Class / Patent application number | Description | Number of patent applications / Date published |
313489000 | With protective coating or filter | 36 |
20080265740 | PLASMA DISPLAY PANEL AND METHOD FOR FABRICATING THE SAME - A plasma display panel is disclosed, which includes a first panel provided with an address electrode, a first dielectric, and a phosphor on a first substrate, and a second panel bonded to the first panel by interposing a barrier therebetween, including a transparent electrode, a bus electrode, a second dielectric provided with high dielectric particles, and a protective layer on a second substrate. | 10-30-2008 |
20080278055 | PLASMA DISPLAY PANEL AND METHOD FOR PRODUCING THE SAME - A plasma display panel comprising: a front panel comprising a first substrate, a first electrode, a first dielectric layer and a protective layer wherein the first electrode is formed on the first substrate, the first dielectric layer is formed over the first substrate so as to cover the first electrode, and the protective layer is formed on the first dielectric layer; and a rear panel comprising a second substrate, a second electrode, a second dielectric layer and a phosphor layer wherein the second electrode is formed on the second substrate, the second dielectric layer is formed over the second substrate so as to cover the second electrode, the phosphor layer is formed on the second dielectric layer, wherein the front panel and the rear panel are disposed so that the protective layer and the phosphor layer are opposed to each other, and thereby a discharge space is formed between the front panel and the rear panel; characterized in that at least the first dielectric layer has a carbon concentration of from 10 | 11-13-2008 |
20080303404 | PLASMA DISPLAY PANEL - A transmission type PDP having a contrast enhanced by reducing or preventing influences of diffuse reflection by a phosphor layer is described. This PDP includes: a first substrate structure (rear unit) having a pair of display electrodes formed thereto; a second substrate structure (front unit) having an address electrode formed thereto and having a display surface; a barrier rib; and a phosphor layer between the barrier ribs. A width of the address electrode is formed to be the same as or larger than a width of a bottom surface portion of the phosphor layer between the barrier ribs, thereby hiding the bottom portion of the phosphor by the address electrode. In this manner, the diffuse reflection at the bottom surface portion of the phosphor layer is mostly suppressed. | 12-11-2008 |
20090079324 | FLUORESCENT LAMP - A fluorescent lamp includes a light-transmissive envelope, means for providing a discharge, a gas fill comprising mercury vapor and an inert gas sealed inside the envelope, a barrier layer on the inner surface of the envelope and a phosphor layer on the barrier layer. The phosphor layer contains at least one phosphor and alpha alumina and has a coating weight from about 1 to about 5 mg/cm | 03-26-2009 |
20090079325 | FLUORESCENT LAMP AND PROCESS FOR PRODUCING THE SAME, AND ILLUMINATOR - A fluorescent lamp according to the present invention includes: a glass tube | 03-26-2009 |
20090102349 | PLASMA DISPLAY PANEL - A plasma display panel is disclosed. The plasma display panel includes a front substrate, a rear substrate positioned opposite the front substrate, a barrier rib positioned between the front substrate and the rear substrate to partition a discharge cell, and a phosphor layer positioned in the discharge cell. The phosphor layer includes a phosphor material and an additive material. The discharge cell includes a red discharge cell, a green discharge cell, and a blue discharge cell. A width of the blue discharge cell is larger than a width of the red discharge cell based on a lower part of the barrier rib. | 04-23-2009 |
20090108730 | Plasma Display Panel - The provided is a plasma display panel (PDP) for inducing initial discharge as short-gap discharge to prevent an increase of a discharge firing voltage, suppressing the short-gap discharge after the initial discharge, and inducing full discharge as long-gap discharge to improve luminous efficiency. The PDP includes a first substrate, a second substrate, a barrier rib, a phosphor layer, address electrodes, first and second electrodes, a dielectric layer, and a protective layer. The first and second electrodes extend in the second direction, and form a first discharge gap therebetween. The dielectric layer is formed on the second substrate while covering the first and second electrodes. The protective layer covers the dielectric layer. The protective layer includes a first secondary electron emission portion and a second secondary electron emission portion. The first secondary electron emission portion is formed to correspond to an outer remote part of the first and second electrodes and has a first secondary electron emission coefficient. The second secondary electron emission portion is formed to correspond to an outer close part of one of the first and second electrodes, and has a second secondary electron emission that is smaller than the first secondary electron emission coefficient. | 04-30-2009 |
20090121612 | Cold Cathode Fluorescent Lamp - A cold cathode fluorescent lamp which makes a step dedicated to the acquisition of advantageous effects unnecessary without lowering an optical flux maintaining factor and, at the same time, prevents peeling-off of a phosphor layer in a step of bending light transmitting glass tube is provided. The cold cathode fluorescent lamp includes a light-transmitting glass tube, a phosphor layer which is formed on an inner surface of the light-transmitting glass tube, mercury and a rare gas which is filled in the inside of the light-transmitting glass tube, and cold cathodes which are arranged in a sealed manner in both end portions of the light-transmitting glass tube in a state that the cold cathodes face each other in an opposed manner, wherein the phosphor layer is constituted of a plurality of phosphor particles and a bonding agent. The bonding agent is made of aluminum oxide and boron oxide. The phosphor particles are covered with the bonding agent by coating. The phosphor particles and the bonding agent are bonded to the inner surface of the light-transmitting glass tube thus protecting surfaces of the phosphor particles with aluminum oxide. | 05-14-2009 |
20090153019 | Protecting layer having magnesium oxide particles at its surface, method of preparing the same, and plasma display panel comprising the protecting layer - Provided are a protecting layer for a plasma display panel (PDP), a method of forming the same, and a PDP including the protecting layer. The protecting layer includes a magnesium oxide-containing layer having a surface to which magnesium oxide-containing particles having a magnesium vacancy-impurity center (VIC) are attached. The protecting layer is resistant to plasma ions and has excellent electron emission effects, and thus, a PDP including the protecting layer can be operated at low voltage with high discharge efficiency. | 06-18-2009 |
20100019650 | PLASMA DISPLAY PANEL - A plasma display panel is formed of a front panel including display electrodes, a dielectric layer, and a protective layer that are formed on a glass substrate, and a rear panel including electrodes, barrier ribs, and phosphor layers that are formed on a substrate. The front panel and the rear panel are faced with each other, and peripheries thereof are sealed to form a discharge space therebetween. The dielectric layer of the front panel contains Bi | 01-28-2010 |
20100052509 | PLASMA DISPLAY PANEL AND PLASMA DISPLAY PANEL DEVICE - In a panel unit | 03-04-2010 |
20100096975 | PLASMA DISPLAY PANEL - In order to reduce the discharge delay time and increase the image quality in a display device such as a PDP using ultraviolet light emission produced by discharge, there is provided a display device including: a front panel and a rear panel disposed opposite to each other with discharge spaces formed therebetween, and a discharge gas being injected into the discharge spaces; at least a pair of electrodes for performing a display discharge; and phosphor layers emitting visible light by using ultraviolet light emission produced by discharge of the discharge gas. At least one of the compounds represented by the composition formulas Cs | 04-22-2010 |
20100133985 | PLASMA DISPLAY PANEL - A plasma display panel (PDP) is made of front panel ( | 06-03-2010 |
20100156269 | Protective tube for a fluorescent lamp and method - A protective tube which is thermally shrink-fitted over at least the end portions of a fluorescent lamp, with the protective tube encapsulating the fluorescent lamp tube and overlapping a portion of the ends of the terminal caps terminating each end of the lamp tube. The protective tube forms a seal between the protective tube, the lamp tube and the terminal caps. A fluorescent lamp having a protective tube thereon, which protective tube seals the glass tube and terminal caps of the fluorescent tube and partially overlaps the ends of the terminal caps from which the terminals project. A method of encapsulating a fluorescent lamp tube in a protective tube, which includes the steps of placing a protective tube over the fluorescent lamp tube and terminal caps such that the ends of the protective tube extend beyond the ends of the terminal caps; placing a forming sleeve over each end of the protective tube and lamp tube; heating the forming sleeves and at least the end portions of the protective tube to thermally fit the forming sleeves on the protective tube and the protective tube on the lamp tube and the terminal caps, with the ends of the protective tube overlapping a portion of the ends of the terminal caps from which the terminals project; and removing the forming sleeves from the protective tube. | 06-24-2010 |
20100164361 | PLASMA DISPLAY PANEL PROTECTIVE LAYER - A plasma display panel (PDP) protective layer including a ternary compound in the form of BaXO, wherein X is selected from the group consisting of Sc, Y, Gd, La, Er, Ho, Nd, Sm, and Ce. Such protective layer has excellent electron emission characteristics and phase stability. | 07-01-2010 |
20100176710 | PLASMA DISPLAY PANEL - A plasma display panel has a front substrate including a plurality of display electrode pairs, a dielectric layer, and a protective layer, and a rear substrate including a plurality of data electrodes, a barrier rib, and a phosphor layer. The front substrate and rear substrate are faced to each other so that the display electrode pairs and the data electrodes intersect, and a hydrogen-absorbing material containing palladium inside is disposed. | 07-15-2010 |
20100194264 | HIGH-PRESSURE DISCHARGE LAMP WITH PARTIAL COATING AND VEHICLE HEADLIGHT COMPRISING SAID LAMP - A high-pressure discharge lamp may include at least one discharge vessel; and two electrodes, which extend into a discharge space of the discharge vessel and between which a light-emitting discharge arc is formed during operation of the high-pressure discharge lamp, wherein a partial coating is applied to a circumferential surface of the lamp in the region of an end section, on the discharge space side, of at least one of the electrodes, said partial coating changing the luminance and color temperature of the emitted light. | 08-05-2010 |
20100219743 | PLASMA DISPLAY PANEL - PDP with excellent display quality, including a dielectric layer that does not contain lead, satisfies transmittance, insulation resistance and dielectric constant, and suppresses coloring. PDP includes front panel and a rear panel disposed facing each other and sealed together at the peripheries thereof with discharge space provided therebetween. Front panel-includes display electrodes, dielectric layer and protective layer on front glass substrate. The rear panel includes electrodes, barrier ribs and phosphor layers on a substrate. In PDP, display electrode includes metal bus electrodes containing silver. Dielectric layer includes first dielectric layer covering metal bus electrodes and containing bismuth oxide, and second dielectric layer covering first dielectric layer and containing bismuth oxide. The thickness ratio of second dielectric layer to first dielectric layer is 1.3 or more and 7.2 or less. | 09-02-2010 |
20100259158 | PLASMA DISPLAY PANEL - A plasma display panel ( | 10-14-2010 |
20100277055 | FLUORESCENT LAMP WITH PROTECTIVE SLEEVE - A fluorescent lamp having a protective polymeric sleeve to provide impact resistance and contain fragments if the lamp shatters. The sleeve comprises an inner layer of a UV-blocking polymeric material and an adjacent layer of a polymeric material, preferably polycarbonate. The inner layer is preferably a co-polymer comprised of a polycarbonate block and a block comprised of isophthalic acid, terephthalic acid, and resorcinol. The inner layer helps protect the rest of the sleeve from UV degradation. | 11-04-2010 |
20100277056 | FLUORESCENT LAMP WITH UV-BLOCKING LAYER AND PROTECTIVE SLEEVE - A fluorescent lamp having a protective polymeric sleeve to provide impact resistance and contain fragments if the lamp shatters. A UV-blocking layer is coated on the outside of the glass envelope of the lamp or on the inside of the sleeve to help protect the polymeric sleeve from UV degradation. The UV-blocking layer includes a UV-blocking component of Al | 11-04-2010 |
20100277057 | FLUORESCENT LAMP - The present invention provides a fluorescent lamp, comprising: a glass bulb; mercury that is enclosed within the glass bulb, an amount of the mercury being from 2.2 μg/cm | 11-04-2010 |
20100308710 | MATERIAL FOR PREPARING PROTECTIVE LAYER AND PLASMA DISPLAY PANEL COMPRISING THE PROTECTIVE LAYER - A plasma display panel (PDP) including a protective layer and a material for preparing the protective layer that can be easily fabricated and has little defects, includes a magnesium oxide (MgO) powder including a cathode rays emission spectrum having a first emission peak in a wavelength in the range of 300 to 450 nm, a second emission peak in a wavelength in the range of 650 to 750 nm, and an intensity ratio between 1:0.15 and 0.40 as an intensity ratio of the second emission peak with respect to the first emission peak. | 12-09-2010 |
20110304257 | Fluorescent Lamp and Lighting Instrument - A fluorescent lamp may include a pair of hot cathode electrodes at both its ends, wherein a phosphor is formed in a laminated manner on the inner surface of a glass tube and a protection film is formed between the glass tube and the phosphor, wherein a residual impure gas in the lamp, including the amount occluded by the phosphor and the protection film, is set to 0.5% or less with the sealed rare gas partial pressure ratio, and wherein the following relationship is fulfilled: G | 12-15-2011 |
20110316412 | SURFACE LIGHT SOURCE APPARATUS WITH DUAL-SIDE EMITTING LIGHT - A surface light source apparatus with dual-side emitting light includes at least a cathode wire structure, a transparent anode structure, a fluorescent layer and a low-pressure gas layer. The transparent anode structure is a surface structure, wherein the cathode wire structure and the transparent anode structure are parallel to each other. The fluorescent layer is located between the cathode wire structure and the transparent anode structure. The low-pressure gas layer fills the space between the cathode wire structure and the transparent anode structure and functions to induce the cathode evenly emitting electrons. The electron mean free path of the low-pressure gas layer allows at least a sufficient number of electrons to directly impact the fluorescent layer under an operation voltage. | 12-29-2011 |
20120104932 | Fluorescent Display Device - A fluorescent display device is disclosed. The fluorescent display device includes an anode plate, aluminum anode wirings arranged on the anode plate, a first light shielding aluminum film arranged on the anode plate, an insulation layer arranged on both the anode wiring and the first light shielding film, a second light shielding graphite film arranged on the insulation layer, an anode electrode arranged on the insulation layer, and an outer light source display formed by removing a portion of the first light shielding film. The outer light source display is illuminated by a LED to display a predetermined pattern. The second light shielding film is formed along a wiring array arranged on the first light shielding film and the wiring so that a gap between the first light shielding film and the wirings is covered with the second light shielding film. | 05-03-2012 |
20120133268 | AIRTIGHT MULTI-LAYER ARRAY TYPE LED - An airtight multi-layer array type LED is disclosed, which comprises a metal substrate with an airtight metal frame formed thereon, and the metal substrate is integrally formed with the airtight metal frame, and an airtight sealing frame slot is formed around the upper surface of the airtight metal frame, the airtight metal frame is installed with two sets of sealing through hole pairs accommodating the lead frames. The interior of the airtight metal frame can be installed with packaging materials or optical components. The sealing holes are sealed with a glass or ceramic material. A fluorescent layer is formed on a silica gel layer, wherein the fluorescent layer can also be installed inside a silica glass package cover. The silica glass package cover is installed on the top surface of the airtight metal frame, and the silica glass package cover is engaged and sealed to a sealing rack. Nitrogen is filled in a space defined between the silica glass package cover and the fluorescent layer, so that moisture is prevented from permeating through the airtight metal frame and a dice protection layer. As such, a sealed-type LED packaging structure is formed and is suitable to be used in extreme or severe environments. | 05-31-2012 |
20120319560 | PLASMA DISPLAY PANEL - A plasma display has a protective layer ( | 12-20-2012 |
20120326594 | PLASMA DISPLAY PANEL - PDP includes front plate and rear plate. Front plate has protective layer. Rear plate has phosphor layers. Protective layer includes a first metal oxide and a second metal oxide. In X-ray diffraction analysis, a peak of a base layer lies between a first peak of the first metal oxide and a second peak of the second metal oxide. The first and second metal oxides are two selected from the group consisting of MgO, CaO, SrO, and BaO. An arithmetic average roughness “Ra” of the surface of a dielectric layer is not more than 50 nm. | 12-27-2012 |
20120326595 | PLASMA DISPLAY PANEL | 12-27-2012 |
20120326596 | PLASMA DISPLAY PANEL | 12-27-2012 |
20120326597 | PLASMA DISPLAY PANEL | 12-27-2012 |
20120326598 | PLASMA DISPLAY PANEL | 12-27-2012 |
20130093312 | PLASMA DISPLAY DEVICE - To provide a plasma display device whereby it is possible to improve the image quality and at the same time to reduce warpage of a thin cover glass plate having a large area. A plasma display device | 04-18-2013 |
20130140980 | FLUORESCENT LAMP OF IMPROVED LUMEN MAINTENANCE AND MERCURY CONSUMPTION - The inner surfaces of fluorescent lamp tubing are provided with a phosphor coating. The phosphor coating defines an inward-facing surface. A protective coating is deposited on the inward-facing surface of the phosphor coating. The protective coating defines an innermost surface and makes effective recombination of Hg ions possible on the innermost surface of the second coating before the Hg ions collide with the phosphor particles in the phosphor coating. | 06-06-2013 |
20160035559 | FLUORESCENT LAMP WITH INCORPORATED CHEMICAL AGENT AND METHOD THEREFOR - Fluorescent lamps that utilize mercury, and methods and materials to reduce the solubility of mercury when fluorescent lamps are disposed of in a landfill. Such a fluorescent lamp includes a transparent envelope and at least one base enclosing an interior chamber within the envelope. The base has an interior surface and a sealing portion sealed to the envelope with a cement. A gas mixture comprising mercury vapor is contained within the interior chamber, and a quantity of material is disposed on the interior surface of the base. The quantity of material is spaced apart from the sealing portion and the cement thereof, and comprises a chemical agent that substantially reduces or prevents formation of leachable mercury. | 02-04-2016 |