Class / Patent application number | Description | Number of patent applications / Date published |
313493000 | Envelope structure or material | 27 |
20080218056 | STRUCTURE OF A FLUORESCENT LAMP SET - An improved structure of a fluorescent lamp set comprises an outer tube, a fluorescent tube, and a connector. Said fluorescent tube and connector are provided in the interior of said outer tube. The connector is fixed on the surface of said fluorescent tube. Two ends of the outer tube are connected to each seal cover respectively. The internal parts of said seal covers are provided with pins for electrically connecting the fluorescent tube and connector. Said pins are electrically connected to the outer plug assembly. | 09-11-2008 |
20080238292 | PLASMA DISPLAY PANEL AND METHOD FOR PRODUCING THE SAME - A plasma display panel comprising a front substrate and a back substrate formed opposite each other and bonded to each other at the peripheries, electrodes formed on the front substrate, a dielectric layer formed on the electrodes, a protective layer formed on the dielectric layer, another electrode and another dielectric layer formed on the back substrate, barrier ribs to keep spaces between the front substrate and the back substrate, and fluorescent materials packed in the spaces formed by the barrier ribs, the front substrate, and the back substrate. The barrier ribs include glass at least containing oxide of tungsten, phosphorus, barium, and vanadium. | 10-02-2008 |
20080265741 | SEMI-FULL HELICAL LUMINOUS ELECTRONIC ENERGY-SAVING LAMP - A semi-full helical luminous electronic energy-saving tube and an electronic energy-saving lamp using the tube are disclosed. The structure at the connection between the end of tube and the enclosure is a straight section. An inward bend of the straight section is achieved via an interface point between the straight section and the helical portion of the tube. The interface point includes a sharp, V-shaped 180° backward bend. By making use of the sharp inward bend, a sufficient space is left for the enclosure process. | 10-30-2008 |
20080278057 | BULB-SHAPED OUTER ENVELOPE FOR LAMPS, METHOD FOR MANUFACTURE THEREOF, AND COMPACT FLUORESCENT LAMP THEREWITH - A bulb-shaped outer envelope for accommodating at least one lamp including a light-emitting body and a control gear is disclosed. The envelope has a substantially spherical section for receiving the light-emitting body, and an elongated end section for receiving at least a part of the control gear components. The elongated end section is provided with a neck section. A substantially tubular neck-extension portion connects to an inner surface portion of and protruding from the neck section. The neck-extension portion is suitable for accommodating a remaining part of the control gear components. In a method for the manufacture of a glass outer envelope, a flare that is normally used in the manufacture of incandescent lamps is turned around by 180°, put into a skirted bulbous envelope, melted into the envelope while the skirt is detached and the flare is formed into a neck-extension portion. A self-ballasted compact fluorescent lamp with the bulb-shaped outer envelope is also disclosed. A part of the ballast components are disposed in the neck-extension portion of the outer envelope. | 11-13-2008 |
20090015131 | Compact fluorescent lamp and method for manufacturing - A compact fluorescent lamp comprises a discharge tube arrangement with at least one discharge tube. The tube is formed of glass, encloses a discharge volume filled with a discharge gas and has a fluorescent phosphor coating disposed on the inner surface of the tube. The tube forms a continuous arc path and has electrodes disposed at each end of the arc path. The lamp also comprises a ballast circuit connected to the electrodes by lead-in wires and to a supply voltage by lead-out wires for controlling the current in the tube. A bulb shaped outer envelope comprises a substantially spherical portion, which encloses the tube arrangement and an elongated end portion, which encloses the ballast circuit. The end portion of the outer envelope has a neck portion with an open end on a base side for receiving a base shell. The open end of the neck portion is closed and terminated by a closing and neck reinforcing means of a material compatible with the material of the outer envelope, which has a substantially circular opening. The lead-out wires are led through the substantially circular opening to a base shell for connecting said lamp to said supply voltage through a socket. | 01-15-2009 |
20090021135 | PROCESS FOR PRODUCING DOUBLE HELICAL GLASS TUBE, LIGHT-EMITTING TUBE FOR FLUORESCENT LAMP, AND FLUORESCENT LAMP - A manufacturing method of a double spiral glass tube having a bump that is difficult to break. The manufacturing method includes the steps of: causing the bump forming section ( | 01-22-2009 |
20090051265 | SELF-BALLASTED FLUORESCENT LAMP AND LIGHTING APPARATUS - A self-ballasted fluorescent lamp includes a luminous tube that is formed in a bent shape with a pair of electrode-side end portions located at a the bottom end of the luminous tube. A cover houses a lighting device for lighting the luminous tube. A base is attached to the bottom end of the cover, and the luminous tube is supported at the top end, of the lamp. The outer diameter of a bulb of the luminous tube | 02-26-2009 |
20090091236 | Plasma display panel having alignment structures and method of fabricating the same - A display panel includes a first substrate and a second substrate, the first and second substrates having inner surfaces facing each other, a plurality of electrodes disposed between the first substrate and the second substrate, a partitioning green sheet disposed between the first substrate and the second substrate, and a plurality of alignment structures on an inner surface of at least one of the first and second substrates, the alignment structures providing an alignment reference for aligning the partitioning green sheet with the inner surface, wherein at least one of the alignment structures contacts an edge of the partitioning green sheet. | 04-09-2009 |
20090134771 | ARC TUBE AND METHOD OF PHOSPHOR COATING - A method of uniformly applying a phosphor onto the internal surface of a glass tube of spiral configuration having opening at its both ends. After an injection process is performed while glass tube ( | 05-28-2009 |
20090146546 | DISCHARGE LAMP - A discharge lamp for a vehicle is provided with a ceramic luminous tube, a front side electrode and a rear side electrode held by the ceramic luminous tube, a first lead wire connected to the front side electrode, a second lead wire connected to the rear side electrode, a third lead wire having a front end portion connected to the first lead wire, an outer tube, and a socket. The ceramic luminous tube, the first lead wire, the second lead wire and the third lead wire are accommodated in the outer tube. The ceramic luminous tube includes a luminous portion and a pair of small diameter tube portions. The luminous portion is formed into a substantially cylindrical shape extending in a longitudinal direction. The third lead wire includes a horizontal portion extending in the longitudinal direction above the luminous portion. | 06-11-2009 |
20090243463 | DISCHARGE TUBE AND LAMP WITH IMPROVED LUMINANCE - A discharge tube arrangement for a compact fluorescent lamp is provided. This discharge tube arrangement has a central axis and longitudinal end portions, and is formed of at least one discharge tube made of glass, encloses a discharge volume which is filled with a discharge gas and has a fluorescent phosphor coating disposed on an inner surface portion of the tube. The tube forms a continuous arc path and has electrodes disposed at each end of the arc path. The discharge tube arrangement comprises a first cold chamber in order to control and maintain a required mercury vapor pressure. The first cold chamber is located in a longitudinal end portion of the tube arrangement. The discharge tube arrangement is further provided with at least one second cold chamber, which is positioned between the longitudinal end portions of the discharge tube arrangement. The at least one second cold chamber is positioned on the wall of the tube, and has a cold chamber wall protruding substantially away from the central axis of the discharge tube arrangement. The discharge tube arrangement may have a coiled configuration with helical tube portions or a multifinger configuration with straight tube members. | 10-01-2009 |
20090267483 | FLUORESCENT LAMP - An object of the present invention is to provide fluorescent lamps used as a light source for liquid crystal display devices, which have excellent characteristics in terms of preventing solarization, the properties for blocking ultraviolet rays, and the physical and thermal strength, and preventing scratching. The present invention provides fluorescent lamps made of glass containing 55.0% to 75.0% of SiO | 10-29-2009 |
20090273272 | MULTI-ELECTRODE FLUORESCENT LAMP TUBE - A fluorescent lamp with a multiple electrodes at each input, where 3 to 8 electrodes may be installed in a single electrode holder sealed at each end of the fluorescent lamp tube. In operation, electron discharge primarily only occurs from one electrode at each input end, which has smallest resistance. With multiple electrodes, the electron discharge function at each input end will last one to several times longer, compared with the input end with just a single electrode. Because the life span of the fluorescent lamp depends on the electron discharge function at each input end, multiple electrodes at each input end increases the overall service life of the lamp. This invention increases cost-effectiveness of the fluorescent lamp without requiring complex structural modifications. | 11-05-2009 |
20090273273 | Gas discharge tube, and display device having gas discharge tube arrays - A gas discharge tube includes: a elongated tube within which an electron-emissive film is formed, and which is filled with a discharge gas and sealed; a plurality of pairs of display electrodes disposed on a display side of the elongated tube; a signal electrode disposed on a rear side of the elongated tube; and an elongated support member inserted into the elongated tube and extending in the length direction of the elongated tube. The support member has a curved shape so that a curved inner surface thereof forms a discharge space, has longitudinally extending opposite edges, and has a phosphor layer formed on the inner surface of the support member. The support member further has an end wall at each of longitudinally opposite ends thereof. The end walls and the curved inner surface form an elongated depression in the support member. | 11-05-2009 |
20090278438 | PLASMA DISPLAY PANEL - This invention provides a plasma display panel in which a blue fluorescent material layer is provided isolatedly from a green fluorescent material layer to prevent the green fluorescent material from being deteriorated. The plasma display panel includes fluorescent material layers of a plurality of colors provided between a pair of substrates. The fluorescent material layers are partitioned on a color to color basis with a barrier rib having predetermined width and height. Discharge is generated in the area partitioned by the barrier rib to perform display. At least one of the width and the height in the barrier rib for partitioning the blue fluorescent material layer from the green fluorescent material layer adjacent to the blue fluorescent material layer, is larger than that in the other barrier ribs. | 11-12-2009 |
20090278439 | Lamp Tube having Bent Segments - A lamp tube includes a lamp tube body, which are formed with bent segments by being heated, bent and then cooled at potions thereof desired to be bent. In this manner, luminance efficiency and lifetime of the lamp tube are effectively improved and prolonged. | 11-12-2009 |
20090322205 | METHODS AND APPARATUSES FOR ENHANCING HEAT DISSIPATION FROM A LIGHT EMITTING DEVICE - A light emitting device and method of producing the same is disclosed. The light emitting device includes a phosphor layer and a wire mesh thermally coupled to the phosphor layer and configured to dissipate heat from the phosphor layer. | 12-31-2009 |
20100045164 | GLASS FOR AN ILLUMINATING MEANS WITH EXTERNAL ELECTRODES - The invention concerns a glass composition for a glass body of an illuminating means with external electrodes, wherein the quotient of the loss angle (tan δ[10 | 02-25-2010 |
20100045165 | FLUORESCENT LAMP - Provided is a fluorescent lamp composed of a bulb and bases provided at base ends. The bulb includes (a) a circumferential wall whose inner surface is coated with a fluorescent layer and (b) end walls each partially composed of a stem to which an electrode is attached, the stem being plate-shaped. The bases are each provided covering a corresponding one of the stems such that at least part of each end wall other than the stem is exposed. An inner surface of each stem is positioned closer to a center of the bulb in a bulb axis direction than an imaginary plane containing a corresponding edge of the bulb is. | 02-25-2010 |
20100109509 | COPPER-CONTANING SILICA GLASS, METHOD FOR PRODUCING THE SAME, AND XENON FLASH LAMP USING THE SAME - It is an object of the present invention to provide a copper-containing silica glass which emits fluorescence having a peak in a wavelength range of from 520 nm to 580 nm under irradiation of ultraviolet light with a wavelength of 400 nm or less, and which is excellent in long term stability even in the high output use. | 05-06-2010 |
20100181895 | LUMINOUS TUBE, FLUORESCENT LAMP, AND LUMINOUS TUBE PRODUCTION METHOD - A luminous tube, a fluorescent lamp, and a luminous tube production method in which a larger quantity of light is emitted downward in actual use of the fluorescent lamp are provided. The luminous tube includes a glass tube including a folded structure where the glass tube is a spiral from at least one of the ends to a middle part and a fluorescent film on the inner surface thereof, wherein the fluorescent film on the inner surface is thicker on the side closer to the middle part than on the side closer to the ends in a cross-section along the axis of the spiral at any point of the glass tube. | 07-22-2010 |
20100187972 | COMPACT FLUORESCENT LAMP ENVELOPE AND METHOD OF MANUFACTURE - Disclosed is an envelope for a compact fluorescent lamp composed of a core portion and a jacket portion. Either the core portion or the jacket portion may include a spiraling continuous protrusion that forms a spiraling cavity; the other member includes a surface dimensioned to sealingly contact the protrusion. The method of manufacturing the envelope includes inserting the core portion into a core channel formed by the jacket portion. | 07-29-2010 |
20110050087 | MANUFACTURING METHOD OF AIRTIGHT CONTAINER, MANUFACTURING METHOD OF IMAGE DISPLAY DEVICE, AND BONDING METHOD - A bonding method using a bonding agent is provided, which has the steps of forming an underlayer on a first member, providing a bonding agent on the underlayer, forming a contact member, different from the bonding agent, on a second member, bringing the bonding agent into contact with the contact member so that the first member and the second member are bonded to each other. In the method described above, the wettability of the bonding agent to the underlayer is superior to that of the bonding agent to a surface of the first member before the underlayer is formed thereon, and the bondability of the bonding agent to the contact member is superior to that of the bonding agent to a surface of the second member before the contact member is formed thereon. | 03-03-2011 |
20110148282 | VARIABLE ELECTRIC FIELD STRENGTH METAL AND METAL OXIDE MICROPLASMA LAMPS AND FABRICATION - Preferred embodiments of the invention provide microcavity plasma lamps having a plurality of metal and metal oxide layers defining a plurality of arrays of microcavities and encapsulated thin metal electrodes. Packaging encloses the plurality of metal and metal oxide layers in plasma medium. The metal and metal oxide layers are configured and arranged to vary the electric field strength and total gas pressure (E/p) in the lamp. The invention also provides methods of manufacturing a microcavity plasma lamp that simultaneously evacuate the volume within the packaging and a volume surrounding the packaging to maintain an insignificant or zero pressure differential across the packaging. The packaging is backfilled with a plasma medium while also maintaining an insignificant or zero pressure differential across the packaging. | 06-23-2011 |
20120112624 | XENON LAMP USING CERAMIC ARC TUBE - The present invention relates to a xenon lamp using a ceramic arc tube, and more specifically to a xenon lamp using a ceramic arc tube, which can provide an extended life of at least 10 times longer than a glass tube xenon lamp, by using an arc tube to form a ceramic body made from ceramics, instead of using a circular glass tube to form the xenon lamp, and which is also applicable to all xenon lamps. | 05-10-2012 |
20130162138 | DISPLAY DEVICE AND METHOD FOR PRODUCING THE SAME - A display device includes a plasma tube array including a plurality of plasma tubes arranged in parallel; a plurality of display electrodes provided on a front side of the plasma tube array so as to be extended perpendicularly to a longitudinal direction of the plasma tubes; and a plurality of address electrodes provided on a rear side of the plasma tube array so that each address electrode is extended along each plasma tube longitudinally; each plasma tube having a tube, a discharge assisting film having a thickness different from part to part, and a phosphor film, wherein the discharge assisting film is provided on an inner surface of each tube, the thickness of the discharge assisting film is larger at the front side than at the rear side, and the phosphor film is formed on the discharge assisting film at the rear side. | 06-27-2013 |
20140125218 | Luminaire Comprising A Fluorescent Light Bulb, Mercury Sorbent, And Secondary Covering - A luminaire comprising a fluorescent light bulb, mercury sorbent, and a secondary covering is presented along with methods for making and using a luminaire that has mercury sorbent placed under a secondary transparent or translucent covering, coating, or skin and over the glass-casing of the fluorescent light bulb comprising the luminaire so that elemental mercury will not escape to the environment surrounding the luminaire if and when the glass-casing of the fluorescent light bulb ever breaks or ruptures. | 05-08-2014 |