Entries |
Document | Title | Date |
20080199726 | Electroluminescent Device - Disclosed are electroluminescent devices that comprise organic layers that contain triazine, or pyrimidine compounds. The compounds are suitable components of, for example, blueemitting, durable, organo-electroluminescent layers. The electroluminescent devices may be employed for full color display panels in, for example, mobile phones, televisions and personal computer screens. | 08-21-2008 |
20080199727 | Buffer Layer - Electroluminescent devices with an improved buffer layer on the anode, wherein the buffer material is selected from metal tetra-p-tolyl porphonato complexes, and bianthryl compounds of Formula (I) or (II). | 08-21-2008 |
20080199728 | DEEP RED PHOSPHOR AND METHOD OF MANUFACTURING THE SAME - Disclosed is a deep red phosphor (600 nm to 670 nm) of Mn activity having a chemical formula of (k-x)MgOxAF | 08-21-2008 |
20080199729 | Phosphor for plasma display panel and plasma display panel using the same - Provided are a phosphor used in a PDP, which is a compound represented by Formula 1 below and a PDP including a phosphor layer comprising the phosphor. | 08-21-2008 |
20080206596 | Red phosphors with High Luminus Efficiency and Display Device Containing Them - The present invention relates to a novel red organic electrophosphorescent compound and a display device comprising the same. The phosphor compounds according to the present invention provide red phosphor compounds exhibiting more pure red color than conventional red phosphors and red phosphors having a light emitting property of high efficiency even in a low doping concentration, as well as the property of pure red color mentioned above. | 08-28-2008 |
20080206597 | AZAAROMATIC COMPOUNDS HAVING AZAFLUORANTHENE SKELETONS AND ORGANIC ELECTROLUMINESCENT DEVICES MADE BY USING THE SAME - The invention aims at providing a novel azaaromatic compound having an azafluoranthene skeleton which is useful as the constituent of organic EL devices and at realizing a long lifetime, high-efficiency and practical organic EL device by using the compound in at least one of the organic compound layers. The invention provides azaaromatic compounds having azafluoranthene skeletons as represented by the general formula (1): wherein R | 08-28-2008 |
20080206598 | Light-emitting element using spirofluorene derivative and electronic appliance - It is an object to provide a light-emitting element with high luminous efficiency by using a hole transporting substance with a sufficiently high T | 08-28-2008 |
20080213620 | ORGANIC LIGHT-EMITTING DEVICE INCLUDING FLUORINE-CONTAINING COMPOUND AND CARBON-BASED COMPOUND - An organic light-emitting device includes a substrate; a first electrode disposed on the substrate; a hole transport layer disposed on the first electrode; an emitting layer disposed on the hole transport layer; and a second electrode disposed on the emitting layer, wherein an organic layer is interposed between the first electrode and the hole transport layer, the organic layer including at least one fluorine-containing compound selected from the group consisting of a fluorine-substituted phthalocyanine derivative, an aliphatic fluorocarbon compound represented by C | 09-04-2008 |
20080213621 | Method of Forming Organic Compound Layer, Method of Manufacturing Organic El Element and Organic El Element - A method of forming an organic compound layer for producing organic EL element exhibiting high quality and high productivity without increasing cost; a relevant process for producing an organic EL element. There is provided a method of forming an organic compound layer of organic EL element using production apparatus including supply section, coating•drying section and recovery section, characterized in that flexible band substrate (A) having an anode layer in roll form is fed to the supply section; the production apparatus has at least one unit coating•drying section, the unit containing coating section capable of forming coating film for formation of organic compound later under atmospheric pressure by wet applicator and drying section; and at least one organic compound layer is formed on the anode layer to obtain flexible band substrate (B), which is wound on a core to form a roll in the recovery section. | 09-04-2008 |
20080213622 | Organic electroluminescence element - Provided is an organic EL element in which an anode, a hole injection layer, a hole transport layer, an emissive layer, an electron transport layer, an electron injection layer, and a cathode are stacked up on top of a substrate. Into at least one of the organic layer—the hole injection layer and the hole transport layer, an organic material different from the organic material constituting the corresponding one of the organic layers is doped. The doped organic material contributes to the formation of an impurity level to trap the holes. Consequently, the mobility of the holes can be lowered. | 09-04-2008 |
20080220284 | Fluorescent Substance and Plasma Display Panel - A fluorescent substance comprising a plurality of particles of Zn | 09-11-2008 |
20080220285 | Novel Materials for Organic Electroluminescent Devices - The present invention relates to the improvement of organic electroluminescent devices, in particular blue-emitting devices, by using compounds of the formula (1) as dopants in the emitting layer. | 09-11-2008 |
20080220286 | Dinaphthyl ethylene derivativce, process for preparing it, film prepared from it, and OLED including the film - The present invention relates to a dinaphthyl ethylene derivative of formula (I), a process for preparing it, a film prepared from it useful in the manufacure of an organic light emitting device (OLED), an OLED including the film, and the use of the dinaphthyl ethylene derivative in the manufacture of an OLED. | 09-11-2008 |
20080220287 | White Organic Illuminating Diodes (Oleds) Based on Exciplex Double Blue Fluorescent Compounds - The invention relates to an organic white light-emitting diode comprising at least one blue light-emitting fluoranthene derivative of the general formula I as component A | 09-11-2008 |
20080220288 | Light-Emitting Device, And Method For The Manufacture Thereof - A light-emitting device comprising an anode; a cathode; a light-emitting layer arranged between said anode and said cathode; and a buffer layer, comprising a conducting polymer and a polymeric acid, arranged between said anode and said light-emitting layer, is disclosed. Acidic groups of said polymeric acid have been converted to non-acidic groups in at least a part of said buffer layer, which minimises acid quenching of photoluminescence. A method for manufacturing such a device is also disclosed. | 09-11-2008 |
20080226939 | Protection Film and Organic El Device - The disclosed is a protection film to be formed on a thin film device formed on a substrate, which is characterized by having a hydrogen content of not less than 30 at %. It is possible to provide a protection film of high reliability and with a thick film thickness as the protection film for the devices such as the organic EL device. | 09-18-2008 |
20080226940 | DIBENZO[C,G]TRIPHENYLENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - The present invention relates to a dibenzo[c,g]triphenylene derivative, a material for an organic EL device comprising the same, a light emitting material for an organic EL device, a light emitting organic solution, an organic EL device in which an organic compound layer comprising a single layer or plural layers including at least a light emitting layer is interposed between a pair of electrodes, wherein at least one layer in the organic compound layer described above contains at least one kind of the dibenzo[c,g]triphenylene derivative described above and an equipment comprising the same. The present invention provides a novel compound which is useful as a constitutional component for an organic EL device, and a practical organic EL device which is excellent in a color purity and reduced in an operating voltage and which has a small leaked electric current is materialized by using the above compound. | 09-18-2008 |
20080226941 | Solvent Mixtures For Organic Semiconductors - The present invention relates to solutions of at least one organic semiconductor in at least one organic solvent with at least one aliphatic or cycloaliphatic alkene, and to the use thereof for the production of layers of organic semiconductors on substrates, in particular for the electronics industry. | 09-18-2008 |
20080226942 | Method of Manufacturing Organic Electroluminescence Element and Manaufacturing Apparatus - An objective is to provide a method of manufacturing an organic electroluminescence element possessing a thin film exhibiting relatively low film-strength formed via a continuous wet coating process. Disclosed is a method of manufacturing an organic electroluminescence element possessing a substrate film and provided thereon at least an organic layer placed between a pair of facing electrodes, possessing a light emitting layer containing an organic light emission material; possessing the steps of forming the organic layer on a first electrode provided on the substrate film by a continuous wet coating method; and cutting the substrate film with an upper cutting blade and a lower cutting blade, wherein the lower blade faces the substrate film, the upper blade has a blade edge angle of 30-60°, and the lower blade has a blade edge angle of 80-90 °. | 09-18-2008 |
20080233429 | Polymer Compound and Polymer Light-Emitting Device Using the Same - A polymer compound comprising a repeating unit of the following formula (1) and which is useful as a light emitting material or charge transporting material and excellent in heat resistance, fluorescent intensity and the like: | 09-25-2008 |
20080233430 | LIGHT-EMITTING DEVICE AND AROMATIC COMPOUND -
A light-emitting device comprising a pair of electrodes and a light-emitting layer or a plurality of organic layers comprising a light-emitting layer disposed therebetween, the light-emitting layer or at least one of a plurality of organic layers comprising the light-emitting layer comprising at least one compound represented by the following general formula (1): wherein each of Ar | 09-25-2008 |
20080233431 | Organic electroluminescent element, illuminator and display - An organic electroluminescent element comprising an anode and a cathode having therebetween an emission layer containing a phosphorescent compound and an layer adjacent to the emission layer, the layer adjacent to the emission layer being provided between the emission layer and the cathode, wherein the layer adjacent to the emission layer comprises a compound having an electron withdrawing group; and the compound exhibits a HOMO level of −5.7 to −7.0 eV and a LUMO level of −1.3 to −2.3 eV. | 09-25-2008 |
20080241586 | Light Emitting Element and Light Emitting Device Using the Same - An object of the prevent invention is to provide a light emitting element having slight increase in driving voltage with accumulation of light emitting time. Another object of the invention is to provide a light emitting element having slight increase in resistance with increase in film thickness. In an aspect of the invention, a light emitting element includes first, second and layers between mutually-facing first and second electrodes. The first layer is provided to be closer to the first electrode than the second layer. The third layer is provided to be closer to the second electrode than the second layer. The first layer contains a bipolar substance and a substance exhibiting an electron accepting ability with respect to the bipolar substance. The second layer contains a bipolar substance and a substance exhibiting an electron donating ability with respect to the bipolar substance. The third layer contains a light emitting substance. | 10-02-2008 |
20080241587 | Film-Forming Apparatus And Film-Forming Method - For increasing the film-forming rate and enabling uniform film formation and waste elimination of raw material, a film-forming method and a film-forming apparatus can reach an evaporated film-forming material to a surface of a substrate by the flow of a transport gas so as to control the film-forming conditions by the flow of the gas. Thereby a uniform thin film can be deposited on the large-area substrate. That is, by directing the evaporated raw material toward the substrate, it is possible to increase the film-forming rate and achieve uniform film formation. | 10-02-2008 |
20080241588 | ORGANIC ELECTROLUMINESCENCE DEVICE AND DISPLAY - In an organic electroluminescence device including a cathode and an anode, at least an emitting layer and an electron transporting layer are provided between the cathode and the anode. The emitting layer contains a host material formed of a naphthacene derivative represented by the following formula (1) and a dopant material formed of a diketopyrolopyrrol derivative represented by the following formula (2). The electron transporting layer is preferably a benzoimidazole derivative. | 10-02-2008 |
20080241589 | ORGANIC ELECTROLUMINESCENT DEVICE - An organic electroluminescent device is provided and includes: a pair of electrodes; and an organic compound layer between the pair of electrodes, the organic compound layer including a light-emitting layer. The at least one organic compound layer contains at least one of a compound represent by formula (I) and a compound represented by formula (II). | 10-02-2008 |
20080241590 | METHOD OF COATING SULFIDE PHOSPHOR AND LIGHT EMITTING DEVICE EMPLOYING COATED SULFIDE PHOSPHOR - A method of coating phosphor powder with a composite oxide, and a light emitting device that employs the phosphor powder coated with the composite oxide are disclosed. The method includes mixing a silicon oxide precursor and a precursor of another oxide in water and alcohol to form a primary coating layer on a sulfide phosphor through a sol-gel reaction, heat treating the primary coating layer to form a composite oxide layer of the silicon oxide and the other oxide from the primary coating layer. The method improves moisture stability of the sulfide phosphor compared to a sulfide phosphor coated with a single silicon oxide film. | 10-02-2008 |
20080241591 | ORGANIC ELECTROLUMINESCENCE DEVICE AND PHENYLENEDIAMINE DERIVATIVE - The invention is to provide an organic EL device having a long life time that can reduce the driving voltage of the organic EL device, and to provide a material having a small ionization potential and exhibiting a large hole mobility by using as a layer or a zone. The organic electroluminescence device comprises a pair of electrodes and an organic light emitting layer sandwiched in the electrodes, characterized in that a hole transporting zone provided between the electrodes comprises the phenylenediamine derivative represented by the specific structural formulae, and the phenylenediamine derivative has a hole mobility of 10 | 10-02-2008 |
20080254318 | Carbazole Derivative, and Light-Emitting Element and Light-Emitting Device Using the Carbzole Derivative - The present invention provides a material having excellent hole injecting and hole transporting properties. Moreover, the present invention provides a light-emitting element and a light-emitting device using the material having excellent hole injecting and hole transporting properties. The present invention provides a carbazole derivative represented by the general formula (1). By applying the carbazole derivative of the present invention to a light-emitting element or a light-emitting device, a lower driving voltage, enhanced emission efficiency, a longer lifetime and enhanced reliability of the light-emitting element or the light-emitting device can be realized. | 10-16-2008 |
20080261075 | Light Emitting Element, Light Emitting Device, and Electronic Device - The present invention provides a light emitting element which includes an electron transporting layer and a hole transporting layer between an anode and a cathode, and a first layer and a second layer between the electron transporting layer and the hole transporting layer, wherein the first layer includes a first organic compound and an organic compound having a hole transporting property, the second layer includes a second organic compound and an organic compound having an electron transporting property, the first layer is formed in contact with the anode side of the second layer, the first organic compound and the second organic compound are the same compound, and at least one of either the organic compound having a hole transporting property and the organic compound having an electron transporting property is a high molecular compound. | 10-23-2008 |
20080261076 | PHOSPHORESCENT MATERIALS - Phosphorescent materials and devices with high device efficiency, stability, and processibility. | 10-23-2008 |
20080268282 | WHITE LIGHT TANDEM OLED - A tandem white light-emitting OLED device is disclosed comprising a spaced anode and cathode, a light reflector associated with either the anode or the cathode, and at least two white light emitting units. The first white light-emitting unit has a set of at least two emission peaks in the blue and yellow spectral regions that are more intense than any other emission peaks that may be present in the emission spectrum of the first white light-emitting unit. The second white light-emitting unit is disposed closer to the reflector than the first white light-emitting unit and includes a set of at least three emission peaks in the blue, green, and red spectral regions that are more intense than any other emission peaks that may be present in the emission spectrum of the second white light-emitting unit. An intermediate connector is disposed between the first and second white light-emitting units. | 10-30-2008 |
20080268283 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE EMPLOYING THE SAME - A specified aromatic amine derivative having a chrysene structure. An organic electroluminescence device which comprises at least one organic thin film layer comprising a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein at least one of the organic thin film layer comprises the aromatic amine derivative singly or as its mixture component. Organic electroluminescence devices having a long lifetime and a high efficiency of light emission, and aromatic amine derivatives capable of realizing such organic electroluminescence devices are provided. | 10-30-2008 |
20080280161 | LIGHT EMITTING DIODE DEVICE USING NANOCRYSTAL-METAL OXIDE COMPOSITE AND METHOD FOR FABRICATING THE SAME - A light emitting diode device includes a light emitting diode chip and a nanocrystal-metal oxide monolith having a nanocrystal-metal oxide composite disposed on a light emitting surface of the light emitting diode chip | 11-13-2008 |
20080280162 | Organic electronic device - An organic electronic device includes: a pair of electrodes, an organic film layer containing an organic substance having a benzothiadiazole skeleton, a metal oxide layer provided on the organic film layer by vacuum vapor deposition, and an interface formed between the pair of electrodes out of the organic film layer and the metal oxide layer. | 11-13-2008 |
20080286604 | Organometallic Complex, Composition and Light Emitting Element Including the Organometallic Complex - To provide a novel organometallic complex, and light emitting elements, light emitting devices, and electronic devices which include the organometallic complex. In addition, to provide a composition in which the organometallic complex is dissolved and to provide a method for manufacturing light emitting elements using the composition. An organometallic complex has high solubility in a solvent. In the organometallic complex, the ligand including a pyrazine skeleton is bound to an atom belonging to Group 9 (Co, Rh, or Ir) or an atom belonging to Group 10 (Ni, Pd, or Pt). In addition, the light emission efficiency is high. Therefore, the organometallic complex is preferably used for manufacturing a light emitting element. | 11-20-2008 |
20080286605 | ORGANIC ELECTROLUMINESCENT DEVICE - An organic electroluminescent device includes a pair of electrodes; and an organic layer between the pair of electrodes, which includes a light-emitting layers wherein the organic layer contains a compound represented by the following formula (I); and the light-emitting layer contains a iridium complex phosphorescent material: | 11-20-2008 |
20080286606 | ORGANIC LIGHT EMITTING DIODE AND FLAT PANEL DEVICE INCLUDING THE SAME - An organic light emitting diode and a flat panel device including the same includes: a substrate; a first electrode formed on the substrate; a second electrode; and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer comprises an emissive layer, a first hole injection layer, and a second hole injection layer, and at least one of the first hole injection layer and the second hole injection layer comprises a compound represented by Formula 1 below. The organic light emitting diode can have a relatively long life-time. Formula 1 is: | 11-20-2008 |
20080286607 | Triazole derivative, and light-emitting device, and electronic device with the use of triazole derivative - It is an object of the present invention to provide a novel triazole derivative. Further, it is another object of the present invention to provide a light-emitting element having high luminous efficiency with the use of the novel triazole derivative. Moreover, it is still another object of the present invention to provide a light-emitting device and electronic devices which have low power consumption. A light-emitting element having high luminous efficiency can be manufactured with the use of a triazole derivative which is a 1,2,4-triazole derivative, in which an aryl group or a heteroaryl group is bonded to each of 3-position, 4-position, and 5-position, and in which any one of the aryl group or heteroaryl group has a 9H-carbazol-9-yl group. | 11-20-2008 |
20080292904 | ORGANIC ELECTROLUMINESCENT DEVICE AND DISPLAY APPARATUS - A red light-emitting organic electroluminescent device is provided and includes an anode; a cathode; and an organic layer which includes a light-emitting layer and is interposed between the anode and cathode. The light-emitting layer includes a red light-emitting guest material and a host material composed of a polycyclic aromatic hydrocarbon compound whose mother skeleton has a ring member number of from four to seven. The organic electroluminescent device also includes an electron transport layer containing a benzimidazole derivative provided adjacent to the light-emitting layer. | 11-27-2008 |
20080299414 | PHOSPHORESCENT MATERIAL, AND ORGANIC ELECTROLUMINESCENT DEVICE AND IMAGE DISPLAY APPARATUS USING SAME - Provided is an organic electroluminescent device which has a high efficiency and high durability. The organic electroluminescent device includes an anode and a cathode; and a layer including an organic compound interposed between the anode and the cathode, in which the layer includes a phosphorescent material including an Ir complex or Pt complex having at least one ligand represented by any one of the following general formulae (1) to (4): | 12-04-2008 |
20080305360 | Organic light emitting device and method of manufacturing the same - An organic light emitting device includes an organic light emitting diode on a substrate and an encapsulation layer covering the organic light emitting diode. The encapsulation layer includes an organic layer, an inorganic layer on the organic layer, and an intermixing region between the organic layer and the inorganic layer, the organic layer includes an organic material, the inorganic layer includes an inorganic material, and the intermixing region includes the organic material and the inorganic material. | 12-11-2008 |
20080311425 | ORGANIC ELECTROLUMINESCENT DEVICE AND DISPLAY DEVICE - The invention provides an organic electroluminescent device having an electrode pair of an anode and a cathode, at least one of which is transparent or translucent, and an organic compound layer disposed between the anode and the cathode, the organic compound layer having two or more layers including a buffer layer and a light-emitting layer. At least one of the layers of the organic compound layer has a specific charge-transporting polyether. The buffer layer is provided in contact with the anode and having at least a crosslinked compound formed by using at least one charge injection material having a specific substituted silicon group. The invention further provides a display device having at least a substrate, plural organic electroluminescent devices disposed on the substrate in a matrix form, and a driving unit to drive the organic electroluminescent devices, each of the plural organic electroluminescent devices is the organic electroluminescent device. | 12-18-2008 |
20080311426 | Organic EL Display and Method for Manufacturing the Same - One embodiment of the present invention is an organic EL display, including a transparent substrate, a plurality of pixel electrodes formed on the transparent substrate, a plurality of insulating medium layers of 100 nm thickness or more sectioning the plurality of pixel electrodes, a plurality of hole transport layers formed on the plurality of pixel electrodes, a plurality of organic light emitting layers formed on the plurality of hole transport layers, an angle between a side surface of an insulating medium layer and a surface of a hole transport layer or an organic light emitting layer being 30 degrees or less, and a counter electrode formed on the plurality of organic light emitting layers. | 12-18-2008 |
20080311427 | Organometallic complex, method of preparing the same and organic light emitting device comprising the same - An organometallic complex for an organic light emitting device represented by formula 1, a method of preparing the same and an organic light emitting device including the same: | 12-18-2008 |
20080318084 | White organic light emitting device and display apparatus - A white organic light emitting device and a display apparatus and a lighting apparatus including the same. The white organic light emitting device include an anode, a hole transporting layer, a light emitting layer, an electron transporting layer, a cathode, and at least one color stabilizing layer between the light emitting layer and the electron transporting layer. | 12-25-2008 |
20090004506 | Anthracene Derivatives and Light-Emitting Devices Using the Anthracene Derivatives - The present invention provides novel anthracene derivatives. In particular, the present invention provides light-emitting elements with high luminous efficiency, and light-emitting elements with long lifetime. Further, the present invention provides light-emitting devices and electronic devices having long lifetime by using these light-emitting elements. An anthracene derivative represented by the general formula (1) is provided. In addition, since the anthracene derivative represented by the general formula (1) has high luminous efficiency, a light-emitting element using the anthracene derivative represented by the general formula (1) can also have high luminous efficiency. By using the anthracene derivative represented by the general formula (1), light-emitting elements with long lifetime can be provided. | 01-01-2009 |
20090011278 | ORGANIC LIGHT EMITTING DEVICE - An organic light emitting device is provided that includes: an anode including an anode material and for injecting holes; an organic layer including a light emitting layer on the anode; and a cathode on the organic layer and through which light emitted from the light emitting layer passes, wherein the cathode includes: a buffer layer, a metal oxide layer including a metal oxide, and a metal layer including a metal having an absolute work function value lower than an absolute work function value of the anode material and coupled to the buffer layer and the metal oxide layer. | 01-08-2009 |
20090017330 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ORGANIC ELECTROLUMINESCENCE DEVICE UTILIZING THE SAME - A material for organic electroluminescence devices of the invention which is for use in combination with at least one phosphorescent metal complex has a specific heterocyclic structure. The material for organic electroluminescence devices is used as a host material or a hole transporting material. An organic electroluminescence device having an anode, a cathode and an organic thin film layer having one or more layers which is interposed between the anode and cathode, in which at least one layer of the organic thin film layer contains the material for organic electroluminescence devices, has a high emitting efficiency, causes little pixel defects, is excellent in heat resistance, and shows a long lifetime. | 01-15-2009 |
20090017331 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ORGANIC ELECTROLUMINESCENCE DEVICE UTILIZING THE SAME - A material for organic electroluminescence devices of the invention which is for use in combination with at least one phosphorescent metal complex has a specific heterocyclic structure. The material for organic electroluminescence devices is used as a host material or a hole transporting material. An organic electroluminescence device having an anode, a cathode and an organic thin film layer having one or more layers which is interposed between the anode and cathode, in which at least one layer of the organic thin film layer contains the material for organic electroluminescence devices, has a high emitting efficiency, causes little pixel defects, is excellent in heat resistance, and shows a long lifetime. | 01-15-2009 |
20090023015 | LUMINESCENT MATERIAL - A luminescent material is provided, which comprises a crystalline phase including Y, Si, O and N, and an activator comprising Tb and Ce. | 01-22-2009 |
20090053557 | STABILIZED WHITE-EMITTING OLED DEVICE - White light-emitting OLED device having an anode and a cathode, comprising: a first light-emitting layer provided over the anode and containing a first host material and a first light-emitting material, wherein the first host material is a mixture of one or more mono-anthracene derivatives and one or more aromatic amine derivatives, wherein the mono-anthracene derivative(s) being provided in a volume fraction range of greater than 50% and less than or equal to 95% relative to the total layer volume, and the aromatic amine derivative(s) being provided in a volume fraction range of 1% to 40% relative to the total layer volume, and wherein the first light-emitting material has a peak emission in the yellow to red portion of the spectrum; a second light-emitting layer provided over or under the first light-emitting layer, wherein the second light-emitting layer has a peak emission in the blue to cyan portion of the spectrum. | 02-26-2009 |
20090081480 | METHOD FOR LUMINESCENT LAYER FORMATION AND ORGANIC ELECTROLUMINESCENT DEVICE - A method for the formation of a luminescent layer having a uniform thickness in a desired pattern and an organic electroluminescent device that can realize high-quality display and is highly reliable. The luminescent layer is formed by providing a blanket having a resin film having a surface tension of not less than 35 dynes/cm as a surface layer and an ink for a luminescent layer, having a viscosity (ink temperature 23° C.) in the range of 5 to 200 cP as measured at a shear rate of 100/sec, and containing a solvent having a surface tension of not more than 40 dynes/cm and a boiling temperature in the range of 150 to 250° C., filling the ink into cells in a gravure form, allowing the blanket to receive the ink from the cells, and transferring the ink on the blanket onto a luminescent layer forming face. | 03-26-2009 |
20090092853 | Cyclopentaphenanthrene-based compound and organic light emitting device employing the same - Provided are a cyclopentaphenanthrene-based compound and and an organic light emitting device employing the same. The cyclopentaphenanthrene-based compound can be easily prepared, has high thermal stability and excellent hole transporting capability, and can be efficiently used to form an organic layer, particularly, a hole transport layer. | 04-09-2009 |
20090104472 | RED PHOSPHORESCENT COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICES USING THE SAME - Provided are red phosphorescent compounds represented by Formula 1: | 04-23-2009 |
20090110956 | OLED DEVICE WITH ELECTRON TRANSPORT MATERIAL COMBINATION - The invention provides an OLED device comprising a cathode, an anode, and having there between a light-emitting layer, further comprising, between the cathode and the light emitting layer, a non-luminescent electron transporting layer containing a compound with a 7,10-diaryl substituted fluoranthene nucleus having no aromatic rings annulated to the fluoranthene nucleus and an organic alkali metal salt, wherein the % volume of the organic alkali metal salt in the electron-transporting is in the range of greater than 70% but less than or equal to 90%. Devices of the invention provide improvements in T | 04-30-2009 |
20090110957 | OLED DEVICE WITH CERTAIN FLUORANTHENE HOST - An OLED device comprises a cathode, an anode, and has therebetween:
| 04-30-2009 |
20090117404 | Cyclopentaphenanthrene-based compound and organic light emitting device employing the same - Provided are a cyclopentaphenanthrene-based compound represented by Formula 1 below and an organic light emitting device employing the same. | 05-07-2009 |
20090136779 | CONJUGATED COMPOUNDS CONTAINING HYDROINDOLOACRIDINE STRUCTURAL ELEMENTS, AND THEIR USE - The present invention discloses a conjugated compound containing a hydroindoloacridine structural element and its applications as a host material or a hole transport material in an organic electronic device. The general structure of the conjugated compound containing a hydroindoloacridine structural element is as follows: | 05-28-2009 |
20090142618 | OLED DEVICE EMPLOYING ALKALI METAL CLUSTER COMPOUNDS - The invention provides an OLED device containing certain alkali metal cluster compounds with mixed ligands, such compounds, and methods of making them. In particular, the cluster compound is a neutrally charged mixed cluster compound comprising first and second subunits with the first subunit comprising an alkali metal salt of a nitrogen containing a heterocyclic ligand bearing a anionic hydroxy group and the second subunit consisting of an organic alkali metal salt different than the first subunit. | 06-04-2009 |
20090148722 | LAYER CONFIGURATION WITH IMPROVED STABILITY TO SUNLIGHT EXPOSURE - Disclosed are a light-emitting diode, a photovoltaic device, a transistor, and an electroluminescent device, each comprising a layer disposed on a support, the layer comprising a [A] composition exclusive of hydroquinone comprising at least one polymer comprising (3,4-dialkoxythiophene) monomer units, a polyanion, at least one polyhydroxy group-containing aromatic compound exclusive of sulfo groups, at least one amino-compound or heterocyclic compound with at least one ring nitrogen atom, and at least one compound selected from the group consisting of polyhydroxy- and/or carboxy group or amide or lactam group containing aliphatic compounds and aprotic compounds with a dielectric constant ≧15. | 06-11-2009 |
20090162693 | TETRA-SUBSTITUTED CHRYSENES FOR LUMINESCENT APPLICATIONS - This invention relates to electroluminescent 3,6,9,12-tetrasubstituted chrysenes that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a chrysene composition. | 06-25-2009 |
20090169921 | SYNTHESIS OF TRIPHENYLENE AND PYRENE BASED AROMATICS AND THEIR APPLICATION IN OLEDS - The present invention provides a compound of the general formula | 07-02-2009 |
20090186243 | INORGANIC PHOSPHOR - An inorganic phosphor includes: a host material that contains at least one host compound selected from the group consisting of compounds of group 2 element with group 16 element of the periodic table and compounds of group 12 element with group 16 element of the periodic table, or a mixed crystal of the host compound; and a dopant that includes at least one metal element selected from the group consisting of first metal elements belonging to second transition series of from group 6 to group 11 of the periodic table and second metal elements belonging to third transition series of from group 6 to group 11 of the periodic table, and does not include Cu and Mn. | 07-23-2009 |
20090191426 | ORGANIC COMPOUND, CHARGE-TRANSPORTING MATERIAL, AND ORGANIC ELECTROLUMINESCENT ELEMENT -
There are provided an organic having both excellent hole transporting property and satisfactory electron transporting and showing excellent durability against electric oxidation/reduction and a high triplet excitation level, and a charge transporting material and an organic electroluminescent device each using the organic compound. The organic compound is represented by following Formula (I):
| 07-30-2009 |
20090191427 | PHOSPHORESCENT OLED HAVING DOUBLE HOLE-BLOCKING LAYERS - An organic light-emitting device has a first hole-blocking layer in contact with a phosphorescent light-emitting layer and a second hole-blocking layer in contact with the first. The material in the first hole-blocking layer has a triplet energy greater than the host of the phosphorescent layer and the material in the second hole-blocking layer has a triplet energy higher than the dopant in the phosphorescent layer. Both hole-blocking materials have lower HOMO energies than the host of the phosphorescent light-emitting layer | 07-30-2009 |
20090191428 | TANDEM OLED DEVICE WITH INTERMEDIATE CONNECTOR - A tandem OLED device including an anode; a cathode; at least two electroluminescent units disposed between the anode and the cathode, wherein each of the electroluminescent units includes at least one hole-transporting layer and one organic light-emitting layer; and an intermediate connector disposed between adjacent electroluminescent units, wherein the intermediate connector includes an n-doped organic layer and an electron-accepting layer, the electron-accepting layer being disposed closer to the cathode than the n-doped organic layer, and wherein the n-doped organic layer includes an alkali metal and an organic alkali metal complex. | 07-30-2009 |
20090202864 | LUMINESCENT MATERIAL COMPOSITIONS AND STRUCTURES INCORPORATING THE SAME - Luminescent material compositions, in particular for use in high-temperature environments, and structures, such as thermal barrier coatings (TBCs), which incorporate the same. | 08-13-2009 |
20090208776 | ORGANIC OPTOELECTRONIC DEVICE AND METHOD FOR MANUFACTURING THE SAME - Provided are an organic optoelectronic device and a method for manufacturing the same. The organic optoelectronic device comprises an anode, an organic electron material layer formed on the anode, an electron transporting layer formed on the organic electron material layer, and a cathode formed on the electron transporting layer. The electron transporting layer comprises a blend of a low molecular weight electron transporting material having a LUMO between about 1.8 eV to about 3.0 eV and a film-forming polymer having a LUMO greater than that of the low molecular weight electron transporting material. | 08-20-2009 |
20090214893 | BORATE PHOSPHOR AND WHITE LIGHT ILLUMINATION DEVICE UTILIZING THE SAME - The invention provides borate phosphors composed of M | 08-27-2009 |
20090233125 | ORGANIC LIGHT-EMITTING DEVICE INCLUDING ORGANIC LAYER INCLUDING ANTHRACENE DERIVATIVE COMPOUND - An organic light-emitting device includes a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode, the organic layer including one or more anthracene derivative compounds represented by Formula 1 below and optionally an ionic metal complex: | 09-17-2009 |
20100081007 | Electrically Conductive Films Formed From Dispersions Comprising Polythiophenes and Ether Containing Polymers - An aqueous dispersion and a method for making an aqueous dispersion. The dispersion including at least one conductive polymer such as a polythienothiophene, at least one ether containing polymer and optionally at least one colloid-forming polymeric acid and one non-fluorinated polymeric acid. Devices utilizing layers formed of the inventive dispersions are also disclosed. | 04-01-2010 |
20100291409 | Method for making a photoluminescent article - A method for making products that glow in the dark, i.e., photoluminescent products, by coating such products with a photoluminescent pigment or ink, or with a plastic material containing the desired photoluminescent compound. Articles which are principally plastic, or having a plastic or partially plastic outer shell or covering can incorporate the photoluminescent pigment or ink directly within the plastic material itself. Photoluminescent products are also disclosed, which may also incorporate reflective material. | 11-18-2010 |
20100310900 | ULTRAVIOLET-DULL RESPONSE IN SECURITY TAGGANTS - Articles and methods for manufacturing security articles include ultraviolet absorptive materials disposed above and below an emissive security taggant that prevent excitation of the taggant itself at certain shorter ultraviolet wavelengths, rendering the article secure from detection by normal or conventional means. | 12-09-2010 |
20110027616 | ORGANIC ELECTROLUMINESCENCE DISPLAY DEVICE - An organic electroluminescence display device is provided. The organic electroluminescence display device includes plural organic electroluminescence elements. Each organic electroluminescence element includes: a lower electrode; an insulating layer having an opening, in which a lower electrode is exposed at the bottom of the opening; an auxiliary wiring; a stacked structure provided from a portion over the lower electrode exposed at the bottom of the opening to a portion of the insulating layer surrounding the opening, including a light emitting layer made of an organic light-emitting material; and an upper electrode. At least one layer of the stacked structure partially contacts the auxiliary wiring. The insulating layer and the auxiliary wiring are provided in common to the plurality of organic EL elements. The upper electrode covers the whole surface of the stacked structures and the auxiliary wiring. | 02-03-2011 |
20120021251 | HIGH-INTENSITY, PERSISTENT PHOTOLUMINESCENT FORMULATIONS AND OBJECTS, AND METHODS FOR CREATING THE SAME - Disclosed are photoluminescent formulations, comprising an effective amount of photoluminescent phosphorescent materials, which exhibit high luminous intensity and persistence. Also disclosed are photoluminescent objects formed by applying at least one photoluminescent layer, formed from photoluminescent formulations, to preformed articles. Further disclosed are methods for creating photoluminescent objects. | 01-26-2012 |
20120045661 | RARE-EARTH-DOPED ALUMINUM-GALLIUM-OXIDE FILMS IN THE CORUNDUM-PHASE AND RELATED METHODS - The invention provides a means for preparing rare-earth-doped α-(Al | 02-23-2012 |
20130288075 | CHROMIC LUMINESCENT OBJECTS - A chromic luminescent object comprising one or more chromic luminescent compositions incorporated into or onto one or more portions of the object, in which the one or more chromic luminescent compositions are selected such that, when subsequently exposed to incident electromagnetic radiation, at least brightness of the one or more portions of the object is substantially modulated through absorption and emission as a function of incident electromagnetic radiation is disclosed. Also disclosed are methods for fabricating the chromic luminescent object. | 10-31-2013 |
20140065442 | PHOTOLUMINESCENT OBJECTS - An object comprising a low rare earth mineral photoluminescent structure incorporated onto or into one or more portions of the object, the object being a photoluminescent object is disclosed. Further disclosed is a method for fabricating the object. An object comprising a low rare earth mineral photoluminescent composition incorporated onto or into one or more portions of the object, the object being a photoluminescent object is also disclosed, as well as, a method for fabricating the object. | 03-06-2014 |
20140141283 | METHOD FOR MANUFACTURING A FLUORESCENT RESIN FILM AND FLUORESCENT RESIN FILM MANUFACTURED THEREBY - A method of manufacturing a phosphor resin film and a phosphor resin film manufactured thereby are provided. The method of manufacturing a phosphor resin film includes preparing a polymer slurry by mixing a polymer resin and a latent curing agent in a solvent, spreading the polymer slurry such that it has a film shape, drying the spread polymer slurry to form a semi-hardened resin film, and providing phosphor powder to the semi-hardened resin film. A phosphor resin film includes semi-hardened resin film including a polymer resin and a latent curing agent and phosphors uniformly formed on one surface of the semi-hardened resin film. | 05-22-2014 |
20150118519 | METHOD OF MICROBIALLY PRODUCING METAL GALLATE SPINEL NANO-OBJECTS, AND COMPOSITIONS PRODUCED THEREBY - A method of forming a metal gallate spinel structure that includes mixing a divalent metal-containing salt and a gallium-containing salt in solution with fermentative or thermophilic bacteria. In the process, the bacteria nucleate metal gallate spinel nano-objects from the divalent metal-containing salt and the gallium-containing salt without requiring reduction of a metal in the solution. The metal gallate spinel structures, as well as light-emitting structures in which they are incorporated, are also described. | 04-30-2015 |