Patents for F21V 29 - Cooling or heating arrangements (43,888)
03/2004
03/25/2004US20040057227 Direct type back light device and frame thereof
03/25/2004US20040057027 Illumination apparatus and display apparatus using the illumination apparatus
03/24/2004EP1399941A2 Underwater lamp
03/24/2004EP1234197B1 An optical system for creating coloured fields of light and components therefor
03/23/2004US6709112 Light source device and projection type display capable of enclosing fragment herein in case of burst of discharge lamp during lighting
03/18/2004US20040051431 Illumination unit having at least one essentially U-shaped gas discharge lamp
03/18/2004US20040051429 Light source device
03/18/2004DE10241182A1 Ceiling or wall spot lights mounted on rail type busbars or similar means has pivoting housing for control equipment and pivoting lamp fitting
03/17/2004EP0726783B1 Apparatus and method for activating photoactive agents
03/16/2004US6707389 LED personal warning light
03/16/2004US6705744 Area lighting device using discrete light sources, such as LEDs
03/11/2004WO2004021460A2 Light emitting diode planar light source and low-profile headlight constructed therewith
03/10/2004EP1396754A1 Illumination apparatus and projection apparatus using the illumination apparatus
03/10/2004EP1395874A1 Lamphouse
03/04/2004WO2004018934A1 A down light protector arrangement
03/04/2004WO2003060379A3 Apparatus and method for increasing light output over operational life of arc lamp
03/04/2004US20040042212 Led planar light source and low-profile headlight constructed therewith
03/03/2004EP1394467A2 Discharge lamp lighting device and mounting structure therefor
03/03/2004EP1393374A1 High power led module for spot illumination
03/03/2004EP1392996A1 Exterior luminaire
03/02/2004US6700692 Electrochromic rearview mirror assembly incorporating a display/signal light
03/02/2004US6698913 Vehicle headlamp
03/02/2004US6698899 Light source and projector
02/2004
02/26/2004WO2004017131A1 Backlight device, liquid crystal display and method of lighting a liquid crystal display
02/26/2004WO2004017130A1 Liquid crystal display, backlight of such display, and a method of lighting a liqiud crystal display
02/26/2004US20040037088 Replaceable LED lamp capsule
02/26/2004US20040037087 Automotive lighting device
02/26/2004US20040037073 Lamp module and back light device having the same
02/26/2004DE20315760U1 Electrical lighting unit has sealed body with inset light emitting diodes behind cap with cover plate
02/26/2004DE20215834U1 Low voltage lighting using light emitting diodes that are mounted in a line within a profiled extruded material strip
02/25/2004EP1078202B1 An explosion-proof lighting fitting of a high safety class
02/24/2004US6696801 Microwave excited ultraviolet lamp system with improved lamp cooling
02/24/2004US6695461 Lamp unit, projector, and fixing method of light source lamp and reflector
02/21/2004CA2406766A1 Automotive lighting device
02/19/2004WO2004015406A1 Method for determining the quality or functional capacity of a surfactant
02/19/2004WO2003058665A3 Air-cooled lamp, and article treatment system and method utilizing an air-cooled lamp
02/19/2004US20040032745 LED alley/take-down light
02/19/2004US20040032737 Light cutter of a lamp for projector
02/18/2004CN1138942C Halogen lamp assembly for microwave oven
02/17/2004US6693682 Thermal control device for liquid crystal display
02/17/2004US6693381 Lamp and fan thermal control by directed air flow
02/13/2004CA2437022A1 Self heating thermal protector
02/12/2004US20040029436 Device supporting a light-emitting diode for an automobile signalling system, and a method of manufacturing such a device
02/12/2004US20040026721 Light emitting diode light source
02/12/2004DE20316344U1 Wall light for internal and external use has opposed up and down LED arrangement and minimized total height
02/12/2004DE10234102A1 Light emitting diode arrangement has many diodes which are directly interconnected by both housings and electrodes
02/05/2004US20040022059 Illuminating fixture for enclosed space containing a humid environment
02/04/2004CN2602254Y Light-transparent sheet block type LED underwater lamp
02/03/2004US6687063 Optical system for creating colored fields of light and components therefor
01/2004
01/29/2004WO2003096387A3 High efficiency solid-state light source and methods of use and manufacture
01/29/2004US20040017686 Lighting unit with discharge lamps, particularly for spotlights and the like
01/29/2004US20040017684 Waterproof Christmas light bulb
01/28/2004EP1384943A2 Lighting unit with discharge lamps, particularly for spotlights and the like
01/28/2004CN2601350Y Cupboard light
01/27/2004US6682211 Replaceable LED lamp capsule
01/22/2004WO2004007241A2 White led headlight
01/22/2004US20040012965 Light irradiating unit
01/22/2004DE10227720A1 LED-Scheinwerfer LED headlights
01/21/2004EP1382960A2 Light irradiating unit
01/21/2004CN1135314C Head lamp of vehicle
01/20/2004US6680576 Lighting apparatus using microwave
01/13/2004US6676279 Area lighting device using discrete light sources, such as LEDs
01/13/2004US6676278 Super bright LED utility and emergency light
01/08/2004US20040004424 Radiating member,illuminating device, electro-optical device, and electronic device
01/08/2004DE20317373U1 Flight-safety warning-light e.g. for wind power plant, has heat-sink positioned transversely to plane of light radiation
01/07/2004CN2597827Y Electrical box for lamps
01/02/2004EP1374319A1 Heat dissipation system for high power led lighting system
01/02/2004EP1374278A2 U-shaped discharge lamp and irradiation handpiece
01/01/2004US20040000677 Light emitting diode light source
12/2003
12/31/2003CN1465106A Light emitting device using led
12/30/2003US6670587 Self heating thermal protector
12/30/2003US6669355 Housing rotation lock for a track lighting fixture
12/24/2003WO2003107440A2 Opteolectronic devices
12/24/2003CN2594973Y Radiating energy-saving lamp case
12/23/2003US6667567 Light source unit
12/18/2003US20030230765 Light emitting diode light source
12/17/2003EP1371901A2 Lamp with axially mounted led lightsource
12/11/2003WO2003103064A1 Light emitting diode light source
12/11/2003WO2003102680A1 Backlight assembly and liquid crystal display apparatus having the same
12/11/2003US20030227774 Axial LED source
12/11/2003CA2486266A1 Light emitting diode light source
12/10/2003EP1369934A1 Light emitting diode lamp with light emitting diode module having improved heat dissipation
12/10/2003CN1460813A Fog-removing structure of headlight
12/09/2003US6661480 Liquid crystal display and light source device used for the same
12/04/2003WO2003100318A1 Light source arrangement
12/04/2003WO2003025629A3 Fiber optic light system
12/04/2003WO2002101777A3 Underwater lamp
12/04/2003US20030223236 Projection lamp with led matrix panel
12/03/2003EP1367870A1 Holding device for light emitting diode for vehicle signaling system and method of making the same
12/03/2003CN1459821A Electrodeless lamp device
12/02/2003US6655813 Multi-function luminaire
11/2003
11/27/2003WO2003098097A1 Mobile lighting system
11/27/2003US20030218885 Anti-fogging structure for headlight lamps
11/27/2003US20030218878 Modular mounting arrangement and method for light emitting diodes
11/27/2003US20030218417 Light emitting diode lamp with light emitting diode module having improved heat dissipation
11/26/2003EP1365191A2 Anti-fogging structure for headlight lamps
11/26/2003CN2588189Y Double corrugated reflection glass cup shape lampshade combination lamp casing with radiation holes for motorcycle
11/20/2003WO2003096387A2 High efficiency solid-state light source and methods of use and manufacture
11/20/2003WO2003095894A1 Led light assembly
11/20/2003US20030214813 Internally illuminated candle