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| Number | Title | Issue Date |
| 8093792 | Headlight lamp A headlight lamp with at least one incandescent filament, which is surrounded by a lamp vessel. The at least one incandescent filament is constructed in such a way that during lamp operation it generates a luminous flux, the value of which is greater than a predeter... | 01/10/2012 |
| 7441921 | Backlight unit and method of driving the same A backlight unit includes at least one cold cathode fluorescent lamp arranged at a lower end of a bottom cover, external electrode fluorescent lamps arranged on the bottom cover above the cold cathode fluorescent lamp, and inverters disposed on a rear side of the bo... | 10/28/2008 |
| 7083309 | Fluorescent lamp tube having integrated electronic ballast A new fluorescent lamp comprises a lamp tube and an electronic ballast, it is characterized in that it is provided with an outer tube, there are respectively an outer plug at both ends of the outer tube, in which inserts a socket for the lamp tube. The electronic ba... | 08/01/2006 |
| 6812645 | Inductively powered lamp assembly A lamp assembly configured to inductively receive power from a primary coil. The lamp assembly includes a lamp circuit including a secondary and a lamp connected in series. In a first aspect, the lamp circuit includes a capacitor connected in series with the lamp an... | 11/02/2004 |
| 6741016 | Focusing lens for electron emitter with shield layer An electron lens is used for focusing electrons from a cathode to an anode. The lens includes a first conductive layer with a first opening at a first distance from the cathode. The first conductive layer is held at a first voltage. The lens also includes a second c... | 05/25/2004 |
| 6717362 | Light emitting diode with gradient index layering A light emitting diode (100) is disclosed comprising a p-n junction diode for emitting light; and a transparent casing encapsulating the p-n junction diode. The transparent casing having an inner portion in contact with the p-n junction diode, wherein the ref... | 04/06/2004 |
| 6525455 | Bulb-form lamp and its manufacturing method To provide a bulb-form lamp including a few compartments, which can be easily fitted in a socket of a lighting equipment and reliably carry out electrical contact between a shell and the socket of the lighting equipment. The bulb-form lamp includes a shel... | 02/25/2003 |
| 6422721 | Tube guard system A tube guard system is provided for use in a flourescent light fixture and comprises at least one lamp assembly. The lamp assembly further comprises a lamp having two ends and having at least one terminal at each end, a sleeve having two ends and surround... | 07/23/2002 |
| 6366265 | Image-forming device An image-forming device having, in an envelope, an electron-emitting element, an image-forming member for forming an image by irradiation of an electron beam emitted from the electron-emitting element, and an electroconductive supporting member for suppor... | 04/02/2002 |
| 6234648 | Lighting system A lighting system includes at least two light-emitting diodes each emitting, in operation, visible light in a preselected wavelength range. A converter converts part of the visible light emitted by one of the diodes into visible light in a further wavelen... | 05/22/2001 |
| 6008062 | Undercutting technique for creating coating in spaced-apart segments A technique for creating a patterned coating entails forming a first region (26) over a primary component (22). A second region (28) is formed over part of the first region. The first region is etched so as to undercut the second region, thereby forming a... | 12/28/1999 |
| 5821681 | Low pressure discharge lamp assembly Low voltage discharge lamp assembly which has a plug-in base and, in some embodiments, includes a power supply as an integral part of the assembly. The electrode leads pass through a base cap to form contact pins for engagement with a socket. By controlli... | 10/13/1998 |
| 5777433 | High refractive index package material and a light emitting device encapsulated with such material A high refractive index package material is described that encapsulates a semiconductor light emitting chip. The high refractive index package material is transparent to the light emitted from the chip and includes a host material and a plurality of nanop... | 07/07/1998 |
| 5729078 | Electric lamp with containment sleeve having a helically coiled metal wire The electric discharge lamp has a discharge vessel (2), which is mounted in an outer bulb (1). A glass sleeve (10) is surrounding the discharge vessel. A coiled wire (11) is used as an envelope (11) to a glass sleeve. The wire is in an electrically floati... | 03/17/1998 |
| 5475280 | Vertical microelectronic field emission devices A vertical microelectronic field emitter includes a conductive top portion and a resistive bottom portion in an elongated column which extends vertically from a horizontal substrate. An emitting electrode may be formed at the base of the column, and an ex... | 12/12/1995 |
| 5406165 | High pressure discharge lamp having a containment sleeve fused to the exhaust tube An electric lamp has a lamp vessel (2) mounted in an outer bulb (1). A glass containment sleeve (10) surrounds the lamp vessel and is fused to a tipped off exhaust tube (5). A coiled wire (11) surrounds the sleeve 10 and provides further containment. The ... | 04/11/1995 |
| 5371431 | Vertical microelectronic field emission devices including elongate vertical pillars having resistive bottom portions A vertical microelectronic field emitter includes a conductive top portion and a resistive bottom portion in an elongated column which extends vertically from a horizontal substrate. An emitter electrode may be formed at the base of the column, and an ext... | 12/06/1994 |
| 5210462 | Flat panel display apparatus and a method of manufacturing thereof In a flat panel display using a field emission type cathode array, a flat fluorescent screen is arranged between a cathode array formed on a flat substrate and a screen comprising a glass plate having a convex curved shape in parallel with the substrate. ... | 05/11/1993 |
| 5182486 | Ceramic electric-discharge lamp incorporating arc tube having at least two curved regions The invention provides a ceramic electric-discharge lamp having a pinch-sealer which is set to an end of an outer envelope and covered by a base having a pair of base pins projecting themselves into the base. The outer envelope is in vacuum, in which an a... | 01/26/1993 |
| 5124618 | Shatter-proof fluorescent lamp A shatter-proof fluorescent lamp which includes a glass tube, electrodes connected to opposite terminal ends of the glass tube, a phosphor layer coated on the inside surface of the glass tube, a gaseous mixture containing mercury and rare gases confined i... | 06/23/1992 |
| 5043626 | Fluorescent lamp with composite safety coating and process of manufacture Composite safety coating and fluorescent lamp which lamp upon being energized causes the intermediate portion of the glass envelope to be heated to a relatively low temperature and causes the end portions of the glass envelope adjacent the end caps to be ... | 08/27/1991 |
| 4730138 | Coaxial mounting method Apparatus for securing a fragile cylindrical tube within an envelope by using at least two spaced-apart mounting rings which tend to center the tube within the envelope. Each mounting ring is provided with three radially-extending through-holes, and an el... | 03/08/1988 |
| 4727459 | Gas discharge illumination device A noble gas illumination device such as a neon tube in which the glass neon tube is clear and uncoated and is surrounded by a clear plastic tube. The clear plastic tube may be tinted or colorless. If it is tinted, it alters the color of the light emanatin... | 02/23/1988 |
| 4591752 | Incandescent lamp with high pressure rare gas filled tungsten-halogen element and transparent thick walled safety envelope An incandescent lamp unit in which a light emitting element of the tungsten-halogen type is placed within an outer, safety protecting transparent envelope. The element, being protected by the outer envelope, is filled with a gas at a high pressure, thereb... | 05/27/1986 |
| 4560900 | Cathode ray tube device with electromagnetic shield casing A cathode ray tube device which comprises an electromagnetic shielding casing, a cathode ray tube held in said casing, an elastic material provided between the casing and cathode ray tube in contact therewith, and a space or porous material formed in part... | 12/24/1985 |
| 4520290 | Gas discharge display with built-in heater A gas discharge display has been disclosed in which a heater has been built into the unit. A single set of parallel conductive pins provide the connections for the unit's anode, cathode and heater strip.... | 05/28/1985 |
| 4410828 | Jacketed lamp having transverse arc tube Transverse mounting of the arc tube within the lamp jacket is effected through a mount featuring a hinged self tube to a support rod extending the length of the jacket and serving also as electrical connector to one electrode. A flexible connector makes ... | 10/18/1983 |
| 4312028 | Shockproof fluorescent light fixture A light fixture has a support formed with a recess having an inner wall. An at least partially transparent lens covers the recess. A fluorescent tube in this recess is surrounded by a transparent and elastomeric cushion sleeve that is in turn covered by a... | 01/19/1982 |
| 4295180 | Wall mountable housing for programmable thermostat Disclosed is a packaging system for housing a programmable thermostat. The thermostat is easily installed with a minimum of tools. The housing securely contains the electronic components and conveniently and attractively mounts upon the wall without expos... | 10/13/1981 |
| 4198199 | Lamp with protective coating and method of applying same A photoflash lamp having a glass envelope with a clear protective exterior coating comprising a photopolymer. In applying the coating, the lamp is dipped in a liquid photopolymer and then cure-hardened by a short period of irradiation with a source of ult... | 04/15/1980 |
| 4195331 | Lamp changing module A lamp changing module for totally enclosing a lamp when the module is withdrawn from a support such as an illuminator cabinet, and permitting exposure of the lamp when properly installed and connected to the support. A potentially explosive lamp is there... | 03/25/1980 |
| 4188559 | Rotary anode X-ray tube A rotary anode X-ray tube capable of operating at very high voltages of several hundred thousand volts. The rotor and the stator of the motor for the rotary anode are electrically connected to the anode which is itself raised to a positive DC potential, w... | 02/12/1980 |
| 4171480 | Image intensifier tube An image intensifier comprises an image intensifier tube which is provided with a mounting ring, having a reference face which occupies a fixed position relative to an entrance window, even in the case of temperature variations. The image intensifier tube... | 10/16/1979 |
| 4147947 | Fluorescent lamp with integral thermal-insulating plastic jacket The light output of a fluorescent lamp is improved under cold temperature operating conditions by enclosing the envelope in a jacket of light-transmitting plastic material that has a plurality of air pockets or bubbles formed therein. The pockets of entra... | 04/03/1979 |
| 4144893 | Neuromuscular therapy device The invention contemplates an electroneuromuscular stimulator or therapy device wherein muscles may be stimulated through application of sufficiently characterized electrical pulses to a living body, via nerve endings related to the desired muscles to be ... | 03/20/1979 |
| 4129800 | Gas and/or vapor discharge lamp The invention relates to a low-pressure sodium vapor discharge lamp provided with a U-shaped discharge tube which is enveloped by an outer bulb. The bend of that discharge tube is supported by means of a metal element relative to the outer bulb. In accord... | 12/12/1978 |
| 4112485 | Impact resistant explosion proof lamp comprising encapsulated light source A lamp comprises one or more light sources encapsulated as by casting in an inner relatively soft impact absorbing transparent material, such as polymerized silicone rubber, and in an outer relatively hard impact resistant transparent material, such as ac... | 09/05/1978 |
| 4074165 | Decorative light source including a discharge lamp and resistor within an outer envelope An illuminating device used for decorating purposes comprises a base for electrical and mechanical connection to a socket, a discharge tube or bulb, a discharge control element for the discharge tube or bulb, supporting wires to support the discharge tube... | 02/14/1978 |
| 4048537 | Protective ultraviolet-transmitting sleeve for fluorescent lamp A protective shield for an ultraviolet-emitting fluorescent lamp comprising a tubular sleeve coaxially surrounding the lamp envelope and formed of a plastic material, such as a fluorocarbon resin of a fluorinated ethylene-propylene, which has a spectral t... | 09/13/1977 |
| 3988627 | Electron source A device for generating a high level electron current pulse includes a housing whose interior can be evacuated from outside the housing, a cathode electrode located in the housing and arranged to be connected to a high voltage generator, an anode electrod... | 10/26/1976 |
