Class 257/E51.032 - Polyflurorene and derivative (EPO)

Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: This subclass is indented under subclass E51.028. This subclass
No. of patents: 30
Last issue date: 04/01/2008

Number	Title	Issue Date
7352038	Organic thin film transistor with polymeric interface Provided is an organic thin film transistor comprising a polymeric layer interposed between a gate dielectric and an organic semiconductor layer. Various homopolymers, copolymers, and functional copolymers are taught for use in the polymeric layer. An integrated cir...	04/01/2008
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
7238435	Polymeric compound and organic luminescence device A main chain-type or side chain-type polymeric compound having a structure wherein at least one metal complex segment having a plurality ligands is introduced into a main chain or a side chain is provided. In the case where the polymeric compound is the main chain-t...	07/03/2007
6805922	Mono-, oligo-and polyalkylidenefluorenes and their use as charge transport materials Conjugated mono-, oligo- and polyalkylidenefluorenes are suitable for use as semiconductors or charge transport materials in optical, electrooptical or electronic devices including field effect transistors, electroluminescent, photovoltaic and sensor devices. ...	10/19/2004
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
6670213	Method of preparing photoresponsive devices, and devices made thereby A method of preparing an efficient photoresponsive device includes the steps of providing a first electrode on a substrate, providing a layer of an organic material including a blend of at least two semiconductive polymers having different electrode affin...	12/30/2003
6649283	Polyimide layer comprising functional material, device employing the same and method of manufacturing same device The invention relates to novel layers comprising polyimide and organic functional material such as hole transport material, electron transport material and/or emitter material having a glass transition temperature of higher than 80° C. The layers can be ...	11/18/2003
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
6630254	Conjugated polycarbazole derivatives in Organic Light Emitting Diodes An Organic Light Emitting Diode (OLED) includes as active material a conjugated poly(N-alkyl-2,7-carbazole) derivative described by the formula: ##STR1## wherein n is an integer of about 3 to about 100, and R represents a substituant that is a linear...	10/07/2003
6617051	Organic electroluminescence device The invention is an organic electroluminescent device that comprises organic compound layer(s) including at least one organic emitting layer sandwiched between a pair of electrodes, wherein at least one organic compound layer is formed from an organic com...	09/09/2003
6602395	Patterning of polymer light emitting devices using electrochemical polymerization Light emitters are formed and patterned on an electrode for an organic light-emitting device by electrochemically polymerizing a monomer across the full length of the electrode. A second electrode is deposited so to define a pixel region between mutually ...	08/05/2003
6593450	2,7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers The invention relates to 2,7-substituted-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers. The fluorenes, oligomers and polymers are substituted at the 9-position with two hydrocarbyl moieties which may optionally contain one or m...	07/15/2003
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
6517958	Organic-inorganic hybrid light emitting devices (HLED) Organic-inorganic HLED materials based on silsesquioxane architectures are disclosed. These silsesquioxane compounds incorporate at least one, and preferably multiple, functional moiety substituents selected from hole transport, electron transport, and em...	02/11/2003
6514632	Fluorene-containing polymers and compounds useful in the preparation thereof A compound of the formula: ##STR1## and compounds of the formulas: ##STR2## wherein R1 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl containing one or more S, N, O, P or Si atoms, C4-...	02/04/2003
6512083	Fluorene-containing polymers and compounds useful in the preparation thereof A compound of the formula: ##STR1## and compounds of the formulas: ##STR2## wherein R1 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl containing one or more S, N, O, P or Si atoms, C4-...	01/28/2003
6472817	Organic light emitting device incorporating a waveguide The present invention provides an organic light emitting device having a first electrode and a transparent electrode with an organic light emitting layer therebetween; characterized by a waveguide provided on the opposite side of the transparent electrode...	10/29/2002
6452207	Organic semiconductor devices The specification describes a thin film transistor device in which the semiconductor layer is a fluorene oligomer having a molecular weight of less than 2000, and comprising from 1 to 10 fluorene ring units. These oligomers can be deposited by simple evap...	09/17/2002
6362310	Fluorene-containing polymers and compounds useful in the preparation thereof A compound of the formula: ##STR1## and compounds of the formulas: ##STR2## wherein R1 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl containing one or more S, N, O, P or Si atoms, C4-...	03/26/2002
6255447	2,7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers The invention relates to 2,7-substituted-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers. The fluorenes, oligomers and polymers are substituted at the 9-position with two hydrocarbyl moieties which may optionally contain one or m...	07/03/2001
6255449	Fluorene-containing polymers and compounds useful in the preparation thereof A compound of the formula: ##STR1## and compound of the formulas: ##STR2## wherein R1 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl containing one or more S, N, O, P or Si atoms, C4-1...	07/03/2001
6169163	Fluorene-containing polymers and compounds useful in the preparation thereof A compound of the formula: ##STR1## and compounds of the formulas: ##STR2## wherein R1 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl containing one or more S, N, O, P or Si atoms, C4-...	01/02/2001
6107452	Thermally and/or photochemically crosslinked electroactive polymers in the manufacture of opto-electronic devices Preparation of thermally and/or photochemically crosslinkable oligomeric precursors and the use of those oligomeric precursors in preparing crosslinked electroactive polymers are described. The oligomers, polymers, and synthetic methods find utility in th...	08/22/2000
5962631	2, 7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers The invention relates to 2,7-substituted-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers. The fluorenes, oligomers and polymers are substituted at the 9-position with two hydrocarbyl moieties which may optionally contain one or m...	10/05/1999
5900327	Polyfluorenes as materials for photoluminescence and electroluminescence Fluorenes and polyfluorenes having one or two polar-group-containing alkyl substituents on their "9" carbon methylenes are disclosed together with the polymers' use as luminescent materials in organic light-emitting diodes and light-emitting electrochemic...	05/04/1999
5777070	Process for preparing conjugated polymers A process for preparing conjugated polymers which comprises contacting (i) monomers having two reactive groups selected from boronic acid, C1 -C6 boronic acid ester, C1 -C6 borane, and combinations thereof, with...	07/07/1998
5708130	2,7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers The invention relates to 2,7-substituted-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers. The fluorenes, oligomers and polymers are substituted at the 9-position with two hydrocarbyl moieties which may optionally contain one or m...	01/13/1998
5621131	Conjugated polymers having spiro centers and their use as electroluminescence materials Conjugated polymers comprising recurring units of the formula (I), ##STR1## A, B, C, D are identical or different and are each from one to fifteen identical or different arylene and/or heteroarylene and/or vinylene groups which, like the spirobifluor...	04/15/1997

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Class 257/E51.032 - Polyflurorene and derivative (EPO)