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| Number | Title | Issue Date |
| 7390578 | Aryl-substituted poly-p-arylenevinylenes Aryl-substituted poly-p-arylenevinylenes comprising a repeating unit of the formula (C1), in which one or more of the unsubstituted aromatic carbon atoms may be replaced by nitrogen atoms, —OCm and —OCn ... | 06/24/2008 |
| 7371470 | Pyran derivative A light-emitting compound that can be easily applied to vacuum vapor deposition and exhibit long wavelength light is disclosed. Further, a light-emitting element without inferior luminescence properties due to the carbonization of a light-emitting compound during va... | 05/13/2008 |
| 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 |
| 7135241 | Light-emitting block copolymers composition, process and use Generally, and in one form, the present invention is a composition of light-emitting block copolymer. In another form, the present invention is a process producing a light-emitting block copolymers that intends polymerizing a first di(halo-methyl) aromatic monomer c... | 11/14/2006 |
| 7041388 | Substituted poly(arylene vinylenes), process for their preparation and their use in electroluminescent devices The present invention describes poly(arylenevinylenes) comprising poly(arylphenylenevinylene) units whose phenylene unit bears a further aryl substituent in the para or meta position relative to the first aryl radical (formula (I)), as a result of which the operatin... | 05/09/2006 |
| 6693611 | Display devices A display device comprising an array of light-emissive pixels, each pixel comprising red, green and blue light emitters and at least one further light emitter for emitting a color to which the human eye is more sensitive than the emission color of at leas... | 02/17/2004 |
| 6686067 | Deuterated semi-conducting organic compounds used for opto-electronic devices Organic semiconductors consisting of conjugated chromophores wherein one or more hydrogen atoms are deuterated are disclosed. Methods of preparing such organic semiconductors are described. The organic semiconducting compounds exhibit remarkably high lumi... | 02/03/2004 |
| 6670052 | Organic light emitting diode An organic light emitting diode having high luminous intensity, and providing stabilized performance even during repetitive use and easy to manufacture, by using a charge transporting polymer having the following general formulae (I-1) and (I-2). ##S... | 12/30/2003 |
| 6661024 | Integrated circuit including field effect transistor and method of manufacture An integrated circuit (100, 200, 300, 400) that includes a field effect transistor (102, 202, 302, 402) is fabricated by forming an organic semiconductor channel (112, 216, 308, 418) on one substrate (106, 204), forming device electrodes (114, 116, 110, 2... | 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 |
| 6649320 | Donor sheet for thin-film formation, process for production thereof and organic electroluminescent device A process for producing a donor sheet for a thin-film formation comprising: while transporting a sheet on which a light-to-heat conversion layer has already been formed, forming a transfer layer on the light-to-heat conversion layer and drying the transfe... | 11/18/2003 |
| 6641933 | Light-emitting EL display device By repeating a purification process of a light-emitting organic compound several times, a thin film made of the light-emitting organic compound to be used in an EL display device contains ionic impurities at the concentration of 0.1 ppm or lower and has a... | 11/04/2003 |
| 6638644 | Electroluminescent devices having diarylanthracene polymers An electroluminescent device comprises an anode, a cathode, and an emissive layer having a polymer luminescent material disposed between the anode and cathode, the polymer luminescent material includes diarylanthracene-based conjugated polymer having a re... | 10/28/2003 |
| 6623870 | Electroluminescence in light emitting polymers featuring deaggregated polymers In general terms, the present invention includes a light emitting polymeric material the light emitting polymeric material capable of producing electroluminescence upon being provided with a flow of electrons, the light emitting polymeric material compris... | 09/23/2003 |
| 6617186 | Method for producing electroluminescent element The main object of the present invention is to provide a method for producing an EL element for realizing the high luminous efficiency, the high light takeout efficiency, the simplicity of the production process, and the formation of highly fine patterns.... | 09/09/2003 |
| 6613395 | Method of making molecularly doped composite polymer material A method of making a composite polymer of a molecularly doped polymer. The method includes mixing a liquid polymer precursor with molecular dopant forming a molecularly doped polymer precursor mixture. The molecularly doped polymer precursor mixture is fl... | 09/02/2003 |
| 6602969 | Polymeric fluorescent substance and polymer light-emitting device Provided is a polymeric fluorescent substance showing fluorescence in solid state, which has a specific carrier drift mobility, a specific repeating unit, and specific number-average molecular weight. The polymeric fluorescent substance is excellent in so... | 08/05/2003 |
| 6593687 | Cavity-emission electroluminescent device and method for forming the device An electroluminescent device and a method for producing the electroluminescent device are described. The device is formed from a layered structure comprising a hole-injection electrode layer for injecting holes into an electroluminescent material, an elec... | 07/15/2003 |
| 6582755 | Polarizable photoactive and electroactive polymers and light emitting devices The invention relates to poly(phenylene vinylene) polymers substituted with dendritic sidechains to enhance main-chain separation in the solid state. The polymers are synthesized by the Heck polymerization and have a weight-average molecular weight of 20,... | 06/24/2003 |
| 6579630 | Deuterated semiconducting organic compounds used for opto-electronic devices Organic semiconductors consisting of conjugated chromophores wherein one or more hydrogen atoms are deuterated are disclosed. Methods of preparing such organic semiconductors are described. The organic semiconducting compounds exhibit remarkably high lumi... | 06/17/2003 |
| 6559256 | Polymers for use in optical devices Optical devices fabricated from solvent processible polymers suffer from susceptibility to solvents and morphological changes. A semiconductive polymer capable of luminescence in an optical device is provided. The polymer comprises a luminescent film-form... | 05/06/2003 |
| 6544670 | Hole transporting polymer and organic electroluminescence device using the same A hole transporting polymer including a repeating unit represented by one of formulas (1) and (5): ##STR1## It can exhibit an excellent hole transporting property and exhibits superior durability and film-forming properties. An organic EL device usin... | 04/08/2003 |
| 6538263 | Polymer electroluminescent device employing emissive ionomer-type polymer The present invention provides ionomer-type emissive polymer whose heat-stability is improved by the formation of ionic cross-link, and electroluminescent device employing the same as an emissive layer. The ionomer-type emissive polymer is characterized b... | 03/25/2003 |
| 6521359 | Polymeric fluorescent substance and polymer light emitting device Provided is a polymeric fluorescent substance which emits a fluorescence in a solid state, which comprises the following repeating unit in an amount of 20 mol % or more based on the total amount of all repeating units, ##STR1## in the formula, X1 | 02/18/2003 |
| 6458909 | Aryl-substituted poly (p-arylene-vinylenes), process for their preparation and their use in electroluminescence components Poly(p-arylene-vinylenes) comprising repeating units of the formula (I), ##STR1## where the symbols and indices have the following meanings: Y1, Y2, Y3 : identical or different, CH, N; Aryl: an aryl group having from 4 to 14 carbon ... | 10/01/2002 |
| 6414104 | Arylamine-substituted poly (arylene vinylenes) and associated methods of preparation and use The invention provides novel conjugated polymers comprised of arylamine-substituted poly(arylene vinylenes). The polymers have the general structure (I) ##STR1## wherein: Ar is arylene, heteroarylene, substituted arylene or substituted heteroarylene ... | 07/02/2002 |
| 6403236 | Polymer light emitting device A polymer light emitting device at least having a light emitting layer containing a polymeric fluorescent substance and a charge transporting layer, wherein said polymeric fluorescent substance contains one or more kind of repeating units represented by t... | 06/11/2002 |
| 6403238 | Organic light-emitting diodes (OLED) including poly[2-methoxy-5-(2'-ethyl-hexyloxy)-1,4-phenylene-1,2-ethenylene-2,5-dime thoxy-1,4-phenylene-1,2-ethenylene] as electroluminescent material The invention relates to the use of the new poly(p-phenylenevinylene) derivative, poly[2-methoxy-5-(2'-ethyl-hexyloxy)-1,4-phenylene-1,2-ethenylene-2,5-dime thoxy-1,4-phenylene-1,2-ethenylene] (M3EH-PPV) as electroluminescent material. The invention i... | 06/11/2002 |
| 6399224 | Conjugated polymers with tunable charge injection ability Conjugated polymers and copolymers with strong luminescent properties and balanced charge transporting/injection properties are disclosed. Methods of manufacturing such polymers and copolymers and optoelectronic devices fabricated with such polymers and c... | 06/04/2002 |
| 6383665 | Polarizable photoactive and electroactive polymers and light emitting devices The invention relates to poly(phenylene vinylene) polymers substituted with dendritic sidechains to enhance main-chain separation in the solid state. The polymers are synthesized by the Heck polymerization and have a weight-average molecular weight of 20,... | 05/07/2002 |
| 6372881 | Monomers for preparing arylamine-substituted poly(arylene-vinylenes) The invention provides novel conjugated polymers comprised of arylamine-substituted poly(arylene vinylenes). The polymers have the general structure (I) ##STR1## wherein: Ar is arylene, heteroarylene, substituted arylene or substituted heteroarylene ... | 04/16/2002 |
| 6368732 | Light-emitting polymers having high efficiency and color tunable properties A light-emitting polymer is represented by the following formula (I): ##STR1## wherein R1, R2 and R3 are selected from the group consisting of linear aliphatic alkyl groups, branched alkyl groups and fluorinated alkyl grou... | 04/09/2002 |
| 6340789 | Multilayer photovoltaic or photoconductive devices The invention concerns optically absorptive photonic devices and in particular photovoltaic and photoconductive devices. It is particularly concerned with devices formed from multiple semiconducting layers, e.g., organic semiconducting polymers. Such a de... | 01/22/2002 |
| 6337150 | Light-emitting compound and display device adopting light-emitting compound as color-developing substance A light-emitting compound and a display device adopting the light-emitting compound as a color-developing substance. When the display device adopts an organic layer formed of such light-emitting compound as a blue light-emitting material, luminous efficie... | 01/08/2002 |
| 6329086 | Electroluminescent devices having arylamine polymers An electroluminescent device which includes an anode, a cathode, and a polymer luminescent material disposed between the anode and cathode, the polymer luminescent material having arylamine moiety has the molecular formula: ##STR1## wherein: R1 | 12/11/2001 |
| 6284435 | Electrically active polymer compositions and their use in efficient, low operating voltage, polymer light-emitting diodes with air-stable cathodes The addition of a highly polarizable additive such as an organic anionic surfactant to an electrically active polymer improves the electrical properties of the polymer. When such an additive is added to an electroluminescent organic polymer this mixture c... | 09/04/2001 |
| 6239355 | Solid-state photoelectric device A solid state photovoltaic device is formed on a substrate and includes a photoactive channel layer interposed between a pair of electrodes. The photoactive channel layer includes a first material which absorbs light and operates as a hole carrier. Within... | 05/29/2001 |
| 6127693 | Light emitting diode with blue light and red light emitting polymers The invention provides a novel polymer light-emitting diode (LED) which can emit near white light with a broad spectrum, which LED comprises a transparent electrode as an anode, a metal electrode as a cathode, an organic light-emitting layer, and a hole t... | 10/03/2000 |
| 6117965 | Synthetic method of soluble PPV derivatives having two silyl groups and light-emitting devices using the same There is disclosed a synthetic method of mixing a soluble poly(1,4-phenylenvinylene) (PPV) derivative in which two silyl groups are substituted, and an electroluminescent device using the same. In the poly[2,5-bis(dimethyloctylsilyl)-1,4-phenylenvinylene]... | 09/12/2000 |
