Abstract: A board for a plasma color display, on which striped barrier ribs for partitioning address electrodes and discharge spaces are formed, and on which phosphor layer stripes emitting light of red, green and blue are formed in the grooves between the respectively adjacent barrier ribs, characterized in that the following relation is satisfied Pb>Pr where Pr is the distance between respectively adjacent barrier ribs for forming a red light emitting phosphor layer, and Pb is the distance between respectively adjacent barrier ribs for forming a blue light emitting phosphor layer, and that the height differences of the barrier ribs within the board face are within ±0.5˜±6 ?m in reference to the average height of the barrier ribs, or characterized in that phosphor layer stripes respectively emitting light of the same color are formed in respectively adjacent two or more grooves.

Abstract: A fluorescent lamp including a phosphor layer including Sr4Al14O25:Eu2+ (SAE) and at least one of each of a red, green and blue emitting phosphor. The phosphor layer can optionally include an additional, deep red phosphor and a yellow emitting phosphor. The resulting lamp will exhibit a white light having a color rendering index of 90 or higher with a correlated color temperature of from 2500 to 10000 Kelvin. The use of SAE in phosphor blends of lamps results in high CRI light sources with increased stability and acceptable lumen maintenance over, the course of the lamp life.

Abstract: There is disclosed a gas discharge display device comprised of microspheres containing ionizable gas, photons from the gas discharge within a microsphere exciting a phosphor such that the phosphor emits wavelengths in the visible and/or invisible spectrum. The invention is described in detail with reference to an AC gas discharge (plasma) display.

Abstract: A green phosphor represented by the formula: A(Zn1?xMnx)Al10O17 wherein A is Ca, Ba or Sr and x is a number satisfying 0.02?x?0.14.

Abstract: A flat fluorescent lamp (1) has a discharge vessel (2) having a base plate (7), a top plate (8) and a frame (9) which are connected to one another in a gas-tight fashion by means of solder (10). Structures resembling conductor tracks function in the interior of the discharge vessel as electrodes (3-6), in the feedthrough region as feedthroughs, and in the external region as external supply leads (13; 14). Flat lamps of the most different sizes can thereby be produced simply in engineering terms and in a fashion capable of effective automation. Moreover, virtually any electrode shapes can be realized, in particular optimized with regard to a uniform luminous density with a reduced drop in luminous density towards the edges of the flat lamp. At least the anodes (5, 6) are covered in each case with a dielectric layer (15). The lamp (1) is preferably operated by means of a pulsed voltage source and serves as background lighting for LCDs, for example in monitors or driver information displays.

Abstract: A gas discharge display device for displaying a color image by means of red, green and blue fluorescent substances, wherein a color to be reproduced by light-emission of the red, green and blue fluorescent substances for displaying a white pixel is set to be different from a white color intended for display, and a filter is disposed on a front side of the red, green and blue fluorescent substances for approximating a display color of the white pixel to the white color intended for display.

Abstract: A plasma display panel including a first panel, address electrodes formed on the first panel in a predetermined pattern, a first dielectric layer formed on the first panel and covering the address electrodes, a partition structure having unit partitions discontinuously formed on the first dielectric layer to partition a discharge space, the unit partitions being parallel to the address electrodes and each having auxiliary partitions, red, green and blue phosphor layers coated in the partitioned discharge space, a second panel, which is coupled to the first panel to form the discharge space and which is transparent, a plurality of pairs of sustaining electrodes formed on an inner surface of the second panel and having sets of first and second electrodes at a predetermined angle with respect to the address electrodes, and a second dielectric layer formed on the second panel and covering the sustaining electrodes.

Abstract: A display device includes a plurality of light-emitting tubes arranged in parallel consisting of narrow tubes having a plurality of light-emitting points formed in a longitudinal direction thereof, a phosphor layer provided to the inside of each of the narrow tubes, and a discharge gas sealed into each of the narrow tubes. The plurality of light-emitting tubes are arranged in accordance with their property previously measured.

Abstract: A mercury vapor discharge fluorescent lamp is provided that has a mercury barrier. The mercury barrier is effective to inhibit mercury atoms from absorbing into the glass envelope and amalgamating with sodium atoms in the envelope. The mercury barrier is substantially non-mercury absorptive, both when the lamp is on and when it is off.

Abstract: A plasma display includes a display panel and a driving circuit for driving the display panel. A space for at least one color, of spaces between barrier ribs for defining discharge spaces for red, green and blue colors of the display panel is different from the spaces for other colors.

Abstract: The invention provides light emitting devices having a phosphor layer that are useful as sources of white light, and other applications. The invention provides a light emitting device having a laser diode and a phosphor composition positioned to receive light from the laser diode. The laser diode is adapted to emit light, and the phosphor composition is adapted to absorb light from the laser diode and emit light at longer wavelengths than the light from the laser diode.

Abstract: The invention provides light emitting devices having a phosphor layer that are useful as sources of white light, and other applications. The invention provides a light emitting device having a LED and a phosphor composition positioned to receive light from the LED. The LED is adapted to emit cyan light, and the phosphor composition is adapted to absorb cyan light from the LED and emit red light.

Abstract: A display tube is provided that can improve light emission efficiency without raising a breakdown voltage. The display tube has a tubular vessel defining a discharge gas space and a pair of display electrodes for generating surface discharge along the circumferential surface of the vessel and opposing discharge traversing the inside of the vessel.

Abstract: A gas discharge tube having a phosphor layer formed within a tubular vessel defining a discharge space. The gas discharge tube includes a supporting member independent of the tubular vessel. The phosphor layer is formed on the supporting member. The supporting member is inserted within the discharge space.

Abstract: The invention relates to a fluorescent lamp having a transparent or translucent glass bulb of a tubular cross section containing an inert gas such as Neon, Argon, Krypton or Xenon. An element to produce an electric discharge within the bulb will energize a coating of a fluorescent material deposited on the interior surface of the glass bulb to emit visible light. At least one region uncoated by the fluorescent material is provided at the interior surface of the glass bulb in manner which creates the appearance of a repeating pattern such that visible light is emitted by the fluorescent material and no visible light is emitted by the at least one region uncoated. The region uncoated define a spiraled pattern to the glass bulb such that when the glass bulb is rotated about the axis of the spiraled pattern a generally upwardly or downwardly motion is perceived by a person looking at the lamp.

Abstract: A system includes a radiation source capable of emitting first light and a fluorescent material capable of absorbing the first light and emitting second light having a different wavelength than the first light. The fluorescent material is a phosphor having the formula (Lu1-x-y-a-bYxGdy)3(Al1-zGaz)5O12:CeaPrb wherein 0<x<1, 0<y<1, 0<z≦0.1, 0<a≦0.2 and 0<b≦0.1. In some embodiments, the (Lu1-x-y-a-bYxGdy)3(Al1-zGaz)5O12:CeaPrb is combined with a second fluorescent material capable of emitting third light. The second fluorescent material may be a red-emitting phosphor, such that the combination of first, second, and third light emitted from the system appears white.

Abstract: The plasma display panel of the present invention has, for achieving high luminance and high reliability, a plurality of discharge spaces formed between a front panel and a back panel that are disposed to oppose each other, and phosphor layers, formed in the discharge spaces, each including phosphor particles of one of blue, red and green colors, wherein the phosphor particles of at least one of blue, red and green colors included in the phosphor layer are flake-like particles.

Abstract: A discharge lamp (1) having a discharge vessel (2) that surrounds a discharge medium that emits electromagnetic radiation in the VUV region during operation of the lamp, has on the inner side of the discharge vessel wall a yellow phosphor layer facing the discharge medium, and a blue phosphor layer lying therebelow.

Abstract: Fluorescent material used for a plasma display panel contains particles having various diameters wherein X1/Y is equal to or smaller than 10% where X1 indicates a number of particles having a diameter equal to or smaller than 1.0 micrometers, and Y indicates a total number of particles contained in the fluorescent material.

Abstract: A plasma display panel. A pair of substrates has a transparent front surface and is disposed to leave a discharge space therebetween. A plurality of barrier ribs is disposed on one substrate to partition the discharge space into a plurality of respective green discharge spaces, blue discharge spaces and red discharge spaces. A group of electrodes is disposed on the substrates to discharge in the discharge spaces partitioned by the barrier ribs. A phosphor layer is formed in the discharge spaces, the phosphor layer being a green phosphor layer for the green discharge spaces, a blue phosphor layer for the blue phosphor discharge spaces, and a red phosphor layer for the red discharge spaces.

Abstract: A blink plasma backlight system for a liquid crystal display comprises a first substrate; a second substrate arranged substantially in parallel with and spaced-apart from the first substrate, forming a gas discharge space therebetween; at least one electrode pair disposed on an inner surface of the second substrate, the electrode pair containing a first electrode and a second electrode approximately parallel to each other; a control unit coupled to the electrode pair, for periodically providing an energy to ignite a gas discharge between the first and second substrates; a dielectric layer disposed on the inner surface of the second substrate covering the electrode pairs; and a first fluorescent layer disposed on the inner surface of the first substrate.

Abstract: A phosphor (A) comprising a host material composed of a compound having a garnet crystal structure represented by the general formula (I):

Abstract: Improved field emission display includes a buffer layer of copper, aluminum, silicon nitride or doped or undoped amorphous, poly, or microcrystalline silicon located between a chromium gate electrode and associated dielectric layer in a cathode assembly. The buffer layer substantially reduces or eliminates the occurrence of an adverse chemical reaction between the chromium gate electrode and dielectric layer.

Abstract: This invention provides a phosphor material capable of absorbing primary light and converting that light into white light having a high color rendering index and illumination devices made from the phosphor material. The white light may have a color rendering index of 100 and may be produced with an efficiency of at least 30 lm/w. In one embodiment, the illumination device includes a secondary light source made from a plurality of Group IV semiconductor nanoparticles.

Abstract: A plasma display device includes a blue phosphor composed of a compound represented by Me3MgSi2O8:Eu (where, Me is at least calcium (Ca), strontium (Sr), or barium (Ba)). Concentration of bivalent Eu ions is 45 to 95% and concentration of trivalent Eu ions is 5 to 55%, of the europium (Eu) atoms contained in the blue phosphor layer. The plasma display device has less luminance degradation in a panel manufacturing process, high luminance, and long lifetime.

Abstract: An illuminator capable of cleaning air is disclosed. The illuminator includes a transparent lamp envelope having two ends. A layer of glue body is adhered to inner surface of the lamp envelope. An amount of visible and UV light fluorescent powders are mixed in the layer of glue body. Electrode bases seal both ends of the lamp envelope. A photocatalytic gel film is coated on outer surface of the lamp envelope.

Abstract: To provide a red phosphor red phosphor, for low-voltage electron beams, excellent in the life characteristic of its emission luminance and phosphors, for low-voltage electron beams, emitting light in various colors, the red phosphor containing SrTiO3:Pr, Al as a main component thereof is mixed an inorganic compound comprises sulfides. The inorganic compound is a sulfide or a sulfide-containing phosphor. The inorganic compound is a sulfide of alkaline earth metals.

Abstract: A plasma display device comprises blue phosphor which restricts adsorption of water and hydrocarbon gases to a surface thereof, reduces degradation of luminance and chromaticity change, and improves discharge characteristic. Among phosphor layers used for a plasma display, a blue phosphor layer comprises one of compounds symbolized by Ba1-xMgAl10O17:Eux and Ba1-x-ySryMgAl10O17:Eux, of which phosphor contains 0.2 to 0.8 in number x of Eu atoms, and the Eu atoms comprises 25% to 85% concentration of bivalent Eu ions, and 15% to 75% concentration of trivalent Eu ions.

Abstract: A phosphor improved against luminance deterioration with time under vacuum ultraviolet irradiation, a phosphor paste composition, and a vacuum ultraviolet excitation light emitting element high in luminance retaining rate and improved in luminance, are presented. An alkaline earth aluminate phosphor which is a phosphor represented by the formula a(M1-xEux)O.6Al2O3 (wherein M represents at least one alkaline earth metal element selected from the group consisting of Ba, Sr and Ca, and x and a satisfy 0<x<1 and O.9≦a≦1.8, respectively) and which has a wide-band peak over an angle region of diffraction angle (2&thgr;) of from 28° to 31° in powder diffraction X-ray spectrum by CuK&agr;1 characteristics X-ray, and a vacuum ultraviolet excitation light emitting element provided with a fluorescent layer made of the phosphor.

Abstract: A self-ballasted electrodeless discharge lamp of the invention is provided with a discharge vessel filled with discharge gas, the discharge vessel having a cavity portion, a coil inserted into the cavity portion of the discharge vessel, a ballast circuit for supplying high frequency power to the coil, and a lamp base that is electrically connected to the ballast circuit, wherein the discharge vessel, the coil, the ballast circuit, and the lamp base are configured as a single unit, and a reflective tape for reflecting light that is radiated from the discharge gas and emitted from inside the discharge vessel to its cavity portion side is wound around the coil.

Abstract: A multi-phase gas discharge lamp includes an interior space defined by at least one wall. A plasma-forming gas is disposed in the interior space. At least three electrodes are positioned to access the interior space, each electrode adapted to receive one phase of a multi-phase AC power source and energize the plasma-forming gas in response. The multi-phase energization of a plasma-forming gas maintains the energy level in the plasma, which maximizes efficiency of a gas discharge lamp.

Abstract: A blue phosphor composing a blue phosphor player in a plasma display device has a crystal structure of Ba(1-x)EuxMgAl10O17 or Ba(1-x-y)EuxSryMgAl10O17. In this blue phosphor, La substitutes for a proportion of Ba or Sr so as to achieve a high-luminance plasma display device with less luminance deterioration in panel manufacturing processes.

Abstract: The phosphor composition for low-pressure gas discharge lamps with a high light efficiency for generating radiation with a color temperature of greater than 5000 K and a very good general color rendering index Ra of greater than 90 includes at least one halophosphate phosphor, a phosphor which emits in the red wavelength region and a phosphor which emits in the blue-green wavelength region. In addition, according to the invention the phosphor composition contains an Eu-doped barium magnesium aluminate phosphor BaMgAl10O17:Eu and a Tb-doped green-emitting phosphor.

Abstract: A fluorescent device contains a phosphor adhesive glass composite expressed by xSiO2.yB2O3.aZnO.bAl2O3.cMgO.mXO, where X is at least one element selected from the group consisting of Ca, Sr and Ba, 5≦x≦70 mol %, 0≦y≦30 mol %, x+y≧20 mol %, and 5≦m≦60 mol %.

Abstract: A method of treating a lamp tube having a first end and a second end comprising introducing a first quantity of a luminescent substance into the first end of the lamp tube and introducing a second quantity of a luminescent substance into the second end of the lamp tube is provided. An illumination source comprising a linear tube having a first end and a second end and an inner surface having a luminescent substance distributed thereon, a longitudinal distribution of the luminescent substance having a minimum at a first point of the inner surface and a luminescent substance density greater than the minimum at each of a second and third point of the inner surface, the first point longitudinally located between the second and third points, is provided.

Abstract: Disclosed is a flat type fluorescent lamp having a discharge space divided into a plurality of discharge areas. The flat type fluorescent lamp includes a first substrate, a second substrate separated from the first substrate in a predetermined distance to provide a discharge space containing a discharge material, first and second electrodes for applying a voltage to the discharge space and being disposed on the second substrate, and a sealing member for sealing side portions of the first and second substrates to isolate the discharge space from a peripheral space thereof. A plurality of barrier ribs having a slender shape are disposed in the discharge space and perpendicular to the first and second electrodes to divide the discharge space into a plurality of discharge areas. Accordingly, plasma converted from the discharge material has a uniform density through out the discharge space, thereby increasing brightness and uniformity of a light to be supplied to a display panel.

Abstract: A PDP with improved luminous efficiency is provided which prevents erroneous discharge and emission in adjacent cell spaces (8) and which effectively takes out light produced in the cell spaces (8), and a plasma display device having the PDP is also provided. The space between a front substrate (not shown) and a back substrate (1) is sectioned into a plurality of independent cell spaces (8) by grid-like barrier ribs (2). The cell spaces (8) include discharge cells (9) and non-discharge cells (10). The discharge cells (9) and the non-discharge cells (10) are alternately arranged in horizontal and vertical directions (in alternate checkers). A phosphor (3) is applied in the discharge cells (9) and the phosphor (3) is not applied in the non-discharge cells (10).

Abstract: A wiring substrate for a display panel having a plurality of wiring electrodes thereon includes an airtight container formed by disposing an opposing substrate through a frame member on the surface of the substrate having the wiring electrodes. The airtight container has an image forming member therein, in which an average angle between a cross section of the wirings and the wiring substrate in an orthogonal projection area of the image forming member onto the wiring substrate is obtuse, while an average angle between a cross section of the wirings and the wiring substrate in an area where the frame member is disposed is acute.

Abstract: Photoluminescent phosphor powders and a method for making phosphor powders. The phosphor powders have a small particle size, narrow particle size distribution and are substantially spherical. The method of the invention advantageously permits the economic production of such powders. The invention also relates to improved devices, such as display devices and lighting elements, incorporating the phosphor powders.

Abstract: A low-pressure gas discharge lamp comprising a gas discharge vessel with a gas filling containing an indium compound and a buffer gas, and comprising a phosphor layer containing at least one phosphor emitting in the visible range of the spectrum, and comprising electrodes and means for generating and maintaining a low-pressure gas discharge.

Abstract: A low mercury consumption electric lamp is provided having a a layer of a luminescent material comprising a phosphor derived from a mixture of a blue-halo calcium halophosphate phosphor having an average particle size within the range of about 6.6 to about 10 microns; a calcium-yellow calcium halophosphate phosphor having an average particle size within the range of about 9.0 to about 13 microns; and fines of a warm-white calcium halophosphate phosphor, preferably having an average particle size of about 4.62.

Abstract: A highly loaded fluorescent lamp (10) (FIG. 1) comprises a hollow, translucent glass body (12) containing a medium capable of generating at least several wavelengths of UV radiation. A plurality of phosphors is disposed on the inside surface of the glass body (12), the plurality of phosphors visible radiation upon exposure to the UV radiation. At least one of the plurality of phosphors is subject to degradation upon lone-term exposure to one of the at least one of several wavelengths of UV radiation. The at least one of the plurality of phosphors subject to degradation is installed (FIG. 12) adjacent the inside surface (14) of the glass body (12) to form a first layer (16); and the remainder of the plurality of phosphors is disposed on the first layer to form a second layer (18), the second layer not being subject to long-term degradation upon exposure to the UV radiation.

Abstract: A gas discharge lamp fitted with a gas discharge vessel filled with a gas filling suitable for a gas discharge which emits VUV radiation, with a phosphor coating containing a downconversion phosphor and with means for igniting and maintaining a gas discharge, in which the downconversion phosphor has, in a host lattice, a pair of activators of a first lanthanoid ion and a second lanthanoid ion and a sensitizer selected from the group formed by the thallium(I) ion, lead(II) ion and bismuth(III) ion, is environmentally friendly and has a high lamp efficiency &eegr;lamp.

Abstract: A flat-type fluorescent lamp device includes a first substrate, a plurality of first and second electrodes arranged on the first substrate at fixed intervals, a first fluorescent layer on an entire surface of the first substrate including the first and second electrodes, a second substrate having a plurality of projection portions for maintaining a uniform gap between the first and second substrates, and a second fluorescent layer on the second substrate except at regions, of the projection portions that contact the first substrate.

Abstract: The disclosure teaches using at least two orthogonal arrays of complicated shaped glass rods or very large fibers-like structures (from here in referred to as fibers) with wire electrodes to fabricate plasma displays with plasma cells larger than 0.05 mm3 in volume. (The volume of a plasma cell is defined by the width of the plasma channel times the height of the plasma channel times the pitch of the pair of sustain electrodes.) To increase the size of the bottom fiber and keep the addressing voltage constant or to reduce the addressing voltage, the address electrode is moved from the bottom of the channel up into the barrier rib. Moving the address electrode up into the barrier rib will reduce the distance, d, between the address electrode and the sustain electrodes, thus increasing the electric field of the addressing pulse.

Abstract: A fluorescent lamp includes two glass outer tubes (6, 7), a bridge junction (8), and first glass inner tubes (9, 10). One end of each of the glass outer tubes is closed, and the other end is sealed with stems (4, 5) for supporting electrodes (13). A phosphor is applied to the inside surface of each of the glass outer tubes. The bridge junction connects the glass outer tubes at the other end portion to form a discharge space inside the glass outer tubes. The first glass inner tubes are provided in the glass outer tubes, respectively. A phosphor is applied to the surface of each of the first glass inner tubes. One end of each of the first glass inner tubes is open and disposed at the closed ends of the glass outer tubes, and the other end is sealed with the tips of the stems so that the electrodes are positioned in the first glass inner tubes.

Abstract: A self-ballasted electrodeless discharge lamp includes a discharge vessel having a cavity, an induction coil that is inserted into the cavity, a ballast for supplying power to the induction coil, a case for covering the ballast, and a lamp base provided in the case. The discharge vessel is secured to the case via a holder. A part of the discharge vessel and a first portion of the holder are engaged with each other to constitute a combination structure. A second portion of the holder and a part of the case are engaged with each other to constitute a combination structure.

Abstract: The present invention includes barrier coatings and methods for reducing or preventing chemical reaction between the discharge medium and arc tube wall material in discharge lamps. The barrier coatings comprise nitride layer exposed to the discharge medium formed from one or more of aluminum, boron, scandium, yttrium, or the lanthanides. In another aspect, the present invention includes methods of forming coatings on the inner wall of arc tubes by introducing two or more precursors into the arc tube chamber and pyrolitically reacting the precursors to form layers for the coating.

Abstract: A highly loaded fluorescent lamp (10) (FIG. 1) comprises a hollow, translucent glass body (12) containing a medium capable of generating at least several wavelengths of UV radiation. A plurality of phosphors is disposed on the inside surface of the glass body (12), the plurality of phosphors visible radiation upon exposure to the UV radiation. At least one of the plurality of phosphors is subject to degradation upon long-term exposure to one of the at least one of several wavelengths of UV radiation. The at least one of the plurality of phosphors subject to degradation is installed (FIG. 12) adjacent the inside surface (14) of the glass body (12) to form a first layer (16); and the remainder of the plurality of phosphors is disposed on the first layer to form a second layer (18), the second layer not being subject to long-term degradation upon exposure to the UV radiation.

Abstract: In a recycling method for an image display apparatus including a vacuum container structured by sealing a front panel having a phosphor and a rear panel having an electron emitter for irradiating electrons onto the phosphor, the rear panel is separated from the vacuum container, the electron emitter on the rear panel is recovered, and then the rear panel is sealed again to thereby reconstruct the vacuum container. Accordingly, the image display apparatus whose life has ended can be recycled with few waste parts.