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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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)...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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 selflatching attachment of the arc tube to a support rod extending the length of the jacket...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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3946263 |
Encapsulated lamp assembly
An encapsulated lamp assembly for use under submerged conditions and in environments where the lamp may be subjected to extreme temperature variations and corrosive conditions, which includes a...
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3940656 |
High frequency tube apparatus
2. In a reflex klystron tube apparatus, means for forming a beam of electrons, a resonator means positioned along the beam path, said resonator means being apertured for the passage of the beam of...
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3935491 |
Discharge lamp
An elongated discharge lamp which is particularly intended for use in photo-chemical reaction processes. The discharge tube of the lamp is supported at its ends by two end mountings, one of which...
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3923663 |
Fluid purification device
A unitary device for purifying water and other fluids embodying an annular filter surrounding an elongate tube which in turn surrounds and cooperates with an elongate ultraviolet lamp to form a...
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3859554 |
ELECTRIC LAMP WITH INTEGRAL PLASTIC BASE MEMBER
An electric lamp having a vitreous envelope with a sealed end portion is permanently and securely fastened to a hollow preformed plastic base member by providing a laterally extending shoulder near...
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3819923 |
SEAL OFF AROUND GE3952 LAMP
A plug in guide light is provided having a molded thermoplastic body, and having power blades and a glow lamp extending from and supported by the body. The power blades are parallel to each other...
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3808495 |
GUARD FOR ILLUMINATION TUBES
A nonfrangible elongate tube or guard of light-transmitting qualities surrounds a conventional fluorescent lamp. At either end of the fluorescent lamp tight-fitting end caps with guard-receiving...
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3803435 |
STRAPPING OF PINCH TUBE TO MOUNT FRAME
In a jacketed lamp comprising an inner arc tube centrally supported within a vitreous outer envelope, the arc tube is attached to a mount frame by metal straps embracing its pinched ends. For a...
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3795830 |
LED SLIDEBASE SWITCHBOARD LAMP
A light-emitting diode slidebase switchboard lamp having an LED at one end of an elongated sheath and a rigid, non-conducting base at the other. A resistor and a rectifier positioned in the sheath...
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3673462 |
FLASHING ELECTRIC LAMP
The invention relates to a flashing electric lamp comprising a casing closed at the front by a removable glass and at the rear by a standard electric lamp base. A flashing electronic tube is...
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3673401 |
FLUORESCENT LAMP PROTECTION APPARATUS
A fluorescent lamp jacket assembly is disclosed employing an expansible or dilatable plastic jacket which substantially encloses the entire length of the glass envelope of a fluorescent lamp and is...
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3665235 |
MERCURY VAPOR LAMP
In a doped mercury vapor lamp having an elongate vertical burner, an upper portion of the surface of the burner is maintained at a lower temperature than a lower portion to reduce separation of the...
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3621323 |
COATED INCANDESCENT ELECTRIC LAMP
An incandescent electric lamp including an elastomeric coating extending continuously over the glass envelope of the lamp and down over the upper portion of the metallic base by at least 1/8th of...
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3596124 |
GAS HEATER FOR THE PRODUCTION OF GASEOUS PLASMA
Apparatus for the production of a gaseous plasma in a gas stream by means of an oscillatory electric current in which the gas-confining tube is positioned within a sheath and retained within the...
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3564329 |
SHIELDING APPARATUS OF METAL PLATES STRAP-MOUNTED ON CATHODE RAY TUBE FOR SHIELDING AGAINST EXTERNAL MAGNETIC FIELDS
Apparatus for shielding cathode ray tubes, particularly color picture tubes, from the effect of the earth's and other external magnetic fields. The shielding apparatus comprises a series of...
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3500453 |
FIBER GLASS COOLING JACKET FOR DIRECTING AIR ACROSS AN INFRARED SCANNING TUBE
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