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| Number | Title | Issue Date |
| 7442449 | Organic electroluminescence device The present invention provides an organic electroluminescence device, by which high brightness is provided in a manner of forming a hole injection or transport layer using a material that lowers an energy barrier. The present invention includes an organic emitting l... | 10/28/2008 |
| 7399991 | Organic light emitting device and display device using the same An organic compound film is composed of a hole transporting region, a first mixed region, a light emitting region, a second mixed region, and an electron transporting region that are connected to one another. With the organic compound film thus structured, the blue ... | 07/15/2008 |
| 7399537 | 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. T... | 07/15/2008 |
| 7374829 | Organic electroluminescent element and full color display A organic electroluminescent element is disclosed which comprises a light emission layer containing a fluorescent compound and a phosphorescent compound, the fluorescent compound having a nitrogen atom number to carbon atom number ratio in the molecule (N/C) of from... | 05/20/2008 |
| 7374830 | Organic electroluminescent device An organic EL device includes a pair of electrodes, a light emitter layer obtained by mixing a hole transporting material made of a tertiary amine compound, an electron transporting material and a light emitting additive. The tertiary amine compound constituting the... | 05/20/2008 |
| 7368331 | Manufacturing method of thin-film transistor, thin-film transistor sheet, and electric circuit A thin-film transistor, a thin-film transistor sheet, an electric circuit, and a manufacturing method thereof are disclosed, the method comprising the steps of forming a semiconductor layer by providing a semiconductive material on a substrate, b) forming an isolati... | 05/06/2008 |
| 7355211 | Light-emitting element and display thereof Conventional light-emitting elements, in particular an organic electroluminescence devices, involve problems resulting from a low light extraction efficiency of 20% or less, because of limitations on light emission set by total reflection angle on an organic layer o... | 04/08/2008 |
| 7264890 | Electroluminescent material, electroluminescent element and color conversion filter An electroluminescent element is disclosed, comprising an electroluminescent material and a fluorescent substance emitting light having an emission maximum at the wavelength different from that of light emitted from the electroluminescent material upon absorption of... | 09/04/2007 |
| 7241513 | Fluorene compound and organic luminescent device using the same A fluorene compound represented by the following general formula [I]: is used to provide an organic luminescent device. Such a device has an optical output exhibiting a high luminance with an extremely high effic... | 07/10/2007 |
| 7229702 | Oligofluorenlylene compounds The present invention provides an oligofluorenylene compound represented by the general formula below, which enables production of an organic light-emitting device that exhibits an extremely pure luminescent hue and has a light emission of high efficiency, high brig... | 06/12/2007 |
| 7201975 | Organic light emitting device A hole injection layer, a hole transport layer, a mixture luminescent layer, a hole blocking layer, an electron injection layer and a cathode are formed on an anode. The mixture luminescent layer includes TCTA as a luminescent substance, Ir(ppy) as a substance emitt... | 04/10/2007 |
| 7201976 | Organic electroluminescence material and electroluminescence device using the same An organic electroluminescence material of the present invention includes, in order to provide an durable organic EL device emitting light of high brightness, a compound shown by the general formula (A-I) or (B-I) (as explained in the specification) wherein, A1... | 04/10/2007 |
| 7189989 | Light emitting element This present invention provides a light emitting element comprising at least one organic layer containing a light emitting layer provided between a pair of electrodes, and in this structure, at least one layer of the at least one organic layer contains at least one ... | 03/13/2007 |
| 7125614 | Organic electroluminescent device An electroluminescent device includes an anode, a cathode and at least one organic layer sandwiched between the anode and the cathode, the organic layer including a light-emitting layer which includes compound C1. ... | 10/24/2006 |
| 7122256 | Styryl compound and organic electroluminescence device Novel styryl compounds represented by the following general formulae (1) and (2): wherein R1 to R10 each independently represent hydrogen atom, an alkyl group, an alkoxyl group, an aryl grou... | 10/17/2006 |
| 7083863 | Luminous element and method for preparation thereof A light-emitting element having at least a light-emitting region arranged between a pair of electrodes is provided, in which the light-emitting region contains either (A) a light-emitting material, a compound capable of sustaining the charge transport, and a heavy m... | 08/01/2006 |
| 7083867 | Peropyrene compound, organic electroluminescent element and organic electroluminescent display An organic electroluminescent element contains a positive electrode, a negative electrode, and a thin organic layer arranged between the positive electrode and the negative electrode, wherein the thin organic layer comprises, as a luminescent material, a peropyrene ... | 08/01/2006 |
| 7012280 | Organic electroluminescence display device fabricating method of the same An organic electroluminescence display device includes a substrate including an emission region and a non-emission region, a first electrode on the substrate, a buffer layer on the first electrode, the buffer layer corresponding to the non-emission region, a partiti... | 03/14/2006 |
| 6703180 | Forming an improved stability emissive layer from a donor element in an OLED device A method of forming an organic light-emitting device with improved stability including forming an anode over a substrate, providing a cathode spaced from the anode, and providing a donor element including light-emitting material and positioning such donor... | 03/09/2004 |
| 6703146 | Organic electroluminescent device and panel therewith A blue organic EL device with an improved EL luminescence efficiency where an energy barrier is reduced during injection of holes or electrons from an anode or cathode to facilitate charge injection; a charge transporting layer acts as a blocking layer pr... | 03/09/2004 |
| 6703179 | Transfer of organic material from a donor to form a layer in an OLED device Method and apparatus are disclosed for transferring organic material from a donor onto a substrate to form a layer of organic material on one or more OLED devices, by aligning first and second fixtures in a reduced pressure environment and positioning the... | 03/09/2004 |
| 6699595 | Electroluminescent device with polyphenyl hydrocarbon hole transport layer An organic multilayer electroluminescent device including an anode and cathode, and comprising therebetween: a hole transport layer; and an electron transport layer disposed in operative relationship with the hole transport layer; wherein: the ... | 03/02/2004 |
| 6695029 | Apparatus for permitting transfer of organic material from a donor to form a layer in an OLED device Apparatus for permitting the transfer of organic material from a donor onto a substrate to form a layer of organic material on one or more OLED devices, comprising a first fixture arranged to support the donor and substrate in a relationship relative to o... | 02/24/2004 |
| 6695030 | Apparatus for permitting transfer of organic material from a donor web to form a layer in an OLED device Apparatus for transferring organic material from a donor web onto a substrate to form a layer of organic material on one or more OLED devices including a web of donor material; first and second fixtures and a structure for applying fluid to a chamber to c... | 02/24/2004 |
| 6692846 | Organic electroluminescent device having a stabilizing dopant in a hole-transport layer or in an electron-transport layer distant from the emission layer An organic electroluminescent device includes a substrate; an anode and a cathode positioned relative to the substrate; an emission layer disposed between the anode and the cathode; a hole-transport layer disposed between the anode and the emission layer;... | 02/17/2004 |
| 6690028 | Organic electroluminescence element display device with organic semiconductor diodes An organic semiconductor diode includes at least one hole transport layer which is arranged on an anode side and formed of an organic compound having a hole transport capability, and at least one electron transport layer which is arranged on a cathode sid... | 02/10/2004 |
| 6689493 | Organic electroluminescent element and organic electroluminescent display An organic EL element including an anode and a cathode opposing each other, and having a luminescent layer positioned therebetween, including an aromatic amine derivative designated by a general formula [1] and a dibenzo-{[f,f']-4,4',7,7'-tetraphenyl}-dii... | 02/10/2004 |
| 6686065 | [5]-helicene and dibenzofluorene materials for use in organic light emitting devices Organic materials based on [5] helicenes or dibenzofluorenes are shown to have excellent properties for use in electroluminescent devices, including high stability and efficiency and low excimer formation. The materials may advantageously be adapted to ha... | 02/03/2004 |
| 6682863 | Depositing an emissive layer for use in an organic light-emitting display device (OLED) A method for depositing an OLED emissive layer, includes: providing an OLED substrate having at least one discernible feature; providing a beam of light which is transversely and angularly movable; providing an unpattemed donor element including emissive ... | 01/27/2004 |
| 6670053 | Organic electroluminescent devices with high luminance Disclosed is a multilayer electroluminescent device comprising an anode, a hole transport layer (HTL), a light emitting layer (LEL), an electron transport layer (ETL), and a cathode, in that order, wherein there is located between the HTL and the LEL an i... | 12/30/2003 |
| 6661023 | Organic element for electroluminescent devices Disclosed is an OLED device comprising a light-emitting layer containing a host and a dopant where the dopant comprises a boron compound complexed by two ring nitrogens of a deprotonated bis(azinyl)amine ligand.... | 12/09/2003 |
| 6656763 | Spin on polymers for organic memory devices A method of making organic memory cells made of two electrodes with a controllably conductivce media between the two electrodes is disclosed. The controllably conductive media contains an organic semiconductor layer and passive layer. The organic semicond... | 12/02/2003 |
| 6653778 | Fluorescent color conversion film, fluorescent color conversion filter using the conversion film, and organic light-emitting device equipped with the conversion filter A high boiling-point solvent, included in a fluorescent color conversion film, suppresses degradation in color conversion characteristic by compensating for a decrease in dielectric constant due to solidification of the matrix system. The fluorescent colo... | 11/25/2003 |
| 6652997 | Organic luminescence device An organic luminescence device is constituted by an anode and a cathode and at least one organic layer disposed between the anode and the cathode. The above-mentioned at least one organic layer includes a layer of a fused polynuclear compound represented ... | 11/25/2003 |
| 6649436 | Using organic materials in making an organic light-emitting device A method of making an organic layer from an organic material on a substrate which will form part of an organic light-emitting device, including the steps of providing a sublimable organic material in a powder form; providing a thermally conductive and non... | 11/18/2003 |
| 6649433 | Self-healing flexible photonic composites for light sources A heterogeneous blend of small electron-donor organic molecules and polymerizable monomers is flash evaporated to provide a molecular-level vapor-phase mixture, which is then condensed and cured in-line as a homogeneous liquid layer on a flexible web cont... | 11/18/2003 |
| 6646164 | Triphenylamine derivative and organic electroluminescence device comprising the same A triphenylamine derivative represented by the following general formula (1): ##STR1## wherein R1, R2, R3, R4, R5 and R6 may be the same or different and each represents a hydrogen atom, al... | 11/11/2003 |
| 6645579 | Liquid crystal device A liquid crystal device, suitably included in e.g., an organic EL device, is formed of a pair of electrodes and a plurality of layers disposed between the electrodes and including at least one liquid crystal layer. The liquid crystal layer comprises a liq... | 11/11/2003 |
| 6645843 | Pulsed laser deposition of transparent conducting thin films on flexible substrates The invention relates to the deposition of transparent conducting thin films, such as transparent conducting oxides (TCO) such as tin doped indium oxide (ITO) and aluminum doped zinc oxide (AZO) on flexible substrates by pulsed laser deposition. The coate... | 11/11/2003 |
| 6641859 | Method of making an emissive layer for an organic light-emitting device A method of making an electroluminescent device having a substrate, and at least one dopant receiving layer containing a host material which when doped provides an emissive layer, includes providing at least one dopant layer having a dopant disposed over ... | 11/04/2003 |
