Abstract: The present invention provides a technology that allows reducing the used amount of a Mn4+-activated fluoride complex phosphor without loss of luminous efficiency, in a white light-emitting device that is provided with the Mn4+-activated fluoride complex phosphor and an LED element that is an excitation source of the phosphor. The present invention provides a white light-emitting device comprises a blue LED element, as well as a yellow phosphor and/or a green phosphor and a red phosphor as phosphors that are excited by the blue LED element. The red phosphor contains a Mn4+-activated fluoride complex phosphor and a Eu2+-activated alkaline earth silicon nitride phosphor.

Abstract: A display device of the invention includes: a self-light-emitting display panel including a first substrate and a second substrate; a first heat-shrinkable film for anti-reflection bonded to a surface of the first substrate on the side opposite to the second substrate and having different shrinkage rates depending on directions; and a second heat-shrinkable film bonded to a surface of the second substrate on the side opposite to the first substrate and having different shrinkage rates depending on directions, wherein a first shrinkage direction that is a direction having a highest shrinkage rate among directions in which the first heat-shrinkable film shrinks is the same as a second shrinkage direction that is a direction having a highest shrinkage rate among directions in which the second heat-shrinkable film shrinks.

Abstract: Certain embodiments provide a white LED for a backlight of a liquid crystal display device, which comprises an ultraviolet (or violet) light emitting element and a phosphor layer that contains a green phosphor selected from trivalent cerium- and terbium-activated rare earth borate phosphors, a blue phosphor selected from divalent europium-activated halophosphate phosphors and divalent europium-activated aluminate phosphors, and a red phosphor selected from europium-activated lanthanum oxysulfide phosphors and europium-activated yttrium oxysulfide phosphors as the contained amounts of the respective phosphors relative to the total amount of the phosphors as follows: 35-50% by weight of the green phosphor content; 50-70% by weight of the blue phosphor content; and 1-10% by weight of the red phosphor content.

Abstract: Mercury vapor discharge fluorescent lamps are provided. The lamp can include a lamp envelope enclosing a discharge space and having an inner surface. First and second electrodes can be positioned on the lamp, such as on opposite ends of the lamp envelope. An ionizable medium that includes mercury and an inert gas can be within said lamp envelope. A phosphor layer can be on the inner surface of the lamp envelope. The phosphor layer generally includes a phosphor blend of a calcium halophosphor, a blue phosphor having an emission peak at about 440 nm to about 490 nm, a blue-green phosphor having an emission peak at about 475 nm to about 530 nm, and a red phosphor having an emission peak at about 600 nm to about 650 nm.

Abstract: An organic light-emitting display device and a method of manufacturing the same are presented. The organic light-emitting display device includes substrate; a display unit comprising a plurality of emission regions in which organic light-emitting devices are disposed, and a pixel-defining layer having openings defining the emission regions, the emission regions and the pixel-defining film being formed on the substrate; an encapsulation thin film that covers the display unit on the substrate and that comprises a plurality of stacked insulating layers; and a color film that is interposed between the insulating layers of the encapsulation thin film and that is formed to at least fill a concave portion corresponding to each of the openings.

Abstract: This invention is related to efficient inorganic borophosphate phosphors which can applied in various technical applications such as fluorescent lamps, colored light or white light emitting diodes, and other devices where phosphors are used to convert especially near UV radiation into the visible light. Further, this invention is related to light sources comprising the efficient borophosphate phosphor. The inventive phosphor absorbs radiation in a first wavelength range of the electromagnetic spectrum and emits radiation in a second wavelength range of the electromagnetic spectrum. This phosphor is a borophosphate activated with divalent rare earth metal ions.

Abstract: A dimming method of an organic EL displaying apparatus having a displaying unit constructed by combining pixels each having a substrate, an organic EL element formed over the substrate, a power supply line for supplying a power source to the organic EL element, and at least one TFT provided on a wiring path from the power supply line to the organic EL element. The TFT has a semiconductor layer which is arranged between a source electrode and a drain electrode and is electrically connected to the source electrode and the drain electrode. A laser beam is irradiated from a downward direction of the substrate to a region which does not overlap a gate electrode, the source electrode, the drain electrode, and the wiring layer when seen as a plan view in a plane region where the semiconductor layer is provided.

Abstract: An organic EL module includes an element substrate on which at least one organic EL element is formed, a first terminal provided on the element substrate and is drawn out from the electrode of the at least one organic EL element, a second terminal facing the first terminal and provided on a circuit substrate, and a pole that electrically connects the first terminal with the second terminal through a through-hole of the circuit substrate.

Abstract: A wavelength conversion structure comprises a first phosphor layer and a second phosphor layer formed on the first phosphor layer, wherein the first phosphor layer comprises a plurality of first phosphor particles, and the second phosphor layer comprises a plurality of second phosphor particles. The average particle size of the second phosphor particles is not equal to that of the first phosphor particles.

Abstract: Anodes of a plurality of organic EL elements are connected together. A forward bias voltage relative to the potential of anodes and a reverse bias voltage are alternately applied to cathodes of the plurality of organic EL elements at a predetermined period. The ratio of the time for which the reverse bias voltage is applied and the time for which the forward bias voltage is applied is increased.

Abstract: The color of light emitted by an assembled light emitting diode (LED) based illumination device with at least two different wavelength converting materials is automatically tuned to within a predefined tolerance of a target color point by modifying portions of the wavelength converting materials. The color of light emitted from the assembled LED based illumination device is measured and a material modification plan is determined based at least in part on the measured color of light and a desired color of light to be emitted. The material modification plan may further include the location of the wavelength converting materials to be modified. The wavelength converting materials are selectively modified in accordance with the material modification plan so that the assembled LED based illumination device emits a second color of light that is within a predetermined tolerance of a target color point.

Abstract: A light emitting device includes a first luminous body having a first light source and a long wavelength cut-off filter; and a second luminous body generating light of different color from that of the first luminous body, and having a second light source and a short wavelength cut-off filter. The first and the second light source emit light in a first wavelength range and a second wavelength range extending to a longer wavelength side than the first wavelength range while overlapping with the first wavelength range, respectively. The long and the short wavelength cut-off filter cut off light having a wavelength longer than a first set wavelength and shorter longer than a second set wavelength, respectively. Thus, light emitted from the first luminous body and light emitted from the second luminous body are mixed together, such that light in between the first set wavelength and the second set wavelength is reduced.

Abstract: A display panel includes a periphery area, an active display area adjacent to the periphery, a driving chip disposed out of the active display area for driving the active display area, and a plurality of wires electrically connecting the driving chip and the active display area. The width of at least one wire at a portion adjacent to the driving chip is smaller than the width of the at least one wire at the other portion adjacent to the active display area.

Abstract: A white light emitting device according to an embodiment includes: a light emitting element having a peak wavelength in a wavelength range of 430 nm or more and 470 nm or less; a first fluorescent material emits light with a first peak wavelength of 525 nm or more and 560 nm or less; a second fluorescent material emits light with a second peak wavelength longer than the first peak wavelength; and a third fluorescent material emits light with a third peak wavelength of 620 nm or more and 750 nm or less, which is longer than the second peak wavelength. The first fluorescent material and the second fluorescent material has a composition of MSi?O?N?, and when the first peak wavelength is denoted by ?1 (nm), whereas the second peak wavelength is denoted by ?2 (nm), 1100??1+?2 and ?2??1?60 are satisfied.

Abstract: The invention provides a semiconductor device which performs a write operation of a signal current rapidly to a current input type pixel. Before inputting a signal current, a precharge operation is performed by flowing a large current. After that, a signal current is inputted to perform the set operation. A predetermined potential can be obtained rapidly as the precharge operation is performed before the set operation. The predetermined potential is approximately equal to a potential after completing the set operation. Therefore, the set operation can be rapidly performed and a write operation of a signal current can be rapidly performed. By using two transistors, a gate width W can be long or a gate length L can be short in the precharge operation or the gate width W can be short and the gate length L can be long in the set operation.

Abstract: The invention relates to an OLED and its manufacture. The OLED comprises substrate (1), a first electrode layer (2), a package (3) of layers comprising organic electroluminescence material, a second electrode layer (4), a spacer layer (5) and a cover (6) being sealed to the substrate (1) via a sealing material (8). According to the invention, the cover (6) is formed as a layer of a flexible material which is permanently fixed to at least a part of the spacer layer (5). OLEDs with this feature have less moisture penetration and can be produced with less costs. Moreover, electrical contacts (11) between the cover (6) and one of the electrode layers (2, 4) are more reliable in OLEDs having this feature.

Abstract: To make a light emitting device, a light emitting element is placed in a recess of a package, powders having a fluorescent material and coated with inorganic particles are provided, the fluorescent powders, fillers and a resin are mixed, the light emitting element placed in the recess of the package is sealed with the resin, and a centrifugal force is applied to the sealed package so that the fluorescent powders and the fillers sediment are pushed toward a bottom of the recess.

Abstract: An inorganic electroluminescence device has a structure including a phosphor layer sandwiched between a first electrode and a second electrode; and a semiconductor structure in which N-type semiconductors and a P-type semiconductor, made of inorganic semiconductor materials, are joined to form an NPN type structure. The phosphor is made of an inorganic substance. The first electrode is to be a cathode and is formed on an insulating glass substrate. The second electrode is to be an anode and is disposed opposite the first electrode. The semiconductor structure is disposed between the cathode that is the first electrode and the phosphor layer.

Abstract: An organic light emitting display (OLED) apparatus and a method of manufacturing the same, the OLED apparatus including: a substrate; an active layer formed on the substrate; a gate electrode insulated from the active layer; source and drain electrodes insulated from the gate electrode and electrically connected to the active layer; a pixel defining layer formed on the source and drain electrodes, having an aperture to expose one of the source and drain electrodes; an intermediate layer formed in the aperture and comprising an organic light emitting layer; and a facing electrode which is formed on the intermediate layer. One of the source and drain electrodes has an extension that operates as a pixel electrode. The aperture exposes the extended portion. The intermediate layer is formed on the extended portion.

Abstract: An electro-optical device includes an effective display region including a pixel, the pixel including a first electrode, a second electrode, and a light-emitting layer between the first electrode and the second electrode; and a wiring line connected to the second electrode at a position to the periphery of the effective display region, the wiring line including a first wiring layer and a second wiring layer that are electrically connected to each other and that overlap each other, the first wiring layer and the second wiring layer both extending in a direction in which an edge of the effective display region extends, the first wiring layer and the second wiring layer extending in the direction a distance that is longer than a distance in which the edge of the effective display region extends in the direction.

Abstract: A flexible display panel including: a flexible substrate comprising a first area and a second area, wherein the first area is formed in a first direction, and the second area is formed in a second direction that is different from the first direction; a first display area formed on the first area of the flexible substrate; a second display area formed on the second area of the flexible substrate; a bending area formed between the first display area and the second display area; and an encapsulation substrate encapsulating at least the first display area and the second display area. Accordingly, as a display area is not formed in a bent portion, display defects due to bending may be prevented.

Abstract: A light emitting section emits fluorescence upon receiving exciting light emitted from a laser element. The light emitting section includes a plurality of fluorescent material particles made from a single type of fluorescent material or several types of fluorescent materials, the plurality of fluorescent material particles being accumulated on a metal substrate to form a layer of the plurality of fluorescent material particles. Each of the plurality of fluorescent material particles has a surface coated with a coating layer. The coating layer forms an uneven shape of a surface of the light emitting section.

Abstract: A field emission light source device, comprising: cathode plate comprising substrate and cathode conductive layer disposed on surface of substrate, and anode plate comprising base formed from transparent ceramic material and anode conductive layer disposed on one surface of base, and insulating support member by which cathode plate and anode plate are integrally fixed, and vacuum-tight chamber formed with anode plate, cathode plate and insulating support member; anode conductive layer and the cathode plate are disposed opposite each other. Because of advantages of good electrical conductivity, high light transmittance, stable electron-impact resistance performance and uniform luminescence, using transparent ceramic as the base of the anode plate in the field emission light source device can increase electron beam excitation efficiency effectively, increase light extraction efficiency of the field emission light source device, and finally increase its luminous efficiency.

Abstract: The present invention relates to a blend comprising; a) at least one polymer or copolymer or a mixture of a plurality of polymers and/or copolymers which contain a main chain and a side chain, where at least one side chain contains a structural unit of the following formula (I), the symbols and indices used here are as defined below; b) at least one host molecule which has electron- or hole-transporting functionality, and c) at least one emitter molecule.

Abstract: An object of the present invention is to provide an organic EL element including a plurality of light-emitting layers which each emit light having a different peak wavelength, and having excellent light-emitting performances such as light-emitting intensity with a simple structure.

Abstract: Disclosed are a phosphor, a method for preparing and using the same, a light emitting device package, a surface light source apparatus, a lighting apparatus using the phosphor, and a display apparatus. The phosphor includes an inorganic compound represented by an empirical formula (Sr, M)2SiO4-xNy:Eu, where M is a metallic element, 0<x<4, and y=2x/3.

Abstract: A phosphor and a manufacturing method thereof, and the light emitting device using the same are provided, wherein the composition formula of the phosphor is Ii-Mm-Aa-Bb—Ot—Nn:Zr, wherein I is selected from the group consisting of Li, Na, and K, M is selected from the group consisting of Ca, Sr, Mg, Ba, Be, and Zn, A is selected from the group consisting of Al, Ga, In, Sc, Y, La, Gd, and Lu, B is selected from the group consisting of Si, Ge, Sn, Ti, Zr, and Hr, and Z is selected from the group consisting of Eu and Ce; m+r=1, 0<i<0.25, 0<a<1, 0<b<2, 1.15<b/a<1.4, 0?t?0.7, 2.1?n?14.4, and 0.001?r?0.095.

Abstract: Light-emitting modules according to the embodiments is configured by mounting a plurality of semiconductor light-emitting elements having the same light-emitting property in a closed-up manner on a substrate and sealing the closed up plurality of semiconductor light-emitting elements by a dome shaped sealing member altogether.

Abstract: The claimed invention was made by, on behalf of, and/or in connection with one or more of the following parties to a joint university corporation research agreement: Princeton University, The University of Southern California, The University of Michigan and Universal Display Corporation. The agreement was in effect on and before the date the claimed invention was made, and the claimed invention was made as a result of activities undertaken within the scope of the agreement.

Abstract: Disclosed are a compound that emits fluorescence, particularly in its solid state, and is suited to provide a color converting material with various improved performance properties over prior art and a light emitter, a color conversion filter, a color conversion device, and a photoelectric device each containing the compound; particularly a Schiff base type compound of formula (I) and a coloring material, a color conversion layer, a light absorbing layer, a color conversion filter, a light absorbing filter, a color-converting light-emitting device, and a photoelectric device each containing the compound. The definition of the symbols in formula (I) is the same as in the specification.

Abstract: Provided are charge-transporting varnishes that can form satisfactory thin films and can provide organic EL elements that can exhibit excellent emission efficiency and luminance characteristics when used for EL elements that have a structure on a substrate. The charge-transporting varnishes comprise quinone diimine derivatives represented by general formula (1) that are oligoaniline derivatives or oxides thereof, electron-accepting dopant substances or hole-accepting dopant substances, and at least one kind of silane compound. [In the formula, R1, R2 and R3 each independently represents a hydrogen atom, a halogen atom, a hydroxyl group, etc. A and B each independently represents a divalent group represented by general formula (2) or (3). (In the formulas, R4-R11 each independently represents a hydrogen atom, a halogen atom, a hydroxyl group, etc.) m and n are each independently integers of 1 or greater and satisfy m+n?20.

Abstract: The present invention provides a new phosphor with a controllable emission wavelength without using a number of rare and expensive raw materials in forming the composition. The phosphor includes a compound including a fluorescent ion and having a garnet structure including a rare earth element, aluminum, and oxygen. The compound has such a composition that a combination of the rare earth element and the aluminum of the compound is partially replaced with a combination of alkaline earth metal and zirconium (Zr) or alkaline earth metal and hafnium (Hf).

Abstract: A light-emitting device and an electronic apparatus, which are capable of preventing reduction of the amount of current flowing through light-emitting elements and which have an excellent display characteristic, are provided. Cathode wiring lines 13 connected to a cathode 12 are provided to surround an effective area 2a outside the effective area 2a where a plurality of pixels 103R, G and B having light-emitting elements are provided. First to third power source lines 103G, 103B and 103R connected to pixel electrodes are provided between the cathode wiring lines 13 and the effective area 2a.

Abstract: A light emitting device includes an LED and a layer of luminophoric particles, such as phosphor, that are non-homogeneous in size as a function of distance away from the LED. For example, a first layer of relatively large size phosphor particles may be provided between a second layer of relatively small size phosphor particles and the LED. The large particles can provide high brightness and the small particles can reduce angular color temperature variation in emitted light.

Abstract: A full-color AM OLED includes a transparent substrate, a color filter positioned on an upper surface of the substrate, and a metal oxide thin film transistor backpanel positioned in overlying relationship on the color filter and defining an array of pixels. An array of OLEDs is formed on the backpanel and positioned to emit light downwardly through the backpanel, the color filter, and the substrate in a full-color display. Light emitted by each OLED includes a first emission band with wavelengths extending across the range of two of the primary colors and a second emission band with wavelengths extending across the range of the remaining primary color. The color filter includes for each pixel, two zones separating the first emission band into two separate primary colors and a third zone passing the second emission band.

Abstract: A flexible display panel including: a flexible substrate including a first region, second regions that extend from the first region and that have a curved surface, and a third region folded towards the second regions; a first display region in the first region of the flexible substrate; a second display region in the second regions of the flexible substrate; a plurality of non-display regions outside the first display region or the second display regions, wherein at least one of the plurality of non-display regions is in the third region of the flexible substrate; and an encapsulation member for encapsulating the first display region and the second display regions.

Abstract: An object of the present invention is to provide such a sealing structure that a material to be a deterioration factor such as water or oxygen is prevented from entering from external and sufficient reliability is obtained in a display using an organic or inorganic electroluminescent element. In view of the above object, focusing on permeability of an interlayer insulating film, deterioration of an electroluminescent element is suppressed and sufficient reliability is obtained by preventing water entry from an interlayer insulating film according to the present invention.

Abstract: In an example embodiment, a display apparatus includes a substrate having wiring lines formed by a conductor film including signal and scanning lines arranged in columns and rows, and a matrix of pixels, and includes a light-emitting material interposed between an anode and cathode electrode and a first and second uneven zone are between the anode electrode of the pixel and an adjacent pixel. The first uneven zone is formed on the substrate due to level differences resulting from the presence of the scanning lines. The second uneven zone is formed on the substrate also due to level differences resulting from the presence of the scanning lines. A pattern of the conductor film of which the wiring lines are made is formed so part of recessed portions of the first uneven zone are located behind their corresponding raised portions of the second uneven zone, as viewed from inside the pixel.

Abstract: A display device of the invention includes: a self-light-emitting display panel including a first substrate and a second substrate; a first heat-shrinkable film for anti-reflection bonded to a surface of the first substrate on the side opposite to the second substrate and having different shrinkage rates depending on directions; and a second heat-shrinkable film bonded to a surface of the second substrate on the side opposite to the first substrate and having different shrinkage rates depending on directions, wherein a first shrinkage direction that is a direction having a highest shrinkage rate among directions in which the first heat-shrinkable film shrinks is the same as a second shrinkage direction that is a direction having a highest shrinkage rate among directions in which the second heat-shrinkable film shrinks.

Abstract: A method of patterning a color conversion layer for an organic EL device is provided together with a method of manufacturing a multiple color emitting organic EL display using the patterning method. The patterning method includes forming the color conversion layer on a base having an organic layer and patterning the color conversion layer by carrying out a thermal cycle nano imprint technique.

Abstract: A phosphor adhesive sheet includes a phosphor layer containing a phosphor and an adhesive layer laminated on one surface in a thickness direction of the phosphor layer. The adhesive layer is formed of a silicone resin composition having both thermoplastic and thermosetting properties.

Abstract: Electronic articles such as, for example, electroluminescent lamps useful for displays and method of making the same are provided. The electronic articles include a substrate, a conductive element adjacent to the substrate, a high dielectric composite adjacent to the conductive element and an electrically-active layer adjacent to at least a portion of the high dielectric composite. The high dielectric composite includes a polymeric binder and from 1 to 80 volume percent of filler retained in the binder. The filler comprises particles that include an electrically-conducting layer and an insulating layer substantially surrounding the electrically-conducting layer. In some embodiments the binder includes a pressure-sensitive adhesive and the composite has adhesive properties.

Abstract: A phosphor-enhanced light source 100 for presenting a visible pattern and a luminaire is provided. The phosphor-enhanced light source 100 comprises a light exit window 112, a light emitter 122, a luminescent layer 104. The light exit window 112 emits light into the ambient of the phosphor-enhanced light source 100. The light emitter 122 emits light 120 of a first color distribution towards the light exit window 112. The luminescent layer 104 comprises luminescent material to absorb a part of the light 120 of the first color distribution and to convert a part of the absorbed light into light 116 of a second color distribution. At least a part of the luminescent layer 104 forms at least a part of the light exit window 112. The luminescent layer 104 comprises a first area 102 and a second area 118 that is different from the first area 102. The respective areas 102, 118 form a pattern.

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 self-light emitting device and an electrical appliance including the same are provided, in which extracting efficiency of light from a light emitting element, especially in an EL element, can be improved. A light scattering body formed by etching a transparent film is provided on an insulator so that the extracting efficiency of light can be improved, and the self-light emitting device with high efficiency of light emission can be provided.

Abstract: According to one embodiment, there is provided a light emitting device includes a substrate; a first light emitting element mounted on one surface side of the substrate; a second light emitting element mounted on the one surface side of the substrate and having a light emitting layer positioned above a light emitting layer of the first light emitting element; and a fluorescent material layer covering the first light emitting element and containing a fluorescent material.

Abstract: Provided is a method of manufacturing an organic EL device, wherein a device which has a cathode, an anode facing the cathode, and an organic layer is disposed between the cathode and the anode is provided, a pulsed laser is transmitted through the cathode and is irradiated to the organic layer, and a conductive part having an electrical resistance value lower than that of the organic layer is formed in the organic layer.

Abstract: An organic electroluminescence element includes: a pair of electrodes composed of a positive electrode and a negative electrode, one of which is transparent or semitransparent; and one or more organic compound layers that are sandwiched between the pair of electrodes, in which at least one layer of the organic compound layers contains one or more of charge-transporting polyesters represented by formula (I).

Abstract: A method for providing, on a carrier (40), an insulative spacer layer (26) which is patterned such that a cavity (27) is formed which enables connection of an optical semiconductor element (41) to the intended conductor structure (22) when placed inside the cavity (27). The cavity (27) is formed such that it, through its shape, extension and/or depth, accurately defines a location of an optical element (45; 61) in relation to the optical semiconductor element (41). Through the provision of such a patterned insulative spacer layer, compact and cost-efficient optical semiconductor devices can be mass-produced based on such a carrier without the need for prolonged development or acquisition of new and expensive manufacturing equipment.

Abstract: A display panel includes a periphery area, an active display area adjacent to the periphery area and having two opposite sides connecting with the periphery area, a driving chip disposed at the periphery area for driving electrical elements in the active display area, and a plurality of wires electrically connecting the driving chip and the electrical elements in the active display area. The distance from a first part of the wires to the center of the driving chip is farther than the distance from a second part of the wires to the center of the driving chip, and the width of the first part of the wires on a reference line perpendicular to the opposite sides of the active display area is greater than the width of the second part of the wires on the reference line.