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6700316 |
Projector type lamp
A projector type lamp can include a projection lens formed by combining together projection lens elements obtained by processing a plurality of projection lenses that can be substantially identical...
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6690102 |
Electric lamp
The electric lamp has a light source ( 3 ) having a first ( 31 ) and a second light-generating portion ( 32 ) in a concave reflector ( 2 ). The reflector has an axis of symmetry ( 20 ) and a first...
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6686677 |
Optical device
To provide an optical device in which fragments of a concave reflection mirror surrounding a discharge lamp and fragments of an optically permeable glass plate covering the aperture at the front of...
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6667582 |
Light emitting diode reflector
A reflector for an LED ( 7 ) having a housing ( 1 ) and front portion ( 10 ) for emitting a main beam of light, the reflector comprising a body ( 6 ) defining a cavity in which the LED ( 7 ) maybe...
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6657369 |
Lamp with reflector and method of manufacturing the same
A lamp with a reflector in which a lamp is fixed firmly inside a reflector by fixing the lamp inside the reflector without using an adhesive. The lamp with a reflector includes a lamp having a base...
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6653765 |
Uniform angular light distribution from LEDs
A light source ( 10 ) includes a light emitting component ( 32 ), such as a UV/blue light emitting diode or laser diode, a layer ( 46 ) of a light scattering material ( 42 ), and a layer ( 48 ) of...
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6653801 |
Mercury-free metal-halide lamp
A pair of electrodes ( 3 ) are provided in an arc tube ( 1 ) I/S is 20 (A/mm 2 ) or less on a condition that an area of a cross section at a tip of the electrodes ( 3 ) is S (mm 2 ) and an...
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6639342 |
Electric lamp
The electric lamp employs a lamp vessel ( 1 ), which is transparent to visible light and which accommodates a light source ( 2 ). The lamp vessel ( 1 ) is covered with a combination of a...
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6639359 |
Organic EL display device higher brightness and a method for manufacturing the same
The present invention discloses an organic EL device, including a transparent substrate, at least one first electrodes disposed on the substrate, at least one conductive light reflecting layer...
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6634777 |
Molded retention features for internal movable reflector lamps
A movable reflector with integrally molded bulb assembly retention features. The movable reflector comprises a bore at the center of the reflector for receiving a bulb assembly and retention...
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6633110 |
Underwater lamp
A lamp assembly comprised of a waterproof casing, a lamp disposed within the casing, and a source of electrical current electrically connected to the lamp, from the source to the lamp. The lamp,...
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6630769 |
Flat illumination device with mirror surface
A flat illumination device ( 1 ), includes a base plate and a front plate which are connected to form an at least partially transparent vessel which, in its interior, has an ionizable fill. In a...
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6630770 |
Automotive headlamp with support wire positioning
A light source bulb in an automotive headlamp having a lamp chamber defined by a lamp housing and a lens, where the lamp chamber includes a reflector and the light source bulb arranged therein. The...
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6621195 |
Spot light-source device excited by electromagnetic energy
To provide a spot light-source device whose discharge envelope has high pressure resistance and that emits high brightness as a spot light source, a spot light-source device excited by...
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6617806 |
High brightness microwave lamp
An electrodeless microwave discharge lamp includes a source of microwave energy, a microwave cavity, a structure configured to transmit the microwave energy from the source to the microwave cavity,...
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6611082 |
Lamp for producing daylight spectral distribution
An integral lamp for producing a spectral light distribution substantially identical in uniformity to the spectral light distribution of a desired daylight with a color temperature of from about...
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6611086 |
Light source bulb for head lamp
In first to third support wires ( 12, 13, 14 ) connected to a low beam filament L and a high beam filament H, which are arranged in the light source bulb 9, a bent portion 13 a is formed by...
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6611102 |
Tungsten-halogen light bulb, and reflector lamp using the same
The present invention provides a tungsten-halogen light bulb having an arc tube with a seal portion at one end. A filament is provided in the interior of the arc tube, and a basic gas mainly...
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6608442 |
Flat bulb
The invention relates to a bulb designed for emitting radiation through an emission surface ES of an envelope ENV which contains a radiation source ELM. According to the invention, the emission...
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6604845 |
Display lamp with optically curved heat shield
A low voltage display lamp is provided for use in standard threaded lamp sockets. The lamp has a heat shield to reflect infrared radiation (IR) away from the ballast to reduce the ballast's...
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6603243 |
LED light source with field-of-view-controlling optics
Pixels for a large video display which employs solid-state emitters, such as colored light emitting diodes, as light source are formed by outfitting each colored solid state emitter within the...
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6602104 |
Simplified miniature xenon arc lamp
An arc lamp comprises nine component parts that are brought together in three brazes and one TIG-weld to result in a finished product. An anode assembly is brazed with the rest of a body...
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6603258 |
Light emitting diode device that emits white light
A white-light emitting diode (LED) is provided that emits primary light at a wavelength that is in the range of 485 to 515 nanometers (nm), which corresponds to a bluish-green color. A portion of...
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6597087 |
Miniature xenon ARC lamp with cathode slot-mounted to strut
An arc lamp comprises a single edge-to-edge cathode support strut on which the cathode is mounted with an end slot. Such makes heat and thermal stress loading on the assembly symmetrical over...
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6586864 |
Reflector lamp having a reflecting section with faceted surfaces
The invention is related to a reflector lamp comprising a parabolic primary reflecting section, a parabolic or spheric secondary reflecting section joined to the primary reflecting section, a...
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6586775 |
Light-emitting device and a display apparatus having a light-emitting device
A light emitting device which emits visible light through heat radiation of a tungsten filament. Photonic crystal structures in each of which Ag spheres are arranged in a TiO 2 film are provided...
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6585397 |
Reflector for a projection light source
The object of the present invention is to effectively utilize the light rays emitted from a light source lamp 1 , and, for accomplishing this object, a reflector 2 is made up of a first...
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6583543 |
Fluorescent lamp with improved productivity, and manufacturing method for the fluorescent lamp
An arc tube is a connected bulb composed of three U-shaped bulbs that are set annularly on a holder and connected by a bridge connector to include a serpentine discharge path. Electrodes are...
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6583535 |
Tube, with bore having convex sides, for emitting electromagnetic radiation, and method thereof
The invention relates to a tube emitting electromagnetic radiation which is made of glass or transparent non-fluorescent quartz, and has an elongated boring able to house a radiation-emitting...
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6580212 |
Display device with improved contrast
A display device comprising: a light-emissive structure including two regions of light emissive material for emitting light in a viewing direction, the regions being spaced apart in a direction...
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6575599 |
Light source device for projection apparatus
In a light source unit which has a discharge lamp which is located in a differential pressure passage system, an arrangement in which the discharge lamp and a concave reflector can be cooled with...
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6573653 |
Chip semiconductor light-emitting device
A chip light-emitting device includes a baseboard LED elements different in color of emission light are respectively mounted on two electrodes formed on a surface of the baseboard. A reflector has...
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6568840 |
Vehicle lamp
A vehicle lamp formed by integrally molding a lens and a lamp body, which can be practically applied is described. A vehicle lamp 1 is formed by integrally molding a lens 2 and a lamp body 3 using...
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6570303 |
Light unit with improved heat dissipation
A lamp unit ( 3 ) for use with digital micromirror devices has a direct current short arc discharge lamp ( 1 ) in which at least 0.15 mg/mm 3 of mercury is sealed. A short focal length, elliptical...
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6570302 |
Electric lamp with light-absorbing medium and interference film
The electric lamp comprises a lamp vessel ( 11 ) which transmits visible light and which accommodates a light source ( 12 ). The electric lamp comprises a light-absorbing medium ( 16 ). The lamp...
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6566815 |
Reflector high-pressure discharge lamp unit
The reflector high-pressure discharge lamp unit has a reflector ( 2 ), a high-pressure discharge lamp ( 3 ) arranged on the axis of the reflector ( 2 ), a first base part ( 4 ) connected to the...
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6563255 |
Luminaire incorporating arc tube preheater
A high intensity discharge (HID) lamp luminaire including a heater for eating the lamp arc tube prior to starting. Preheating the arc tube decreases the amount of damage done by starting, and...
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6560038 |
Light extraction from LEDs with light pipes
A non-imaging optical coupler that is a figure of revolution combining a light-transmitting body defining a recessed input cavity, a transparent droplet-shaped encapsulant of a light-emitting...
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6554452 |
Machine-vision ring-reflector illumination system and method
An illumination method and apparatus for machine-vision systems, including a ring-light source (e.g., LEDs arranged in one or more circular rows), and a reflective-ring focusing element. The...
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6555948 |
Electric incandescent lamp
The invention relates to an electric incandescent lamp having a lamp vessel ( 12 ), at least one filament ( 14 ) which is arranged in the lamp vessel ( 12 ) and comprises at least a filament...
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6534903 |
Broad spectrum reflective coating for an electric lamp
An interference coating ( 22 ) for reflecting both visible light and a portion of the region of the infrared spectrum is disclosed. The coating includes a dichroic structure of a plurality of...
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6518691 |
Area type light emitting device and manufacturing method thereof
An area type light emitting device, in which a reflection component can be firmly fixed to a transparent light guide component, and the manufacturing cost of the device can be reduce, is provided....
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6515406 |
High-pressure mercury vapor discharge lamp and lamp unit
A short-arc high-pressure mercury vapor discharge lamp includes a pair of electrodes in an arc tube and encloses mercury, a rare gas, and so forth in the arc tube. The lamp is so constructed as to...
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6515857 |
Visual heat sink for computers and method of use
Attractive heat sinks are used to cool the central processing unit and other solid state electronic components in electronic devices such as computers. In preferred embodiments, heat sinks snap...
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6509674 |
Discharge lamp with ventilation passage
A discharge lamp is provided which employs a higher-pressure and higher-wattage lamp body 1 and is capable of effectively preventing the scattering of broken pieces of the lamp body 1 at...
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6509675 |
Aperture lamp
A discharge lamp includes means for containing a light emitting fill, the fill being capable of absorbing light at one wavelength and re-emitting the light at a different wavelength, the light...
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6497506 |
Head lamp apparatus for vehicle
A head lamp apparatus for a vehicle comprises a lamp housing mounted to a front portion of a vehicle body, a head lamp bulb disposed inside the lamp housing and adapted to radiate a light, a...
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6498423 |
Lamp thermal control by directed air flow
A method for thermal control of a lamp assembly which includes an arc lamp and an associated reflector enclosed within an outer housing. The method includes providing a predetermined air flow path...
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6483239 |
Light source device
A light source device including a short arc discharge lamp having a pair of opposed electrodes within a light emitting bulb of a discharge container, and a concave reflector having an optical axis...
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6483232 |
Aviation landing lamp
The lamp has a borosilicate lens bonded to a gas tight envelope containing a protective gas. The envelope contains a high gloss reflective coating on an inner surface and has a bulb mounted on a...
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