Abstract: Novel aluminate-based green phosphors are disclosed having the formula M1?xEuxAlyO1+3y/2, where M is at least one of a divalent metal selected from the group consisting of Ba, Sr, Ca, Mg, Mn, Zu, Cu, Cd, Sm, and Tm; 0.1<x<0.9; and 0.5:?y?12. phosphors are configured to absorb substantially non-visible radiation having a wavelength ranging from about 280 to 420 nm, and emit visible green light having a wavelength ranging from about 500 to 550 nm. In a particular embodiment, the phosphor contains the divalent alkaline earth metals Mg, and Mn may be present as well. A novel feature of the present aluminate-based green phosphors is the relatively narrow range of wavelength over which they can be configured to emit; in one embodiment, this range is from about 518 nm to 520 nm. In an alternative embodiment, the phosphor emits visible light with a peak wavelength having a full width at half maximum of less than or equal to about 40 nm.

Abstract: The invention relates to aluminoborosilicate glasses as a glass casing body of a lighting means, especially for background illumination, which glass composition is equally suitable for use in lighting means with external contacting as well as for lighting means with internal contacting.

Abstract: The present invention relates to a manufacturing method for a phosphor suspension to be applied to an inner surface of a glass bulb of a fluorescent lamp, and a fluorescent lamp manufactured with use of the phosphor suspension. The method comprising the steps of kneading a mixture (38) of a small amount of solvent (32) including a thickening agent and a phosphor powder (30), and agitating the mixture after adding a solvent (40) including a thickening agent and a binding agent, and a metal compound as a coating agent (42) to the mixture. The fluorescent lamp pertaining to the present invention includes a phosphor layer formed by applying the phosphor suspension manufactured by the above-described method to the inner surface of the glass bulb, drying the suspension, and baking the suspension. Since the method pertaining to the present invention comprises the step of kneading, the phosphor particles included in the formed phosphor layer are densely arranged.

Abstract: An improved flat fluorescent lamp and a display device having the same are disclosed, by which a luminance can be improved and a driving voltage can be reduced. The flat fluorescent lamp may include: a lower substrate; an upper substrate combined with the lower substrate to provide a discharge area; a plurality of walls partitioning the discharge area to provide a plurality of discharge units; first and second voltage-applying electrodes disposed at opposite ends of each discharge unit, the first and second voltage-applying electrodes being exposed; first and second discharge electrodes formed on the first and second voltage-applying electrodes, respectively; a dielectric layer coated on the first and second voltage-applying electrodes; and a fluorescent layer formed on the discharge area.

Abstract: A plasma display panel (PDP) is provided. The PDP includes: a first substrate and a second substrate facing each other; a plurality of first barrier ribs on the second substrate defining a plurality of cells between the first substrate and the second substrate; pairs of scan electrodes and sustain electrodes on the first substrate; a plurality of second barrier ribs each dividing a corresponding cell of the cells into a primary discharge space and an auxiliary discharge space; a plurality of address electrodes on the second substrate. A portion of an address electrode among the address electrodes corresponding to the auxiliary discharge space is wider than other portions of the address electrode, thereby providing an improved addressing discharge.

Abstract: A fluorescent lamp (10) includes a tubular member or envelope (12) having an arc generating and sustaining medium (15) therein. As known, the tubular envelope (12) is constructed of a suitable glass, for example lime glass. An electrode (14) is provided in each end of the tubular member (12) and a phosphor coating (16) is applied to the interior surface (18) of the tubular member (12). A mercury dispenser (20) is situated within the tubular member (12). The mercury dispenser (20) includes a body (21) composed of a material selected from the group consisting of glass and ceramic materials. The body (21) is provided with a bore (22). A first material (24) capable of wetting mercury coats the bore. In a preferred embodiment the first material (24) is silver having a thickness between 0.1? and 8?. A quantity of mercury (26) is deposited in the bore (22) in contact with the first material (24).

Abstract: A luminescent assembly has a housing, at least one shortwave light source, at least one shortwave light reflecting cover and a primary visible light source. The shortwave light source is mounted with the housing and emits shortwave light when electricity is applied to the shortwave light source. The shortwave light reflecting cover covers part of the shortwave light source. The primary visible light source, which is significantly larger than the shortwave light source, is a fluorescent/phosphorescent coating formed on part of the housing opposed to the shortwave light cover, and emits visible light when shortwave light is irradiated from the shortwave light source and reflected by the shortwave light reflecting cover.

Abstract: Disclosed are discharge lamps for use in tanning applications and methods of making the same. The lamps include, among other elements, an elongated vitreous tube which has an outer periphery and axially opposed first and second ends that define an axial length for the tube. A coating is applied on the interior of the tube for emitting ultraviolet radiation in tanning wavelengths when a voltage to the lamp. The coating is specifically formulated so that the ultraviolet radiation emitted from the lamp in a range of about 320 nm to about 340 nm is less than or equal to about 10 percent of the ultraviolet radiation emitted from the lamp in a range of about 280 nm to about 400 nm.

Abstract: A plasma display panel having a dielectric protection layer (14) including MgO and phosphorlayers (25R, 25G, 25B) for red, green, and blue respectively wherein none of the phosphor layers contain any member of the group consisting of Group IV elements, transition metals, alkali metals, and alkaline earth metals, or wherein all the phosphor layers each contain a specific amount of one or more members of the group consisting of Group IV group elements, transition metals, alkali metals and alkaline earth metals. In such a plasma display panel, changes over the course of time in the impedance of the dielectric protection layer (14) is suppressed, and the phosphor layers are uniform with respect to the directional characteristics of the changes of the impedances, which results in suppression of occurrence of black noise.

Abstract: In a panel unit of a PDP apparatus, a discharge space is filled with a discharge gas containing a xenon gas as a principal component and a neon gas at a total pressure in a range of 1×104 [Pa]-5×104 [Pa], inclusive. Since the discharge gas is a xenon-neon binary gas mixture, when a partial pressure ratio of the neon gas to the total pressure ratio of the discharge gas is set at 8[%] or below, the rest of the discharge gas is the xenon gas, the principal component. In summary, the PDP apparatus of the present invention can attain high luminous efficiency with use of the high xenon gas content, and suppress erosion of a protective layer as a result of sputtering caused by a discharge during driving with use of the neon gas whose partial pressure ratio is 8[%] or below.

Abstract: A plasma display panel includes a first substrate and a second substrate. The first and the second substrates are flexible and face each other. A discharge electrode sheet is disposed between the first and second substrates to configure a plurality of discharge cells and includes a plurality of patterned discharge electrodes. A phosphor layer is formed in each of the discharge cells. An exhaust gas pathway is formed in the discharge electrode sheet and connects the discharge cells. The exhaust gas pathway that connects adjacent discharge cells is formed in the film shape discharge electrode sheet between the first and second substrates.

Abstract: The invention relates to an improved low-pressure gas discharge lamp comprising a gas discharge vessel (1) surrounding a discharge space (2), containing a gas filling, and further comprising means to generate an electromagnetic field (3) and means for generating and maintaining a low-pressure gas discharge. The lamp is characterized in that the discharge lamp is provided with a first phosphor coating on a surface of the gas discharge vessel and with a second phosphor coating, the second phosphor coating being provided on a surface of the lamp that is more remote from the discharge space compared to the first phosphor coating, and the first phosphor coating being selected from the group of thermally stable phosphors. The low-pressure discharge lamp provides increased efficiency and reduced solarisation as compared to commercially available low-pressure discharge lamps.

Abstract: An external electrode fluorescent lamp includes a ferroelectric glass tube filled with discharge gas, and a ferroelectric film on an internal surface of the ferroelectric glass tube.

Abstract: A plasma display panel includes a front plate and a back plate spaced from and facing each other with a barrier rib therebetween, the front plate and the back plate each having a long side and a short side. A first sealant is at the long side between the front plate and the back plate and a second sealant is at the short side between the front plate and the back plate to seal a discharge space divided by the barrier rib between the front plate and the back plate. A first spacer is in the first sealant and a second spacer is in the second sealant, the second spacer having a smaller volume than the first spacer.

Abstract: A cold cathode fluorescent tube where an electron emitting electrode is sealed in shows much deterioration in the luminance with time, thereby being not adequate for a long time use. The electrode emitting electrode is formed in such a shape that an electric field is not locally concentrated. By mixing a material of high heat conductivity, such as tungsten, as the material for the electron emitting electrode or using helium of high heat conductivity as the sealing gas, a long life of the cold cathode fluorescent tube is achieved.

Abstract: The present invention relates to a fluorescent lamp including a visible radiation and/or UV-radiation transmissive discharge vessel, at least one luminescent layer coated onto the inner wall of the discharge vessel for converting UV-radiation to other wavelengths of UV-A, UV-B and/or visible radiation characterized in, that at a section to which no luminescent layer is applied on the inner surface area of said discharge vessel at least one substrate layer is applied on the outer surface of this area of said discharge vessel, and/or at least a section to which luminescent layer is applied on the inner surface area of said discharge vessel at least one substrate layer is applied on the outer surface of this area of said discharge vessel; whereby said substrate layer comprises at least one volatile organic material being releasable over an extended time period, whereby the volatile organic material is released by UV-radiation and/or thermal heat generated from said fluorescent lamp and, whereby at operation the

Abstract: The present invention relates to a new type of fluorescent lamp tube for illumination, comprising lamp filaments arranged respectively at both ends of the fluorescent lamp tube; tube end portions in which the lamp filaments are enclosed respectively; and a tube portion interconnecting the tube end portions and having a diameter smaller than that of the tube end portions. The present invention breaks through the prior art, such that the lamp tube can be devised to be more compact, whereby realizing a T1-type hot cathode fluorescent lamp.

Abstract: A plasma display panel includes a red phosphor layer, a green phosphor layer, and a blue phosphor layer. The thickness of the phosphor layer is satisfied by the following condition: when D is (S?2L)/S, D?0.64, S being a distance between barrier ribs at half the height of the barrier ribs, and L being a side thickness of the phosphor layer coated on the barrier ribs at half the height thereof.

Abstract: An apparatus for selectively producing one or more of a plurality of wavelength distributions of radiation. The apparatus comprises a primary UV radiation source and one or more wavelength transforming materials separated from the primary UV radiation source, that in response to irradiation by the primary UV radiation source, produce transformed radiation having a wavelength distribution that is different from the wavelength distribution of the primary UV radiation source. None, one, or more than one of the various WT materials can be selected by the apparatus, to allow the primary UV radiation, any individual transformed radiation, or any combination of the various radiations to be to be emitted from the apparatus.

Abstract: A backlight unit has an external electrode fluorescent lamp in a housing. The external electrode fluorescent lamp includes a glass bulb having a discharge space inside, and electrodes around both ends of the glass bulb. A protective layer and a phosphor layer are formed on an internal surface of the glass bulb in this order. The glass bulb is made of soda glass, and sodium oxide precipitated from this soda glass appears on part of the internal surface of the glass bulb where the protective layer is not formed, so as to be exposed to the discharge space.

Abstract: Fluorescent bulb with inner tubes of inert gas and phosphor coating on the inner surface of an outer bulb that encompasses the inner tubes. The increased efficiency of such light bulbs enables the same strength light emission in a smaller size bulb.

Abstract: Emergency lighting for an aircraft employs a photoluminescent substrate that is activated by exposure to light wherein the substrate has portions with different light emitting characteristics whereby, in the absence of activating light, a first substrate portion provides a higher light output than a second substrate portion for an initial period after which the second substrate portion provides a higher light output than the first substrate portion.

Abstract: The present invention discloses a magnetic light, including an air-filled light body having an inner cavity, at least a through slot defined on the light body, and a fluorescent layer coated onto said inner cavity. A magnetic body is penetrating through the through slot for providing high frequency resonance purposes for replacing conventional filament so as to improve the efficiency and life span of the light.

Abstract: A gas excitation light-emitting device, including a first substrate and a second substrate with a plurality of cells are defined between the first substrate and the second substrate, an excitation gas in each of the cells, a phosphor layer in each of the cells, a plurality of electrodes disposed between the first substrate and the second substrate, an electron accelerating layer emitting an E-beam in each of the cells, wherein, for each of the cells, the electron accelerating layer excites the excitation gas in the cell when a voltage is applied to corresponding ones of the electrodes of the cell, and the respective phosphor layer is spaced apart from the electrodes of the cell and the phosphor layer is arranged in a portion of the cell other than a portion of the cell between corresponding ones of the electrodes of the cell.

Abstract: Phosphor compositions having the formula LlMmAaGgPpQqNnZz:Ce3+, where L is at least one of Li, Na, K, Rb, and/or Cs; M is at least one of Be, Mg, Ca, Sr, Ba, Mn, Sn, Pb, and/or Zn; A is at least one of Bi, Sb, In, Sc, Y, and/or any of the rare earth elements; G is Si and/or Ge; Q is at least one of O, S, and/or Se; Z is at least one of F, Cl, Br, and/or I; and wherein 0?l?1, 2.5?m?5, 1.5?a?2.5, 2?g?2.5, 0?p?1, 0?n?1, 0?z?1, and l+2m+3a+4g+5p=2q+3n+z; and light emitting devices including a light source and the above phosphor. Also disclosed are blends of LlMmAaGgPpQqNnZz:Ce3+ and one or more additional phosphors and light emitting devices incorporating the same.

Abstract: A red phosphor for a plasma display panel (PDP) including (Y,Gd)Al3(BO3)4:Eu3+, a paste composition including the same and a plasma display panel including a phosphor layer made out of the red phosphor. The red phosphor for a plasma display panel can have reduced decay time by using (Y,Gd)Al3(BO3)4:Eu3+ alone or as a main constituent in a combination with (Y,Gd)BO3:Eu3+. In addition, in a plasma display panel (PDP) including a phosphor layer made out of the red phosphor, by reducing the decay time of the PDP, coloring properties thereof can be improved and luminance saturation thereof at a high gradation degree occurring when Y(V,P)O4:Eu3+ is used to improve color coordinates can be prevented.

Abstract: Provided are a phosphor paste composition, a flat display device including the same, and a method of manufacturing the flat display device. The phosphor paste composition contains a phosphor with at least a heat-resistant material selected from a Group II atom-containing material, a Group III atom-containing material, and a Group IV atom-containing material, a binder, and an organic solvent. By using the phosphor paste composition, the deterioration of the phosphor can be prevented during a heat treating process. The flat display device includes a phosphor layer containing the phosphor coated with the heat-resistant material such that lifetime of the flat display device is increased and a permanent residual image phenomenon, the adsorption of water by the phosphor, and the like can be prevented.

Abstract: A mercury vapor discharge fluorescent lamp having a barrier layer and a phosphor layer. The barrier layer comprises yttria-coated alumina particles. The barrier layer is preferably at least 11 weight percent yttria. Preferably the yttrium-coated alumina particles are provided in an aqueous suspension and are then substantially separated from the dissolved salts therein before being combined into a coating suspension for coating the lamp.

Abstract: A plasma display panel (PDP) in which oxide film-coated aluminum wire electrodes are formed between adjacent discharge cells while an image is displayed on front surfaces of the discharge cells. The PDP includes a first substrate and a second substrate spaced apart from the first substrate and facing the first substrate. Barrier ribs are disposed between the first substrate and the second substrate and define a plurality of discharge spaces. Discharge electrodes are arranged between adjacent discharge spaces in order to be exposed to the discharge spaces while an image is displayed on front surfaces of the discharge spaces.

Abstract: A light source apparatus applicable to a backlight module includes a cathode structure, an anode structure, a fluorescent layer, a secondary electron generation layer, and a low-pressure gas layer. The fluorescent layer is located between the cathode structure and the anode structure. The low-pressure gas layer is filled between the cathode structure and the anode structure. The secondary electron generation layer is disposed on the cathode structure and can generate additional secondary electrons to hit the fluorescent layer for improving the luminous efficiency.

Abstract: Disclosed is a fluorescent lamp having a phosphor layer formed on the inner wall of a lamp tube. The average particle size of the phosphors used in the phosphor layer is not more than 1 ?m, and the thickness of the phosphor layer is not more than 5 ?m. By having such a constitution, the ultraviolet light having a wavelength of 254 nm which is emitted from mercury sealed within the lamp tube can be efficiently converted into visible light and the visible light can be efficiently discharged outside the lamp tube.

Abstract: A plasma display panel includes first and second substrates that face each other, a barrier rib structure that is disposed between the first and second substrates to divide a plurality of discharge cells, first and second electrodes that are formed to surround the discharge cells and that extend in a first direction. The first and second electrodes are buried in the barrier rib structure. Address electrodes are formed in a second direction crossing the first direction to correspond to the respective discharge cells, and phosphor layers are formed in the respective discharge cells, such that the discharge cells are divided into red, green, blue, and white discharge cells.

Abstract: A dielectric layer composition includes a ceramic material, a binder, a solvent, and an additive, the additive being a selenium oxide additive or two or more of a selenium oxide, a vanadium oxide, a molybdenum oxide, and/or a cerium oxide.

Abstract: In order to be capable of high-precision gas measurement and evaluating influences of a gas on an electron source, and to predict a life of an image display device with high precision for a short period of time, there is provided a sealed container which is capable of maintaining an inside thereof to a lower pressure than an atmospheric pressure, and is used for an image display device including in the inside: a phosphor; an electron-emitting device for causing the phosphor to emit light; and a getter, the sealed container including an exhaust pipe having a breakable vacuum isolating member on at least one side of the image display device.

Abstract: The present invention relates to a mercury-free flat fluorescent lamp, which is comprised with two separated electric circuits in electron flow that are a driving electric circuit on a base plate glass and an internal electric circuit formed in a Xe chamber. The internal electric circuit receives the electric energy from the driving electric circuit by means of the surface-bound-charges that form with polarized charges in surface volume of insulator particles and the ionized Xe+ and e? charges in the Xe chamber, which are induced by the alternated electric field from electrodes in the driving electric circuit. The internal electric circuit has electron flow between separately accumulated charges of Xe+ and e? on the insulator particles in the Xe chamber; and Xe discharge is generated by the moving electrons in the Xe chamber. Phosphor screens coated on inner wall of the Xe chamber emit photoluminescence under irradiation of the vacuum ultraviolet lights emitted from Xe discharge in the Xe chamber.

Abstract: A lamp envelope is provided with an alumina layer and a multilayer phosphor coating on the alumina layer. The phosphor coating includes a top phosphor layer with a first weight percent of rare earth activators and a middle phosphor layer with a second weight percent of rare earth activators. The second weight percent is less than the first weight percent so that a total amount of the activators in the coating is reduced while maintaining a required lamp brightness and color rendering index (CRI). Preferably, the second weight percent is about 50-60% of the first weight percent and the middle layer is about 30-50% of a total weight of the coating so that a total weight of the activators in the coating is no more than about 80% of a weight of the activators in the coating if the first and second weight percents were the same.

Abstract: An illuminating light source, and a scanner module and an image scanning apparatus including the same. The illuminating light source includes: a vacuum tube have a cylindrical shape, is filled with a discharging gas, and has a light emitting portion disposed in a lengthwise direction thereof; a discharging electrode disposed upon the vacuum tube, and having a width that increases from a center portion to end portions thereof; and a fluorescent body disposed within the vacuum tube, to absorb first light beams emitted by the discharging gas and to emit second light beams having a longer wavelength than the first light beams, with the second light beams being illuminated through the light emitting portion.

Abstract: A luminous lamp having an ultraviolet filtering and explosion-proof thin film is disclosed. An outside of a lamp is coated by a transparent layer which comprises phosphor powder. Energy generated by the lamp is absorbed by the phosphor powder while the lamp is shining. The phosphor powder would release energy to shot brilliance, so as to provide auxiliary lighting after turning off the lamp. Additionally, the phosphor powder can absorb harmful ultraviolet and other harmful radiations with shorter wavelengths to be one part of the thin film for filtering harmful radiations. The harmful ultraviolet can be transformed by the phosphor powder into visible light to red shift radiations with short wavelengths; hence the harmful radiations with shorter wavelengths can be eliminated. The illumination of visible light can be further increased. The transparent layer can catch broken fragments of the outside of the lamp to decrease accidents when the lamp is broken.

Abstract: An electron emission light-emitting device includes a cathode structure, an anode structure, a fluorescent layer, and a low-pressure gas layer. The fluorescent layer is located between the cathode structure and the anode structure. The low-pressure gas layer is filled between the cathode structure and the anode structure, having a function of inducing the cathode to emit electron uniformly. The low-pressure gas layer has an electron mean free path, allowing at least sufficient amount of electrons to directly impinge the fluorescent layer under an operation voltage.

Abstract: The invention provides a red phosphor composed of M(Eu1-x-yLaxBiy)4Si3O13, wherein M is Ca, Sr, Ba, or combinations thereof, 0<x<1, and 0<y<1. Under excitation of blue light or ultraviolet light, the red phosphor emits red light having a major emission peak of about 613 nm. The red phosphor of the invention may be collocated with green and blue phosphors to provide a white light illumination device.

Abstract: A light emitting module for generating a light includes a semiconductor light emitting unit for generating a light, a plurality of nanophosphor particles having diameters which are smaller than a half-wavelength of the light generated from the light emitting module and serving to emit a fluorescent light corresponding to the light generated from the semiconductor light emitting unit, and a binder for holding the nanophosphor particles like a layer covering a light emitting surface of the semiconductor light emitting unit. Furthermore, a lighting unit for a vehicle includes the light emitting module.

Abstract: Microcavity plasma devices and arrays of microcavity plasma devices are provided that have a reduced excitation voltage. A trigger electrode disposed proximate to a microcavity reduce the excitation voltage required between first and second electrodes to ignite a plasma in the microcavity when gas(es) or vapor(s) (or combinations thereof) are contained within the microcavity. The invention also provides symmetrical microplasma devices and arrays of microcavity plasma devices for which current waveforms are the same for each half-cycle of the voltage driving waveform. Additionally, the invention also provides devices that have standoff portions and voids that can reduce cross talk. The devices are preferably also used with a trigger electrode.

Abstract: A PDP includes a barrier rib formed between an upper substrate and a lower substrate to define discharge regions, and a phosphor layer including red, green, and blue phosphor layers corresponding to the discharge regions. A height of the green phosphor layer is lower than a height of the barrier rib.

Abstract: A flat light module and the manufacturing method thereof are disclosed. A first substrate and a second substrate with a plurality of electrodes are assembled. The discharge gas is filled between both substrates. A first dielectric layer with a first pattern and a second dielectric layer with a second pattern are covered on the electrodes in order, wherein the first pattern is used as a stopper and the second pattern is used as a mask to remove a portion of the second dielectric layer to form a plurality of protrusions and to expose a portion of surface of the second dielectric layer. Next, the first pattern and the second pattern are removed to expose a portion of surface of the first dielectric layer and the second dielectric layer, and then a fluorescent layer is coated on the exposed surfaces, the upper surface of the second substrate except for the surface of forming the electrodes and the first dielectric layer.

Abstract: Provided is a gas excitation display apparatus having a gas excitation display panel and a driver. The gas excitation display panel includes: electron emitters, data electrode lines, scan electrode lines crossing the data electrode lines, phosphor cells, an excitation gas filled in a space between the phosphor cells and the electron emitters, and an anode plate to which an electric potential is applied so that electrons emitted from the electron emitters move towards the phosphor cells, wherein each horizontal driving period comprises a horizontal display time and a blanking time, and the electric potential of the anode plate in the horizontal display time is positive and the electric potential of the anode plate in the blanking time is negative.

Abstract: A blue-enriched incandescent lamp having on the interior surface of its light transmissive glass envelope a coating in accordance with an aspect of the invention. The coating contains a phosphor that is energized by the ultraviolet/violet emission (<420 nm) from the hot filament causing it to emit radiation in the range of 420 to 490 nm. In a preferred embodiment of the invention, the coating contains a europium-activated barium magnesium aluminate phosphor and a blue pigment.

Abstract: A phosphor layer having improved contrast and brightness characteristics and a display device including the same are provided. The phosphor layer is made out of an ultra-fine pigment, a dispersant, a phosphor, a photosensitizer and a binder. The phosphor has a uniform distribution along the thickness of the phosphor layer, and the pigment varies in content over the thickness of the phosphor layer. A method of forming the phosphor layer is based on existing phosphor layer processes and includes a reduced number of processing steps than a filter screen method, thereby markedly lowering the manufacturing costs. The phosphor layer can be used in a cathode ray tube, a plasma display panel, a field emission display, and an organic electroluminescent device.

Abstract: A plasma display panel is provided. The plasma display panel includes a substrate and a phosphor layer. The phosphor layer has a red phosphor layer, a green phosphor layer and a blue phosphor layer. At least one of a start point of the red phosphor layer, a start point of the green phosphor layer and a start point of the blue phosphor layer is different from a start point of the remaining phosphor layer.

Abstract: The present invention provides a light emitting device comprising a semiconductor light source emitting radiation at about 250˜500 nm; and a phosphor composition radiationally coupled to the semiconductor light source, wherein the phosphor composition is selected from the group consisting of Mg14(Ge(5-a)Mna)O24, Sr(Ge(4-b)Mnb)O9, Mg2(Ti(1-c)Mnc)O4, Zn2(Ti(1-d)Mnd)O4, SrMg(Al(10-e)Mne)O17, and Y3(Ga(5-f)Mnf)O12.

Abstract: A Plasma Display Panel (PDP) having an increased coating area of a phosphor material and improved brightness and efficiency includes: a front substrate through which light is transmitted and a rear substrate facing the front substrate and in which a plurality of discharge spaces are arranged between the front substrate and the rear substrate; a first electrode arranged on the front substrate; a second electrode arranged on the rear substrate to cross the first electrode and to generate a discharge within one of the discharge spaces between the first electrode and the second electrode; a dielectric layer arranged on the rear substrate facing the discharge spaces and having a plurality of concavo-convex portions in a region defined by the discharge spaces; and a phosphor layer arranged on the concavo-convex portions.