Class 257/E51.027 - Organic polymer or oligomer (EPO)

Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: This subclass is indented under subclass E51.024. This subclass
No. of patents: 22
Last issue date: 08/26/2008

Number	Title	Issue Date
7417247	Pentaarylcyclopentadienyl units as active units in resistive memory elements Polymers are described which exhibit a resistive hysteresis effect. The polymers include a polymer backbone to which pentaarylcyclopentadienyl radicals are bonded as side groups. A resistive memory element is formed that includes the polymer as a storage medium. By ...	08/26/2008
7413916	Light-emitting device and manufacturing method thereof A light emitting element having a superior light emitting characteristic is provided by forming a region partly including a phosphor (light emitting region) in manufacturing of a light emitting element having an organic compound layer using a high molecular weight m...	08/19/2008
7378682	Memory element using active layer of blended materials The present memory device has first and second electrodes, a passive layer between the first and second electrodes and on and in contact with the first electrode, and an active layer between the first and second electrodes and on and in contact with the passive laye...	05/27/2008
7348073	Spirocyclopentaphenanthrenefluorene-based compound and organoelectroluminescent device using the same A spiro-based compound containing cyclopentaphenanthrene and fluorene, which is used for an organoelectroluminescent device and an organoelectroluminescent device having the spiro-based compound. The spiro-based compound containing cyclopentaphenanthrene and fluoren...	03/25/2008
7348072	Light-emitting polymer and organoelectroluminescent display using the same A spirofluorene-type of a blue light-emitting polymer including an indenofluorene repeating unit having a spiroanthracene structure, and an organic electroluminescent display using the polymer. The brightness and efficiency property of the organic electroluminescent...	03/25/2008
7345301	Mixtures of matrix materials and organic semiconductors capable of emission, use of the same and electronic components containing said mixtures The present invention describes new types of material mixtures composed of at least two substances, one serving as a matrix material and the other being an emission material capable of emission, the latter comprising at least one element of atomic number greater tha...	03/18/2008
7316983	Film formation apparatus and film formation method and cleaning method The purpose of the invention is to provide a film formation apparatus capable of forming an EL layer with a high purity and a high density, and a cleaning method. The invention is a formation of an EL layer with a high density by heating a substrate 10 by a h...	01/08/2008
7309874	Field-effect transistor An organic FET 1 comprises a substrate 2 on which a gate insulation film 41 and a functional layer 43 are formed in this order, and a source electrode 6 and a drain electrode 8 are further arranged thereon at a predetermined...	12/18/2007
7309532	Cyclopentaphenanthrene-based compound and organoelectroluminescent device employing the same The present invention is related to a cyclopentaphenanthrene-based compound and an organic electroluminescence device using the same. In particular, the cyclopentaphenanthrene-based compound offers several advantages, including easy processibility, high solubility, ...	12/18/2007
7279702	Electronic device, method, monomer and polymer The electronic device of the invention comprises one or more active elements, each comprising a first and a second electrode and an active layer of organic material separating the first and second electrodes. Examples of active elements are thin-film transistors and...	10/09/2007
7274035	Memory devices based on electric field programmable films A composition for the formation of an electric field programmable film, the composition comprising a matrix precursor composition or a dielectric matrix material, wherein the dielectric matrix material comprises an organic polymer and/or a inorganic oxide; and an el...	09/25/2007
7265379	Organic electronic device and methods for manufacturing a device of this kind An organic electronic device consists of one or more electro-active organic or polymer materials sandwiched between electrodes. Critical in such devices is the interface between the electrode and the polymer, where degradation or chemical reaction products may devel...	09/04/2007
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
7208757	Memory element with nitrogen-containing active layer The present memory structure includes first and second electrodes, a passive layer, and an active layer containing nitrogen, the passive and active layers being between the first and second electrodes. Metal ions in the active layer bind to the nitrogen thereof, enh...	04/24/2007
7208823	Semiconductor arrangement comprising transistors based on organic semiconductors and non-volatile read-write memory cells A semiconductor arrangement is disclosed, having transistors based on organic semiconductors and non-volatile read/write memory cells. The invention relates to a semiconductor arrangement, constructed from transistors, in the case of which the semiconductor path is ...	04/24/2007
7148076	Light-emitting device and manufacturing method thereof A light emitting element having a superior light emitting characteristic is provided by forming a region partly including a phosphor (light emitting region) in manufacturing of a light emitting element having an organic compound layer using a high molecular weight m...	12/12/2006
7145221	Low moisture absorptive circuitized substrate, method of making same, electrical assembly utilizing same, and information handling system utilizing same A circuitized substrate comprising a first layer comprised of a dielectric material including a low moisture absorptive polymer resin in combination with a nodular fluoropolymer web encased within the resin, the resulting dielectric layer formed from this combinatio...	12/05/2006
7108924	Polymer compound and electroluminescent element There is provided a polymer compound in which a metal complex is bonded to a main chain of a polymer via a substituent for imparting a given distance therebetween. Specifically, a polymer compound is provided which has a partial structure represented by the general ...	09/19/2006
7087319	Organic electro luminescence display using metallocene compound The present invention relates to an organic electroluminescence display using a metallocene compound, and more particularly to an organic electroluminescence display with a simple structure using a metallocene compound, which has superior photoconductivity, can be u...	08/08/2006
7060372	Polymers having attached luminescent metal complexes and devices made with such polymers The present invention is generally directed to a polymeric metal complex comprising a polymeric material having a plurality of a first-type functional groups, wherein at least a portion of the functional groups are coordinated to at least one metal containing comple...	06/13/2006
6878961	Photosensitive polymeric memory elements A method of making organic memory cells made of two electrodes with a controllably conductive media between the two electrodes is disclosed. The controllably conductive media contains an organic semiconductor layer that contains a photosensitive compound. The organi...	04/12/2005
5529853	Organic electroluminescent element The present invention provides an organic EL element improved in durability. The organic EL element comprises a hole-injecting electrode and an electron-injecting electrode, and at least a film made of a luminous material therebetween, wherein the luminou...	06/25/1996

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Class 257/E51.027 - Organic polymer or oligomer (EPO)