Comprising Organic Gate Dielectric (epo) Patents (Class 257/E51.007)
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Patent number: 9614101Abstract: Disclosed herein is a method for manufacturing an array substrate. The method includes forming a source electrode and a drain electrode on a substrate. A semiconductor layer, an organic insulating layer, and a gate electrode layer are sequentially formed to cover the substrate, the source electrode, and the drain electrode. A patterned photoresist layer is formed on the gate electrode layer. The exposed portion of the gate electrode layer, and a portion of the organic insulative layer and a portion of the semiconductor layer thereunder are removed to form a gate electrode. An organic passivation layer is formed on the gate electrode, the source electrode, and the drain electrode. The organic passivation layer has a contact window to expose a portion of the drain electrode. A pixel electrode is formed on the organic passivation layer and the exposed portion of the drain electrode.Type: GrantFiled: September 4, 2015Date of Patent: April 4, 2017Assignee: E Ink Holdings Inc.Inventors: Wei-Chou Lan, Ted-Hong Shinn, Henry Wang, Chia-Chun Yeh
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Patent number: 9564537Abstract: Disclosed herein is a method for manufacturing an array substrate. The method includes forming a source electrode and a drain electrode on a substrate. A semiconductor layer, an organic insulating layer, and a gate electrode layer are sequentially formed to cover the substrate, the source electrode, and the drain electrode. A patterned photoresist layer is formed on the gate electrode layer. The exposed portion of the gate electrode layer, and a portion of the organic insulative layer and a portion of the semiconductor layer thereunder are removed to form a gate electrode. An organic passivation layer is formed on the gate electrode, the source electrode, and the drain electrode. The organic passivation layer has a contact window to expose a portion of the drain electrode. A pixel electrode is formed on the organic passivation layer and the exposed portion of the drain electrode.Type: GrantFiled: September 21, 2015Date of Patent: February 7, 2017Assignee: E Ink Holdings Inc.Inventors: Wei-Chou Lan, Ted-Hong Shinn, Henry Wang, Chia-Chun Yeh
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Patent number: 9018740Abstract: A field effect transistor (1) including: a semiconducting substrate (2) having two areas doped with electric charge carriers forming a source area (3) and a drain area (4), respectively; a dielectric layer positioned above the semiconducting substrate (2) between the source (3) and the drain (4) and forming the gate dielectric (9) of the field effect transistor (1); a gate (11) consisting of a reference electrode (8) and of a conductive solution (10), the solution (10) being in contact with the gate dielectric (9); and the gate dielectric (9) consists of a layer of lipids (13) in direct contact with the semiconducting layer (2). The invention also relates to a method for manufacturing such a field effect transistor (1) is disclosed.Type: GrantFiled: November 30, 2012Date of Patent: April 28, 2015Assignee: Centre National de la Recherche Scientifique (C.N.R.S)Inventors: Anne Charrier, Hervé Dallaporta, Tuyen Nguyen Duc
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Patent number: 8999776Abstract: Thin-film transistors and techniques for forming thin-film transistors (TFT). In some embodiments, there is provided a method of forming a TFT, comprising forming a body region of the TFT comprising an organic semiconducting material, and forming a protective layer comprising an organic insulating material. Forming the protective layer comprises contacting the body region of the TFT with a solution comprising the organic insulating material. The organic insulating material is a material that phase separates with the organic semiconducting material when the solution contacts the organic semiconducting material. In other embodiments, there is provided an apparatus comprising a TFT.Type: GrantFiled: August 27, 2014Date of Patent: April 7, 2015Assignee: Sony CorporationInventor: Akihiro Nomoto
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Patent number: 8963126Abstract: Hybrid semiconducting-dielectric materials and electronic or electro-optic devices using the hybrid semiconducting-dielectric materials. Hybrid semiconducting-dielectric materials comprise molecules that have a core section that provides an n-type semiconducting property and side chains that provide a dielectric property to a layer of hybrid semiconducting-dielectric material. Specific hybrid semiconducting-dielectric materials include tetracarboxylic diimide compounds having sidechains comprising fluorine substituted aliphatic or aromatic moieties linked to the tetracarboxylic diimide structure by an alkylene or heteroalkylene linking group.Type: GrantFiled: January 7, 2009Date of Patent: February 24, 2015Assignee: The Johns Hopkins UniversityInventors: Howard Edan Katz, Bhola Nath Pal, Kevin Cua See, Byung Jun Jung
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Patent number: 8907325Abstract: A thin film transistor disposed on a substrate is provided. The thin film transistor includes a gate, a semi-conductive layer, a gate insulator, a source and a drain. The gate insulator is located between the gate and the semi-conductive layer. A light shows a specific color after passing through the gate insulator. The source and the drain are disposed on the semi-conductive layer. A pixel structure and a liquid crystal display panel having the pixel structure are also provided. The liquid crystal display panel can display colorful images without disposing a color filter array additionally so that the manufacturing process of the liquid crystal panel is simple and the manufacturing cost of the liquid crystal panel is low.Type: GrantFiled: October 26, 2007Date of Patent: December 9, 2014Assignee: Au Optronics CorporationInventors: Chiao-Shun Chuang, Fang-Chung Chen, Han-Ping David Shieh
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Patent number: 8901549Abstract: The present invention provides an organic light emitting diode touch display panel including a substrate, a plurality of first electrodes and a plurality of second electrodes disposed on the substrate, a plurality of light emitting layers, a plurality of dielectric layers, a plurality of first electrode stripes, and a plurality of second stripes. Each light emitting layer is disposed on each first electrode, and each dielectric layer is disposed on each second electrode. Each first electrode stripe is disposed on the light emitting layers in each row, and each second electrode stripe is disposed on the dielectric layers in each row. Each first electrode, each light emitting layer and each first electrode stripe form an organic light emitting diode, and each second electrode, each dielectric layer and each second electrode stripe form a touch sensing capacitor.Type: GrantFiled: July 1, 2013Date of Patent: December 2, 2014Assignee: HannStar Display Corp.Inventors: Chien-Hsiang Huang, Kun-Hua Tsai, Jun-Shih Chung, Chun-Hsi Chen
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Patent number: 8896071Abstract: A technique for isolating electrodes on different layers of a multilayer electronic device across an array containing more than 100000 devices on a plastic substrate. The technique comprises depositing a bilayer of a first dielectric layer (6) of a solution-processible polymer dielectric and a layer of parylene (9) to isolate layers of conductor or semiconductor on different levels of the device. The density of defects located in the active area of one of the multilayer electronic devices is typically more than 1 in 100000.Type: GrantFiled: May 12, 2008Date of Patent: November 25, 2014Assignee: Plastic Logic LimitedInventors: Timothy Von Werne, Catherine Mary Ramsdale, Henning Sirringhaus
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Patent number: 8866132Abstract: Thin-film transistors and techniques for forming thin-film transistors (TFT). In some embodiments, there is provided a method of forming a TFT, comprising forming a body region of the TFT comprising an organic semiconducting material, and forming a protective layer comprising an organic insulating material. Forming the protective layer comprises contacting the body region of the TFT with a solution comprising the organic insulating material. The organic insulating material is a material that phase separates with the organic semiconducting material when the solution contacts the organic semiconducting material. In other embodiments, there is provided an apparatus comprising a TFT.Type: GrantFiled: November 8, 2012Date of Patent: October 21, 2014Assignee: Sony CorporationInventor: Akihiro Nomoto
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Patent number: 8853017Abstract: An organic thin film transistor is disclosed, including a substrate formed of an organic insulating layer, a first layer deposited on the substrate using a plating technique to be used for forming a source electrode and a drain electrode, a second layer of a metal material deposited covering the first layer using a further plating technique to be used for forming the source electrode and the drain electrode with the metal material capable of forming an ohmic contact with an organic semiconductor material lower than the first layer, and an organic semiconductor layer over a region between the source electrode and the drain electrode, which are each formed with the first layer and the second layer. Also disclosed is an electric device provided with the organic thin film transistor.Type: GrantFiled: July 28, 2009Date of Patent: October 7, 2014Assignee: Sony CorporationInventors: Kazumasa Nomoto, Nobuhide Yoneya, Takahiro Ohe
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Patent number: 8835909Abstract: Thin-film transistors are made using an organosilicate glass (OSG) as an insulator material. The organosilicate glasses may be SiO2-silicone hybrid materials deposited by plasma-enhanced chemical vapor deposition from siloxanes and oxygen. These hybrid materials may be employed as the gate dielectric, as a subbing layer, and/or as a back channel passivating layer. The transistors may be made in any conventional TFT geometry.Type: GrantFiled: July 30, 2009Date of Patent: September 16, 2014Assignee: The Trustees of Princeton UniversityInventors: Lin Han, Prashant Mandlik, Sigurd Wagner
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Patent number: 8835915Abstract: An assembly includes a dielectric layer in contact with a semiconductor layer. The dielectric layer includes a crosslinked polymeric material having isocyanurate groups, wherein the dielectric layer is free of zirconium oxide particles. The semiconductor layer includes a non-polymeric organic semiconductor material, and is substantially free of electrically insulating polymer. Electronic components and devices including the assembly are also disclosed.Type: GrantFiled: November 17, 2011Date of Patent: September 16, 2014Assignee: 3M Innovative Properties CompanyInventors: Robert S. Clough, James C. Novack, David H. Redinger, Guoping Mao, Michael E. Griffin
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Patent number: 8816363Abstract: A method of manufacturing an organic light-emitting element. A first layer is formed above a substrate, and exhibits hole injection properties. A bank material layer is formed above the first layer using a bank material. Banks are formed by patterning the bank material layer, and forming a resin film on a surface of the first layer by attaching a portion of the bank material layer to the first layer, the banks defining apertures corresponding to light-emitters, the resin material being the same as the bank material. A functional layer is formed by applying ink to the apertures that contacts the resin film. The ink contains an organic material. The functional layer includes an organic light-emitting layer. A second layer is formed above the functional layer and exhibits electron injection properties. The hole injection properties of the first layer are then degraded by applying electrical power to an element structure.Type: GrantFiled: January 30, 2012Date of Patent: August 26, 2014Assignee: Panasonic CorporationInventors: Takashi Isobe, Kosuke Mishima, Kaori Akamatsu, Satoru Ohuchi
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Patent number: 8779415Abstract: Organic polymeric multi-metallic alkoxide or aryloxide composites are used as dielectric materials in various devices with improved properties such as improved mobility. These composites comprise an organic polymer comprising metal coordination sites, and multi-metallic alkoxide or aryloxide molecules that are coordinated with the organic polymer, the multi-metallic alkoxide or aryloxide molecules being represented by: (M)n(OR)x wherein at least one M is a metal selected from Group 2 of the Periodic Table and at least one other M is a metal selected from any of Groups 3 to 12 and Rows 4 and 5 of the Periodic Table, n is an integer of at least 2, R represents the same or different alkyl or aryl groups, and x is an integer of at least 2.Type: GrantFiled: November 8, 2012Date of Patent: July 15, 2014Assignee: Eastman Kodak CompanyInventors: Deepoak Shukla, Dianne M. Meyer
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Patent number: 8759823Abstract: A fabricating method of an array substrate includes forming source and drain electrodes in each of pixel regions on a substrate; forming an organic semiconductor layer and a gate insulating layer on the source and drain electrodes, the organic semiconductor layer having an island shape and contacting facing ends of the source and drain electrodes, the gate insulating layer having a same plane shape as the organic semiconductor layer; forming a first passivation layer on the gate insulating layer; forming a gate electrode on the first passivation layer in the pixel region, the gate electrode corresponding to the gate insulating layer; forming a second passivation layer on the gate electrode, the second passivation layer having a drain contact hole exposing the drain electrode; and forming a pixel electrode on the second passivation layer, the pixel electrode contacting the drain electrode through the drain contact hole.Type: GrantFiled: December 6, 2012Date of Patent: June 24, 2014Assignee: LG Display Co., Ltd.Inventor: Jung-Eun Lee
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Patent number: 8748960Abstract: A multi-layer integrated circuit package includes a switched-mode power supply circuit including a plurality of transistors which form part of a main current loop of the switched-mode power supply circuit. The plurality of transistors are arranged in one or more layers of the integrated circuit package. The package further includes a conductive plate arranged in a different layer of the integrated circuit package than the plurality of transistors. The conductive plate is in close enough proximity to at least part of the main current loop so that a current can be electromagnetically induced in the conductive plate responsive to a change in current in the main current loop.Type: GrantFiled: December 21, 2012Date of Patent: June 10, 2014Assignee: Infineon Technologies AGInventor: Jens Ejury
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Patent number: 8748872Abstract: The present invention relates to an organic transistor comprising a conductive element which forms a drain; a conductive element which forms a source located away from the drain; a conductive element which forms a gate having a surface which faces the drain and a surface which faces the source; a semiconducting layer which is in contact with the drain and the source; and a dielectric layer located between, firstly, the gate and, secondly, the source and the drain with the dielectric layer having a dielectric permittivity which varies depending on its thickness. According to the invention, the dielectric layer comprises a layer of a first dielectric material having a dielectric permittivity of less than four in which there is formed, at least between said opposite-facing surfaces, a volume of a second material, said volume having an overall cross-section which tapers from gate towards the space between drain and source and in that the relative dielectric permittivity of the second material exceeds four.Type: GrantFiled: June 24, 2009Date of Patent: June 10, 2014Assignee: Commissariat Ă l'Energie AtomiqueInventors: Mohamed Benwadih, Christophe Serbutoviez
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Patent number: 8741672Abstract: Exemplary embodiments of the invention disclose a method of manufacturing a thin film transistor array panel having reduced overall processing time and providing a uniform crystallization. Exemplary embodiments of the invention also disclose a crystallization method of a thin film transistor, including forming on a substrate a semiconductor layer including a first pixel area, a second pixel area, and a third pixel area. The crystallization method includes crystallizing a portion of the semiconductor layer corresponding to a channel region of a thin film transistor using a micro lens array.Type: GrantFiled: June 27, 2012Date of Patent: June 3, 2014Assignee: Samsung Display Co., Ltd.Inventors: Joo-Han Kim, Hwa-Dong Jung, Wan-Soon Lim, Jee-Hun Lim, Joo Seok Yeom, Tae-Kyung Yim, Jae-Hak Lee, Hyuk Soon Kwon, Hyoung Cheol Lee, Jeong-Ju Park, Se-Myung Kwon, So-Young Koo
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Patent number: 8742409Abstract: The present invention provides a method of manufacturing a thin film transistor of a top-contact structure with suppressed deterioration by a process which is easy and suitable for increase in area without damaging an organic semiconductor pattern. The organic semiconductor pattern is formed on a substrate. An electrode material film is formed on the substrate so as to cover the organic semiconductor pattern. A resist pattern is formed on the electrode material film. By wet etching using the resist pattern as a mask, the electrode material film is patterned. By the process, a source electrode and a drain electrode are formed.Type: GrantFiled: March 1, 2013Date of Patent: June 3, 2014Assignee: Sony CorporationInventors: Mao Katsuhara, Nobuhide Yoneya
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Publication number: 20140124741Abstract: Organic polymeric multi-metallic alkoxide or aryloxide composites are used as dielectric materials in various devices with improved properties such as improved mobility. These composites comprise an organic polymer comprising metal coordination sites, and multi-metallic alkoxide or aryloxide molecules that are coordinated with the organic polymer, the multi-metallic alkoxide or aryloxide molecules being represented by: (M)n(OR)x wherein at least one M is a metal selected from Group 2 of the Periodic Table and at least one other M is a metal selected from any of Groups 3 to 12 and Rows 4 and 5 of the Periodic Table, n is an integer of at least 2, R represents the same or different alkyl or aryl groups, and x is an integer of at least 2.Type: ApplicationFiled: November 8, 2012Publication date: May 8, 2014Inventors: Deepak Shukla, Dianne M. Meyer
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Patent number: 8546796Abstract: A semiconductor device including a gate electrode, a gate insulating layer, source/drain electrodes, and a channel-forming region that are disposed on a base is provided. The method includes the steps of forming a thin film by application of a mixed solution including a polymeric insulating material and a dioxaanthanthrene compound represented by structural formula (1) below; and subsequently drying the thin film to induce phase separation of the polymeric insulating material and the dioxaanthanthrene compound, thereby forming the gate insulating layer from the polymeric insulating material and the channel-forming region from the dioxaanthanthrene compound: wherein at least one of R3 and R9 represents a substituent other than hydrogen.Type: GrantFiled: February 20, 2013Date of Patent: October 1, 2013Assignee: Sony CorporationInventors: Norihito Kobayashi, Mari Sasaki, Takahiro Ohe
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Patent number: 8513653Abstract: An electronic device, a transparent display and methods for fabricating the same are provided, the electronic device including a first, a second and a third element each formed of a two-dimensional (2D) sheet material. The first, second, and third elements are stacked in a sequential order or in a reverse order. The second element is positioned between the first element and the third element. The second element has an insulator property, the first and third elements have a metal property or a semiconductor property.Type: GrantFiled: September 7, 2010Date of Patent: August 20, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Yun-sung Woo, Sun-ae Seo, Dong-chul Kim, Hyun-jong Chung
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Patent number: 8497494Abstract: An organic thin film transistor includes source and drain electrodes spaced apart from each other on a substrate, an organic semiconductor layer between the source and drain electrodes on the substrate, a gate insulating layer including an organic insulating material on the organic semiconductor layer, the gate insulating layer having a thickness of about 1,800 ? to about 2,500 ?, and a gate electrode on the gate insulating layer.Type: GrantFiled: May 11, 2007Date of Patent: July 30, 2013Assignee: LG Display Co., Ltd.Inventor: Dae-Won Kim
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Patent number: 8399288Abstract: A method of manufacturing a semiconductor device including a gate electrode, a gate insulating layer, source/drain electrodes, and a channel-forming region that are disposed on a base is provided. The method includes the steps of forming a thin film by application of a mixed solution including a polymeric insulating material and a dioxaanthanthrene compound represented by structural formula (1) below; and subsequently drying the thin film to induce phase separation of the polymeric insulating material and the dioxaanthanthrene compound, thereby forming the gate insulating layer from the polymeric insulating material and the channel-forming region from the dioxaanthanthrene compound: wherein at least one of R3 and R9 represents a substituent other than hydrogen.Type: GrantFiled: August 2, 2010Date of Patent: March 19, 2013Assignee: Sony CorporationInventors: Norihito Kobayashi, Mari Sasaki, Takahiro Ohe
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Publication number: 20130062608Abstract: A thin-film transistor includes: a gate electrode; a semiconductor layer separated from the gate electrode with a separation insulating layer in between; and a source electrode and a drain electrode that are connected with the semiconductor layer and are separated from each other. Between the source electrode and the drain electrode, a thickness of the separation insulating layer at a first region where the gate electrode does not overlap both the source electrode and the drain electrode is smaller than a thickness of the separation insulating layer at a second region where the gate electrode overlaps one or both of the source electrode and the drain electrode.Type: ApplicationFiled: September 6, 2012Publication date: March 14, 2013Applicant: SONY CORPORATIONInventor: Nobukazu Hirai
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Patent number: 8395147Abstract: The present invention provides a method of manufacturing a thin film transistor of a top-contact structure with suppressed deterioration by a process which is easy and suitable for increase in area without damaging an organic semiconductor pattern. The organic semiconductor pattern is formed on a substrate. An electrode material film is formed on the substrate so as to cover the organic semiconductor pattern. A resist pattern is formed on the electrode material film. By wet etching using the resist pattern as a mask, the electrode material film is patterned. By the process, a source electrode and a drain electrode are formed.Type: GrantFiled: April 17, 2012Date of Patent: March 12, 2013Assignee: Sony CorporationInventors: Mao Katsuhara, Nobuhide Yoneya
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Patent number: 8373161Abstract: Disclosed herein are a method for fabricating an organic thin film transistor, including treating the surfaces of a gate insulating layer and source/drain electrodes with a self-assembled monolayer (SAM)-forming compound through a one-pot reaction, and an organic thin film transistor fabricated by the method. According to example embodiments, the surface-treatment of the gate insulating layer and the source/drain electrodes may be performed in a single vessel through a single process.Type: GrantFiled: January 9, 2012Date of Patent: February 12, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Do Hwan Kim, Hyun Sik Moon, Byung Wook Yoo, Sang Yoon Lee, Bang Lin Lee, Jeong Il Park, Eun Jeong Jeong
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Patent number: 8367459Abstract: A method is provided for preparing an interface surface for the deposition of an organic semiconductor material, in the fabrication of an organic thin film transistor (OTFT). A substrate is provided and a gate electrode is formed overlying the substrate. A gate dielectric is formed overlying the gate electrode. Then, source (S) and drain (D) electrodes are formed overlying the gate dielectric, exposing a gate dielectric channel interface region between the S/D electrodes. Subsequent to exposing the OTFT to a H2 or N2 plasma, a self-assembled organic monolayer is formed overlying the S/D electrodes. Finally, an active organic semiconductor layer is formed over the S/D electrodes and gate dielectric channel interface. The OTFT may be exposed to plasma either before or after the formation of the S/D electrodes.Type: GrantFiled: December 14, 2010Date of Patent: February 5, 2013Assignee: Sharp Laboratories Of America, Inc.Inventors: Lisa H. Stecker, Kanan Puntambekar, Kurt Ulmer
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Patent number: 8362540Abstract: A multi-layer integrated circuit package includes a switched-mode power supply circuit including a plurality of transistors which form part of a main current loop of the switched-mode power supply circuit. The plurality of transistors are arranged in one or more layers of the integrated circuit package. The package further includes a conductive plate arranged in a different layer of the integrated circuit package than the plurality of transistors. The conductive plate is in close enough proximity to at least part of the main current loop so that a current can be electromagnetically induced in the conductive plate responsive to a change in current in the main current loop.Type: GrantFiled: September 22, 2010Date of Patent: January 29, 2013Assignee: Infineon Technologies AGInventor: Jens Ejury
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Patent number: 8304761Abstract: In an organic field effect transistor with an electrical conductor-insulator-semiconductor structure, the semiconductor layer is made of an organic compound, and the insulator layer is made of a polymer obtained through polymerization or copolymerization of 2-cyanoethyl acrylate and/or 2-cyanoethyl methacrylate.Type: GrantFiled: March 25, 2008Date of Patent: November 6, 2012Assignees: Osaka University, Shin-Etsu Chemical Co., Ltd.Inventors: Masateru Taniguchi, Tomoji Kawai, Hideyuki Kawaguchi, Ikuo Fukui
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Patent number: 8298880Abstract: Method for manufacturing a semiconductor device, which may include (a) forming a coating film on a substrate by applying a coating liquid including a polymer conductive material dissolved in an insulating solvent on the substrate after the step (a); (b) heat-treating the coating film; and (c) forming, before or after the steps (a) and (b), a gate electrode on the substrate. Herein, a surface layer portion is an insulating layer, and an inner layer portion is an organic semiconductor layer, and the surface layer portion and the inner layer portion are formed separate from each other to allow the surface layer portion and the inner layer portion to be used as a gate insulating film and a channel of a field-effect transistor, respectively.Type: GrantFiled: September 3, 2008Date of Patent: October 30, 2012Assignee: Tokyo Electron LimitedInventor: Hiroshi Sato
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Patent number: 8273460Abstract: Disclosed are a composition comprising an organic insulating polymer in which a photo-reactive functional group showing an increased crosslinking degree is introduced into a side-chain, an organic insulating film comprising the composition, an organic thin film transistor (OTFT) comprising the organic insulating film, an electronic device comprising the organic thin film transistor and methods of fabricating the organic insulating film, the organic thin film transistor and the electronic device. The OTFT comprising the organic insulating film of example embodiments may not show any hysteresis during the driving of the OTFT, and therefore, may exhibit a homogeneous property.Type: GrantFiled: April 6, 2007Date of Patent: September 25, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Eun Kyung Lee, Joo Young Kim, Sang Yoon Lee, Jung Seok Hahn
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Publication number: 20120223293Abstract: Biodegradable electronic devices may include a biodegradable semiconducting material and a biodegradable substrate layer for providing mechanical support to the biodegradable semiconducting material.Type: ApplicationFiled: January 4, 2008Publication date: September 6, 2012Inventors: Jeffrey T. Borenstein, Chris Bettinger, Robert Langer, David Kaplan
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Patent number: 8253133Abstract: The present invention provides a method of manufacturing a thin film transistor of a top-contact structure with suppressed deterioration by a process which is easy and suitable for increase in area without damaging an organic semiconductor pattern. The organic semiconductor pattern is formed on a substrate. An electrode material film is formed on the substrate so as to cover the organic semiconductor pattern. A resist pattern is formed on the electrode material film. By wet etching using the resist pattern as a mask, the electrode material film is patterned. By the process, a source electrode and a drain electrode are formed.Type: GrantFiled: July 5, 2011Date of Patent: August 28, 2012Assignee: Sony CorporationInventors: Mao Katsuhara, Nobuhide Yoneya
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Patent number: 8222073Abstract: A process for fabricating a thin film transistor comprising: (a) forming a gate dielectric; (b) forming a layer including a substance comprising a fluorocarbon structure; and (c) forming a semiconductor layer including a thiophene compound comprising one or more substituted thiophene units, one or more unsubstituted thiophene units, and optionally one or more divalent linkages, wherein the layer contacts the gate dielectric and is disposed between the semiconductor layer and the gate dielectric.Type: GrantFiled: August 10, 2007Date of Patent: July 17, 2012Assignee: Xerox CorporationInventors: Yiliang Wu, Ping Liu, Beng S Ong
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Patent number: 8216898Abstract: Fabrication methods for electronic devices with via through holes and thin film transistor devices are presented. The fabrication method the electronic device includes providing a substrate, forming a patterned lower electrode on the substrate, and forming a photosensitive insulating layer on the substrate covering the patterned lower electrode. A patterned optical shielding layer is applied on the photosensitive insulating layer. Exposure procedure is performed curing the exposed photosensitive insulating layer. The optical shielding layer and the underlying photosensitive insulating layer are sequentially removed, thereby forming an opening. A patterned upper electrode is formed on the photosensitive insulating layer filling the opening to create a conductive via hole.Type: GrantFiled: February 18, 2009Date of Patent: July 10, 2012Assignee: Industrial Technology Research InstituteInventors: Wen-Chun Chen, Kuo-Tung Lin, Yuh-Zheng Lee, Chao-Feng Sung
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Publication number: 20120138905Abstract: Provided are a flexible organic memory device and a method of manufacturing the same. The flexible organic memory device comprises a flexible substrate. A control gate electrode is disposed on the flexible substrate. A blocking organic insulating layer is disposed on the control gate electrode. A charge trapping layer is disposed on the blocking organic insulating layer, and includes a plurality of nanoparticles. A tunneling organic insulating layer is disposed on the charge trapping layer. An organic semiconductor layer is disposed on the tunneling organic insulating layer.Type: ApplicationFiled: June 20, 2011Publication date: June 7, 2012Applicant: Kookmin University Industry Academy Cooperation FoundationInventors: Jang-Sik LEE, Soo-Jin Kim
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Publication number: 20120104377Abstract: Disclosed herein are a method for fabricating an organic thin film transistor, including treating the surfaces of a gate insulating layer and source/drain electrodes with a self-assembled monolayer (SAM)-forming compound through a one-pot reaction, and an organic thin film transistor fabricated by the method. According to example embodiments, the surface-treatment of the gate insulating layer and the source/drain electrodes may be performed in a single vessel through a single process.Type: ApplicationFiled: January 9, 2012Publication date: May 3, 2012Inventors: Do Hwan KIM, Hyun Sik Moon, Byung Wook Yoo, Sang Yoon Lee, Bang Lin Lee, Jeong Il Park, Eun Jeong Jeong
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Patent number: 8134144Abstract: There is provided herein a performance-enhancing composition comprising inorganic nanoparticles dispersed in a polymer selected from the group consisting of polysiloxane, polysilsesquioxane, and mixtures thereof. This composition, when applied to a thin-film transistor, such as a bottom-gate thin-film transistor, as an overcoat or top layer, improves the carrier mobility and current on/off ratio of the thin film transistor. Also provided is the thin-film transistor produced utilizing this process and/or composition.Type: GrantFiled: December 23, 2005Date of Patent: March 13, 2012Assignee: Xerox CorporationInventors: Yiliang Wu, Jessica Sacripante, Beng S. Ong, Paul Smith
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Patent number: 8114704Abstract: Disclosed herein are a method for fabricating an organic thin film transistor, including treating the surfaces of a gate insulating layer and source/drain electrodes with a self-assembled monolayer (SAM)-forming compound through a one-pot reaction, and an organic thin film transistor fabricated by the method. According to example embodiments, the surface-treatment of the gate insulating layer and the source/drain electrodes may be performed in a single vessel through a single process.Type: GrantFiled: March 3, 2009Date of Patent: February 14, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Do Hwan Kim, Hyun Sik Moon, Byung Wook Yoo, Sang Yoon Lee, Bang Lin Lee, Jeong Il Park, Eun Jeong Jeong
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Publication number: 20120001159Abstract: Provided is an insulating layer in which an inorganic material is added to an organic polymer to thereby improve the insulating properties, an organic thin film transistor using the insulating layer, and a method of fabricating the organic thin film transistor. An insulating layer for an organic thin film transistor including a vinyl polymer and an inorganic material is provided. Here, a weight ratio of the vinyl polymer to the inorganic material may be in the range of 1:0.0001 to 1:0.5. Accordingly, it is possible to fabricate a thin film at low temperature and, further, to fabricate an insulating layer having a high-dielectric constant, not affecting other layers formed in the previous processes during the formation of the insulating layer.Type: ApplicationFiled: September 15, 2011Publication date: January 5, 2012Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Gi Heon KIM, Sung Min YOON, Kyu Ha BAEK, In Kyu YOU, Seung Youl KANG, Seong Deok AHN, Kyung Soo SUH
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Patent number: 8030644Abstract: Example embodiments of the present invention relate to an organic insulator composition, an organic insulating film having the organic insulator composition, an organic thin film transistor having the organic insulating film, an electronic device having the organic thin film transistor and methods of forming the same. Other example embodiments of the present invention relate to an organic insulator composition including a fluorinated silane compound that may be used to improve the charge carrier mobility and hysteresis of an organic thin film transistor. An organic insulator composition including a fluorinated silane compound and an organic thin film transistor using the same is provided. The hysteresis and physical properties, e.g., threshold voltage and/or charge carrier mobility, of the organic thin film transistor may be improved by the use of the organic insulator composition.Type: GrantFiled: July 7, 2006Date of Patent: October 4, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Jung Han Shin, Eun Kyung Lee, Eun Jeong Jeong, Joo Young Kim, Hyun Sik Moon, Sang Yoon Lee
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Patent number: 8030642Abstract: Provided are an organic TFT, a method of manufacturing the same, and a flat panel display having the same. The organic TFT includes source and drain electrodes formed on the surface of a substrate, an organic semiconductor layer that includes source and drain regions and a channel region, located on the source and drain electrodes, a gate electrode located above the organic semiconductor layer, and a first insulating layer located on the surface of the organic semiconductor layer, wherein a through hole is formed in at least a portion of the organic semiconductor layer and the first insulating layer, outside an active region that includes the source and drain regions and the channel region.Type: GrantFiled: November 4, 2005Date of Patent: October 4, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventor: Nam-Choul Yang
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Publication number: 20110227055Abstract: The invention relates to the use of a closed field unbalanced magnetron sputter ion plating process in the preparation of organic electronic devices or components thereof, and to organic electronic devices, or components thereof, obtainable by such a process.Type: ApplicationFiled: November 9, 2009Publication date: September 22, 2011Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Miguel Carrasco-Orozco, Paul Craig Brookes, Katie Patterson, Frank Egon Meyer, Mark James, Toby Cull, David Christoph Mueller
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Publication number: 20110227046Abstract: An organic thin film transistor (OTFT) and a metal-insulator-metal (MIM) capacitor using silk protein as a dielectric material, and methods for manufacturing the same are disclosed. The OTFT of the present invention comprises: a substrate; a gate electrode disposed on the substrate; a gate insulating layer containing silk protein, which is disposed on the substrate and covers the gate electrode; an organic semiconductor layer; and a source electrode and a drain electrode, wherein the organic semiconductor layer, the source electrode and the drain electrode are disposed over the gate insulating layer.Type: ApplicationFiled: April 15, 2010Publication date: September 22, 2011Inventors: Jenn-Chang Hwang, Chung Hwa Wang, Chao Ying Hsieh
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Patent number: 8008115Abstract: The present invention provides a method of manufacturing a thin film transistor of a top-contact structure with suppressed deterioration by a process which is easy and suitable for increase in area without damaging an organic semiconductor pattern. The organic semiconductor pattern is formed on a substrate. An electrode material film is formed on the substrate so as to cover the organic semiconductor pattern. A resist pattern is formed on the electrode material film. By wet etching using the resist pattern as a mask, the electrode material film is patterned. By the process, a source electrode and a drain electrode are formed.Type: GrantFiled: November 30, 2009Date of Patent: August 30, 2011Assignee: Sony CorporationInventors: Mao Katsuhara, Nobuhide Yoneya
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Publication number: 20110204350Abstract: Disclosed is a composition, an organic insulating film including the same, an organic thin film transistor including the organic insulating film, an electronic device including the organic thin film transistor and methods of fabricating the same. In the composition, an organic polymer material having a carboxyl group and an organic silane material having an electron-donating group are included to thus realize a structure which may further stabilize an unreacted crosslinking material. Thereby, a hysteresis phenomenon may be decreased and transparency may be increased, thus making it possible to assure stability upon exposure to air. Accordingly, the lifetime of the organic thin film transistor may be lengthened.Type: ApplicationFiled: May 2, 2011Publication date: August 25, 2011Inventors: Jung Seok Hahn, Eun Kyung Lee, Sang Yoon Lee, Eun Jeong Jeong, Joo Young Kim
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Publication number: 20110193071Abstract: The subject of the present invention is to provide an organic thin film transistor with a small hysteresis. The means for solving the subject is a resin composition for an organic thin film transistor gate insulating layer comprising (A) a macromolecule that comprises at least one repeating unit selected from the group consisting of repeating units represented by Formula (1), repeating units represented by Formula (1?), and repeating units represented by Formula (2) and contains two or more first functional groups in its molecule, wherein the first functional group is a functional group that generates, by the action of electromagnetic waves or heat, a second functional group that reacts with active hydrogen, and (B) at least one compound selected from the group consisting of low-molecular compounds containing two or more active hydrogens in each molecule and macromolecules containing two or more active hydrogens in each molecule.Type: ApplicationFiled: August 25, 2009Publication date: August 11, 2011Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Isao Yahagi
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Patent number: 7994495Abstract: An organic thin film transistor has a gate dielectric layer which is formed from a block copolymer. The block copolymer comprises a polar block and a nonpolar block. The resulting dielectric layer has good adhesion to the gate electrode and good compatibility with the semiconducting layer.Type: GrantFiled: January 16, 2008Date of Patent: August 9, 2011Assignee: Xerox CorporationInventors: Yiliang Wu, Beng S. Ong
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Patent number: 7989361Abstract: This invention pertains to a composition for a dielectric thin film, which is capable of being subjected to a low-temperature process. Specifically, the invention is directed to a metal oxide dielectric thin film formed using the composition, a preparation method thereof, a transistor device comprising the dielectric thin film, and an electronic device comprising the transistor device. The electronic device to which the dielectric thin film has been applied exhibits excellent electrical properties, thereby satisfying both a low operating voltage and a high charge mobility.Type: GrantFiled: July 31, 2007Date of Patent: August 2, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Jong Baek Seon, Hyun Dam Jeong, Sang Yoon Lee