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4342944 Light emitting diodes with high external quantum efficiency  
A surface emitting light emitting diode (LED) has a reflecting element to redirect light emitted away from the light emitting region towards an exit window. The LED bottom contact is formed over...
4342937 Metal halogen vapor lamp provided with a heat reflecting layer  
The invention relates to a metal halogen vapor lamp with a discharge tube coated on surfaces adjacent to its electrodes with a heat reflecting layer. The discharge space comprising a discharge tube...
4339685 Sealed beam lamp assembly  
A sealed beam lamp assembly, suitable for use as a motor vehicle headlight, has an incandescent lamp mounted within an inert-gas-filled, molded-glass housing integrally comprising a reflector and a...
4336479 Fluorescent lamp having reflective layer and a method for fabricating the same  
A fluorescent lamp with reflective layer of the present invention has a first phosphor layer and a second phosphor layer which are partially laminated. The first phosphor layer is formed on the...
4331901 Electric incandescent lamp  
In the electric incandescent lamps having an infrared radiation-reflecting filter which is pervious to visible light, the efficiency can be increased by adapting the geometry of the filter and the...
4329614 Sealed-beam headlight  
An electric light source for use in a vehicle headlight unit capable of emitting dipped light beams, especially a sealed-beam headlight unit. The light source has a single filament or two-filament...
4319156 Vehicle headlight having dual filament tungsten halogen lamp  
A tungsten-halogen incandescent lamp which includes a vitreous envelope, an inert gas and halogen fill, and two pairs of straight, parallel lead-in wires retained within the envelope's press-sealed...
4317060 Bowl mirrored lamp  
Bowl mirrored lamps according to the invention have a filament which is arranged asymmetrically with respect to the axis of the lamp envelope and surrounds the axis over an angle greater than 180°...
4316240 Inner lamp mount assembly for vehicular headlamp and similar lighting apparatus  
The efficacy, life and beam intensity of a sealed-beam headlamp are enhanced by employing a compact baseless halogen-cycle incandescent lamp as the inner light source and mounting it in optically...
4315186 Reflective lamp  
Provided is a reflective lamp comprising a bulb including a front lens section and a reflective mirror section fused thereto, said front lens section consisting of glass material containing...
4308186 Reflector coating composition for fluorescent lamps  
An essentially water-base coating to form reflective films on the inner wall of fluorescent lamps is prepared from a dispersion of TiO 2 in a vehicle comprising a water solution of an organic...
RE30832 Ellipsoidal reflector lamp  
A blown glass reflector lamp having an ellipsoidal reflector and a clear or lightly frosted face is disclosed.
4305015 Sealed beam lamp including halogen bulb with light shielding layer  
A sealed beam lamp is provided, comprising a lamp envelope comprised of a reflector having an open front and a lens attached to the edge of the reflector, and a halogen bulb attached to the lamp...
4302697 Pressure relief hole seal for a sealed-beam headlamp  
The invention relates to automobile sealed-beam headlamps in which a reflector and lens assembly are hermetically sealed by an epoxy resin. A pressure relief hole in the reflector eliminates the...
4300189 Sealed beam lamp unit having bonded terminals  
A sealed beam headlamp having a lamp terminal formed from a closed end eyelet which is inserted within a lug for forming a metal barrier which is bonded within an envelope opening. The lamp...
4292564 Lamp/reflector unit  
A light bulb is mounted in a reflector member, by means of mounting members, elongate intermediate members and support pins. The mounting members each engage, opposite to each other, around a...
4287448 Mechanical stop means for a prefocused plastic PAR lamp  
Improved mechanical stop means are provided for a sealed prefocused light source mount for a parabolic aluminized reflector (PAR) lamp and, in particular, to improved mechanical stop means for an...
4280173 Heat shield for plastic headlamp  
A heat shield is disclosed for rectangular PAR lamps in which the shield is mechanically attached to the roof of the lamp by two rails into which the shield slides.
4276585 Rectangular-opening sealed beam units for automobile lighting  
The invention relates to sealed beam units for automobile vehicles and more particularly to a sealed beam unit with rectangular opening contour, characterized: (a) by a reflector limited to the...
4264375 Detector for high intensity laser radiation  
The reliability of a high intensity laser radiation surface ionization detector is increased by providing a target material for the high intensity laser radiation having a target material...
4262228 Electric lamp with U-shaped support wires  
An electric lamp including a reflector and a lens secured together to define an enclosure therebetween. A bulb is supported in the enclosure by support wires. Each support wire has a substantially...
4255687 Low pressure mercury vapor discharge lamp  
Low pressure mercury vapor discharge lamp having a cylindrical discharge vessel the inner surface of which is, at least partly, coated with a luminescent layer, a reflecting layer containing...
4253037 High-pressure sodium-vapor discharge lamp  
The invention relates to a high-pressure sodium-vapor discharge lamp having substantially the same color temperature as an incandescent lamp. The invention provides a high-pressure sodium-vapor...
4249101 Incandescent lamp with infrared reflecting-visible energy transmitting coating and misaligned filament  
An incandescent electric lamp having an envelope and means for reflecting infrared energy back to the filament to increase its operating temperature while transmitting visible energy. The envelope...
4238704 Sealed beam lamp of borosilicate glass with a sealing glass of zinc silicoborate and a mill addition of cordierite  
A composite article is disclosed which embodies a thermally sensitive component enclosed within borosilicate glass bodies having a coefficient of thermal expansion in the range of 30 to 40×10 -7 ...
4221989 Electric lamp seal construction  
In electric lamps according to the invention the alkali-alumino-borosilicate glass of the pinch seal of the lamp envelope is directly fused to the molybdenum current supply wire of diameter D. A...
4210841 All plastic headlamp  
A practical all plastic headlamp is disclosed comprising, for the lens and reflector, an engineering plastic having a heat distortion temperature in excess of 130° C.
4208604 Low-pressure mercury vapor discharge lamp  
Low-pressure mercury vapor discharge lamp comprising an U-shaped discharge tube of which at least the legs are accommodated in recesses of a cylindrical body.
4197480 Reflector-type hid sodium vapor lamp unit with dichroic reflector  
A reflector-type high-intensity-discharge vapor lamp unit having a generally parabolic rear reflector member is provided with a dichroic reflector carried as a coating on the inner surface thereof....
4195245 Sealed beam lamp for automobile  
A sealed beam lamp for an automobile which is provided with a halogen bulb having a plurality of filaments. The filaments are arranged in a vertical direction to a rotary axis of a reflector of the...
4190786 Discharge lamp  
A discharge lamp of the type which seals mercury and a rare gas in a bulb having sealed therein a pair of electrodes and in which both the mercury and the rare gas contribute to discharge...
4189657 Method of making sealed beam lamp  
A tungsten-halogen lamp capsule is disposed within a curved reflector, the lead-in support wires for the capsule protruding through the rear portion of the reflector. After a front lens is sealed...
4182970 Filament shields for par lamps  
A filament shield for pressed glass reflector lamps is disclosed which comprises an iron base having an aluminum coating thereon heated to produce an FeAl 3 outer layer having a dark, matte finish.
4181869 Tungsten halogen lamp in reflector envelope  
An electric lamp comprises a reflector envelope having a sealed tungsten-halogen lamp disposed therein. The lead-in conductor supports for the lamp extend through, and are connected to, metal...
4180755 Sealed beam lamp including filament locating means  
In a sealed beam incandescent lamp a generally concave reflector member is provided with three or more bosses having flat outer surfaces. The surfaces define a plane perpendicular to the axis of...
4179037 Xenon arc lamp with compressive ceramic to metal seals  
A high pressure arc lamp envelope having an anode portion and cathode portion, separated by a ceramic insulator, is configured to prevent the high pressure from causing tensile stresses in the...
4174487 Mirror condenser lamp  
A mirror condenser lamp has significantly smaller dimensions than prior art lamps. The current supply conductors extend from the intersection of a reflector portion and a lens portion.
4171497 Sealed beam lamp for automobile  
A sealed beam lamp for an automobile comprises a halogen bulb mounted on a reflector. A bracket is mounted on the reflector and has a socket recess in which a pinch sealed portion of the halogen...
4169238 Movie light, low voltage incandescent lamp unit for use therewith, and reflector  
A movie light including a plastic holder, a pair of spaced-apart incandescent lamp units positioned within the holder, and means for electrically connecting the lamp units to an external power...
4158153 Low voltage fluorescent lamp having a plurality of cathode means  
A new low voltage fluorescent light bulb is described. The bulb operates in a screw type socket on single-phase alternating current. No ballast is required. The lumen output of the new bulb is more...
4156271 Reflector lamp  
A reflector lamp is disclosed in which the lamp includes an integral reflector with the filament of the lamp in a predetermined relation with the focus of the reflector.
4152618 Light-emitting display device including light diffusing film  
A light-emitting display device comprising a light-emitting element, a substrate on which the light-emitting element is disposed, a reflector for reflecting the light from the light-emitting...
4150316 Incandescent projection lamp with internal reflector having light defining opening therein  
An incandescent projection lamp which includes a reflector located within the lamp's envelope at an established distance from a biplanar filament structure. The lamp provides bidirectional light...
4146812 Motor vehicle headlight having filling hole sealed with non-rigid material  
A motor vehicle headlight comprises a curved reflector having a lens bonded to the front thereof. A tungsten-halogen capsule is disposed within the reflector. A filling hole extends through the...
4138621 Short-arc discharge lamp with starting device  
A short-arc discharge lamp having a pair of electrodes sealed through stems into a bulb, and an external starting device comprising an electrical conductor extending from the vicinity of the stem...
4116710 Metallic particulate  
A method of providing a particulate suitable for use in, for example, coating compositions, such as paints. The described method comprises depositing a metal on a substrate by, for example,...
4110658 Electric incandescent lamp  
An electric incandescent lamp having a rotational axis, includes a filament formed with a coil disposed in bowed form across the axis of the lamp, the length CL of the coil, measured along the mean...
4110661 Light emitting device for optical communications  
A high-speed, light emitting device which utilizes a solid state source for generating light for use in fiber optical communications. The source is an active, narrow band gap layer of...
4109175 High pressure sodium vapor discharge lamp  
A high pressure sodium vapor discharge lamp comprises an alumina tube envelope containing therein sodium, inert starting gas, buffer gas source of mercury or cadmium and discharge electrodes sealed...
4099090 Fluorescent lamp having a longitudinal stripe of phosphor on outer envelope surface with reflector layer thereover  
Luminescent material, the performance of which is impaired when directly exposed to the environment of a fluorescent lamp discharge, is carried in the form of a longitudinally disposed stripe on...