Abstract: An electroluminescent (EL) device is disclosed, comprising a high-index layer, having a first refractive index more than 1.8; a first electrode, which is transparent and disposed adjacent to the high-index layer; one or more functional layers, disposed adjacent to the first electrode and opposite to the high-index layer, including a light emitting layer; and, a second electrode, disposed adjacent to the one or more functional layers and opposite to the first electrode; wherein the first electrode has a second refractive index less than 1.7.

Abstract: An electroluminescent device is provided. The electroluminescent device includes a substrate or superstrate, an optical out-coupling structure, a first electrode, a functional stack, and a second electrode. The substrate has an outer surface and an opposite inner surface. The optical out-coupling structure situates on the outer surface. The first electrode is disposed on the inner surface. The first electrode is transparent and has a refractive index equal to or less than 1.7. The functional stack is disposed on the first electrode and includes a light emitting layer. The light emitting layer contains an emitting material having preferential horizontal emitting dipoles with a horizontal dipole ratio being equal to or larger than 70%. The second electrode is disposed on the functional stack.

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 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 electroluminescent (EL) device is disclosed. An optically reflective concave structure includes a first surface and a second surface that lies at an angle relative to the first surface, wherein at least the first and second surfaces are optically reflective. One or more functional layers include a light emitting layer, disposed over the surfaces of the optically reflective concave structure, wherein at least one electroluminescent area of the light emitting layer is defined on the first surface. Especially, the ratio between the width of the first surface and the thickness of the one or more functional layers in the optically reflective concave structure is smaller than a constant value.

Abstract: A PEDOT:PSS based layer stack and forming method are disclosed. The layer stack is with nanofibrillar and nanoporous structure, having PEDOT-richer surface. Additionally, applications of the layer stack are also disclosed.

Abstract: An electroluminescent (EL) device is disclosed, comprising a first electrode, a second electrode, one or more functional layers, and a conducting layer. The first electrode is transparent and with a high refractive index nH more than 1.75. The one or more functional layers include a light emitting layer. The conducting layer has a low refractive index nL less than 1.65, being disposed between the first electrode and the one or more functional layers. By judicious combination of the first electrode and conducting layer to induce appropriate microcavity effects, increased coupling efficiencies of EL device could be then obtained.

Abstract: The present disclosure relates to methods and systems for synthesis of bridged-hydropentacene, hydroanthracene and hydrotetracene from the precursor compounds pentacene derivatives, tetracene derivatives, and anthracene derivatives. The invention further relates to methods and systems for forming thin films for use in electrically conductive assemblies, such as semiconductors or photovoltaic devices.

Abstract: A barrier film for blocking moisture and oxygen transmission includes a single layer grown from a precursor of organic silicide by a chemical vapor deposition, having at least silicon (Si) atoms, oxygen (O) atoms and carbon (C) atoms with atomic ratios of C/Si in a range of about 0.1-0.5, and O/Si in a range of about 2.0-2.5. The Si and O atoms form four bonding structures: Si(—O)4, Si(—O)3, Si(—O)2, and Si(—O)1, in the single layer. In the total amount of the four bonding structures being 100%, the bonding structures of Si(—O)4, Si(—O)3, Si(—O)2, and Si(—O)1 are in ranges of about 50%-99.9%, 0.01%-50%, 0%-10%, and 0%-10%, respectively.

Abstract: One embodiment relates to a computer-implemented process of content fingerprinting. A context and a content for fingerprinting are received. The context comprises a set of context components for use in generation of content fingerprints. The content includes instances of at least some of the context components. The content is processed to generate context offset sequences, and a fingerprint for the content is formed from at least a portion of the context offset sequences. Another embodiment relates to a computer-implemented process for comparing a target content against a pool of contents. The process includes constructing an automata data structure based on the fingerprints in the pool. Context offset sequences of a target fingerprint are scanned against the automata data structure to determine matched offset subsequences. Other embodiments, aspects and features are also disclosed.

Abstract: The present disclosure relates to methods and systems for synthesis of bridged-hydropentacene, hydroanthracene and hydrotetracene from the precursor compounds pentacene derivatives, tetracene derivatives, and anthracene derivatives. The invention further relates to methods and systems for forming thin films for use in electrically conductive assemblies, such as semiconductors or photovoltaic devices.

Abstract: The present disclosure relates to methods and systems for synthesis of bridged-hydropentacene, hydroanthracene and hydrotetracene from the precursor compounds pentacene derivatives, tetracene derivatives, and anthracene derivatives. The invention further relates to are methods and systems for forming thin films for use in electrically conductive assemblies, such as semiconductors or photovoltaic devices.

Abstract: The present invention discloses organometallic complexes with transition metal elements and their application in fabrication of a variety of light-emitting devices. The mentioned organometallic complexes can serve as emitting material or dopant for blue phosphorescent organic light-emitting devices with excellent performance. The mentioned organometallic complexes have a general formula as the following: Wherein M represents a transition metal element, and Q1 and Q2 respectively represent an atomic group forming a nitrogen-containing heterocyclic ring as a five member ring, a six member ring, or a seven member ring.

Abstract: The present invention discloses synthesis of 2,2?-disubstituted 9,9?-spirobifluorene-based triaryldiamine. First, 2,2?-diamino-9,9?-spirobifluorene, a Pd-catalyst as auxiliary and aryl halide BX are provided, wherein X is selected from the group consisting of: Cl, Br and I, B comprises one of the following group: aryl moiety, hetero cycle, multiple fused ring, multiple fused ring with hetero atom(s). Next, a substitution reaction is performed to react the 2,2?-diamino-9,9?-spirobifluorene with the aryl halide BX to produce the 2,2?-disubstituted 9,9?-spirobifluorene-based triaryldiamines. In addition, the present invention discloses organic light emitting devices comprising hole transporting material comprising 2,2?-bis(N,N-disubstituted amino)-9,9?-spirobifluorenes.

Abstract: Methods for synthesizing 1,4-(ketone or ketal) bridged and/or 5,14-(ketone or ketal) bridged hydropentacenes useful as soluble precursors for formation of pentacene or substituted (e.g., halo) pentacenes; precursor compounds formed thereby; methods for preparing form the precursor compounds conductive thin films comprising pentacene or a substituted pentacene, and articles including such thin films are described. Also described are tetracene and anthracene derivatives which should also be useful in the formation of conductive thin films, among other uses.

Abstract: This invention is an electricity generating organic light-emitting display device (OLED) consisting of vertically stacked layers including an organic light emitting device (OLED), an insulation layer, a solar cell and thin film transistors. The device can reduce the reflection of ambient light, improve the contrast of the signal, and enhance sun-light readability by allowing the ambient light to be absorbed by the solar cells. Furthermore, additional power will be generated by the solar cell through absorption of ambient light and backward emission of OLEDs. The device, without using the polarizer, can exhibit low reflectance characteristics over the visible region and high display contrast.

Abstract: Fabrication of organic light-emitting devices is disclosed by employing the efficient, multifunctional orange-red emitting osmium complex in combination with a second phosphorescent complex showing strong emission at the shorter wavelength region such as blue or blue-green emitting iridium (Ir) complex. The present invention provides WOLEDs with forward viewing efficiencies up to (17% photon/electron, 35.6 cd/A, 28 lm/W) and total peak external efficiencies up to (28.8%, 47.5 lm/W), giving the conceptual design for the highly efficient and color-stable phosphorescent WOLEDs.

Abstract: Systems for displaying images. A representative system incorporates an electroluminescent diode that comprises a substrate, an anode formed on the substrate, electroluminescent layers formed on the anode, a cathode formed on the electroluminescent layers, and a wavelength narrowing mirror structure formed directly on the cathode. Particularly, the wavelength narrowing mirror structure comprises a plurality of metal layers, and two adjacent metal layers separated by a dielectric layer.

Abstract: The present invention discloses organometallic complexes with transition metal elements and their application in fabrication of a variety of light-emitting devices. The mentioned organometallic complexes can serve as emitting material or dopant for blue phosphorescent organic light-emitting devices with excellent performance. The mentioned organometallic complexes have a general formula as the following: Wherein M represents a transition metal element, and Q1 and Q2 respectively represent an atomic group forming a nitrogen-containing heterocyclic ring as a five member ring, a six member ring, or a seven member ring.

Abstract: An organic light emitting diode is provided. The organic light emitting diode includes a substrate, an anode electrode structure formed on the substrate and including at least a metal layer and a metal oxide layer, an organic layer formed on the anode electrode structure and a cathode electrode structure formed on the organic layer.