Having Organic Semiconductor Component Patents (Class 438/82)
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Patent number: 8803138Abstract: The light emitting element of the embodiment includes an anode; a cathode; a visible light emitting layer provided between the anode and the cathode and emitting visible light; and a carrier trapping layer containing a thiadiazole based compound represented by the following formula (1). [In formula (1), A indicates a hydrogen atom, an alkyl group, an aryl group which may have a substituent, an arylamino group, or a triaryl amine, and B indicates a hydrogen atom, an alkyl group, an aryl group which may have a substituent, an arylamino group, or a triaryl amine, or may form a ring.Type: GrantFiled: December 26, 2012Date of Patent: August 12, 2014Assignee: Seiko Epson CorporationInventors: Tetsuji Fujita, Hidetoshi Yamamoto
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Patent number: 8796543Abstract: An organic thin-film solar cell element is provided including either of the following embodiments: an electron hole transporting layer including an electron-donating electroconductive polymer material and an electron-accepting electroconductive polymer material, and a layer selected from the group consisting of the electron hole transporting layer, a hole transporting layer comprising an electron-donating electroconductive polymer material, and an electron transporting layer comprising an electron-accepting electroconductive polymer material directly laminated onto each other; or three or more layers selected from the group consisting of the electron hole transporting layer, the hole transporting layer, and the electron transporting layer directly laminated onto each other.Type: GrantFiled: March 27, 2006Date of Patent: August 5, 2014Assignee: Dai Nippon Printing Co., Ltd.Inventors: Hiroyuki Suzuki, Koujiro Ohkawa
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Publication number: 20140209173Abstract: Provided is a photoelectric conversion device which includes a positive electrode, a negative electrode, a photoelectric conversion layer including poly-[N-9?-heptadecanyl-2,7-carbazole-alt-5,5-(4?,7?-di-2-thienyl-2?,1?,3?-benzothiadiazole)] as a p-type organic semiconductor material and fullerene or a fullerene derivative as an n-type organic semiconductor material; and a buffer layer, provided between the positive electrode and the photoelectric conversion layer, including MoO3, in which device the proportion of the p-type organic semiconductor material in a first region being in contact with the buffer layer in the photoelectric conversion layer is higher than the proportion of the p-type organic semiconductor material in the entirety of the photoelectric conversion layer, and the proportion of the p-type organic semiconductor material in a second region on the negative electrode side than the first region in the photoelectric conversion layer is lower than the proportion of the p-type organic semiconductoType: ApplicationFiled: March 31, 2014Publication date: July 31, 2014Applicant: FUJITSU LIMITEDInventor: Satoru Momose
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Publication number: 20140209157Abstract: This forming involves a composition including: poly(3,4-ethylenedioxythiophene) or PEDOT; polystyrene sulfonate or PSS; a compound (A) having formula: with 0<x/y<1; Ar1 and Ar2 representing two aromatic rings, which may be identical or different; Ar1 and/or Ar2 comprising at least one hydrophobic substituent on its ring.Type: ApplicationFiled: December 16, 2013Publication date: July 31, 2014Applicant: Commissariat A L'Energie Atomique Et Aux Energies AlternativesInventors: Mathieu SENGHOR, Solenn BERSON, Matthieu MANCEAU
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Patent number: 8791454Abstract: An organic light emitting diode device and a method for manufacturing the same are disclosed. The organic light emitting diode device including a substrate, stacks disposed between a first electrode and a second electrode on the substrate, wherein the stacks including a first stack having a first blue layer and a second stack disposed on the first stack and having a second blue layer, and a first emission layer is formed at a partial region of the first stack, and a second emission layer is formed at a partial region of the second stack.Type: GrantFiled: December 26, 2012Date of Patent: July 29, 2014Assignee: LG Display Co., Ltd.Inventors: Hwakyung Kim, Byungchul Ahn, Changwook Han, Hongseok Choi, Sunghoon Pieh, Yoonheung Tak
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Patent number: 8790958Abstract: A quantum dot organic light emitting device and a method of manufacturing the same are disclosed. A first electrode layer is formed on a substrate. A block copolymer film which can cause phase separation on the first electrode layer is formed. The block copolymer film is phase-separated into a plurality of first domains, each having a nano size column shape, and a second domain which surrounds the first domains. A quantum dot template film of the second domain, which comprises a plurality of nano size through holes, is formed by selectively removing the first domains. Quantum dot structures, each of which comprises an organic light emitting layer in the through hole of the quantum dot template film, is formed.Type: GrantFiled: February 28, 2011Date of Patent: July 29, 2014Assignee: Samung Display Co., Ltd.Inventors: Sung-Hwan Cho, Hyo-Seok Kim
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Publication number: 20140202517Abstract: Recyclable organic solar cells are disclosed herein. Systems and methods are further disclosed for producing, improving performance, and for recycling the solar cells. In certain example embodiments, the recyclable organic solar cells disclosed herein include: a first electrode; a second electrode; a photoactive layer disposed between the first electrode and the second electrode; an interlayer comprising a Lewis basic oligomer or polymer disposed between the photoactive layer and at least a portion of the first electrode or the second electrode; and a substrate disposed adjacent to the first electrode or the second electrode. The interlayer reduces the work function associated with the first or second electrode. In certain example embodiments, the substrate comprises cellulose nanocrystals that can be recycled. In certain example embodiments, one or more of the first electrode, the photoactive layer, and the second electrode may be applied by a film transfer lamination method.Type: ApplicationFiled: March 21, 2014Publication date: July 24, 2014Applicant: GEORGIA TECH RESEARCH CORPORATIONInventors: Bernard Kippelen, Canek Fuentes-Hernandez, Yinhua Zhou, Robert Moon, Jeffrey P. Youngblood
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Patent number: 8778713Abstract: In one aspect, an encapsulation sheet, a method of manufacturing an organic light emitting display device using the encapsulation sheet, and an organic light emitting display device is provided. The encapsulation sheet includes a carrier film; and a first sheet formed on the carrier film, wherein the first sheet comprises at least one of tin fluorophosphates glass, chalcogenide glass, tellurite glass, borate glass, and phosphate glass.Type: GrantFiled: February 27, 2013Date of Patent: July 15, 2014Assignee: Samsung Display Co., Ltd.Inventors: Min-Soo Kim, Jin-Woo Park, Won-Sik Hyun
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Patent number: 8778720Abstract: Discussed is a fabrication method of a solar cell according to an embodiment of the invention, which includes forming an electrode material on a semiconductor substrate for the solar cell; and forming an electrode by heat treating the electrode material by laser irradiation, wherein the electrode material comprises at least one of an electrode paste, electrode ink and aerosol for the electrode.Type: GrantFiled: November 9, 2011Date of Patent: July 15, 2014Assignee: LG Electronics Inc.Inventors: Jong Hwan Kim, Hwa Nyeon Kim, Ju Hwan Yun
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Patent number: 8778708Abstract: There is provided a process for forming a layer of electroactive material having a substantially flat profile. The process includes: providing a workpiece having at least one active area; depositing a liquid composition including the electroactive material onto the workpiece in the active area, to form a wet layer; treating the wet layer on the workpiece at a controlled temperature in the range of ?25 to 80° C. and under a vacuum in the range of 10?6 to 1,000 Torr, for a first period of 1-100 minutes, to form a partially dried layer; heating the partially dried layer to a temperature above 100° C. for a second period of 1-50 minutes to form a dried layer.Type: GrantFiled: March 8, 2010Date of Patent: July 15, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Reid John Chesterfield, Justin Butler, Paul Anthony Sant
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Patent number: 8772075Abstract: A display region and a light sensing region are defined in each pixel region of the OLED touch panel of the present invention. The readout thin film transistor of the light sensing region is formed by the same processes with the drive thin film transistor of the display region. The top and bottom electrodes of the optical sensor are formed by the same processes with the top and bottom electrodes of the OLED. Accordingly, the present invention can just add a step of forming the patterned sensing dielectric layer to the processes of forming an OLED panel to integrate the optical sensor into the pixel region of the OLED panel. Thus, an OLED touch panel is formed.Type: GrantFiled: March 4, 2010Date of Patent: July 8, 2014Assignee: AU Optronics Corp.Inventors: An-Thung Cho, Jung-Yen Huang, Chia-Tien Peng, Chun-Hsiun Chen, Wei-Ming Huang
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Patent number: 8772760Abstract: An organic light emitting diode device and a manufacturing method thereof. The organic light emitting diode device includes a substrate main body, a transparent electrode formed on the substrate main body, an organic emission layer formed on the transparent electrode, a cover electrode formed on the organic emission layer and made of a metal, and a sealant formed on the substrate main body to overlap an edge of the cover electrode and cover a side surface of the organic emission layer.Type: GrantFiled: November 19, 2010Date of Patent: July 8, 2014Assignee: Samsung Display Co., Ltd.Inventors: Kie Hyun Nam, Sang-Joon Seo, Sung-Guk An
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Patent number: 8772074Abstract: Provided are an organic light emitting display device and a method for manufacturing the same. The organic light emitting display device comprises a transistor on a substrate, a cathode on the transistor and connected to a source or a drain of the transistor, a bank layer on the cathode and having an opening, a metal buffer layer on the cathode, an organic light emitting layer on the metal buffer layer, and an anode on the organic light emitting layer.Type: GrantFiled: August 12, 2009Date of Patent: July 8, 2014Assignee: LG Display Co., Ltd.Inventors: Jaehee Park, Heeseok Yang, Howon Choi
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Patent number: 8766246Abstract: An electronic or electro-optic device has a first electrode, a second electrode spaced apart from the first electrode, and a dielectric layer disposed between the first and second electrodes. The dielectric layer has electrically insulating planar layers with intercalated ions therebetween such that the electrically insulating planar layers provide a barrier to impede movement of the intercalated ions to the first and second electrodes under an applied voltage while permitting a polarization of the dielectric layer while in operation.Type: GrantFiled: October 17, 2012Date of Patent: July 1, 2014Assignee: The Johns Hopkins UniversityInventors: Howard E. Katz, Bhola Nath Pal, Kevin C. See
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Patent number: 8766306Abstract: A light emitting device and a method for manufacturing the light emitting device are disclosed. In one example, the light emitting device includes a transparent substrate, partially transparent an anode layer or layer assembly arranged on said substrate, a light emitting layer arranged on said anode layer, and a transparent cathode layer arranged on said light emitting layer, wherein said anode layer or layer assembly includes a first surface facing said transparent substrate and a second surface facing said light emitting layer and is positioned opposite to said first surface, said first surface includes a transparent conductive material, said second surface includes first and second domains, said first domains are conductive and non-transparent, said second domains are transparent and electrically isolating, and said first domains are in direct contact with said light emitting layer and are arranged to allow electrical contact between said first surface and said light emitting layer.Type: GrantFiled: June 15, 2011Date of Patent: July 1, 2014Assignee: Koninklijke Philips N.V.Inventors: Herbert Lifka, Sören Hartmann, Herbert Friedrich Boerner, Christoph Rickers
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Publication number: 20140174536Abstract: A photovoltaic cell has an active area formed electron donor-fullerene conjugated molecules. The electron donor is formed of a polymer, which is conjugated with an electron acceptor, such as fullerene. By conjugating the fullerene, such as C60, with electron donor moieties, such as that of the polymer, double channels are formed therebetween, whereby one channel provides hole transport and the other channel provides electron transport. As a result, the electronic coupling between the fullerene and the electron donor moiety leads to increased short-circuit current density (Jsc) and increased open-circuit voltage (Voc), resulting in high power conversion efficacy (PCE) in the solar cell.Type: ApplicationFiled: June 6, 2013Publication date: June 26, 2014Applicant: THE UNIVERSITY OF AKRONInventors: XIONG GONG, Stephen Z. D. Cheng, Wei Zhang
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Publication number: 20140179052Abstract: A method of forming a thin film includes coating one side of a transferring stamp including a hydrophilic polymer layer with a hydrophilic solution to form a transfer layer, and transferring the transfer layer to the substrate.Type: ApplicationFiled: June 20, 2013Publication date: June 26, 2014Applicant: Research & Business Foundation of Sungkyunkwan UniversityInventors: In Sun PARK, Yeong Suk CHOI, Jung Kyu KIM, Jong Hyeok PARK
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Patent number: 8759826Abstract: The organic electroluminescent element (100) of the present invention comprises, on a substrate (1), electrodes (positive electrode (2) and negative electrode (8)) forming a pair and an organic functional layer (20) having at least an electron transport layer (6) and a light emitting layer (5). At least one of the electron transport layer (6) and the light emitting layer (5) contain semiconductor nanoparticles having a conduction band energy level of ?5.5-?1.5 ev.Type: GrantFiled: October 12, 2011Date of Patent: June 24, 2014Assignee: Konica Minolta, Inc.Inventor: Kazuhiro Oikawa
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Patent number: 8759821Abstract: A transparent organic EL element comprising: a transparent substrate, a first transparent electrode layer formed on the transparent substrate in stripe form, an insulating partition wall formed in stripe form in a direction orthogonal to the longitudinal direction of the first transparent electrode layer on the transparent substrate with the first transparent electrode layer formed, an organic EL layer including a light emitting layer and formed on the first transparent electrode layer in the light emitting region between the partition walls, a second transparent electrode layer formed on the organic EL layer and divided with the partition wall, and a first auxiliary electrode group formed on the second transparent electrode layer with a plurality of metal fine lines disposed parallel with each other, characterized in that an angle ?1 is 0°<?1<90°.Type: GrantFiled: March 16, 2011Date of Patent: June 24, 2014Assignee: Dai Nippon Printing Co., Ltd.Inventors: Yoshihiro Kobayashi, Katsunari Obata
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Patent number: 8754407Abstract: Disclosed is a gas barrier film which has both high gas barrier performance and high cracking (bending) resistance. Specifically disclosed is a gas barrier film which comprises, on a substrate in the following order, at least one silanol-containing layer and at least one gas barrier layer that contains silicon atoms and hydrogen atoms. The gas barrier film is characterized in that the relative SiOH ion strength in the central part of the silanol-containing layer in the film thickness direction as detected by time-of-flight secondary ion mass spectrometry (Tof-SIMS) is 0.02-1.0 when the relative Si ion strength is taken as 1. Also disclosed is an organic photoelectric conversion element which comprises the gas barrier film.Type: GrantFiled: December 7, 2010Date of Patent: June 17, 2014Assignee: Konica Minolta Holdings, Inc.Inventors: Chiyoko Takemura, Tomonori Kawamura
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Patent number: 8753916Abstract: The invention described herein provides for thin films and methods of making comprising inorganic semiconductor-nanocrystals dispersed in semiconducting-polymers in high loading amounts. The invention also describes photovoltaic devices incorporating the thin films.Type: GrantFiled: February 11, 2005Date of Patent: June 17, 2014Assignee: The Regents of The University of CaliforniaInventors: A. Paul Alivisatos, Janke J. Dittmer, Wendy U. Huynh, Delia Milliron
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Patent number: 8753910Abstract: A method of manufacturing a vertical structure light emitting diode device, the method including: sequentially forming a first conductivity type III-V group compound semiconductor layer, an active layer, and a second conductivity type III-V group compound semiconductor layer on a substrate for growth; bonding a conductive substrate to the second conductivity type III-V group compound semiconductor layer; removing the substrate for growth from the first conductivity type III-V group compound semiconductor layer; and forming an electrode on an exposed portion of the first conductive III-V group compound semiconductor layer due to the removing the substrate for growth, wherein the bonding a conductive substrate comprises partially heating a metal bonding layer by applying microwaves to a bonding interface while bringing the metal bonding layer into contact with the bonding interface.Type: GrantFiled: October 12, 2012Date of Patent: June 17, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Myong Soo Cho, Ki Yeol Park, Sang Yeob Song, Si Hyuk Lee, Pun Jae Choi
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Publication number: 20140158203Abstract: The present invention provides a phthalocyanine nanorod; an ink composition containing the phthalocyanine nanorod; a transistor containing the phthalocyanine nanorod; a material for a photoelectric conversion device, the material containing the phthalocyanine nanorod; and a photoelectric conversion device containing the phthalocyanine nanorod between the positive electrode and the negative electrode. Since an ink composition containing a nanorod according to the present invention can be formed into a film by a wet process such as a coating method or a printing method, an electronic device that is less likely to fail and is lightweight and inexpensive can be produced on a flexible plastic substrate.Type: ApplicationFiled: May 19, 2011Publication date: June 12, 2014Applicant: DIC CORPORATIONInventors: Hideki Etori, Hideyuki Murata, Norimasa Fukazawa, Shou Inagaki
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Patent number: 8748740Abstract: Photovoltaic devices and methods of making the same are disclosed herein. The cell comprises: a first electrically conductive layer; at least one photoelectrochemical layer comprising metal-oxide particles, an electrolyte solution, an asphaltene dye, and a second electrically conductive layer.Type: GrantFiled: January 17, 2013Date of Patent: June 10, 2014Assignees: Board of Regents, The University of Texas System, Sandia CorporationInventors: Russell R. Chianelli, Karina Castillo, Vipin Gupta, Ali M. Qudah, Brenda Torres, Rajib E. Abujnah
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Patent number: 8748221Abstract: The present invention discloses a nanoball solution coating method and applications thereof. The method comprises steps: using a scraper to coat a nanoball solution on a substrate to attach a plurality of nanoballs on the substrate; flushing or flowing through the substrate with a heated volatile solution to suspend the nanoballs unattached to the substrate in the volatile solution; and using the scraper to scrape off the volatile solution carrying the suspended nanoballs, whereby is simplified the process to coat nanoballs. The method can be used to fabricate nanoporous films, organic vertical transistors, and large-area elements and favors mass production.Type: GrantFiled: October 31, 2012Date of Patent: June 10, 2014Assignee: National Chiao Tung UniversityInventors: Hsin-Fei Meng, Hsiao-Wen Zan, Yen-Chu Chao, Kai-Ruei Wang, Yung-Hsuan Hsu
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Publication number: 20140150868Abstract: A photoelectric conversion element comprising: a photoelectric conversion layer; an electron extraction electrode; a hole extraction electrode; and an electron transport layer, wherein the electron transport layer contains a substance represented by the following chemical formula and a reactant thereof: M(X)a??(1) wherein M is selected from the group consisting of alkali metals, alkaline earth metals, group 2B and 3B metals, and transition metals; X is selected from a halogen, a carboxylate group, an alkoxy group, an alkyl group, and an acetonate group represented by the following formula; and a is a positive integer determined in accordance with the valence of M: wherein R1 and R2 are selected from hydrogen, a C1-20 linear or branched alkyl group, and a C1-20 linear or branched alkoxy group, and R1 and R2 may or may not be the same as each other.Type: ApplicationFiled: February 7, 2014Publication date: June 5, 2014Applicant: JX Nippon Oil & Energy CorporationInventors: Taku ICHIBAYASHI, Tsuyoshi Asano
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Patent number: 8742253Abstract: New photovoltaic device configurations utilize combinations of n-copper indium selenide (n-CIS) absorber and p-type semiconducting organic/polymeric or inorganic materials to maximize the efficiency of solar energy conversion into electric power. Fabrication methods to produce various device configurations, based on n-CIS thin films, nanoparticles, organic or polymeric materials deposited on flexible or rigid substrates are described, that simplify process steps and hence the costs for high volume solar cell manufacturing.Type: GrantFiled: May 26, 2006Date of Patent: June 3, 2014Assignee: InterPhases SolarInventors: Shalini Menezes, Yan Li, Sharmila Jacqueline Menezes
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Publication number: 20140144496Abstract: Provided is a photoelectric conversion device which includes a first conductivity type inorganic semiconductor layer, a noble metal film provided partially on the surface of the first conductivity type inorganic semiconductor layer, and a photoelectric conversion layer including a first conductivity type organic semiconductor pillar being in contact with the noble metal film and containing a sulfur atom, and a second conductivity type organic semiconductor pillar being in contact with the first conductivity type inorganic semiconductor layer and including a material not containing a sulfur atom.Type: ApplicationFiled: February 3, 2014Publication date: May 29, 2014Applicant: FUJITSU LIMITEDInventor: Satoru MOMOSE
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Patent number: 8735209Abstract: An apparatus or method can include forming a graphene layer including a working surface, forming a polyvinyl alcohol (PVA) layer upon the working surface of the graphene layer, and forming a dielectric layer upon the PVA layer. In an example, the PVA layer can be activated and the dielectric layer can be deposited on an activated portion of the PVA layer. In an example, an electronic device can include such apparatus, such as included as a portion of graphene field-effect transistor (GFET), or one or more other devices.Type: GrantFiled: March 15, 2013Date of Patent: May 27, 2014Assignee: The Trustees of Columbia University in the City of New YorkInventors: Inanc Meric, Kenneth Shepard, Noah J. Tremblay, Philip Kim, Colin P. Nuckolls
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Patent number: 8729535Abstract: Provided is an organic EL display panel that improves aperture ratio by providing a contact hole beneath an aperture in a bank, and that prevents shortening of the display panel's lifetime by avoiding electric field concentration. An organic EL display panel includes a TFT layer; an interlayer insulation film on the TFT layer and having a plurality of contact holes one per pixel; a plurality of first electrodes, one per pixel, on the interlayer insulation film; a bank defining a plurality of apertures, at least one per pixel, and at least one contact hole is located beneath each aperture; a plurality of organic light-emitting layers each in an aperture; and a second electrode above the organic light-emitting layers. In each aperture, a thickness of the organic light-emitting layer is greater at a portion within the contact hole region than at a portion outside the contact hole region.Type: GrantFiled: March 26, 2012Date of Patent: May 20, 2014Assignee: Panasonic CorporationInventor: Takayuki Takeuchi
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Patent number: 8729538Abstract: The organic light emitting diode (OLED) device includes a first substrate defined by a display area and a panel edge portion surrounding the display area, a thin film transistor, a first electrode connected to the thin film transistor, a bank formed on the first substrate, an organic light emitting layer formed on the display area of the first substrate, a second electrode formed on an entire surface of the first substrate having the organic light emitting layer, an anti-moisture permeation pattern formed on the second electrode on the bank located at the panel edge portion, a passivation layer formed on an entire surface of the first substrate and a second substrate attached to the first substrate.Type: GrantFiled: December 26, 2012Date of Patent: May 20, 2014Assignee: LG Display Co., Ltd.Inventors: Dhang Kwon, JungHo Son, JungHyun Lee
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Publication number: 20140134781Abstract: A method for the application of solution processed metal oxide hole transport layers in organic photovoltaic devices and related organic electronics devices is disclosed. The metal oxide may be derived from a metal-organic precursor enabling solution processing of an amorphous, p-type metal oxide. An organic photovoltaic device having solution processed, metal oxide, thin-film hole transport layer.Type: ApplicationFiled: January 16, 2014Publication date: May 15, 2014Inventors: K. Xerxes Steirer, Joseph J. Berry, Jordan P. Chesin, Matthew T. Lloyd, Nicodemus Edwin Widjonarko, Alexander Miedaner, Calvin J. Curtis, David S. Ginley, Dana C. Olson
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Publication number: 20140130870Abstract: Triarylamine compounds of formula I and methods of using them as hole conducting materials in solar cells. Solar cells that contain these materials.Type: ApplicationFiled: October 25, 2013Publication date: May 15, 2014Applicant: BASF SEInventor: Hermann BERGMANN
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Publication number: 20140130871Abstract: There are provided a photoelectric conversion element with high photoelectric conversion efficiency, whose light absorption efficiency, charge separation efficiency, and charge transport efficiency are at high level, and a method for efficiently manufacturing the photoelectric conversion element. A photoelectric conversion element has an anode, a cathode opposed to the anode, and an organic film disposed between the anode and the cathode and containing a liquid-crystalline conjugated block polymer. A method of manufacturing the above mentioned photoelectric conversion element has the step of, (1) preparing an organic film forming composition containing the liquid-crystalline conjugated block polymer; (2) forming the one electrode and a coating film using the composition on it; (3) heat treating the coating film within a temperature range in a liquid-crystalline state so as to obtain an organic film; and (4) forming the other electrode which is not formed in the step (2) above the organic film.Type: ApplicationFiled: January 16, 2014Publication date: May 15, 2014Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Shinya TAHARA, Yuriko KAIDA, Takashi SASAKI, Yuichiro OGATA
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Patent number: 8723026Abstract: A coaxial molecular stack (10) for transferring photocurrent generation in a device such as a solar cell (14) is disclosed. The device comprises a plurality of macrocyclic ?-conjugated planar molecules stackable through columnar self assembly to form a stack (10) having an axial channel (26) with an outer p-channel (22) of the nano-composite coaxial molecular stack (10). A plurality of C60 molecules are positioned coaxially within the axial channel of the stack (10) to form an inner n-channel (24) that forms a bulk heterojunction with the p-channel (22) to provide charge transport of photocurrent through the nano-composite coaxial molecular stack (10). A plurality of the stacks (16) are oriented orthogonally between first (18) and second electrodes (20) to form the device (14).Type: GrantFiled: July 27, 2010Date of Patent: May 13, 2014Assignee: University of Utah Research FoundationInventors: Ling Zang, Yanke Che
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Patent number: 8723025Abstract: An organic device, including an organic compound having charge-transporting ability (i.e., transporting holes and/or electrons) and/or including organic light emissive molecules capable of emitting at least one of fluorescent light or phosphorescent light, has a charge transfer complex-contained layer including a charge transfer complex formed upon contact of an organic hole-transporting compound and molybdenum trioxide via a manner of lamination or mixing thereof, so that the organic hole-transporting compound is in a state of radical cation (i.e., positively charged species) in the charge transfer complex-contained layer.Type: GrantFiled: January 13, 2012Date of Patent: May 13, 2014Assignees: Rohm Co., Ltd., Mitsubishi Heavy Industries, Ltd.Inventors: Junji Kido, Toshio Matsumoto, Takeshi Nakada
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Patent number: 8723027Abstract: A photovoltaic structure having an electrode of a glass substrate coated with a high work function metal to which a film of a combination of a non-conjugated conductive polymer and an electron acceptor such as fullerene, carbon, iodine, or potassium iodide is applied. The structure has a second electrode of a low work function metal that has been coated on the glass substrate. This glass substrate with the low work function metal is applied to the film. Among the non-conjugated polymers are polyisoprene, poly(?-pinene), cis-polyisoprene, styrene-butadiene-rubber copolymer, polynobornene and polyalloocimene. When light strikes this photovoltaic structure it is capable of generating electric voltage greater than 100 mV for a light intensity of about 5 mW/cm2.Type: GrantFiled: March 28, 2012Date of Patent: May 13, 2014Inventor: Mrinal Thakur
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Publication number: 20140116510Abstract: A bulk heterojunction solar cell comprises an electron donor, an electron acceptor, and a multi-substituted fullerene derivative. The electron acceptor further comprises a nano-scale electron acceptor material, and a meso-scale mixture of electron donor/acceptor material. The multi-substituted fullerene derivative further comprises a single fullerene structure and a multi-substituted derivative connected to the single fullerene structure. The multi-substituted fullerene derivative is utilized to prevent the meso-scale mixture of electron donor/acceptor material from large-scale segregation of acceptor over a specific temperature after a specific period (thermally unstable state), thereby maintaining the thermal stability and the sizes of the nano-scale acceptor material and meso-scale mixture of electron donor/acceptor material. In the conventional knowledge, the large-scale segregation and corresponding degradation of power efficiency are cause mainly by the nano-scale acceptor material.Type: ApplicationFiled: August 15, 2013Publication date: May 1, 2014Applicant: INSTITUTE OF NUCLEAR ENERGY RESEARCH ATOMIC ENERGY COUNCIL, EXECUTIVE YUANInventors: CHENG-SI TSAO, LEE-YIH WANG, YU-CHING HUANG, CHARN-YING CHEN, HUNG-WEI LIU, CHIH-MIN CHUANG, HOU-CHIN CHA, FAN-HSUAN HSU, YEONG-DER LIN
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Publication number: 20140116511Abstract: The present specification provides a photoactive layer including an electron accepting material and an electron donating material, an organic photovoltaic cell including the same, and a method of manufacturing the organic photovoltaic cell, which includes treating the electron accepting material and the electron donating material by a non-solvent.Type: ApplicationFiled: September 27, 2013Publication date: May 1, 2014Applicant: LG CHEM, LTD.Inventors: Hangken LEE, Ji Hye JEON, Jaechol LEE, Dong Hwan WANG, Jong Hyeok PARK, O Ok PARK
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Patent number: 8709299Abstract: The present invention pertains to an electrode layer comprising a porous film made of oxide semiconductor fine particles sensitized with certain methin dyes. Moreover the present invention pertains to a photoelectric conversion device comprising said electrode layer, a dye sensitized solar cell comprising said photoelectric conversion device and to novel methin dyes.Type: GrantFiled: August 27, 2010Date of Patent: April 29, 2014Assignee: BASF SEInventors: Junichi Tanabe, Hiroshi Yamamoto, Shinji Nakamichi, Ryuichi Takahashi
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Publication number: 20140109968Abstract: A photoelectric conversion element includes a first electrode, a second electrode, and a photoelectric conversion element provided between the first electrode and the second electrode. The photoelectric conversion element includes a polymer. The polymer includes at least one light absorber which absorbs light and generates at least one kind of carrier. An end part of the polymer combines with a surface, which faces the second electrode, of the first electrode.Type: ApplicationFiled: October 10, 2013Publication date: April 24, 2014Applicant: SEIKO EPSON CORPORATIONInventor: Takashi MIYAZAWA
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Patent number: 8704235Abstract: A flat panel display including a semiconductor circuit, and a method of manufacturing the semiconductor circuit are disclosed. In one embodiment, the semiconductor circuit includes i) a substrate, ii) a semiconductor layer and a first capacitor electrode formed on the substrate, the first capacitor electrode being doped to be conductive, iii) an insulating layer covering the semiconductor layer and the first capacitor electrode, iv) a gate electrode disposed on the insulating layer and corresponding to a portion of the semiconductor layer, and v) a second capacitor electrode disposed on the insulating layer and corresponding to the first capacitor electrode, wherein the gate electrode is thicker than the second capacitor electrode.Type: GrantFiled: May 29, 2009Date of Patent: April 22, 2014Assignee: Samsung Display Co., Ltd.Inventors: Chul-Kyu Kang, Do-Hyun Kwon, Ju-Won Yoon, Jong-Hyun Choi, June-Woo Lee
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Patent number: 8703523Abstract: In one embodiment, a tunable resistor/transistor includes a porous material that is electrically coupled between a source electrode and a drain electrode, wherein the porous material acts as an active channel, an electrolyte solution saturating the active channel, the electrolyte solution being adapted for altering an electrical resistance of the active channel based on an applied electrochemical potential, wherein the active channel comprises nanoporous carbon arranged in a three-dimensional structure. In another embodiment, a method for forming the tunable resistor/transistor includes forming a source electrode, forming a drain electrode, and forming a monolithic nanoporous carbon material that acts as an active channel and selectively couples the source electrode to the drain electrode electrically.Type: GrantFiled: December 5, 2011Date of Patent: April 22, 2014Assignees: Lawrence Livermore National Security, LLC., Karlsruher Institut fur Technologie (KIT)Inventors: Juergen Biener, Theodore F. Baumann, Subho Dasgupta, Horst Hahn
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Patent number: 8697479Abstract: Some embodiments disclosed herein are related to methods of preparing a nanoparticle composition comprising: providing an aerosol comprising a plurality of droplets of a precursor solution comprising at least one nanoparticle precursor and an expansive component; passing the aerosol through a plasma; and collecting a nanoparticle composition product from the carrier gas which has exited the plasma. Some embodiments relate to nanoparticle compositions provided by this process. Some embodiments relate to light-emitting diodes or light emitting devices comprising these compositions.Type: GrantFiled: November 17, 2010Date of Patent: April 15, 2014Assignee: Nitto Denko CorporationInventors: Rajesh Mukherjee, Hironaka Fujii, Toshitaka Nakamura, Amane Mochizuki
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Patent number: 8698189Abstract: An OLED device includes a thin film transistor including an active layer, a gate bottom electrode, a gate top electrode, an insulating layer covering the gate electrode, and a source electrode and a drain electrode on the insulating layer contacting the active layer; an organic light-emitting device electrically connected to the thin film transistor and including a sequentially stacked pixel electrode, on the same layer as the gate bottom electrode, emissive layer, and, opposite electrode, a pad bottom electrode on the same layer as the gate bottom electrode and a pad top electrode pattern on the same layer as the gate top electrode, the pad top electrode pattern including openings exposing the pad bottom electrode, and an insulation pattern covering the upper surface of the pad top electrode pattern on the same layer as the insulating layer, on an upper surface of the pad bottom electrode.Type: GrantFiled: November 18, 2011Date of Patent: April 15, 2014Assignee: Samsung Display Co., Ltd.Inventors: Sun Park, Jong-Hyun Park, Yul-Kyu Lee, Kyung-Hoon Park, Sang-Ho Moon
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Patent number: 8692235Abstract: An organic photoelectric semiconductor device including organic group VA salts in an organic salt-containing layer and a method for manufacturing the same are provided. The organic photoelectric semiconductor device includes: a first electrode; an organic active layer disposed over the first electrode; an organic salt-containing layer disposed over the organic active layer, where the organic salt-containing layer includes quaternary group VA salts of cations represented by the following formula (I) or derivatives thereof and anions; and a second electrode, disposed over the organic salt-containing layer, where, X, R1, R2, R3 and R4 are defined the same as the specification. Accordingly, the present invention can enhance the transmission of electrons and thus enhances the performance of devices.Type: GrantFiled: March 18, 2011Date of Patent: April 8, 2014Assignee: National Cheng Kung UniversityInventors: Ten-Chin Wen, Sung-Nien Hsieh, Tzung-Fang Guo, Wei-Chou Hsu, Chen-Yan Li
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Patent number: 8692255Abstract: A semiconductor element includes: an organic semiconductor layer; an electrode disposed on the organic semiconductor layer so as to be in contact with the organic semiconductor layer; and a wiring layer formed separately from the electrode and electrically connected to the electrode.Type: GrantFiled: June 13, 2012Date of Patent: April 8, 2014Assignee: Sony CorporationInventors: Hideki Ono, Ryuto Akiyama
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Patent number: 8692112Abstract: An organic thin film solar cell comprises: positive and negative electrode layers; and an organic thin film layer disposed between the positive and negative electrode layers, the organic thin film layer including: a mixture of at least a first organic compound having a light-absorbing dye moiety and an electron-accepting second organic compound, in which the organic thin film layer further includes inorganic nanoparticles.Type: GrantFiled: December 24, 2008Date of Patent: April 8, 2014Assignee: Hitachi, Ltd.Inventors: Naoki Yoshimoto, Hiroto Naito
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Patent number: 8685781Abstract: A method of forming an optoelectronic device. The method includes providing a deposition surface and contacting the deposition surface with a ligand exchange chemical and contacting the deposition surface with a quantum dot (QD) colloid. This initial process is repeated over one or more cycles to form an initial QD film on the deposition surface. The method further includes subsequently contacting the QD film with a secondary treatment chemical and optionally contacting the surface with additional QDs to form an enhanced QD layer exhibiting multiple exciton generation (MEG) upon absorption of high energy photons by the QD active layer. Devices having an enhanced QD active layer as described above are also disclosed.Type: GrantFiled: July 20, 2011Date of Patent: April 1, 2014Assignee: Alliance for Sustainable Energy, LLCInventors: Octavi Escala Semonin, Joseph M. Luther, Matthew C. Beard, Hsiang-Yu Chen
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Patent number: RE44941Abstract: A process of cleaning wire bond pads associated with OLED devices, including the steps of depositing on the wire bond pads one or more layers of ablatable material, and ablating the one or more layers with a laser, thereby exposing a clean wire bond pad.Type: GrantFiled: June 29, 2012Date of Patent: June 10, 2014Assignee: Emagin CorporationInventors: Amalkumar P. Ghosh, Yachin Liu, Hua Xia Ji