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Class Information
Number: 257/E51.027
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Organic solid state devices, processes or apparatus peculiar to manufacture or treatment of such devices or of parts thereof > Selection of material for organic solid-state device (epo) > Organic polymer or oligomer (epo)
Description: This subclass is indented under subclass E51.024. This subclass is substantially the same in scope as ECLA classification H01L51/30D.










Sub-classes under this class:

Class Number Class Name Patents
257/E51.033 Comprising aliphatic or olefinic chains (e.g., polyn-vinylcarbazol, pvc, ptfe) (epo) 105
257/E51.028 Comprising aromatic, heteroaromatic, or arrylic chains (e.g., polyaniline, polyphenylene, polyphenylene vinylene) (epo) 337
257/E51.036 Copolymers (epo) 210
257/E51.037 Ladder-type polymer (epo) 34


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8692239 Organic light emitting display device Apr. 8, 2014
8692241 Transition metal complexes containing triazole and tetrazole carbene ligands Apr. 8, 2014
8685780 Method for manufacturing flexible organic thin film solar cell by ion beam treatment and solar cell manufactured by the same Apr. 1, 2014
8664669 Organic EL element, display apparatus, and light-emitting apparatus Mar. 4, 2014
8586975 Photoelectric conversion element, method for manufacturing photoelectric conversion element, and electronic apparatus Nov. 19, 2013
8586969 Organic EL device Nov. 19, 2013
8546791 Electro-optic diode devices Oct. 1, 2013
8546796 Semiconductor device, method of manufacturing the same, and method of forming multilayer semiconductor thin film Oct. 1, 2013
8530269 Manufacture of a polymer device Sep. 10, 2013
8525155 Phosphonium ionic liquids, compositions, methods of making and electronic devices formed there from Sep. 3, 2013
8519077 N-type conjugated compounds containing diborylene units, methods of making, and a device comprising the compound Aug. 27, 2013
8512879 Polymer for optoelectronic device Aug. 20, 2013
8513877 Anthracene polymer compound and light emitting device using the same Aug. 20, 2013
8507901 Organic material and electrophotographic device Aug. 13, 2013
8497495 Electroactive materials Jul. 30, 2013
8487298 Organic semiconductor transistor Jul. 16, 2013
8466460 Fused bithiophene-vinylene polymers Jun. 18, 2013
8461573 Organic thin film devices with stabilized threshold voltage and mobility, and method for preparing the devices Jun. 11, 2013
8450605 Photoelectric conversion device and method for making the same May. 28, 2013
8445894 Organic thin film transistor May. 21, 2013
8445900 Organic eletroluminescent element including polyester electronic material and display device including the same May. 21, 2013
8441006 Cyclic carbosilane dielectric films May. 14, 2013
8436340 Cross-point cell nanoarray with anisotropic active organic layer May. 7, 2013
8405071 Organic semiconductor polymer and transistor including the same Mar. 26, 2013
8384066 Polymer light-emitting device, polymer compound, composition, liquid composition, and conductive thin film Feb. 26, 2013
8373160 Electrophotographic photoreceptor, process cartridge image forming apparatus, and cured film Feb. 12, 2013
8373161 Organic thin film transistor Feb. 12, 2013
8350254 Multilayer polymer electroluminescent device comprising water-soluble polymer layer containing cations and method for fabricating the same Jan. 8, 2013
8334456 Conjugated polymers and their use in optoelectronic devices Dec. 18, 2012
8330148 Electric organic component and method for the production thereof Dec. 11, 2012
8330142 Quantum dot light emitting device having quantum dot multilayer Dec. 11, 2012
8329505 Method for deposition of cathodes for polymer optoelectronic devices Dec. 11, 2012
8324614 Electroluminescent devices employing organic cathodes Dec. 4, 2012
8313978 Organic semiconductor copolymers containing oligothiophene and n-type heteroaromatic units Nov. 20, 2012
8309394 Method of making N-type semiconductor devices Nov. 13, 2012
8304761 Organic field effect transistor and making method Nov. 6, 2012
8289677 Conductive polymer suspension and method for producing the same, conductive polymer material, electrolytic capacitor, and solid electrolytic capacitor and method for producing the same Oct. 16, 2012
8279582 Conductive polymer suspension and method for producing the same, conductive polymer material, electrolytic capacitor, and solid electrolytic capacitor and method for producing the same Oct. 2, 2012
8273599 Enhancing performance characteristics of organic semiconducting films by improved solution processing Sep. 25, 2012
8247265 Method for manufacturing optoelectronic memory device Aug. 21, 2012
8247802 Memory element and semiconductor device Aug. 21, 2012
8232550 Mixed solvent systems for deposition of organic semiconductors Jul. 31, 2012
8222635 Method for manufacturing an organic light emitting device as well as such a device Jul. 17, 2012
8212243 Organic semiconducting compositions and N-type semiconductor devices Jul. 3, 2012
8212240 Line element and method of manufacturing line element Jul. 3, 2012
8207524 Insulating layer, electronic device, field effect transistor, and polyvinylthiophenol Jun. 26, 2012
8193555 Image and light sensor chip packages Jun. 5, 2012
8183564 Multicolor display apparatus May. 22, 2012
8183560 Light-emitting device May. 22, 2012
8178866 Optoelectronic memory device and method for manufacturing and measuring the same May. 15, 2012

1 2 3










 
 
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