Abstract: A novel security feature for a valuable and/or security product is formed by a pattern that is formed on at least one carrier surface and has a color progression structure that is formed with a digital printing method from pattern elements arranged in a grid. The color progression structure is produced with at least two luminescence media that exhibit spectrally different luminescences. The valuable and/or security product according to the invention has one or more product carriers and at least one security feature that is arranged on or in the product carrier or carriers.

Abstract: A novel compound containing two silicon centers with carbazole, dibenzothiophene, or triphenylene building blocks connected to the silicon is disclosed. The disclosed compound is useful as a host material in the emissive layers in phosphorescent OLEDs.

Abstract: The light emitting screen of the present invention includes: a blue light emitting layer emitting blue light by being excited with first excitation light; a green light emitting layer which is disposed on the blue light emitting layer and emits green light by being excited with second excitation light; a red light emitting layer which is disposed on the green light emitting layer and emits red light by being excited with third excitation light; a first selective reflection layer which is disposed between the blue light emitting layer and the green light emitting layer; and a second selective reflection layer which is disposed between the green light emitting layer and the red light emitting layer, wherein the blue light emitting layer, the green light emitting layer, and the red light emitting layer contain quantum rods or quantum dots.

Abstract: An object of the present invention is to provide a light-emitting device that can implement a natural, vivid, highly visible and comfortable appearance of colors and appearance of objects as if the objects are seen outdoors, and to provide a light-emitting device that can change the appearance of colors of the illuminated objects so as to satisfy the requirements for various illuminations, and a method for designing thereof. Another object of the present invention is to improve the appearance of colors of a light-emitting device which currently exists or is in use, and which includes a semiconductor light-emitting device of which appearance of colors is not very good. Moreover, another object of the present invention is to provide a method for driving the light-emitting device, an illumination method by the device, and a method for manufacturing the light-emitting device.

Abstract: The present invention relates to europium-doped phosphors, to a process for the preparation thereof, and to the use of these compounds as conversion phosphors. The present invention furthermore relates to light-emitting devices which comprise the phosphor according to the invention.

Abstract: An organic light-emitting display apparatus and a manufacturing method thereof. The organic light-emitting display apparatus includes a substrate, a display unit arranged on the substrate, a dam unit arranged at a periphery of the display unit and on the substrate and an encapsulating layer to encapsulate the display unit, wherein the encapsulating layer includes an organic film covering the display unit, and an inorganic film covering the organic film and the dam unit, and wherein a hardness of the dam unit is lower than that of the inorganic film. According to this, lateral moisture-proof characteristics of the organic light-emitting display apparatus are improved.

Abstract: [Problem]An organic compound of excellent characteristics is provided that exhibits excellent hole-injecting/transporting performance with electron blocking ability, and that has high stability in the thin-film state and high luminous efficiency, the organic compound being provided as material for an organic electroluminescent device having high efficiency and high durability. The invention also provides a high-efficient, high-durable organic electroluminescent device using the compound. [Means for Resolution] The compound is of the following general formula having a carbazole ring structure. The organic electroluminescent device includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes, and the compound is used as a constituent material of at least one organic layer.

Abstract: An organic light emitting diode (OLED) device includes a cathode, an anode and an organic function layer interposed between the cathode and the anode. A material of the cathode is at least one of a metal and a metal alloy. The light emitted from the organic function layer exits at least through the cathode. The organic light emitting diode device further includes an anti-reflective layer on a side of the cathode that faces away from the organic function layer. The anti-reflective layer includes a first surface and a second surface opposite to each other. The first surface contacts the cathode. External light reflected by the first surface and external light reflected by the second surface interfere destructively.

Abstract: Disclosed are a heterocyclic compound and an organic light emitting device including the same.

Abstract: An OLED light emitting device and a display device are provided. The OLED light emitting device has a cathode, a light-emitting layer, an anode, a substrate, and a light extraction layer; the light extraction layer at least has a first material layer and a second material layer; a first contact surface of the first material layer and a second contact surface of the second material layer contact each other; a longitudinal section of the first contact surface and that of the second contact surface have sawtooth portions fitted with each other; nA>nsubstrate>nB.

Abstract: A light-emitting device includes a light-emitting element for emitting primary light, and a wavelength conversion unit for absorbing part of the primary light and emitting secondary light having a wavelength longer than that of the primary light, wherein the wavelength conversion unit includes plural kinds of phosphors having light absorption characteristics different from each other, and then at least one kind of phosphor among the plural kinds of phosphors has an absorption characteristic that can absorb the secondary light emitted from at least another kind of phosphor among the plural kinds of phosphors.

Abstract: The present disclosure provides an organic light-emitting diode (OLED) device, comprising at least two electron transport layers between a cathode and a light-emitting layer of the device, wherein energy barrier of different electron transport layers successively increase from the cathode to the light-emitting layer. The present disclosure also provides an evaporation equipment and an OLED device manufacturing method, wherein the electron transport layers of the OLED device are formed by an evaporation process using the evaporation equipment. The OLED device of the present disclosure improves the luminescence efficiency of OLED devices, and the evaporation equipment can readily effect a fast switching between different evaporation rates within a same evaporation chamber.

Abstract: A display unit includes a light emitting layer including a light emitting device; a color filter layer including a color filter corresponding to the light emitting device; and a light blocking layer including a light blocking member arranged to overlap an end of the color filter, a center position of the light blocking member being offset from the end of the color filter.

Abstract: An EL display device including a light emitter configured to emit at least red, green, and blue light; and a thin film transistor array that controls light emission. The light emitter includes light-emitting layers within areas defined by a bank that emit at least red, green, and blue light. The light emitter further includes electrodes that extend under the bank and hole transport layers that are above the electrodes within the areas defined by the bank, the light-emitting layers being formed on the hole transport layers. The hole transport layers each have a main portion and a peripheral protrusion in contact with a side surface of the bank that protrudes upwards from the main portion. The light-emitting layers each have a peripheral protrusion in contact with a side surface of the bank, formed above a corresponding one of the peripheral protrusions.

Abstract: A light emitting device is provided which includes a light emitting element, a phosphor, and a sealing member. The light emitting element has a light emission peak wavelength in the range not shorter than 400 nm and not longer than 460 nm. The phosphor can be excited by light from the light emitting element, and emit luminescent radiation with a light emission peak wavelength in the range in not shorter than 600 nm and not longer than 700 nm. The sealing member includes a pigment for absorbing a part of the light from the light emitting element. X of the light emission chromaticity of the light emitting device falls within the range of x?0.600 in the chromaticity coordinates in the CIE 1931 color space chromaticity diagram.

Abstract: The double-face display panel comprises a plurality of pixel units arranged in an array mode, and the pixel unit comprises an anode, a cathode, an organic material functional layer arranged between the anode and the cathode and at least one thin film transistor, wherein the anode comprises a transmission anode and a reflection anode, the cathode comprises a transmission cathode and a reflection cathode, the transmission anode at least corresponds to the reflection cathode, the transmission cathode at least corresponds to the reflection anode, and the reflection anode and the reflection cathode are arranged in a staggered mode; the transmission anode is electrically connected with a drain electrode of the thin film transistor, and the reflection anode is electrically connected with the drain electrode of the thin film transistor.

Abstract: An organic light-emitting component includes a substrate on which a functional layer stack is applied, the stack including a first electrode, an organic functional layer stack thereover including an organic light-emitting layer and a translucent second electrode thereover, and a translucent halogen-containing thin-film encapsulation arrangement over the translucent second electrode, wherein a translucent protective layer having a refractive index of more than 1.6 is arranged directly on a translucent second electrode between the translucent second electrode and the thin-film encapsulation arrangement, and the thin-film encapsulation arrangement is arranged directly on the translucent protective layer.

Abstract: The present invention provides a touch element and a manufacturing method thereof, and a touch screen. The touch element includes a substrate and a touch layer arranged on the substrate, the touch layer is made of a doped carbon nanotube material, and the doped carbon nanotube material is formed by doping and modifying a carbon nanotube material with a strong oxidizing material. The touch element has higher conductivity and lower sheet resistance, which makes the touch element have a good touch performance, thus making a touch product with the touch element achieve the same touch performance while reducing the cost of the touch product; at the same time, the touch layer made of the doped carbon nanotube material has good characteristics of bending resistance, scratch resistance and knocking resistance, so that the touch element can be well applied to the touch of a flexible display product.

Abstract: Solid state light emitting devices and display devices include at least one filtering material arranged to provide at least one spectral notch comprising a wavelength of greatest attenuation in at least one spectrum between dominant wavelengths of solid state light emitters of the light emitting and/or display devices. The at least one spectral notch may be non-overlapping with a majority or an entirety of spectral output of each solid state light emitter. Filtering material may be arranged in a light path between at least some emitters and) at least one light output surface of a light emitting or display device, with the filtering material(s) arranged to receive incident ambient light, such that at least a portion of reflected ambient light exiting the device exhibits at least one spectral notch.

Abstract: An organic light emitting display device may include: a cell array comprising gate lines and data lines intersecting each other on a substrate so as to define a plurality of pixel areas, a plurality of thin film transistors formed at intersections between the gate lines and the data lines to correspond to the plurality of pixel areas, and a protective film evenly formed over the substrate to cover the thin film transistors; a plurality of first electrodes formed such that portions of an metal oxide layer corresponding to emission areas of the respective pixel areas, is made conductive, the metal oxide layer evenly disposed on the protective film; a bank constituting the remaining portion of the metal oxide layer in which the first electrodes are not formed and formed so as to have insulating properties; an emission layer formed over the metal oxide layer; and a second electrode formed on the emission layer so as to face the first electrodes.

Abstract: Heavily phosphor loaded LED packages having higher stability and a method for increasing the stability of heavily phosphor loaded LED packages. A silicone overlayer is provided on the phosphor silicone blend layer.

Abstract: A fluoride fluorescent material, comprising: a fluoride particles having a chemical composition represented by the formula (I): A2[M1?aMn4+aF6]??(I) wherein A is at least one cation selected from the group consisting of K+, Li+, Na+, Rb+, Cs+ and NH4+; M is at least one element selected from the group consisting of elements from Group 4 of the periodic table and elements from Group 14 of the periodic table; and variable a satisfies 0<a<0.2; and a thermally-conductive substance having a higher thermal conductivity than the fluoride particles, and that is arranged on at least a portion of a surface of the fluoride particles, and a method for producing the fluoride fluorescent material.

Abstract: The present disclosure generally relates to novel compounds containing carbazole and triazine with different number of phenyl units attached to its core. In particular, the disclosure relates to compositions and/or devices comprising these compounds as hosts for PHOLEDs.

Abstract: Provided are a light source package and a display device including the light source package. The light source package includes a substrate; a light-emitting device mounted on the substrate; a red phosphor layer formed adjacent to a surface of the light-emitting device; and an encapsulation layer for encapsulating the light-emitting device and the red phosphor layer, wherein a phosphor of the red phosphor layer is a fluoride-based red phosphor or a sulfide-based red phosphor. The light source package and the display device including the light source package display excellent color reproduction, without discoloration due to moisture after a long period of time.

Abstract: A light emitting device having a high definition, a high aperture ratio and a high reliability is provided. The present invention realizes a high definition and a high aperture ratio for a flat panel display of full colors using luminescent colors of red, green and blue without being dependent upon the film formation method and deposition precision of an organic compound layer by forming the laminated sections 21, 22 by means of intentionally and partially overlapping different organic compound layers of adjacent light emitting elements. Moreover, the protective film 32a containing hydrogen is formed and the drawback in the organic compound layer is terminated with hydrogen, thereby realizing the enhancement of the brightness and the reliability.

Abstract: An electrode layer having high reflectance and a light-emitting element having high emission efficiency are provided. The light-emitting element includes a first electrode layer, a second electrode layer, and an EL layer between the first electrode layer and the second electrode layer. The first electrode layer includes a conductive layer and an oxide layer in contact with the conductive layer. The conductive layer has a function of reflecting light. The oxide layer includes In and M (M represents Al, Si, Ti, Ga, Y, Zr, Sn, La, Ce, Nd, or Hf). A content of the M in the oxide layer is higher than or equal to a content of the In.

Abstract: A method of manufacturing a glass-phosphor composite is disclosed. The method comprises: preparing rare earth ion-containing parent glass; mixing the rare-earth ion-containing parent glass in a power state with a phosphor in a powder state; and providing a glass-phosphor composite using the powder mixture of the rare earth ion-containing parent glass and the phosphor, wherein the mixing includes mixing the rare earth ion-containing parent glass in the powder state with the phosphor in the powder state so that the phosphor in the glass-phosphor composite is in an amount of 5 wt % to 30 wt %, and the preparing includes using a glass frit having a glass transition point of 300° C. to 800° C. and a sintering temperature of 200° C. to 600° C.

Abstract: An electroluminescent (EL) device is disclosed, comprising a nanostructured composite electrode, one or more functional layers and an top electrode. The nanostructured composite electrode is consisting essentially of a first layer having a nanostructure and a second layer disposed on the nanostructure. The first and second layers are transparent and conducting, and one of the refractive-indexes of the first and second layers is lower than or equal to 1.65, and the other of the refractive-indexes of the first and second layers is higher than or equal to 1.75. One or more functional layers including a light emitting layer is disposed on the second layer. The top electrode is disposed on the functional layers. Especially, each of feature pits and each of intervals between the feature pits of the nanostructure of the first layer is smaller than or equal to a major wavelength of light emitted from the light emitting layer.

Abstract: An aromatic amine derivative is represented by the following formula (1). In the formula (1), R1 to R10 each independently represent a hydrogen atom and a substituent. In the formula (1); R1 is represented by the following formula (2); any one of R2 to R5 and R7 to R10 is represented by the following formula (2); and L1 to L3 each independently represent a single bond, a divalent residue of an aryl group, or the like. In the formula (2); Ar1 is a monovalent substituent having a partial structure represented by the following formula (3); X represents an oxygen atom or a sulfur atom; and A and B represent a six-membered ring. In the formula (2), Ar2 is an aryl group, a monovalent substituent having a partial structure represented by the formula (3), and the like.

Abstract: A method for mounting a flexible electronics component to a support structure includes bending the flexible electronics component to be aligned with a curved contour. The curved contour is determined based on a flexibility requirement of a product in which the flexible electronics component is to be integrated and one or more flexibility constraints of the flexible electronics component. The method also includes bending the support structure to be aligned with the curved contour, and adhering the bent flexible electronics component to the bent support structure to produce a flexible electronics assembly.

Abstract: An OLED device comprises a cathode, an anode, and has therebetween a light emitting layer (LEL) comprising a phosphorescent emitting compound disposed in a host comprising a mixture of at least one electron transporting co-host which is a benzophenone derivative with a spiro substituent and at least one hole transporting co-host which is a triphenylamine which contains one trivalent nitrogen atom that is bonded only to carbon atoms, at least one of which is a member of an aromatic ring, wherein there is present an electron transporting layer contiguous to the LEL (HBL?) on the cathode side comprising an anthracene or a fluoranthene and wherein there is present an election injecting layer comprising a phenanthroline or a lithium quinolate contiguous to the cathode.

Abstract: A light-emitting element of the present invention can have sufficiently high emission efficiency with a structure including a host material being able to remain chemically stable even if a phosphorescent compound having higher emission energy is used as a guest material. The relation between the relative emission intensity and the emission time of light emission obtained from the host material and the guest material contained in a light-emitting layer is represented by a multicomponent decay curve. The relative emission intensity of the slowest component of the multicomponent decay curve becomes 1/100 for a short time within a range where the slowest component is not interfered with by quenching of the host material (the emission time of the slowest component is preferably less than or equal to 15 ?sec); thus, sufficiently high emission efficiency can be obtained.

Abstract: According to one embodiment of the present invention, the light emitting device includes an LED element, a side wall which surrounds the LED element, a phosphor layer which is fixed to the side wall with an adhesive layer therebetween, and is positioned above the LED element, and a metal pad as a heat dissipating member. The side wall includes an insulating base which surrounds the LED element and a metal layer which is formed on a side surface at the LED element side of the base, and is in contact with the metal pad and the adhesive layer. The adhesive layer includes a resin layer that includes a resin containing particles which have higher thermal conductivity than the resin or a layer that includes solder.

Abstract: A phosphine oxide-based compound represented by Formula 1, and an organic light-emitting device including the phosphine oxide-based compound. wherein Ar1 through Ar3, and a, b, and c are defined as in the specification.

Abstract: The present invention provides a laser backlight lamp assembly, having a LED light bar and a laser light bar at one side of the LED light bar, and a laser light source of the laser light bar is a green laser light diode; a LED lamp of the LED light bar has a base, a heat sinker installed in the base, a blue light lampwick fixed on the heat sinker and a light housing, and colloid containing fluoride red phosphor is filled inside the base, and the colloid covers the blue light lampwick, and the light housing covers the base and houses the colloid, and the laser light source of the laser light bar and the LED light bar illumine at the same time to be backlight lamps. The present invention further provides a backlight module and a display device.

Abstract: Light-emitting devices comprising an fluorescent emissive layer, and three different phosphorescent emissive layers are described herein.

Abstract: A light emitting device which emits a secondary light with high color purity and has a fast response speed is obtained. A KSF phosphor (15) which absorbs a part of blue light and emits red light and a CASN phosphor (16) are distributed in a resin (14) which seals an LED chip (13) which emits the blue light. The KSF phosphor (15) absorbs the blue light and emits the red light by forbidden transition, and the CASN phosphor (16) absorbs the blue light and emits the red light by allowed transition.

Abstract: Disclosed is a light emitting device, and more particularly are a light emitting device package configured to improve the quality of light and a lighting apparatus using the same. The light emitting device package includes a light emitting device located on a package main body, the light emitting device including a first light emitting device configured to emit light having a first wavelength band and a second light emitting device configured to emit light having a second wavelength band, a lens disposed over the light emitting device, and a wavelength conversion layer disposed over the lens, the wavelength conversion layer serving to absorb light having the first wavelength band or the second wavelength band so as to emit light having a third wavelength band.

Abstract: The present invention relates to compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.

Abstract: An organic light emitting display device including an organic light emitting element disposed on an insulation substrate, and an ambient light reflection preventing unit disposed on the organic light emitting element, the ambient light reflection preventing unit including a first metal layer, a first dielectric layer disposed on the first metal layer, the first metal layer and the first dielectric layer contacting each other, and a photovoltaic unit including the first metal layer as a first electrode.

Abstract: To provide a novel light-emitting device with high productivity, the light-emitting device includes a first light-emitting element, a second light-emitting element, and a third light-emitting element. In the first light-emitting element, a first lower electrode, a first transparent conductive layer, a first light-emitting layer, a second light-emitting layer, and an upper electrode are stacked in this order. In the second light-emitting element, a second lower electrode, a second transparent conductive layer, the first light-emitting layer, the second light-emitting layer, and the upper electrode are stacked in this order. In the third light-emitting element, a third lower electrode, a third transparent conductive layer, the second light-emitting layer, and the upper electrode are stacked in this order. The first transparent conductive layer includes a first region. The second transparent conductive layer includes a second region as thick as the third transparent conductive layer.

Abstract: A method for fabricating a light-emitting device is provided. The method includes: providing a substrate; forming a sacrificial dielectric layer on the substrate, wherein the sacrificial dielectric layer is a structure containing voids; forming a buffer layer on the sacrificial dielectric layer; forming an epitaxial light-emitting structure on the buffer layer; forming a metal bonding layer on the epitaxial light-emitting structure; bonding the metal bonding layer to a thermally conductive substrate; and wet etching the sacrificial dielectric layer for to remove the substrate.

Abstract: Provided is a light-emitting device that has a high emission efficiency, excellent stability and temperature properties, and that generates light having a high color rendering property sufficient for practical use. This semiconductor light-emitting device (1) comprises a semiconductor light-emitting element (2) that emits blue light, a green phosphor (14) that absorbs the blue light and emits green light, and an orange phosphor (13) that absorbs the blue light and emits orange light, and is characterized in that the orange phosphor is an Eu-activated ?-SiAlON phosphor having an emission spectrum peak wavelength within a range of 595 to 620 nm.

Abstract: Provided is a white organic light emitting device which can improve abnormal light emission and efficiency and reliability of the device. A white organic light emitting device according to an exemplary embodiment of the present invention includes: a first light emitting unit including a first emitting layer between a first electrode and a second electrode; a second light emitting unit including a second emitting layer on the first light emitting unit; and a charge generation layer between the first light emitting unit and the second light emitting unit, and a volume of a metal in the charge generation layer is 1.0% or less of the total volume of the charge generation layer.

Abstract: The invention relates to a white emitting light source with an improved luminescent material of the formula (AEN2/3)*b(MN)*c(SiN4/3)*d1CeO3/2*d2EuO*xSiO2*yAlO3/2 wherein AE is an alkaline earth metal chosen of the group of Ca, Mg, Sr and Ba or mixtures thereof and M is a trivalent element chosen of the group of Al, B, Ga, Sc with d1>10*d2. In combination with a UV to blue light generating device this material leads to an improved light quality and stability, especially an improved temperature stability for a wide range of applications.

Abstract: A display device has an NTSC ratio of higher than or equal to 80% and a contrast ratio of higher than or equal to 500 and includes a display portion. In the display portion, pixels are provided at a resolution of greater than or equal to 80 ppi, and the pixels each includes a light-emitting module capable of emitting light with a spectral line half-width of less than or equal to 60 nm in a response time of shorter than or equal to 100 ?s. Further, transient characteristics of the emission intensity of the light-emitting module have a projecting portion higher than other portions in a portion rising in response to an input signal.

Abstract: An organic light-emitting device includes: an anode; a wiring that is disposed side-by-side with and spaced from the anode; a light-emitting layer that is disposed above the anode, and includes an organic light-emitting material; an intermediate layer that is disposed above the light-emitting layer and the wiring; an organic functional layer that is disposed above the intermediate layer, and has an electron injection property or an electron transport property; a cathode that is disposed above the organic functional layer. The intermediate layer includes: a fluoride of a first metal, the first metal being an alkali metal or an alkaline-earth metal; and a second metal that has a property of cleaving a bond between the first metal and fluorine in the fluoride.

Abstract: A device that may be used as a multi-color pixel is provided. The device has a first organic light emitting device, a second organic light emitting device, a third organic light emitting device, and a fourth organic light emitting device. The device may be a pixel of a display having four sub-pixels. The first device may emit red light, the second device may emit green light, the third device may emit light blue light and the fourth device may emit deep blue light.

Abstract: An organic electroluminescence (EL) display panel includes a substrate, a thin film transistor on the substrate, an overcoat layer on the thin film transistor and containing an organic material, a first electrode on the overcoat layer, an organic light emitting layer on the first electrode, a second electrode on the organic light emitting layer, and a barrier layer between the overcoat layer and the first electrode and including a first region formed of a single layer and a second region formed of a multilayer.

Abstract: In one embodiment, an LED lamp has a generally bulb shape. The LEDs are low power types and axe encapsulated in thin, narrow, flexible strips. The LEDs are connected in series in the strips to drop a desired voltage. The strips are affixed to the outer surface of a bulb form to provide structure to the lamp. The strips are connected in parallel to a power supply, which may be housed in the lamp. Since many low power LEDs are used and are spread out over a large surface area, there is no need for a large metal heat sink. Further, the light emission is similar to that of an incandescent bulb. In other embodiment, there is no bulb form and the strips are bendable to have a variety of shapes. In another embodiment, a light sheet is bent to provide 360 degrees of light emission. Many other embodiments are described.