Abstract: A stretchable display device includes a substrate structure which has a display area where images are displayed and a non-display area adjacent to the display area and includes an upper stretching substrate and a lower stretching substrate; and a frame which is disposed to cover a first side surface and a second side surface opposite to the first side surface, among a plurality of side surfaces of the substrate structure, in which a modulus of the frame is higher than moduli of the upper stretching substrate and the lower stretching substrate.

Abstract: An optical arrangement includes at least the following components which are arranged along an optical axis: a light source for polarized light; a layer arrangement, which, viewed in the viewing direction of a viewer, includes at least one polarization filter and an optical retardation layer behind the polarization filter. The polarization filter abuts the retardation layer free of gaps. An interstice is located between the light source and the layer arrangement. The interstice has a volume about the optical axis, that is surrounded by optically impermeable and internally non-reflecting, but absorbent peripheral surfaces. In the interstice, there is at least one semi-permeable boundary surface which is permeable to the light emitted by the light source and is at least partially reflective for light that is incident in the opposite direction.

Abstract: A phosphor-containing member includes a transparent member, and a plurality of granular single crystal phosphors dispersed in the transparent member. Each of the plurality of granular single crystal phosphors includes a YAG crystal as a mother crystal. The plurality of granular single crystal phosphors are prepared by crushing the YAG crystal. The YAG crystal has a composition represented by a formula of Y3-x-yGdxCeyAl5O12-w (0.03?x?0.2, 0.003?y?0.2, ?0.2?w?0.2). Reduction of fluorescence intensity of the phosphors is less than 3% when an excitation light wavelength is 460 nm and a temperature is increased from 25° C. to 100° C.

Abstract: A display apparatus including a substrate having an active area and a sealing area surrounding the active area; a display unit disposed on the active area of the substrate and including a plurality of organic light-emitting devices; and a sealing member including a first portion, a second portion, and a third portion, the third portion disposed between the first portion and the second portion and connecting the first portion to the second portion.

Abstract: A display apparatus is provided that includes a display panel, a plate-shaped base disposed on a rear surface side of the display panel, and a flexible wiring substrate. The display apparatus also includes a circuit substrate, an electronic component attached to at least one of the wiring substrate and the circuit substrate, and a heat conductive member attached to a rear surface of the electronic component. The display apparatus further includes a rear structural member disposed to cover the heat conductive member, and a connecting member that connects the base and the rear structural member and generates a compressive force that compresses the heat conductive member being sandwiched by the electronic component and the rear structural member.

Abstract: In one embodiment, an electronic device includes first and second substrates, an insulating layer, and a connecting material. The first substrate includes a first conductive layer. The second substrate includes a basement having first and second surfaces, a second conductive layer on the second surface, and a first hole penetrating through the basement. The insulating layer is arranged between the first conductive layer and the basement, and has a second hole. The connecting material connects conductive layers via holes. The first hole has a first opening on a first surface side. The second hole has a third opening on a first conductive layer side which is larger than the first opening.

Abstract: In one embodiment, an electronic device includes first and second substrates, an insulating layer, and a connecting material. The first substrate includes a first conductive layer. The second substrate includes a basement having first and second surfaces, a second conductive layer on the second surface, and a first hole penetrating through the basement. The insulating layer is arranged between the first conductive layer and the basement, and has a second hole. The connecting material connects conductive layers via holes. The first hole has a first opening on a first surface side. The second hole has a third opening on a first conductive layer side which is larger than the first opening.

Abstract: Methods, systems and components are disclosed relating to the exclusive optical addressing of information for image display systems.

Abstract: A light-emitting device in which different electrodes in a work function are used in a first light-emitting element and a second light-emitting element are provided. A light-emitting device includes a first light-emitting element and a second light-emitting element. The first light-emitting element includes a first electrode, an EL layer, and a second electrode in this order. The second light-emitting element includes a third electrode, the EL layer, and the second electrode in this order. The EL layer includes a first light-emitting layer, a layer, and a second light-emitting layer in this order. The structure of the first light-emitting layer is different from the structure of the second light-emitting layer. The first light-emitting element and the second light-emitting element are different in a carrier-injection property.

Abstract: The present invention provides a phosphor, including a constituent having the formula CapSrqMmAaBbOtNn:Zr, in which M selected from the group consisting of magnesium, barium, beryllium and zinc; A selected from the group consisting of aluminum, gallium, indium, scandium, yttrium, lanthanum, gadolinium and lutetium; B selected from the group consisting of silicon, germanium, tin, titanium, zirconium and hafnium; Z selected from the group consisting of europium and cerium; 0<p<1; 0?q<1; 0?m<1; 0?t?0.3; 0.00001?r?0.1; a=1, 0.8?b?1.2; and 2.7?n?3.1. Moreover, the normalized dissolved content of calcium of the phosphor is 1˜25 ppm, thereby obtaining a phosphor of high brilliance in the 600˜680 nm region. In addition, the present invention at the same time provides a high brilliance light emitting device.

Abstract: A self-disinfecting surface covering for a vehicle is disclosed. The surface covering comprising a pair of electrodes substantially conforms to a vehicle panel. A plurality of printed LEDs suspended in a semiconductor ink are printed between the electrodes and configured to emit a disinfecting emission. An outer layer of the surface covering is disposed proximate one of the electrodes. The outer layer is operable to transmit at least a portion of the disinfecting emission therethrough.

Abstract: A switching device includes a first electrode at least partially disposed within a sealed chamber. The sealed chamber encloses a plasma phase change material. The switching device includes a second electrode at least partially disposed within the sealed chamber. The second electrode is physically separated from the first electrode. When subjected to a signal that satisfies a threshold, the plasma phase change material forms a plasma within the sealed chamber. The first electrode is electrically coupled to the second electrode via the plasma when the plasma is formed. The first electrode is electrically isolated from the second electrode when the plasma is not formed. The switching device includes a first connector electrically coupled to the first electrode and a second connector electrically coupled to the second electrode. The first connector, the second connector, or both, are configured to receive the signal.

Abstract: A light-emitting device in which different electrodes in a work function are used in a first light-emitting element and a second light-emitting element are provided. A light-emitting device includes a first light-emitting element and a second light-emitting element. The first light-emitting element includes a first electrode, an EL layer, and a second electrode in this order. The second light-emitting element includes a third electrode, the EL layer, and the second electrode in this order. The EL layer includes a first light-emitting layer, a layer, and a second light-emitting layer in this order. The structure of the first light-emitting layer is different from the structure of the second light-emitting layer. The first light-emitting element and the second light-emitting element are different in a carrier-injection property.

Abstract: A fluorescent material represented by the following formula (I): M1yM2nOzCx:M3w??(I); wherein M1 is selected from Sc3+, Y3+, La3+, Sm3+, Gd3+, Tb3+, Pm3+, Er3+, Lu3+, and combinations thereof; M2 is selected from Al3+, In3+, Ga3+, and combinations thereof; M3 is selected from Tm3+, Bi3+, Tb+, Ce3+, Eu3+, Mn3+, Er3+, Yb3+, Ho3+, Gd3+, Pr3+, Dy3+, Nd3+, and combinations thereof; and 0.45?x/n?0.75, 0.54?y/n?0.6, 0.002<w/n?0.06, and 0.9?z/n?1.5. An illumination device including a light emitting element and the aforesaid fluorescent material is also disclosed.

Abstract: A display includes a substrate; an electrode layer formed on the substrate and having an electrode pattern; and an organic material layer formed on the electrode layer, wherein a plurality of pixel units are configured by the combination of the electrode pattern and the organic material layer. At least one of pixel units includes plural different colored sub-pixels arranged in delta. In one embodiment, the same colored sub-pixels of adjacent pixel units are arranged in delta. In another embodiment, the same colored sub-pixels of adjacent pixel units are arranged as a stripe. According to the embodiment, an opening of the shadow mask is corresponding to at least three sub-pixels with same color when the material is evaporated through the shadow mask.

Abstract: An energy efficient light source comprising photoluminescent material and a selective mirror is disclosed. In an embodiment, a first light source emanates light of a particular spectrum, a layer of photoluminescent material surrounding the first light source absorbs light of the spectrum emanated by the first light source and emanates light of a different spectrum, and a selective mirror surrounding the layer of photoluminescent material reflects light emanated by the first light source and transmits light emanated by the photoluminescent material.

Abstract: A pulse-excited mercury-free lamp system, and method of sustaining the emission of light emission from such a lamp, is provided. The system includes a light-transmissive envelope having an inner surface and a phosphor layer coated thereon. A discharge-sustaining gaseous mixture of a noble gas, at a low pressure, and a metal halide, is retained inside the light-transmissive envelope. An electrical system provides a plurality of pulses to the discharge-sustaining gaseous mixture, resulting in a discharge, which causes the lamp system to emit light. The emission of light is maintained by turning the discharge on during a pulse width of each pulse in the plurality of pulses and by turning the discharge off during a remainder of each period in the plurality of pulses. Particularly in systems where the metal halide is indium-based, this maintains an efficient emission of light without the use of mercury.

Abstract: An improved mercury dosing composition is described. A method for dispensing mercury with this composition and to discharge lamps containing each composition is also described.

Abstract: An energy efficient light source comprising photoluminescent material and a selective mirror is disclosed. In an embodiment, a first light source emanates light of a particular spectrum, a layer of photoluminescent material surrounding the first light source absorbs light of the spectrum emanated by the first light source and emanates light of a different spectrum, and a selective mirror surrounding the layer of photoluminescent material reflects light emanated by the first light source and transmits light emanated by the photoluminescent material.

Abstract: In accordance with certain embodiments, a phosphor element at least partially surrounding a light-emitting die is shaped to influence color-temperature divergence.

Abstract: A plasma display panel includes: a front plate including an image display area and an image non-display area provided outside the image display area; and a rear plate provided to be opposed to the front plate. The front plate has a substrate, and a display electrode provided over the substrate. The display electrode has, in the image display area, a stacked structure of a first electrode and a second electrode provided over the first electrode. Furthermore, the display electrode has, in at least a portion of the image non-display area, a first region and a second region provided around the first region. The first region has a single-layer structure of a second electrode. The second region has a stacked structure of a first electrode and the second electrode provided over the first electrode. The surface of the display electrode has a sparse degree between 12% and 15% (inclusive).

Abstract: Energy-saving lamps contain a gas filling of mercury vapour and argon in a gas discharge bulb. Amalgam balls are used for filling the gas discharge bulb with mercury. Novel coated balls whose operating life in the case of automatic metered introduction is increased by coating of the balls with an alloy powder and conglutination of the amalgam balls during storage and processing is prevented are proposed.

Abstract: An inner coupling tubular type electrodeless lamp comprises a glass bulb, an amalgam, and a power coupler. The glass bulb includes an external portion and an inner portion. A gas discharging cavity that is annularly airtight is defined by an envelopment of the external portion and the inner portion. A coupling cavity is defined in the inner portion. The power coupler includes a radiating post, a ferrite core, and a winding sequentially situating from an interior to an exterior thereof. The power coupler is disposed in the coupling cavity. Two ends of the coupling cavity are intercommunicated with each other as well as the exterior. The external portion of the glass bulb adopts the elongated tube. Wherein, a length of the ferrite core of the power coupler is not smaller than a half length of the coupling cavity. A length of the winding is measured from one-fifth to four-fifth of the length of the coupling cavity to evenly distribute an electromagnetic field.

Abstract: A display device comprising a transparent substrate, transparent electrodes, light-emitting layers, and reflective electrodes that define light-emitting pixels in which chiplets with pixel driving circuits are connected to pixel connection pads that are connected to the transparent electrode by an opaque electrode connector such that at least a portion of one opaque electrode connector overlaps at least a portion of a transparent electrode to which the opaque electrode connector is not electrically connected. The device provides a display having improved pixel-driving performance and increased light-emitting area.

Abstract: The plasma klystron switching device of the present invention may include a low-dielectric substrate, a plasma cavity internally pressurized by an inert gas, a circuit assembly formed on the first surface of the low-dielectric substrate and enclosed by the plasma cavity, wherein the circuit assembly includes a first electrode and a second electrode configured to form a switching gap, wherein the switching gap is configured to act as a high conductance plasma generation zone during an ON state of the plasma klystron switching device and a low conductance zone during an OFF state of the plasma klystron switching device, an evacuated klystron resonance generator, wherein the klystron resonance generator includes a klystron resonance cavity, wherein the klystron resonance generator includes a coupling aperture configured to RF couple the klystron resonance cavity and the plasma cavity, and a field emitter array configured to energize the klystron resonance generator.

Abstract: The present invention is to provide a novel ultraviolet irradiation metal halide lamp which can produce more intense light of ultraviolet region with a wavelength near 365 [nm]. This lamp is a metal halide lamp to produce mainly light of ultraviolet region. In order to produce light with a high spectrum in ultraviolet region, particularly, light of a wavelength of 350 to 380 [nm], at least mercury (Hg) and an iron are sealed into this lamp together with a rare gas. The sealed iron into the lamp is supplied by iron iodide (FeI2) and iron bromide (FeBr2) as iron halide (FeX2) and metal iron (Fe). When a quantity of materials sealed into the lamp is expressed such that A represents a quantity of metal iron sealed into the lamp, B represents a quantity of iron iodide sealed into the lamp and C represents a quantity of iron bromide sealed into the lamp, respectively, the quantity A of the metal iron falls within the range of 0.5(B+C)?A?10.

Abstract: An image processing method comprises: (A) separating R and B data and G data from input data; (B) loading data corresponding to respective odd rows of gamma-converted R and B data, and storing data corresponding to respective even rows of the R and B data adjacent to the loaded odd rows; (C) loading two R data of the even row, along with two R data of the odd row corresponding to a first display position, so as to form a 2×2 R pixel area, and loading two B data of the even row, along with two B data of the odd row corresponding to a second display position, so as to form a 2×2 B pixel area; (D) computing the sharpness of the corresponding display data by comparing the data in each of the R and B pixel areas column by column and row by row; (E) computing the luminance of the display data by taking the average value of the data corresponding to the odd row of each of the R and B pixel areas; (F) determining the gray scale value of output R data by adding the sharpness to the luminance of the R data, and determi

Abstract: A pixel circuit for use in a display comprising a plurality of pixels is provided. The load-balanced current mirror pixel circuit can compensate for device degradation and/or mismatch, and changing environmental factors like temperature and mechanical strain. The pixel circuit comprises a pixel drive circuit comprising, switching circuitry, a current mirror having a reference transistor and a drive transistor, the reference transistor and the drive transistor each having a first and second node and a gate, the gate of the reference transistor being connected to the gate of the drive transistor; and a capacitor connected between the gate of the reference transistor and a ground potential, and a load connected between the current mirror and a ground potential, the load having a first load element and a second load element, the first load element being connected to the first node of the reference transistor and the second load element being connected to the first node of the drive transistor.

Abstract: This compact fluorescent lamp includes a discharge tube arrangement with at least one discharge tube formed of glass and enclosing a discharge volume filled with a discharge gas. A ballast circuit is connected to the electrodes disposed at each end of a continuous arc path for controlling the current in the tube. A substantially spherical portion of an outer envelope encloses the tube arrangement and an elongated end portion encloses the ballast circuit. The end portion of the outer envelope is closed and sealed by a seal formed of the same material as the material of the outer envelope. In the associated method of manufacture, the envelope is separated by cutting along a circumferential line into an upper part and a lower part, the ballast circuit introduced into the lower part and respective lead-in wires and the lead-out wires are short and need not be insulated. The ballast circuit and the discharge tube arrangement are held and supported in the outer envelope by the connecting wires and fixing means.

Abstract: The invention relates to an illuminant compound for a discharge lamp (1), said compound having an emission spectrum in the green spectral range and being designed to absorb the radiation emitted in the visible spectral range by an Hg source and to convert said visible radiation of the Hg source into the emission spectrum of the illuminant compound. The invention also relates to a discharge lamp comprising an illuminant compound of this type.

Abstract: A luminophore consisting of the BAM system as a host lattice, having the stoichiometry MxEu1?xMg1?y+dMnyAl10+2fO17+d+3f, is provided, wherein 0.2?x?0.48; 0?y?0.3; 0?d?0.1; ?0.1?f?1.0.

Abstract: A polycrystalline sintered ceramic including (A) a garnet phase and (B) a perovskite, monoclinic or silicate phase wherein fine grains of phase (B) are included and dispersed in phase (A) is used as a wavelength converting member. Since the light transmitting through the wavelength converting member is scattered at the interface between the garnet phase and the perovskite, monoclinic or silicate phase, a light emitting device including the wavelength converting member produces light of more uniform color with a minimized loss thereof.

Abstract: A light emitting device includes a board and a light emitting element mounted on the board, emitting light having a wavelength of 250 nm to 500 nm. A red fluorescent layer is formed on the element and includes a red phosphor (M1?x1Eux1)aSibAlOcNd having a semicircular shape with a radius r, where M is an element that is selected from IA group elements, IIA group elements, IIIA group elements, IIIB group elements except Aluminum, rare-earth elements, and IVB group elements. An intermediate layer is formed on the red fluorescent layer, being made of transparent resin, having a semicircular shape with a radius D; and a green fluorescent layer is formed on the intermediate layer, including a green phosphor, having a semicircular shape. A relationship between the radius r and the radius D is 2.0r(?m)?D?(r+1000)(?m).

Abstract: A method of controlling a luminance of a light source is presented. The method entails generating red, green, blue and white data using red, green and blue data, applying a color weight according to contribution to luminance by each of the red, green, blue and white data to generate pixel luminance data, setting a luminance level of the light source based on the pixel luminance data, determining local information on a pure color block in a frame image by using the pixel luminance data, and adjusting the luminance level of the light source based on the local information on the pure color block. A display device that utilizes such method is also presented.

Abstract: A method of operating a display includes providing light having a luminance that varies periodically, overdriving a pixel circuit of the display, and modulating the light using the pixel circuit to generate modulated light. The amount of overdrive and the phase of the light relative to the overdriving of the pixel circuit are controlled such that the modulated light has a predetermined level of uniformity.

Abstract: In a plasma display panel, in which an area percentage of the display electrodes in an area of an image display region of the front panel is expressed by a longitudinal axis, and a difference between a coefficient of expansion of the front substrate from room temperature to 300° C. and a coefficient of expansion of the dielectric layer from room temperature to 300° C. is expressed by a lateral axis, the difference between the coefficients of expansion and the area percentage stay within a region formed by connecting coordinates (35×10?7/° C., 60%), coordinates (8×10?7/° C., 60%), coordinates (5×10?7/° C., 40%), and coordinates (23×10?7/° C., 40%) in the mentioned order with a straight line where the straight line is included.

Abstract: Disclosed is a light-emitting device (1) including a light-emitting element (2) emitting primary light, and a light converter (3) absorbing a part of the primary light emitted from the light-emitting element (2) and emitting secondary light having a longer wavelength than the primary light. The light converter (3) contains a green light-emitting phosphor (4) and a red light-emitting phosphor (5). The green light-emitting phosphor (4) is composed of at least one phosphor selected from a divalent europium-activated oxynitride phosphor substantially represented by the following formula: EuaSibAlcOdNe and a divalent europium-activated silicate phosphor substantially represented by the following formula: 2(Ba1-f-gMIfEug)O.SiO2, while the red light-emitting phosphor (5) is composed of at least one phosphor selected from tetravalent manganese-activated fluoro-tetravalent metalate phosphors substantially represented by the following formulae: MII2(MIII1-hMnh)F6 and/or MIV(MIII1-hMnh)F6.

Abstract: A luminophore consisting of the BAM system as a host lattice, having the stoichiometry MxEu1?xMg1?y+dMnyAl10+2fO17+d+3f, is provided, wherein 0.2?x?0.48; 0?y?0.3; 0?d?0.1; ?0.1?f?1.0.

Abstract: Provided is a process for producing a display apparatus, which comprises (a) a step of forming a seal part made of e.g. a double-sided adhesive tape 12 on the edge of a surface of a display device 50 (a first plate), (b) a step of supplying a liquid photocurable resin composition 14 to a region enclosed by the seal part, (c) a step of laminating, in a reduced-pressure atmosphere of not more than 100 Pa, a transparent plate 10 (a second plate) on the photocurable resin composition 14 thereby to obtain a laminated precursor having the photocurable resin composition 14 hermetically sealed, and (d) a step of curing the photocurable resin composition 14 in such a state that the laminated precursor is placed in a pressure atmosphere of not less than 50 kPa to form a resin layer.

Abstract: Some embodiments provide luminescent ceramics which have a lower amount of dopant than conventional luminescent ceramics. In some embodiments, the luminescent ceramic comprises a host material comprising a rare earth element and at least one rare earth dopant, wherein the rare earth dopant may be about 0.01% to 0.5% of the rare earth atoms present in the material. Some embodiments provide luminescent ceramic comprising: a polycrystalline phosphor represented by the formula (A1-xEx)3B5O12. Some embodiments provide a light-emitting device comprising a luminescent ceramic disclosed herein.

Abstract: The present disclosure is a plasma display panel including a green phosphor layer. In this plasma display panel, the green phosphor layer includes a phosphor represented by a general formula: aYO3/2.(3?a)CeO3/2.bAlO3/2.cGaO3/2, where 2.80?a?2.99, 1.00?b?5.00, 0?c?4.00, and 4.00?b+c?5.00 are satisfied. In this phosphor, a peak whose peak top is located in a range of diffraction angle 2? of not less than 16.7 degrees but not more than 16.9 degrees is present in an X-ray diffraction pattern obtained by measurement on the phosphor using an X-ray with a wavelength of 0.774 ?. The green phosphor layer also includes a phosphor represented by a general formula: dZnO.(2?d)MnO.eSiO2, where 1.80?d?1.90 and 1.00?e?1.02 are satisfied, in an amount of 30 wt % or more and 80 wt % or less of the total weight of green phosphors.

Abstract: An organic light emitting display including a demux is disclosed. The display include a plurality of RGB switching transistors which apply a data voltage through RGB data lines as the RGB switching transistors are coupled to the respective RGB data lines, and a plurality of RGB pixel circuits coupled to the RGB switching transistors of the demux. In addition, the RGB data voltage of the demux can be applied during a period which a turn-on emission control signal is applied to the RGB pixel circuits.

Abstract: This invention provides a vapor-tight luminaire that maintains a moisture-proof, sealed lower housing for the light-producing lamps (fluorescent lights, LED arrays, etc.) while isolating the electronic components in a separate, upper housing that is spaced apart from, and largely thermally isolated from, the lamps. The lamp housing comprises a unitary non-penetrated tubular lens with one or more removable end caps, sealed by gaskets. The lamp assembly is slidably mounted within the lower housing so that it is readily removable and replaceable with another assembly of the same or different type. The electronics in the upper housing is readily accessible and replaceable by removing a top cover that encloses a three sided channel member. The upper housing is metal and desirably enhances heat exchange with the environment. The two housings are held together by a pair of opposing end cap structures that include a housing end and a removable end cap.

Abstract: A 3-dimension facet light-emitting source device including a transparent container, an anode plate, a cathode plate, a plurality of transparent plates and a low-pressure gas layer is provided. The transparent container has a sealed space. The transparent plates are disposed between the anode plate and the cathode plate, and have a fluorescent layer thereon respectively. The lower pressure gas layer is filled in the sealed space to induce electrons emitting from the cathode plate, and the electrons fly in a direction parallel to the transparent plates and hit each fluorescent layer to emit light, so as to form a set of 3-dimension facet patterns.

Abstract: A green phosphor, has an orthorhombic structure of a Pnma space group and the Formula 1: (M11-xDx)pM2qOrAs??[Formula 1] wherein M1 is magnesium, calcium, strontium, barium, and any combination thereof, D is at least one of metal selected from the group consisting of europium, manganese, antimony, cerium, praseodymium, neodymium, samarium, terbium, dysprosium, erbium, ytterbium, bismuth, and any combination thereof, M2 is at least one selected from the group consisting of silicon, germanium, aluminum, gallium, and any combination thereof, A is at least one selected from the group consisting of chlorine, fluorine, bromine, iodine, and any combination thereof, and 2.7?p?3.3, 0.7?q?1.3, 3.5?r?4.5, 1.7?s?2.3, and 0<x?0.1. A method of preparing the green phosphor is disclosed, and a white light-emitting device including the green phosphor. The white light-emitting device has good thermal stability.

Abstract: A solid state lighting (SSL) device with a solid state emitter (SSE) being partially exposed in a channel loop, and methods of making and using such SSLs. The SSE can have thermally conductive projections such as fins, posts, or other structures configured to transfer heat into a fluid medium, such as a liquid coolant in the channel loop. The channel loop can include an upward channel in which the SSE is exposed to warm the coolant in the upward channel, and a downward channel through which coolant moves after being cooled by a cooling structure. The coolant in the channel loop can naturally circulate due to the heat from the SSE.

Abstract: The present invention provides a phosphor, including a constituent having the formula CapSrqMm-Aa-Bb—Ot—Nn:Eur, wherein M selected from the group consisting of beryllium and zinc; A selected from the group consisting of aluminum, gallium, indium, scandium, yttrium, lanthanum, gadolinium and lutetium; B selected from a group consisting of silicon, germanium, tin, titanium, zirconium and hafnium; 0<p<1; 0<q<1; 0?m?1; 0?t?0.3; 0.00001?r?0.1; a=1, 0.8?b?1.2; and 2.7?n?3.1; and the phosphor contains 20˜1500 ppm of magnesium and/or 40˜5000 ppm of barium. A high brightness phosphor emitting in the 600˜680 nm region is achieved by means of adjusting the proportion of each of the elements of the phosphor, and in combination with controlling concentration of the magnesium and barium of the phosphor within a specific range. In addition, the present invention provides a light emitting device provided with high brilliance.

Abstract: The invention provides microcavity plasma devices and arrays that are formed in layers that also seal the plasma medium, i.e., gas(es) and/or vapors. No separate packaging layers are required and additional packaging can be omitted if it is desirable to do so. A preferred microcavity plasma device includes first and second thin layers that are joined together. A half ellipsoid microcavity or plurality of half ellipsoid microcavities is defined in one or both of the first and second thin layers, and electrodes are arranged with respect to the microcavity to excite a plasma within said microcavities upon application of a predetermined voltage to the electrodes. A method for forming a microcavity plasma device having a plurality of half or full ellipsoid microcavities in one or both of first and second thin layers is also provided by a preferred embodiment. The method includes defining a pattern of protective polymer on the first thin layer.

Abstract: A flat or substantially flat luminous structure including two walls having main faces facing one another and defining an internal space, a light source placed in the internal space and a power supply for the light source, and at least one substantially transparent part or an overall transparent part forming at least one light well. The structure is capable of illuminating via at least one luminous region of at least one of the main faces, an element having a reflective surface that reflects visible light, placed facing at least one part of the luminous region. The element is switchable and the reflective surface is capable of becoming a substantially transparent surface or an overall transparent surface over at least one area, and vice versa.

Abstract: It is an object to provide a plasma display and a field emission display that each have high visibility and an anti-reflection function that can further reduce reflection of incident light from external. Reflection of light can be prevented by having an anti-reflection layer that geometrically includes a plurality of adjacent pyramidal projections. In addition, a plurality of hexagonal pyramidal projections, each of which is provided with a protective layer formed of a material having a lower refractive index than a refractive index of the pyramidal projection so as to fill a space among the plurality of pyramidal projections, can be provided to be packed together without any spaces. Further, six sides of a pyramidal projection face different directions with respect to a base. Therefore, light can be diffused in many directions efficiently.