Abstract: A display device includes a display region including a plurality of first regions, and a plurality of second regions arranged with a certain gap between the plurality of first regions, wherein each of the plurality of first regions includes a transistor, a first organic layer, a wiring, a first organic insulating layer on the wiring and the transistor, a display element on the first organic insulating layer, a first sealing layer on the display element and stacked in order with a first inorganic insulating layer, a second organic insulating layer and a second inorganic insulating layer, each of the plurality of second regions includes the wiring, a second organic layer on the wiring, a second sealing layer stacked in order with the first inorganic insulating layer and the second inorganic insulating layer, and a thickness of the second organic layer is smaller than the thickness of the first organic layer.

Abstract: A graphene display device includes a graphene display unit and a display control unit electrically connected with the graphene display unit. The graphene display unit includes a plurality of graphene light emitting structures constituting dynamic sub-pixels of the graphene display unit. The graphene display unit is configured for dividing pixel gamut of multiple base colors of pixels of the graphene display unit. A relationship between the pixel gamut and a pixel gamut coordinate is configured, and the graphene display unit controls the dynamic sub-pixel to display corresponding light in accordance with the pixel gamut coordinate of the inputted pixel. In addition, a display driving method of graphene display devices is disclosed. The graphene display device may accomplish multiple base colors display with fewer pixels such that wider color gamut coverage may be provided, and the aperture rate of the display device is enhanced and the power consumption is reduced.

Abstract: The present specification provides an organic light emitting device.

Abstract: An organic light emitting display panel includes a substrate, an organic light emitting diode disposed on a first side of the substrate, and a first light scattering layer disposed on a second side of the substrate opposite to the first side of the substrate, where the first light scattering layer includes a transparent thin layer including an indium, and a plurality of first micro-lenses is disposed on a plasma-treated side of the first light scattering layer.

Abstract: A thin film transistor (TFT) that includes a control electrode, a semiconductor pattern, a first input electrode, a second input electrode, and an output electrode is disclosed. in one aspect, the semiconductor pattern includes a first input area, a second input area, a channel area, and an output area. The channel area is formed between the first input area and the output area and overlapped with the control electrode to be insulated from the control electrode. The second input area is formed between the first input area and the channel area and doped with a doping concentration different from a doping concentration of the first input areas. The second input electrode makes contact with the second input area and receives a control voltage to control a threshold voltage.

Abstract: Disclosed are molecular and polymeric compounds having desirable properties as semiconducting materials. Such compounds can exhibit desirable electronic properties and possess processing advantages including solution-processability and/or good stability.

Abstract: A display device includes a substrate, a display unit formed on the substrate, a sealing substrate bonded to the substrate by a bonding layer surrounding the display unit, the sealing substrate comprising a complex member and an insulating member, wherein the complex member has a resin matrix and a plurality of carbon fibers and the insulator is connected to an edge of the complex member and comprises a penetration hole, a metal layer disposed at one side of the sealing substrate wherein the one side faces the substrate, and a conductive connection unit filling in the penetration hole and contacting the metal layer. The complex member and the insulator may be coupled by tongue and groovecoupling along a thickness direction of the sealing substrate where the protrusion-groove coupling structure is top-to-bottom symmetric and the insulator may have a thickness identical to that of the complex member.

Abstract: The present disclosure involves a method of packaging a light-emitting diode (LED). According to the method, a group of metal pads and a group of LEDs are provided. The group of LEDs is attached to the group of metal pads, for example through a bonding process. After the LEDs are attached to the metal pads, each LED is spaced apart from adjacent LEDs. Also according to the method, a phosphor film is coated around the group of LEDs collectively. The phosphor film is coated on top and side surfaces of each LED and between adjacent LEDs. A dicing process is then performed to slice through portions of the phosphor film located between adjacent LEDs. The dicing process divides the group of LEDs into a plurality of individual phosphor-coated LEDs.

Abstract: A microlens for an organic EL element includes a cured resin layer having concavities and convexities formed on a surface thereof, wherein when a Fourier-transformed image is obtained by performing two-dimensional fast Fourier transform processing on a concavity and convexity analysis image obtained by analyzing a shape of the concavities and convexities by use of an atomic force microscope, the Fourier-transformed image shows a circular or annular pattern substantially centered at an origin at which an absolute value of wave number is 0 ?m?1, and the circular or annular pattern is present within a region where an absolute value of wave number is within a range of 1 ?m?1 or less. The microlens is disposed on a light-emitting surface of the organic EL element.

Abstract: An organic light-emitting element comprising: an anode; a cathode; banks; a functional layer between the anode and the cathode; and a hole injection layer between the anode and the functional layer. The functional layer includes at least a light-emitting sublayer defined by the banks and that contains an organic material. The hole injection layer comprises tungsten oxide and includes a crystal of the tungsten oxide, whose particle diameter is on an order of nanometers. Tungsten atoms constituting the tungsten oxide include both tungsten atoms with a valence of six and tungsten atoms with a valence less than six. The hole injection layer has a surface facing the functional layer, and a portion of the surface overlapping with the light-emitting sublayer is located closer to the anode than other portions, thereby forming a recessed structure having a recessed portion whose inner surface is in contact with the functional layer.

Abstract: An organic light emitting display device comprises a first substrate, an insulation layer having an inclined structure, a first electrode, a pixel defining layer defining a luminescent region and a non-luminescent region, an organic light emitting structure, a second electrode and a second substrate. Lateral portions of the first electrode, the second electrode and/or the pixel defining layer may have an inclination angle for preventing a total reflection of light generated from the organic light emitting structure, so that the organic light emitting display device may ensure a light efficiency substantially larger than that of the conventional organic light emitting display device by about at least 30 percent.

Abstract: The present teachings relate to new semiconducting polymers. The polymers disclosed herein can exhibit high carrier mobility and/or efficient light absorption/emission characteristics, and can possess certain processing advantages such as solution-processability and/or good stability at ambient conditions.

Abstract: An organic light emitting diode display and a method of manufacturing the same, the display including a substrate; a plurality of thin film transistors on the substrate; a protective film covering the plurality of thin film transistors; a pixel electrode on the protective film; a pixel defining film on the protective film, the pixel defining film having an opening exposing the pixel electrode; an organic emission layer on the pixel electrode and the pixel defining film; and a common electrode covering the organic emission layer, wherein a cross-section of an opening sidewall of the opening in the pixel defining film has a rounded shape.

Abstract: A method of manufacturing a photoelectric conversion element, which is provided with a substrate, a first electrode film having first and second conductive films provided on the substrate, a metal compound film covering the first electrode film, a semiconductor film connected with the metal compound film, a second electrode film connected with the semiconductor film, and an insulating film covering and surrounding the substrate, the first electrode film, the semiconductor film, and the metal compound film, the method including: forming the first conductive film to be connected with the substrate and the second conductive film to be connected with the first electrode film; forming the second conductive film in a predetermined shape using wet etching after the forming of the first and second conductive films, and forming the metal compound film which covers the first electrode film after the forming of the metal compound film.

Abstract: The present teachings provide methods for forming organic layers for an organic light-emitting device (OLED) using an inkjet printing or thermal printing process. The method can further use one or more additional processes, such as vacuum thermal evaporation (VTE), to create an OLED stack. OLED stack structures are also provided wherein at least one of the charge injection or charge transport layers is formed by an inkjet printing or thermal printing method at a high deposition rate. The structure of the organic layer can be amorphous, crystalline, porous, dense, smooth, rough, or a combination thereof, depending on deposition parameters and post-treatment conditions. An OLED microcavity is also provided and can be formed by one of more of the methods.

Abstract: An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, and the emission layer includes at least one light-emitting material represented by one of Formulas 1 and 2. The organic layer further includes at least one hole-transporting material represented by one of Formulas 2(1) and 2(2).

Abstract: An exemplary embodiment of the present invention provides an organic light emitting diode, comprising a substrate, a first electrode, an organic material layer, and a second electrode, wherein a trench comprising a concave part and a convex part is provided on the substrate, the first electrode is provided on the substrate on which the trench is formed by being deposited, and an auxiliary electrode is provided on the first electrode. The organic light emitting diode according to the exemplary embodiment of the present invention may increase surface areas of the first electrode and the auxiliary electrode formed on the substrate, thereby implementing a low resistance electrode. In addition, since a line width of the electrode is not increased, it is possible to prevent a decrease of an opening ratio of the organic light emitting diode.

Abstract: An organic light emitting diode (OLED) display includes a pixel part on a substrate, the pixel part being configured to display an image, a peripheral part at a peripheral area of the pixel part, the peripheral part including a chip on film connection part, and a chip on film connected to the chip on film connection part, the chip on film connection part including a chip on film bonding part, the chip on film being attached to the chip on film bonding part, and an array test part separated from the chip on film bonding part, the array test part being contacted with a probe pin.

Abstract: To provide a device whose life is less likely to be reduced by deterioration of a light-emitting layer material, an EL display device includes: a pixel electrode, for each pixel, above a substrate; auxiliary wiring in a different region, above the substrate, from the pixel electrode; a transition metal oxide layer on the pixel electrode and the auxiliary wiring; a light-emitting layer in a region, above the transition metal oxide layer, corresponding to the pixel; a common electrode continuously above the auxiliary wiring and the light-emitting layer, and electrically connected to the auxiliary wiring; and a material deterioration suppressing layer continuously on a portion of the transition metal oxide layer above the auxiliary wiring and the light-emitting layer, mainly containing barium, and having a thickness equal to or greater than a size of a single barium atom and smaller than 10 nm.

Abstract: A display device including: a substrate; a first semiconductor layer disposed on the substrate; a second semiconductor layer disposed on the substrate and adjacent to the first semiconductor layer; a first insulation layer disposed on both the first semiconductor layer and the second semiconductor layer, the first insulation layer including a first opening forming a space between the first semiconductor layer and the second semiconductor layer; and a second insulation layer disposed on the first insulation layer and that fills the first opening.

Abstract: An organic light emitting diode (OLED) display is provided. The OLED display includes: a substrate; a first electrode on the substrate; a first pixel defining layer exposing at least a portion of the first electrode; a medium layer on the first pixel defining layer and the first electrode, the medium layer including a first region and a second region; a second pixel defining layer overlapping the first pixel defining layer with the first region therebetween; a light emission layer overlapping the first electrode with the first region therebetween; and a second electrode covering the second pixel defining layer and the light emission layer.

Abstract: An organic light emitting diode display includes a p-doped layer that can obtain high efficiency at low-voltage driving and low current and prevent leakage current by differentially forming the p-doped layer for each pixel.

Abstract: An organic light emitting display device includes a first substrate including a pixel area and a non-pixel area; a pixel array formed on the pixel area of the first substrate; a protective layer formed over the pixel array, and having a trench that exposes at least a portion of the non-pixel area; a second substrate disposed above the first substrate; a sealing material disposed between the second substrate and the protective layer at the outside of the trench; and a getter disposed between the second substrate and the first substrate exposed by the trench. Moisture and/or oxygen penetrated through the sealing material and the protective layer, which are disposed at a side of the organic light emitting display device, are absorbed into the getter, thereby improving the lifespan of the organic light emitting display device.

Abstract: The inventive concept provides light emitting devices and methods of manufacturing a light emitting device. The light emitting device may include a transparent substrate including a first region and a second region, a first transparent electrode disposed on a first surface of the transparent substrate, a second transparent electrode facing and spaced apart from the first transparent electrode, an organic light emitting layer disposed between the first and second transparent electrodes, an assistant electrode disposed between the first and second transparent electrodes and selectively masking the second region, and a light path changing structure disposed on a second surface of the transparent substrate and selectively masking the second region.

Abstract: An organic light emitting diode (OLED) emitting light downward through a transparent substrate. The OLED embeds a microcavity formed between a cathode and an anode and includes a plurality of organic layers including a light emitting layer. The plurality of organic layers include at least a first layer made of an organic doped material aimed at enhancing the transport of electrons; and at least a second layer made of an organic doped material aimed at enhancing the transport of holes. The anode is obtained by deposition of a semitransparent layer of silver (Ag) over the transparent substrate to be directly in contact with the first doped organic layer. Then, thicknesses of the first and second doped organic layers can be freely adapted to best adjust the optical characteristics of the microcavity for the wavelength of monochromatic light to be produced by the OLED.

Abstract: To provide a highly efficient organic light-emitting element. An extremely thin layer (a monomolecular film or the like) containing an organic light-emitting material such as an iridium complex is provided between a layer of an n-type organic material (an organic material having a high electron-transport property) and a layer of a p-type organic material (an organic material having a high hole-transport property). In a structure described above, in a layer of the organic light-emitting material, electrons are injected from the LUMO of the n-type organic material to the LUMO of the organic light-emitting material, and holes are injected from the HOMO of the p-type organic material to the HOMO of the organic light-emitting material, whereby the organic light-emitting material is brought into an excited state and emits light.

Abstract: A transparent organic light emitting display device having a uniform transmittance of external light and having uniformly formed transmissive windows in pixels. The device includes a substrate; pixels formed on the substrate, each of the pixels comprising: at least one light emitting region for emitting light; at least one transmissive region for transmitting external light; and at least one circuit region comprising a pixel circuit unit; an insulating layer covering the pixel circuit unit; pixel electrodes formed on the insulating layer in the light emitting region and the transmissive region of each pixel, and electrically connected to the pixel circuit unit; an organic layer formed on the pixel electrodes; and a facing electrode formed on the organic layer, integrally formed over all of the pixels, and having transmissive windows, wherein each of the transmissive windows corresponds to the transmissive region of each of the pixels.

Abstract: A thin film transistor (TFT) and an organic light emitting display device having the same are disclosed. In one embodiment, a TFT includes a gate electrode formed on a substrate. A gate insulating layer is formed on the substrate having the gate electrode. An active layer is formed on the gate insulating layer. A source electrode is formed over the active layer. A drain electrode is formed to substantially surround at least three surfaces of the source electrode on the active layer.

Abstract: Disclosed is a production method for an organic electroluminescent element that is provided with a substrate, an organic laminate with an organic light emitting layer that was formed by a method involving a wet process, and a pair of electrodes, wherein the method produces an organic electroluminescent element with high luminous efficiency, low driving voltage, and a minimal rise in voltage when continuously driven, by applying the coating liquid for said organic light emitting layer, and thereafter, in a drying process, heating the substrate while applying tension in a manner such that a stress that is less than the yield stress is applied to the substrate.

Abstract: An organic electro-luminescence device capable of reducing a resistance of a cathode electrode to enhance brightness uniformity at each location within the device is described. The organic electro-luminescence device includes a bank layer formed over a substrate, the bank layer including a first, second, and third portion. A first electrode is formed between the first and second portions of the bank layer. An auxiliary electrode is formed where at least a part of the auxiliary electrode is formed between the second and third portions of the bank layer. A voltage drop prevention pattern is formed on the auxiliary electrode. An organic material layer formed between the first and second portions of the bank layer. A second electrode formed on the organic material layer, where at least a portion of the second electrode is electrically coupled to the auxiliary electrode.

Abstract: The invention provides an OLED device with improved light out-coupling comprising an electroluminescent layer stack (2) on top of a substrate (1), where the electroluminescent layer stack (2) comprises an organic light-emitting layer stack (6) with one or more organic layers sandwiched between a first electrode (3) facing towards the substrate (1) and a second electrode (7) to apply a driving voltage to the organic light-emitting layer stack (6), and a first electron transport layer stack (4a) arranged between the organic light emitting layers stack (6) and the second electrode (7), wherein the electron transport layer stack (4a) comprises an electron transport layer (41) made of a first electron transport material having a low refractive index and at least one n-doped layer (40, 42). The invention further relates to a method to manufacture these OLED devices.

Abstract: A getter composition including a moisture absorbing material and a binder having a volatility of 400 ppm or less when heated to a temperature in the range of 60° C. to 120° C. for 2 hours and an organic light emitting diode device including the getter composition.

Abstract: Light-emitting devices are described herein.

Abstract: An organic light-emitting display apparatus including a substrate; a black matrix layer formed over the substrate; an insulating layer formed over the black matrix layer; a thin film transistor (TFT) formed over the insulating layer; a pixel electrode connected to the TFT; and an organic layer formed over the pixel electrode. At least one hole is formed in at least one of the black matrix layer and the insulating layer, in a region where the black matrix layer and the insulating layer overlap each other.

Abstract: A light emitting device is provided which can prevent a change in gate voltage due to leakage or other causes and at the same time can prevent the aperture ratio from lowering. A capacitor storage is formed from a connection wiring line, an insulating film, and a capacitance wiring line. The connection wiring line is formed over a gate electrode and an active layer of a TFT of a pixel, and is connected to the active layer. The insulating film is formed on the connection wiring line. The capacitance wiring line is formed on the insulating film. This structure enables the capacitor storage to overlap the TFT, thereby increasing the capacity of the capacitor storage while keeping the aperture ratio from lowering. Accordingly, a change in gate voltage due to leakage or other causes can be avoided to prevent a change in luminance of an OLED and flickering of screen in analog driving.

Abstract: There is provided a semiconductor light emitting device including: a light transmissive substrate; a light emitting part; first and second electrodes electrically connected to the first and second conductivity type semiconductor layers, respectively; and a rear reflective part including a reflective metallic layer, and a light transmissive dielectric layer interposed between the light transmissive substrate and the reflective metallic layer.

Abstract: An organic EL device includes an organic EL emitter that emits blue light and a blue color filter through which the light emitted from the organic EL emitter passes. The blue color filter contains a coloring material selected from the group consisting of a methine dye, a copper-phthalocyanine pigment, and a mixture of a copper-phthalocyanine pigment and a dioxazine pigment. The chromaticity of the light, the light that has passed through the blue color filter after emitted from the organic EL emitter, is in the range defined by lines connecting three chromaticity coordinates (0.140, 0.080), (0.136, 0.040), and (0.118, 0.070) on the CIE chromaticity diagram.

Abstract: An organic EL display device (10) includes: an insulating substrate (20); a first planarizing film (21) formed on the insulating substrate (20) and made of a resin; a first electrode (13) formed on the first planarizing film (21); an organic EL layer (17) formed on the first electrode (13); a second electrode (14) formed on the organic EL layer (17); and a second planarizing film (22) formed between the first electrode (13) and the first planarizing film (21), and covering the first planarizing film (21). The second planarizing film (22) is made of a resin having a lower hygroscopic property than the resin forming the first planarizing film (21).

Abstract: A biscarbazole derivative of the invention is represented by a formula (1A) or (1B) below. In the formula (1A) or (1B): A1 represents a substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; A2 represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms, or substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; X1 and X2 each are a linking group; Y1 to Y4 each represent a substituent; p and q represent an integer of 1 to 4; and r and s represent an integer of 1 to 3.

Abstract: By introducing new concepts into a structure of a conventional organic semiconductor element and without using a conventional ultra thin film, an organic semiconductor element is provided which is more reliable and has higher yield. Further, efficiency is improved particularly in a photoelectronic device using an organic semiconductor. Between an anode and a cathode, there is provided an organic structure including alternately laminated organic thin film layer (functional organic thin film layer) realizing various functions by making an SCLC flow, and a conductive thin film layer (ohmic conductive thin film layer) imbued with a dark conductivity by doping it with an acceptor and a donor, or by the like method.

Abstract: An organic light emitting diode display includes a substrate; a first capacitor electrode provided over the substrate and including polysilicon; an insulating layer provided over the first capacitor electrode; and a second capacitor electrode provided over the insulating layer and including a first lower metal layer overlapping with the first capacitor electrode and a first upper metal layer. The first upper metal layer includes a doping opening configured to expose at least a portion of the first lower metal layer.

Abstract: An organic electro-luminescent display device includes a substrate, a pixel electrode on the substrate, and a pixel define layer covering edges of the pixel electrode and having an opening to expose the pixel electrode, a surface of the pixel define layer facing the opening being bent at a predetermined curvature.

Abstract: An organic light emitting display device and method of manufacturing the same are provided. The organic light emitting display device includes: a thin film transistor (TFT) comprising an active layer, a gate electrode, a source electrode, and a drain electrode; an organic light emitting device including a pixel electrode electrically connected to the TFT and formed of the same material and on a same layer as the gate electrode, an emission layer, and an opposing electrode; and a pad electrode formed of the same material and on same layer as the gate electrode. The pad electrode has openings formed therein.

Abstract: An organic electro-luminescence device capable of reducing a resistance of a cathode electrode to enhance brightness uniformity at each location within the device is described. The organic electro-luminescence device includes a bank layer formed over a substrate, the bank layer including a first, second, and third portion. A first electrode is formed between the first and second portions of the bank layer. An auxiliary electrode is formed where at least a part of the auxiliary electrode is formed between the second and third portions of the bank layer. A voltage drop prevention pattern is formed on the auxiliary electrode. An organic material layer formed between the first and second portions of the bank layer. A second electrode formed on the organic material layer, where at least a portion of the second electrode is electrically coupled to the auxiliary electrode.

Abstract: An organic electroluminescence device includes a first electrode, a second electrode located on a light extraction side and having a metal film, and an organic compound layer provided between the first electrode and the second electrode and including an emission layer. In addition, a first inorganic protective layer is in direct contact with the second electrode and has a specified thickness.

Abstract: An object of the invention is to provide an organic electroluminescence (EL) element formed using a relatively stable new electron injection material in an atmosphere of approximately ordinary pressure. An organic EL element of a preferable embodiment is an organic EL element including a supporting substrate, an anode, a light-emitting layer, an electron injection layer, and a cathode in this order, in which the electron injection layer is formed by applying an ink including an ionic polymer so as to form a film, and the cathode is formed by applying an ink including a material which forms the cathode so as to form a film or transferring a conductive thin film which forms the cathode.

Abstract: A method for producing an OLED illuminating device includes steps of: (a) forming metal lines and power transmission lines on a substrate; (b) forming a patterned insulating layer to cover the metal lines and the power transmission lines; (c) forming a patterned first electrode layer on the insulating layer; (d) forming an organic light-emitting membrane structure on the first electrode layer; (e) forming a second electrode layer on the organic light-emitting membrane structure so that a plurality of luminescent pixels are formed; and (f) when one of the luminescent pixels is defective, cutting one of the power transmission lines that is connected to the defective one of the luminescent pixels using an energy beam.

Abstract: The present invention relates to a novel compound and an organic light emitting device using the compound, and the compound according to the present invention may largely improve a life span, efficiency, electrochemical stability and thermal stability of the organic light emitting device.

Abstract: A method is provided for fabricating an organic light emitting device (OLED) with a spherical back mirror. The method forms a spherical curvature in the substrate and deposits a metal film overlying the spherical curvature, forming a spherical back mirror. A transparent isolation layer is formed overlying the spherical back mirror having a planar top surface. A transparent first electrode layer is formed overlying the isolation layer, and a transparent second electrode layer is formed overlying the first electrode layer. A stack is interposed between the first and second electrode layers. The stack is made up of an electron transport layer adjacent the cathode, a light-emitting (electron injection) layer adjacent to the electron transport layer, a hole transport layer adjacent to the light-emitting layer, and a hole injection layer adjacent to the hole transport layer. The order of the stack layering is dependent which electrode is the anode.

Abstract: In an organic electroluminescent element, light extraction efficiency is enhanced. An organic electroluminescent element 1 is configured by laminating a substrate 2, a first electrode 3, an organic layer 4, and a second electrode 5 in this order. The organic layer 4 includes an emitting layer 43, and the emitting layer 43 is formed by mixing porous particles 45 into an emitting material 44.