| Patents for F21V 9 - Light filters; Selection of luminescent materials for light screens (12,097) |
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| 11/10/1998 | US5835661 Light expanding system for producing a linear or planar light beam from a point-like light source |
| 11/10/1998 | US5833360 High efficiency lamp apparatus for producing a beam of polarized light |
| 11/10/1998 | US5833349 Phosphorescent lamp shade |
| 11/05/1998 | DE19813333A1 Electric surface lamp |
| 11/04/1998 | CN1197995A Wedge-base bulb and method for coating glass bulb of wedge-base bulb |
| 11/03/1998 | US5829868 High intensity lighting projectors |
| 10/28/1998 | EP0765452B1 High efficiency fluorescent lamp device |
| 10/20/1998 | US5825566 Method for producing and/or controlling chromatic luminous beams applicable on light projectors and/or observing and measuring instruments or the like |
| 10/20/1998 | US5825548 Cross-fading color filter and system |
| 10/20/1998 | US5825444 Fluorescent lamp |
| 10/14/1998 | EP0658244B1 System for varying light intensity such as for use in motion picture photography |
| 10/06/1998 | US5816692 Compact high-intensity UVA inspection lamp |
| 10/06/1998 | US5816690 Compact theatrical light and method |
| 10/06/1998 | US5816681 Inconspicuous light sources particularly for vehicular applications |
| 10/01/1998 | WO1998014730A3 Lighting system |
| 09/23/1998 | EP0865623A1 Fiber optic light source apparatus and method |
| 09/23/1998 | EP0795106A4 Antireflection coating for a temperature sensitive substrate |
| 09/23/1998 | CN2292211Y Safety lamp group for photographic dark room |
| 09/23/1998 | CN1194037A Photochromic spiroxazines, compositions and articles containing them |
| 09/22/1998 | CA2151775C Dimmer blade |
| 09/15/1998 | US5808709 Illuminator with polarization separating anisotropic layer between light guide and reflector |
| 09/15/1998 | US5807881 Method for selectively reducing activated leukocyte cell population |
| 09/15/1998 | US5807511 Blend of metal oxide, binder and dye |
| 09/11/1998 | WO1998039675A1 Reflector and illumination system |
| 09/09/1998 | EP0862794A1 Sealing material with wavelength converting effect, application and production process |
| 09/08/1998 | US5803580 Decorative light |
| 09/02/1998 | CN2289948Y Filter shade of projecting lamp |
| 08/26/1998 | EP0860652A2 Vehicle signal lamp |
| 08/26/1998 | EP0860650A2 Lighting device, such as a motor-vehicle headlamp, having means for adjusting the emitted light beam |
| 08/25/1998 | US5798057 Method of manufacturing a switchable cholesteric filter as well as a luminaire having such a filter |
| 08/19/1998 | CN1190715A High-effect lamp equipment for producing polarizing beam |
| 08/18/1998 | US5795058 Color image protection apparatus |
| 08/18/1998 | US5794881 Gel tensioning device |
| 08/18/1998 | CA2149416C Illuminated canopy system |
| 08/11/1998 | US5793544 Production process of composite optical filter |
| 08/04/1998 | US5790329 Color changing device for illumination purposes |
| 08/04/1998 | US5788364 Compact high-intensity UVA inspection lamp |
| 07/23/1998 | WO1998032041A1 Fiberoptic cable apparatus with adjustable filter |
| 07/16/1998 | WO1998030923A1 Optical element, a display device provided with said optical element, and a method of manufacturing the optical element |
| 07/15/1998 | CA2227469A1 Light control filter |
| 07/08/1998 | EP0794990B1 Ultraviolet transparent binder for phosphor fluorescent light box |
| 07/08/1998 | EP0785936A4 Photochromic naphthoxazine compounds |
| 07/07/1998 | US5776966 Selective cell inactivation in blood |
| 07/01/1998 | EP0850427A1 Photochromic spiroxazines, compositions and articles containing them |
| 06/30/1998 | CA2200364C Light source for use in leak detection in heating, ventilating, and air conditioning systems that utilize environmentally-safe materials |
| 06/23/1998 | US5770314 Transparent electrically conductive plate |
| 06/23/1998 | US5769535 Portable lamp having multiple brightness projection |
| 06/18/1998 | DE19651977A1 UV light radiating apparatus for hardening UV-curable coatings on flat objects, especially information-carrying discs |
| 06/17/1998 | EP0848206A2 Apparatus for illumination of theatre stages, TV-studios, or the like. |
| 06/10/1998 | EP0846911A1 Catalytic combustor |
| 06/09/1998 | US5764316 Liquid crystal dimmer plate and lighting system including the same |
| 06/09/1998 | US5762823 Switchable cholesteric filter and luminaire having such a filter |
| 06/02/1998 | US5758956 High intensity lighting projectors |
| 06/02/1998 | US5758955 Provided to project a beam of light |
| 05/28/1998 | WO1998022748A1 Headlamp for vehicles |
| 05/26/1998 | US5757111 Night light with phosphorescent element |
| 05/26/1998 | US5757110 Electrical discharge lamp with ultraviolet filtering globe having rear end part supported insulating base |
| 05/20/1998 | EP0842818A1 Signal light with two different signalling functions especially for vehicles |
| 05/20/1998 | DE19647357A1 Fahrzeugleuchte Vehicle light |
| 05/19/1998 | US5752761 High visibility flashlight |
| 05/13/1998 | EP0841685A2 High efficiency lamp apparatus for producing a beam of polarized light |
| 05/13/1998 | EP0840873A1 Apparatus for modifying a light beam |
| 05/12/1998 | US5750265 Silicon dioxide layer deposited between two titanium dioxide layers with an outer coating of conductive tin oxide |
| 05/05/1998 | US5746503 Illuminated canopy system |
| 04/30/1998 | WO1998018040A1 Light projection and lighting effects systems and methods |
| 04/29/1998 | EP0838698A2 Thermally reflecting laminate, transparent to visible light |
| 04/29/1998 | EP0838631A1 Signal light, especially for vehicles, with improved appearance when turned off |
| 04/25/1998 | CA2188849A1 Self-illuminating indicia & articles |
| 04/22/1998 | EP0837351A2 Projection display apparatus |
| 04/22/1998 | CN2279515Y Red, green and blue colourful picture element with filament lamp as luminous body |
| 04/16/1998 | WO1998015773A1 Light diffuser, especially for decorative lightening |
| 04/16/1998 | DE19722703A1 Lichtstreuelement, insbesondere für dekorative Beleuchtungszwecke Diffuser in particular for decorative lighting purposes |
| 04/16/1998 | DE19639829A1 Motor vehicle rear light with multiple functional zones |
| 04/15/1998 | CN1179204A High efficiency, highly controllable lighting apparatus and method |
| 04/15/1998 | CN1179002A Incandescent lamp, halogen-tungsten lamp and electric arc lamp with infrared reflecting film |
| 04/09/1998 | WO1998014732A1 Projector device for a multi-colour light beam |
| 04/09/1998 | WO1998014730A2 Lighting system |
| 04/09/1998 | CA2267391A1 Lighting system |
| 04/02/1998 | DE19638667A1 Mischfarbiges Licht abstrahlendes Halbleiterbauelement mit Lumineszenzkonversionselement Mixing Colored light radiating semiconductor component having luminescence |
| 03/26/1998 | WO1998012757A1 Sealing material with wavelength converting effect, application and production process |
| 03/24/1998 | US5731658 Ultraviolet binder for phosphor fluorescent light box |
| 03/19/1998 | DE19737550A1 Signal lamp for motor vehicle |
| 03/17/1998 | US5728994 Laser ablation method for making a light pattern generator on a transparent substrate |
| 03/12/1998 | WO1998010220A1 Light filter for dental use |
| 03/12/1998 | CA2264302A1 Light filter for dental use |
| 03/11/1998 | EP0828112A1 Signal light producing the required color light by additive synthesis |
| 03/10/1998 | US5725295 Lighting system and booth |
| 03/03/1998 | US5722761 Lamp assembly with filter producing variable proportions of ultraviolet and infrared radiation |
| 03/03/1998 | US5722755 Illumination device, particularly useable as a projector for color photography |
| 02/26/1998 | DE19705046A1 System for using solar energy, e.g. for illuminating buildings etc. |
| 02/24/1998 | US5721603 Illumination system and display device including such a system |
| 02/11/1998 | CN2274282Y Energy-saving and health-care film for fluorescent lamp |
| 02/10/1998 | US5716123 Elongated light tube |
| 02/03/1998 | US5713659 Illuminated canopy with access doors |
| 01/28/1998 | CN1171839A Antireflection coating for temp. sensitive substrate |
| 01/27/1998 | US5711598 Lamp device for producing a kaleidoscopic light output |
| 01/27/1998 | US5711592 Lamplight device for vehicle |
| 01/21/1998 | EP0819979A1 Darkroom illumination equipment |
| 01/21/1998 | EP0819884A1 Illumination device and application for illumination of a transmissive display |
| 01/20/1998 | US5709463 Backlighting for bright liquid crystal display |