelectrode
03/13/1991CN2073164U Portable high efficiency d.c fluorecent lamp
03/13/1991CN2073074U Quick starting energy-saving long service fluorescent lamp
03/12/1991US4999538 Electric lamp including one-piece contact elements
03/07/1991WO1991003073A1 Tri-model thermal switch and preheat lamp containing same
03/07/1991WO1991003072A1 Glow discharge lamp containing thermal switch for producing double hot spots on cathode
03/07/1991WO1991000611A3 Glow discharge lamp
03/06/1991EP0415398A2 Ceramic electric-discharge lamp incorporating arc tube having at least two curved regions
03/06/1991CN2072756U 电极型荧光灯 Electrode Fluorescent Lamp
03/06/1991CN2072727U Long life fluorescent lamp
03/05/1991US4998038 Pitted light diffusive coating, a method of forming the coating and a lamp having the coating
03/05/1991US4998036 Metal vapor discharge lamp containing an arc tube with particular bulb structure
03/05/1991US4997400 Method of aligning and gapping arc lamp electrodes
03/05/1991CA1281063C Gas discharge lamp with built-in resistance to color center formation in ultraviolet-transmissive window
02/1991
02/27/1991CN2072276U Electronic fluorescent lamp for mine
02/27/1991CN1049571A Electrodeless low-pressure mercury vapour discharge lamp
02/26/1991US4996606 Light emitting device and original reading apparatus having the device
02/26/1991US4996465 Variable color lighting device
02/20/1991EP0413398A1 Electrodeless low-pressure mercury vapour discharge lamp
02/19/1991US4994715 Plasma pinch system and method of using same
02/19/1991US4994705 Water-cooled, low pressure gas discharge lamp
02/19/1991CA1280460C Multiple discharge device hid lamp with preferential starting
02/19/1991CA1280274C Composite body
02/13/1991EP0412740A2 Light sources
02/13/1991EP0412130A1 Device for igniting gas-discharge lamps
02/13/1991CN2071388U Double tube superimposed type electronic power saving lamp
02/13/1991CN1011645B Polyelement metal halide mixture pellet for lamp and its preparation method
02/12/1991US4992703 Metal halide lamp with dual starting electrodes and improved maintenance
02/12/1991US4992700 Metal halide electric arc
02/12/1991CA1280150C Metal halide lamp containing halide composition to control arc tube performance
02/09/1991CA2022754A1 Light sources
02/07/1991WO1991001566A1 Thick-film integrated flat fluorescent lamp
02/05/1991US4991074 Lighting lamp
02/05/1991US4990828 Mercury vapor releasing getter tape useful in the manufacture of cold cathodes for fluorescent lamps
02/05/1991US4990826 Low voltage gas discharge device
02/05/1991US4990821 Multicolor picture element with merged colors
02/05/1991US4990819 High pressure
01/1991
01/30/1991EP0410512A1 Electric lamp
01/30/1991EP0410511A1 Electric lamp
01/30/1991EP0410042A1 Lighting lamp
01/30/1991CN2070500U Three fundamental colour adjustable colour-changeable light
01/29/1991US4988918 Mercury, rare gas, and halogen; small diameter; brightness; semiconductors
01/29/1991US4988917 Hooked electrode for arc lamp
01/29/1991US4988916 Discharge arc lamp
01/29/1991US4988914 Phosphor and alumina layer
01/29/1991US4988318 Unsaturated vapor high pressure sodium lamp arc tube fabrication process
01/23/1991EP0409554A2 Optical interference coatings and lamps using same
01/23/1991EP0409337A1 Low-pressure metal vapour discharge lamp
01/23/1991EP0408981A2 High-pressure discharge lamp
01/23/1991CN2070033U Service life doubling fluorscent lamp and its socket
01/22/1991US4987344 Arc discharge lamp with internal starter
01/22/1991US4987342 Self-ballasted glow discharge lamp having indirectly-heated cathode
01/22/1991US4987341 Flash lamp with metal coating on an outer end of an electrode thereof
01/17/1991DE4021420A1 One-sided compact fluorescent lamp with secure contact - has slots for press fittings in neck of threaded pedestal contg. stress relief notch for one connecting lead
01/17/1991DE3922865A1 Mercury vapour lamp with solid-body recombination structure - is excited by HF energy in discharge space contg. fibre with specified surface-vol. ratio
01/16/1991EP0407850A1 High pressure discharge lamp
01/16/1991EP0407548A1 Deuterium lamp for spectral analysis devices.
01/16/1991CN2069613U Spring coupling type electronic energy-saving fluorescent
01/16/1991CN1048629A Electric lamp
01/15/1991US4985275 Method for producing a fused silica envelope for discharge lamp
01/10/1991WO1991000611A2 Glow discharge lamp
01/09/1991EP0407373A2 Gas discharge tube
01/09/1991EP0407160A2 A discharge tube arrangement
01/09/1991EP0406948A1 Electric lamp
01/09/1991EP0406499A1 Fluorescent bulb having a tubular base with electrodes turned upside down
01/08/1991US4983889 Discharge lamp using acoustic resonant oscillations to ensure high efficiency
01/08/1991US4983888 Fluorescent lamp device
01/05/1991CA2020161A1 Electric lamp
01/03/1991DE4018075A1 Low pressure gas discharge lamp electrode - comprises insulating base element with metal layer carrying spaced metal contacts
01/02/1991EP0404830A1 Annular fluorescent lamp
01/02/1991EP0151647B1 Method of manufacturing a low-pressure mercury-vapor arc lamp
01/01/1991US4982140 Starting aid for an electrodeless high intensity discharge lamp
01/01/1991US4981330 High-pressure sodium vapor discharge lamp
12/1990
12/27/1990EP0404406A2 Light source unit for using exposure
12/26/1990CN2068282U Socket and base jointed type electronic energy-saving fluorescent lamp
12/26/1990CN2068281U Energy-saving electronic fluorescent lamp
12/25/1990US4980236 Melting ceramic containing filler occupying specified volume fraction seals togather a first and second ceramic material
12/19/1990EP0403211A2 Arc tube for a high pressure discharge lamp
12/19/1990EP0402878A1 Low pressure rare gas discharge lamp
12/19/1990EP0368874A4 Fluorescent reflector lamp assembly
12/18/1990US4978892 Flash discharge
12/18/1990US4978891 Electrodeless lamp system with controllable spectral output
12/18/1990US4978890 Fluorescent lamp device
12/18/1990US4978888 Thick-film integrated flat fluorescent lamp
12/18/1990US4978887 Single ended metal vapor discharge lamp with insulating film
12/18/1990US4978884 Metal halide discharge lamp having low color temperature and improved color rendition
12/18/1990US4978180 Tri-model type circuit breaker and rapid-start fluorescent lamp containing same
12/18/1990CA1278021C Discharge lamp having envelope support spacer
12/13/1990DE3918172A1 Gas discharge lamp - with silicone rubber shock absorbers sheath for pinched bases of lamp preventing breaks in connector
12/12/1990EP0401403A1 Flash lamp
12/11/1990US4977349 Low-pressure mercury vapor discharge lamp
12/11/1990US4977346 High pressure sodium discharge lamp having gas filled outer envelope
12/11/1990CA1277551C2 Method for coating phosphor particles, phosphor particle, fluorescent lamp, and manufacturing method
12/05/1990EP0400980A2 Metal halide lamp
12/04/1990US4975622 HPS discharge lamp with simplified starting aid structure
12/04/1990US4975620 Metal vapor discharge lamp and method of producing the same
11/1990
11/28/1990EP0399428A2 Rare gas discharge fluorescent lamp device
11/28/1990EP0399288A2 Discharge lamp using acoustic resonant oscillations to ensure high efficiency