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Yiliang Wu, Oakville CA

Yiliang Wu, Oakville CA

Patent application numberDescriptionPublished
20090114909DEVICE CONTAINING POLYMER HAVING INDOLOCARBAZOLE- REPEAT UNIT AND DIVALENT LINKAGE - An electronic device comprising a polymer comprising at least one type of repeat unit comprising at least one type of an optionally substituted indolocarbazole moiety and at least one divalent linkage.05-07-2009
20090124788POLYMER HAVING THIENO[3,2-b] THIOPHENE MOIETIES - A polymer comprising one or more types of repeat units, wherein the polymer includes a substituted thieno[3,2-b]thiophene component A and a different component B in the same type of repeat unit or in different types of repeat units, and wherein the polymer excludes a substituted or unsubstituted thieno[2,3-b]thiophene moiety. The polymer can be used as a semiconductor in electronics such as in organic thin film transistors.05-14-2009
20100140555POLYTHIOPHENES AND ELECTRONIC DEVICES COMPRISING THE SAME - Disclosed are semiconducting polythiophenes comprising a repeating unit of Formula (A) or a copolythiophene of Formula (B):06-10-2010
20100140593ORGANIC THIN-FILM TRANSISTORS - A thin-film transistor has a semiconducting layer which comprises a halogen-coordinated metal phthalocyanine complex of Formula (I) or Formula (II):06-10-2010
20100140705DIELECTRIC STRUCTURE HAVING LOWER-K AND HIGHER-K MATERIALS - An electronic device including in any sequence: (a) a semiconductor layer; and (b) a dielectric structure comprising a lower-k dielectric polymer and a higher-k dielectric polymer, wherein the lower-k dielectric polymer is in a lower concentration than the higher-k dielectric polymer in a region of the dielectric structure closest to the semiconductor layer.06-10-2010
20100143591SILVER NANOPARTICLE INK COMPOSITION - An ink composition comprises silver nanoparticles, hydrocarbon solvent, and an alcohol co-solvent. The ink composition is suitable for printing conductive lines that are uniform, smooth, and narrow on various substrate surfaces.06-10-2010
20100151633PROCESSES FOR FORMING CHANNELS IN THIN-FILM TRANSISTORS - Methods for consistently reproducing channels of small length are disclosed. An ink composition comprising silver nanoparticles and a surface modification agent is used. The surface modification agent may also act as a stabilizer for the nanoparticles. A first line is printed which forms a modified region around the first line. A second line is printed, which is repelled from the modified region. As a result, a channel between the first line and the second line is formed.06-17-2010
20100224837FEATURE FORMING PROCESS USING ACID-CONTAINING COMPOSITION - A process including: (a) forming a feature comprising uncoalesced silver-containing nanoparticles; (b) heating the uncoalesced silver-containing nanoparticles to form coalesced silver-containing nanoparticles wherein the feature comprising the coalesced silver-containing nanoparticles exhibits a low electrical conductivity; and (c) subjecting the coalesced silver-containing nanoparticles to an acid-containing composition to increase the electrical conductivity of the feature by at least about 100 times.09-09-2010
20100226811FEATURE FORMING PROCESS USING PLASMA TREATMENT - A process comprising: (a) forming a feature comprising uncoalesced silver-containing nanoparticles; (b) heating the uncoalesced silver-containing nanoparticles to form coalesced silver-containing nanoparticles; and (c) subjecting to a plasma treatment the uncoalesced silver-containing nanoparticles or the coalesced silver-containing nanoparticles, or both the uncoalesced silver-containing nanoparticles and the coalesced silver-containing nanoparticles, wherein the feature prior to the action (c) exhibits a low electrical conductivity but the electrical conductivity of the feature subsequent to the actions (b) and (c) is increased by at least about 100 times, wherein the action (c) is undertaken during one or more of prior to the heating, or during the heating, or after the heating.09-09-2010
20100239750LOW POLARITY NANOPARTICLE METAL PASTES FOR PRINTING APPLICATION - A composition that may be used to form an electronic circuit element includes metal nanoparticles in a metal nanoparticle solution, at least a low-polarity additive and a solvent. The low-polarity additive is either a styrenated terpene resin or a polyterpene resin. The composition may be used to form conductive features on a substrate by depositing the composition onto a substrate, and heating the deposited composition on the substrate to a temperature from about 80° C. to about 200° C. to form conductive features on the substrate.09-23-2010
20100247783LOW POLARITY NANO SILVER GELS - A composition that includes an stabilized silver nanoparticles, a gellant and an optional wax. The gellant and the stabilized silver nanoparticles are soluble or dispersable in either an isoparaffinic hydrocarbon solvent, a mineral oil solvent or an alkane solvent.09-30-2010
20100301344DIELECTRIC LAYER FOR AN ELECTRONIC DEVICE - A dielectric layer for an electronic device, such as a thin-film transistor, is provided. The dielectric layer comprises a molecular glass. The resulting dielectric layer is very thin, pure, and stable. Processes and compositions for fabricating such a dielectric layer are also disclosed.12-02-2010
20110031475Semiconductor Composition - A semiconducting liquid composition including a semiconducting material comprising a compound of the formula disclosed herein, a liquid vehicle, a solubility promoter that enhances solubility of the semiconducting polymer; and an optional crystallization inhibitor.02-10-2011
20110039096NEW PROCESS TO FORM HIGHLY CONDUCTIVE FEATURE FROM SILVER NANOPARTICLES WITH REDUCED PROCESSING TEMPERATURE - Exemplary embodiments provide materials and methods for forming highly-conductive features including stabilized silver-containing nanoparticles at low processing temperatures of no more than about 140° C.02-17-2011
20110050803SELF-ASSEMBLY MONOLAYER MODIFIED PRINTHEAD - Described herein are printheads for inkjet printing and, more specifically, printheads modified with a self-assembly monolayer (SAM). Also described are processes for making and using the printheads as well as processes for forming patterns and images on a substrate including jetting inkjet inks or jettable materials using a printhead for inkjet printing that has been modified with a self-assembly monolayer.03-03-2011
20110059233Method For Preparing Stabilized Metal Nanoparticles - A process for preparing stabilized metal nanoparticles, the process comprising reacting a metal compound with a reducing agent in the presence of a stabilizer in a reaction mixture comprising the metal compound, the reducing agent, and the stabilizer, wherein the reaction mixture is substantially free of solvent, to form a plurality of metal-containing nanoparticles during the solvent-free reduction process with molecules of the stabilizer on the surface of the metal-containing nanoparticles.03-10-2011
20110084252ELECTRONIC DEVICE - Electronic devices, such as organic thin film transistors, with improved mobility are disclosed. The semiconducting layer comprises layers or striations of an organic semiconductor and graphene, including alternating layers/striations of such materials. The organic semiconductor and graphene layers interact well together because both materials form lamellar sheets. The presence of graphene enhances mobility by correcting molecular packing defects in the organic semiconductor layers, and the conductivity of graphene can be controlled. Finally, both materials are flexible, allowing for flexible semiconductor layers and transistors.04-14-2011
20110086994METHODS FOR PREPARING BENZODITHIOPHENES - Methods of adding substituents to a benzodithiophene are disclosed. A benzodithiophene is reacted with a reagent to directly add the substituent to the benzene core of the benzodithiophene. This method eliminates steps from prior process and eliminates the need for hydrogenation, allowing for a safer and more scaleable process. The resulting benzodithiophenes are suitable for use in semiconductor polymers and have no loss of performance.04-14-2011
20110135808ULTRA LOW MELT METAL NANOPARTICLE COMPOSITION FOR THICK-FILM APPLICATIONS - A method of forming conductive features on a substrate, the method includes reacting a metal compound with a reducing agent in the presence of a stabilizer in a reaction mixture comprising the metal compound, the reducing agent, and the stabilizer, wherein the reaction mixture is substantially free of solvent, to form a plurality of metal nanoparticles with molecules of the stabilizer on the surface of the metal nanoparticles. After isolating the plurality of metal nanoparticles, a liquid composition that includes a polymeric binder, a liquid and the plurality of metal nanoparticles with molecules of the stabilizer on the surface of the metal nanoparticles is deposited on a substrate by a liquid deposition technique to form a deposited composition. The deposited composition is then heated to form conductive features on the substrate.06-09-2011

Patent applications by Yiliang Wu, Oakville CA