Class / Patent application number | Description | Number of patent applications / Date published |
313578000 | Incandescent filament lamp | 40 |
20080258620 | Vibration resistent, energy efficient lamp - A vibration resistant, energy efficient lamp ( | 10-23-2008 |
20090033219 | Electric lamp with an outer bulb and an integral lamp with a method for its production - The invention relates to an electric lamp ( | 02-05-2009 |
20090045742 | Incandescent lamp having an illuminant that contains a high-temperature resistant metal compound - The invention relates to an incandescent lamp ( | 02-19-2009 |
20090302761 | DISCHARGE LAMP COMPRISING A DISCHARGE VESSEL AND AN ELECTRODE FRAME - The invention relates to a discharge lamp comprising a discharge vessel ( | 12-10-2009 |
20100084972 | High-Efficiency Light Bulb - A lightbulb comprising a base and a selectively detachable bulb means is disclosed. The base has an enclosure with a socket means, a base connector means, and a circuit means for conveying electric power from the socket means to the connector means. The bulb means has a bulb connector means that is mechanically and electrically cooperative with the base connector means to secure the bulb means to the base and conduct electrical power therethrough. The bulb means further includes a glass bulb that is fixed to the bulb connector means and encloses a non-opaque, substantially hollow capsule that includes within a filament. The capsule further has a non-reactive gas sealed therein. | 04-08-2010 |
20100156289 | Halogen Incandescent Lamp Having a Carbide-Containing Luminous Element - The invention relates to an incandescent lamp having a carbide-containing luminous element and current supplies holding the luminous element. A luminous element is introduced into a bulb together with a filling in a vacuum-tight manner, the luminous element having a metal carbide the melting point of which is preferably above that of tungsten, and the luminous element being helical. The luminous element has a core wire and a wrapped filament and is constituted of various materials and contains a metal carbide. | 06-24-2010 |
20100181907 | TANTALUM CARBIDE FILAMENT LAMP AND PROCESS FOR THE PRODUCTION THEREOF - The invention provides a filament lamp ( | 07-22-2010 |
20110215718 | HALOGEN INCANDESCENT LAMP FOR OPERATION ON MAINS VOLTAGE - A halogen incandescent lamp for operation at mains voltage is provided. The halogen incandescent lamp may include a unilaterally pinched bulb in which is accommodated a filament and a halogen-containing filling as well as an inert gas, wherein at least one bulb section disposed in the vicinity of the pinch is oval shaped, said filling containing xenon as the inert gas. | 09-08-2011 |
20110266948 | FILAMENT FOR INFRARED LAMP AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a filament for an infrared lamp used as a heater and a method of manufacturing the same. The method of fabricating the filament includes cutting a thin graphite plate into a thin graphite plate strip of a predetermined size, integrally adhering two sheets of the thin graphite plate strips using heat, primarily heating and plasticizing the integrally adhered graphite plate strips within an inert gas, coating a silicon-series coating solution on the primarily heated and plasticized graphite plate strips and naturally drying the graphite plate strips, and heating and plasticizing the naturally dried graphite plate strips using an identical process to the primary plasticity process and then naturally cooling the heated and plasticized graphite plate strips. | 11-03-2011 |
20120019134 | HIGH GAIN COATINGS AND METHODS - A halogen incandescent burner comprising a quartz body comprising a light emitting chamber, a filament positioned within the light emitting chamber, and a multilayer optical coating on at least a portion of the chamber. The coating may include a plurality of layers of a low refractive index material and a high refractive index material having a total thickness of at least nine microns, wherein the gain of the burner is at least 1.7. The high refractive index material may comprise tantala and the low refractive index material may comprise silica. | 01-26-2012 |
20120019135 | IR COATINGS AND METHODS - A lamp burner having a quartz body comprising a light emitting chamber intermediate a pair of end portions. A filament may be positioned within the light emitting chamber and a multilayer optical coating provided on at least a portion of the body. The coating may comprise a plurality of layers of a first material comprising silica, a plurality of layers of a second material comprising rutile titanium dioxide, and a plurality of layers of a third material having an index of refraction intermediate the indices of refraction of the layers of first material and the layers of second material. | 01-26-2012 |
20120146495 | HALOGEN BULB FOR VEHICLE HEADLIGHTS - A halogen bulb for vehicle headlights, comprising at least one filament, which is designed such that it can be used as a light source for generating a low-beam or high-beam and during operation has a lower electric power consumption than the filaments of conventional halogen bulbs used to generate a low-beam or high-beam. | 06-14-2012 |
20130320844 | HALOGEN INCANDESCENT LAMP FOR VEHICLE HEADLIGHTS AND VEHICLE HEADLIGHT - A halogen incandescent lamp for vehicle headlamps includes a coiled incandescent filament arranged within a transparent lamp vessel, wherein the incandescent filament is dimensioned in such a way that, during operation on an operating voltage of 13.2 V, the halogen incandescent lamp has an electrical power consumption in the region of greater than 22 watts and less than or equal to 27 watts and generates a luminous flux in the range of from 400 to 600 lumens. | 12-05-2013 |
20140084786 | LIGHT SOURCE DEVICE - A filament of simple structure showing improved conversion efficiency is provided. There is provided a light source device comprising a light-transmitting gas-tight container, a filament disposed in the light-transmitting gas-tight container, and a lead wire for supplying an electric current to the filament, wherein the filament consists of a single crystal. Sum of concentration of lattice defects and impurity concentration of the filament consisting of a single crystal is preferably lower than 0.01%. | 03-27-2014 |
20140184060 | HALOGEN INCANDESCENT LAMP FOR A VEHICLE HEADLIGHT - An incandescent halogen lamp for vehicle headlights may include a lamp base which defines a reference plane for orienting the incandescent halogen lamp in the vehicle headlight and includes a holder part having a substantially rotationally symmetrical external contour for holding a translucent lamp vessel, with the holder part having a first holder-part section connected to a component of the lamp base and a second holder-part section from which the translucent lamp vessel projects, wherein the second holder-part section has a smaller external diameter than the first holder-part section and wherein the height of the lamp base above the reference plane is in the 11.5-to-16.6-mm range. | 07-03-2014 |
20140265824 | TUBULAR LIGHT SOURCE HAVING OVERWIND - Embodiments of the present invention generally relate to a tubular lamp with a coiled filament having an overwind wrapped around the coil. In one embodiment, the tubular lamp has a coiled coil filament, and the coiled coil has an overwind wrapped around the coiled coil. | 09-18-2014 |
20140292187 | Heater Lamp and Heating Module - According to embodiments, a heater lamp that includes a bulb and an anchor ring is provided. The bulb has a linear portion and at least one bent portion. The bulb has a filament therein that includes a plurality of first coils which are connected in series, and a second coil which is connected to the first coils in series and has a number of turns less than that of the first coils. The bulb is sealed at both ends and light transmissive. The anchor ring holds the filament inside the bulb. | 10-02-2014 |
20140292188 | INCANDESCENT BULB, FILAMENT, AND METHOD FOR MANUFACTURING FILAMENT - An object of the present invention is to provide a filament showing improved conversion efficiency with a simple configuration. According to the present invention, surface of a filament material processed into a predetermined shape is processed into a mirror surface by mechanical polishing, and surface roughness (center line average roughness Ra) thereof is thereby made to be 1 μm or smaller. Reflectance of the filament can be thereby improved, and emissivity of the filament for lights of the infrared wavelength region can be suppressed. | 10-02-2014 |
20150048734 | Electric lamp and associated production method - In various embodiments, a lamp has a bulb with a pinch seal, which holds a light-emitting element by means of a wire clip. The wire clip consists of tungsten and has, at an end remote from films embedded in the pinch seal, an eyelet for holding the light-emitting element. An end of the wire clip which is close to a film is bent back. A film associated with the wire clip is folded in a roof-shaped manner. Overall, it is thus possible to realize a lamp with a long life. | 02-19-2015 |
20150145407 | ELECTRIC LAMP - An electric lamp having a longitudinal axis is provided. The electric lamp may include a base; and a built-in lamp, which has a pinch seal. Two power supply lines protrude out of the pinch seal. Two pins for connection to the power supply lines are provided on the base side. In each case one pin and one power supply line are connected by means of a mounting clip. A mounting clip is a punched sheet-metal part having a bottom which is configured so as to be substantially rectangular with a width B and a length L. Two spring arms are attached to the bottom, which spring arms surround the pinch seal of the built-in lamp. In each case one means for fastening a pin and one means for fastening a power supply line are provided on the mounting clip. | 05-28-2015 |
20160126084 | Method of producing a halogen lamp and halogen lamp - The present invention relates to a method for producing a halogen lamp, comprising the following steps: providing a glass tube blanket; dip-coating of the glass tube blanket using a sol gel process having an inorganic coating; forming a lamp bulb from the coated glass tube blanket. The present invention relates further to a halogen lamp produced accordingly. | 05-05-2016 |
20160203970 | HALOGEN LAMP | 07-14-2016 |
313579000 | Tungsten-halogen cycle lamp | 16 |
20080218079 | Cracking of Halogenated Hydrocarbon in Bulb of a Halogen Lamp by External Heat Source - The invention describes a method of treating a halogen lamp ( | 09-11-2008 |
20090051287 | Reflector Lamp - A reflector lamp, in particular a halogen reflector lamp, has a light-transmitting lamp vessel, in which at least one luminous member is accommodated, at least one vessel section of the lamp vessel being provided with a reflective coating. According to the invention, the reflective coating has an interference filter, which is substantially impervious to light in the visible wavelength range and has defined transmission and reflection properties for light in the infrared wavelength range. | 02-26-2009 |
20090085481 | Tungsten-Halogen Quartz Lamp - A tungsten-halogen quartz lamp with a structure for preventing glass-bead supporter from breaking off, which can insure that its glass-bead supporter could not leave and drop from the top of a bulb in any case, so that reliability of a holding-filament structure is greatly improved and the service life of the lamp is prolonged. For this purpose, a concave-baking ring is provided at the circumference of the bulb, which corresponds to a position below the glass-bead supporter which is mounted in the upper of inner-cavity of the bulb in a horizontal direction, to restrict the glass-bead supporter to the upper of the bulb. | 04-02-2009 |
20090108751 | LAMP MOUNT STRUCTURE - A lamp can include a low-beam filament arranged in a horizontal reference plane containing an optical axis of a glass bulb, and facing in a direction orthogonal to the optical axis. A high-beam filament can be arranged in a plane normal to the horizontal reference plane and in parallel with the low-beam filament. A pair of inner leads for supporting the low-beam filament can be located in the horizontal reference plane. A pair of inner leads for supporting the high-beam filament can be located in a plane defined in parallel with the optical axis and normal to the horizontal reference plane. | 04-30-2009 |
20100060161 | HALOGEN INCANDESCENT LAMP - The invention relates to a halogen incandescent lamp for motor vehicle headlamps with two incandescent filaments ( | 03-11-2010 |
20100072892 | HEATER LAMP - A halogen lamp including a glass bulb, a filament inserted inside the bulb, a pair of metal foils, and a pair of outer leads. Each metal foil has one end welded to the filament and the other end welded to the outer lead. The metal foils are contained in glass sleeves and they are collectively inserted inside the bulb. The bulb is softened by heating and shrinks because its inside pressure is reduced to seal the metal foils therein. Since the amount of glass of each sealed portion is larger than the other portions of the bulb by the amount of the sleeve, the shape of the sealed portion is stabilized. | 03-25-2010 |
20100090598 | LAMP FEATURING AN IMPROVED PINCH GEOMETRY - Disclosed is a lamp, particularly a halogen incandescent lamp, comprising a bulb that is provided with a pinch seal which is inserted into a base by means of an attachment ring. The attachment ring has a receiving section within which the pinch seal is clampingly fastened by means of attachment ring brackets that are supported on support surfaces. According to the invention, the support surfaces are placed at an angle from the longitudinal axis of the lamp. | 04-15-2010 |
20100123391 | Lamp - A method of making a cycleable, tungsten-halogen heat lamp for outputting a given amount of heat from a lamp envelope of given volume comprises the steps of designing a tungsten, incandescent coil capable of generating a given amount of heat, the coil to have a given number of secondary turns and a life time including a given number of cycles; and reducing the given number of secondary turns by one by increasing the diameter of the coil, whereby the given number of cycles of the lamp is increased by 100%. In practice the given number of cycles is in the range of 6800 to 7500 and the increased number of cycles is in the range of 15000. The lamp ( | 05-20-2010 |
20100148668 | HALOGEN INCANDESCENT LAMP - A halogen incandescent lamp is provided in various embodiments. The halogen incandescent lamp may include a bulb in which there are accommodated a luminous element and a fill with a halogen-containing additive; the halogen being at least one of iodine and bromine, wherein there is accommodated in the interior of the bulb a layer which can be activated at suitable temperatures, the layer containing at least one of bromine, chlorine, fluorine and oxides or sulfides and is arranged such that it can be touched by the luminous element in the case when the latter is passed through and, during operation of the lamp, ensures the lamp is quickly switched off owing to the release of a reactive substance. | 06-17-2010 |
20100207523 | HALOGEN INCANDESCENT LAMP AND METHOD FOR MANUFACTURING SUCH A LAMP - A halogen incandescent lamp for operating on line voltage, comprising a sealed bulb made from a transparent material and having a pinch at one end, a filling made from an inert gas and a halogen additive, and a luminous element comprised of a filament, wherein both ends of said filament are each connected with a contact element extending through the pinch, wherein a support structure is mounted in the lamp and extends in the bulb holding the filament in a predetermined shape, wherein the support structure comprises at least one metal support wire having an end part for engaging the filament, and wherein the support structure comprises an insulating glass mount, wherein said support wire is embedded in said glass mount such that no part of said metal support wire, or parts electrically connected therewith other than the contact elements, extend outside the lamp. | 08-19-2010 |
20100320900 | WELDING AID FOR A SPIRAL-WOUND FILAMENT - Disclosed are a welding aid for a spiral-wound filament of a lamp and a lamp comprising such a welding aid. The spiral-wound filament has a spiral-wound filament body and at least one spiral-wound filament tail. The welding aid is arranged at a distance d from the spiral-wound filament body and is designed to connect the at least one spiral-wound filament tail to a current-conducting support, the distance d being defined in accordance with a power P at which the lamp is operated. | 12-23-2010 |
20110089826 | HALOGEN INCANDESCENT LAMP - A halogen incandescent lamp may include a bulb, in which a light-emitting element and a fill with a halogen-containing additive is accommodated, the halogen containing F, wherein a fluorine-resistant layer which is passive at suitable temperatures is accommodated in the interior of the bulb and completely covers the inner wall. | 04-21-2011 |
20110095681 | Par lamp - A light source capsule ( | 04-28-2011 |
20110221337 | Electric lamp with an outer bulb and a built-in lamp and associated production method - In various embodiments, an electric lamp is provided, which may include an outer bulb and a base fastened thereto and a longitudinal axis, the bulb surrounding a built-in lamp, which is equipped with a pinch seal with two narrow sides and two broad sides, from which at least one outer power supply line protrudes, the feed line being held in a plate-like stand, the built-in lamp being held in the outer bulb by a cementless connecting means in the form of a mounting clip, wherein a connection between an outer power supply line and a feed line is ensured by virtue of the fact that a first one of these two component parts is bent back in the form of a bow, while the second of these component parts is bent back in the manner of a loop and is suspended in the bow. | 09-15-2011 |
20120319576 | EFFICIENT HALOGEN LAMP - A lamp includes a light transmissive envelope comprising two spaced apart elliptical portions that together form a hollow interior. The envelope has sealed end portions. Leads are in electrical contact with the filament near the end portions of the envelope for providing power to the lamp. There is a central portion of the envelope that spaces apart the elliptical portions. An electrically conductive filament is disposed in the interior of the envelope. The filament includes coiled-coil portions disposed in the elliptical portions in a coiled-coil shape and a single coil interval portion disposed between the coiled-coil portions at the central portion of the envelope. At least one filament support positions the filament near a center of the envelope. Gas is contained in the interior of the envelope. | 12-20-2012 |
20140132151 | SYSTEM FOR PROVIDING THERMAL ENERGY RADIATION DETECTABLE BY A THERMAL IMAGING UNIT - A thermal radiation marker adapted to emit radiation within the thermal portion of the infrared spectrum. According to some embodiments of the invention, the thermal radiation marker may include an incandescent filament and a glass or quartz enclosure. The incandescent filament may be adapted to produce radiation at least within the thermal portion of the infrared spectrum. The glass or quartz enclosure may include at least a portion that is substantially thin, and may enclose pressurized inert gas and the incandescent filament surrounded by the inert gas. At least a portion of the glass or quartz enclosure may be sufficiently thin so as to enable good transmittance therethrough for thermal radiation approximately in the 3-5 μm wavelength band. The pressurized inert gas enclosed within the glass or quartz enclosure and surrounding the incandescent filament may enable a regenerative cycle to take place within the enclosure. | 05-15-2014 |
313580000 | With filter, barrier, screen, shield, electric terminal or fuse | 2 |
20080231184 | Higher efficiency incandescent lighting using photon recycling - A metallic photonic crystal (MPC) structure used as a filter with incandescent lighting is presented that significantly improves efficiency, while retaining the desirable color rendering index of incandescent lighting. The resulting efficiency is higher than many existing lighting types. The MPC filter is implemented with only a single layer of square lattice or two layers of woodpile-like lattice has high reflection from the photonic band edge to infinitely long wavelength. The MPC filter can be used in a spherical, cylindrical or flat form depending on the illumination scheme. | 09-25-2008 |
20090134793 | IR REFLECTING GRATING FOR HALOGEN LAMPS - A lamp, such as a halogen lamp, includes a bulb which is sealed to define an interior chamber. An emitter, such as a filament, is disposed within the interior chamber which, during operation of the lamp, emits radiation in the visible and infrared regions of the spectrum. An optical grating, generally spaced from the emitter, is positioned to intercept radiation from the emitter. The optical grating reflects infrared radiation and transmits visible radiation therethrough. In this way, the output of the lamp in the visible range can be increased as compared with an otherwise identical lamp formed without the grating. | 05-28-2009 |