Comprising Organic/organic Junction (e.g., Heterojunction) (epo) Patents (Class 257/E51.01)
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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: 8698133Abstract: An organic electroluminescent device includes a pair of electrodes and a plurality of organic layers disposed between the electrodes, and one of the organic layers includes an organic material forming the organic layers and a polymer obtained by polymerizing a polymerizable compound capable of exhibiting charge portability.Type: GrantFiled: November 26, 2009Date of Patent: April 15, 2014Assignee: Sumitomo Chemical Company, LimitedInventor: Shin-ya Tanaka
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Patent number: 8575601Abstract: Disclosed is a method of manufacturing an organic light-emitting display device capable of improving efficiency of a laser generator used for crystallization of amorphous silicon. The method crystallizes amorphous silicon selectively to provide an organic light-emitting display device that includes channel area of a pixel contains polycrystalline silicon and storage area of the pixel contains amorphous silicon.Type: GrantFiled: July 14, 2011Date of Patent: November 5, 2013Assignee: Samsung Display Co., Ltd.Inventors: Jae-Hwan Oh, Seong-Hyun Jin, Young-Jin Chang, Won-Kyu Lee, Jae-Beom Choi, Cheol-Ho Park
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Patent number: 8481999Abstract: Provided is a hydrogen penetration barrier for preventing hydrogen from being diffused and discharged through a barrier and preventing hydrogen embrittlement of a material due to diffusion of hydrogen ions into a material. In detail, the hydrogen penetration barrier prevents penetration of hydrogen ions by using a built-in potential of a semiconductor layer doped with a p-type impurity and a semiconductor layer doped with an n-type impurity and a potential applied by a reverse biased voltage and includes an absorption layer absorbing the hydrogen molecules to primarily prevent the penetration of the hydrogen molecules and uses the absorption layer made of the conductive material as an application electrode of the reverse biased voltage and ionizes the hydrogen absorbed to the absorption layer to secondarily prevent the penetration of the hydrogen molecules and prevent the hydrogen embrittlement.Type: GrantFiled: September 15, 2009Date of Patent: July 9, 2013Assignee: Korea Research Institute of Standards and ScienceInventors: Yong Il Kim, In Jung Kim, Yun-Hee Lee, Kyoung Seok Lee, Seung Hoon Nahm
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Patent number: 8410492Abstract: The present invention provides a light-emitting element including an electron-transporting layer and a hole-transporting layer between a first electrode and a second electrode; and a first layer and a second layer between the electron-transporting layer and the hole-transporting layer, wherein the first layer includes a first organic compound and an organic compound having a hole-transporting property, the second layer includes a second organic compound and an organic compound having an electron-transporting property, the first layer is formed in contact with the first electrode side of the second layer, the first organic compound and the second organic compound are the same compound, and a voltage is applied to the first electrode and the second electrode, so that both of the first organic compound and the second organic compound emit light.Type: GrantFiled: December 12, 2011Date of Patent: April 2, 2013Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Nobuharu Ohsawa
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Patent number: 8357849Abstract: A photoactive device is provided. The device includes a first electrode, a second electrode, and a photoactive region disposed between and electrically connected to the first and second electrodes. The photoactive region further includes an organic donor layer and an organic acceptor layer that form a donor-acceptor heterojunction. The mobility of holes in the organic donor region and the mobility of electrons in the organic acceptor region are different by a factor of at least 100, and more preferably a factor of at least 1000. At least one of the mobility of holes in the organic donor region and the mobility of electrons in the organic acceptor region is greater than 0.001 cm2/V-sec, and more preferably greater than 1 cm2/V-sec. The heterojunction may be of various types, including a planar heterojunction, a bulk heterojunction, a mixed heterojunction, and a hybrid planar-mixed heterojunction.Type: GrantFiled: September 27, 2004Date of Patent: January 22, 2013Assignee: The Trustees of Princeton UniversityInventors: Peter Peumans, Stephen R. Forrest
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Patent number: 8334527Abstract: Provided is an electroluminescent device which has a luminescent layer including quantum dots and which are excellent in life characteristics. An electroluminescent device (1) comprises a first electrode layer (3), a luminescent layer (4) formed on the first electrode layer, and a second electrode layer (5) formed on the luminescent layer. The luminescent layer uses quantum dots (12), each quantum dot being surrounded by silane coupling agent (11).Type: GrantFiled: September 26, 2008Date of Patent: December 18, 2012Assignee: Dai Nippon Printing Co., Ltd.Inventors: Yasuhiro Iizumi, Masaya Shimogawara
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Patent number: 8330149Abstract: Featured is an organic/polymer diode having a first layer composed essentially of one of an organic semiconductor material or a polymeric semiconductor material and a second layer formed on the first layer and being electrically coupled to the first layer such that current flows through the layers in one direction when a voltage is applied in one direction. The second layer is essentially composed of a material whose characteristics and properties are such that when formed on the first layer, the diode is capable of high frequency rectifications on the order of megahertz rectifications such as for example rectifications at one of above 100KHz, 500KhZ, IMHz, or 10 MHz. In further embodiments, the layers are arranged so as to be exposed to atmosphere.Type: GrantFiled: September 25, 2008Date of Patent: December 11, 2012Assignee: The Johns Hopkins UniversityInventors: Howard Edan Katz, Jia Sun, Nath Bhola Pal
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Patent number: 8299458Abstract: An organic EL device is provided with a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer and an electron injection layer between an anode and a cathode, wherein the hole injection layer is obtained by doping a hole transport material with an electron-accepting impurity, and the ionization potential Ip(HIL) of the material of the hole injection layer that composes the hole injection layer (also referred to as a hole injection material in the present description), the ionization potential Ip(HTL) of the hole transport material, and the ionization potential Ip(EML) of the material of the light-emitting layer (also referred to as a light-emitting layer material in the present description) respectively satisfy the relationship of Ip(EML)>Ip(HTL)?Ip(HIL)?Ip(EML)?0.4 eV.Type: GrantFiled: October 31, 2008Date of Patent: October 30, 2012Assignee: Sharp Kabushiki KaishaInventors: Yutaka Terao, Naoyuki Kanai
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Patent number: 8217385Abstract: Disclosed herein are an organic memory device and a method for fabricating the device. The organic memory device may include a first electrode, a second electrode and an organic active layer wherein the organic active layer includes an upper organic material layer formed of an electrically conductive organic material containing heteroatoms and a lower organic material layer formed of an electrically non-conductive organic material containing heteroatoms. Because the organic memory device exhibits improved thermal stability and non-volatility, it may be well suited for use in nonvolatile large-capacity storage units. Flexible electrodes may be used in the organic memory device to fabricate flexible memory devices.Type: GrantFiled: December 1, 2006Date of Patent: July 10, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Won Jae Joo, Sang Kyun Lee
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Patent number: 8101857Abstract: 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: July 7, 2005Date of Patent: January 24, 2012Assignees: ROHM Co., Ltd., Mitsubishi Heavy Industries, Ltd.Inventors: Junji Kido, Toshio Matsumoto, Takeshi Nakada
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Publication number: 20110294257Abstract: A semiconductor layer and device can be provided using a method including thermally converting an aromatic, non-polymeric amic acid salt to a corresponding arylene diimide. The semiconducting thin films can be used in various articles including thin-film transistor devices that can be incorporated into a variety of electronic devices. In this manner, the arylene diimide need not be coated but is generated in situ from a solvent-soluble, easily coated aromatic, non-polymeric amic acid salt at relatively lower temperature because the cation portion of the salt acts as an internal catalyst.Type: ApplicationFiled: May 27, 2010Publication date: December 1, 2011Inventors: Deepak Shukla, Dianne M. Meyer, Wendy G. Ahearn
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Patent number: 8044389Abstract: A method of producing an electronic or electro-optic device, and the devices produced, includes producing a first electrode by a solution process, producing a second electrode by a solution process, and lamination an active polymer layer between the first and second electrodes.Type: GrantFiled: July 28, 2008Date of Patent: October 25, 2011Assignee: The Regents of the University of CaliforniaInventors: Yang Yang, Jinsong Huang
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Patent number: 8017937Abstract: The invention relates to a semiconductor component having a metal-insulator structure (MIS) which contains as basic components a substrate, a layer made of an organic semiconductor material and a dielectric layer as insulator. The substrate and/or the dielectric layer made of an inorganic-organic hybrid polymer is chosen from these basic components. In addition, the invention relates to a method for the production of semiconductor components of this type and also to the use of inorganic-organic hybrid polymers for the production of semiconductor components.Type: GrantFiled: October 21, 2005Date of Patent: September 13, 2011Assignees: Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forschung E.V., Joanneum Research ForSchungsgesellschaft MBHInventors: Ruth Houbertz-Krauss, Angelika Schmitt, Gerhard Domann, Michael Popall, Barbara Stadlober, Ursula Haas, Anja Haase
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Patent number: 7999247Abstract: Disclosed is an electrode having a transparent electrode layer, an opaque electrode layer formed on the transparent electrode layer and catalyst formed on an open surface on the transparent electrode layer, which open surface is not covered by the opaque electrode layer.Type: GrantFiled: February 8, 2008Date of Patent: August 16, 2011Assignee: Samsung Electronics Co., LtdInventors: Junhee Choi, Andrei Zoulkarneev
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Patent number: 7973303Abstract: A nitride semiconductor device includes n-type and p-type nitride semiconductor layers, an active layer, the active layer having a lamination of quantum barrier layers and quantum well layers, a thermal stress control layer disposed between the n-type nitride semiconductor layer and the active layer, and formed of a material having a smaller thermal expansion coefficient than the n-type and p-type nitride semiconductor layers, and a lattice stress control layer disposed between the thermal stress control layer and the active layer, and including a first layer and a second layer.Type: GrantFiled: October 15, 2009Date of Patent: July 5, 2011Assignee: Samsung Led Co., Ltd.Inventors: Tan Sakong, Youn Joon Sung, Jeong Wook Lee
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Patent number: 7927913Abstract: A method for manufacturing a gel electrolyte pattern is disclosed, the method comprising depositing an electrolyte precursor by inkjet printing onto a gelling agent layer. A gel electrolyte pattern is also disclosed, the gel electrolyte pattern comprising either a mixture of a gelling agent and an electrolyte precursor or the products of a chemical reaction between a gelling agent and an electrolyte precursor.Type: GrantFiled: June 9, 2008Date of Patent: April 19, 2011Assignee: Seiko Epson CorporationInventor: Thomas Kugler
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Patent number: 7786496Abstract: A FET is formed on a semiconductor substrate, a curved surface having a radius of curvature is formed on an upper end of an insulation, a portion of a first electrode is exposed corresponding to the curved surface to form an inclined surface, and a region defining a luminescent region is subjected to etching to expose the first electrode. Luminescence emitted from an organic chemical compound layer is reflected by the inclined surface of the first electrode to increase a total quantity of luminescence taken out in a certain direction.Type: GrantFiled: April 23, 2003Date of Patent: August 31, 2010Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Satoshi Seo, Hideaki Kuwabara
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Patent number: 7671448Abstract: It is an object of the present invention to form an organic transistor including an organic semiconductor having high crystallinity without loosing an interface between an organic semiconductor of a channel where carriers are spread out and a gate insulating layer and deteriorating a yield. A semiconductor device according to the present invention has a stacked structure of organic semiconductor layers, and at least the upper organic semiconductor layer is in a polycrystalline or a single crystalline state and the lower organic semiconductor layer is made of a material serving as a channel. Carrier mobility can be increased owing to the upper organic semiconductor layer having high crystallinity; thus, insufficient contact due to the upper organic semiconductor layer can be compensated by the lower organic semiconductor layer.Type: GrantFiled: March 16, 2006Date of Patent: March 2, 2010Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shinobu Furukawa, Ryota Imahayashi
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Patent number: 7622734Abstract: Disclosed are a method for inexpensively reducing the contact resistance between an electrode and an organic semiconductor upon a p-type operation of the organic semiconductor; and a method for inexpensively operating, as an n-type semiconductor, an organic semiconductor that is likely to work as a p-type semiconductor. In addition, also disclosed are a p-cannel FET, an n-channel FET, and a C-TFT which can be fabricated inexpensively. Specifically, a p-type region and an n-type region is inexpensively prepared on one substrate by arranging an organic semiconductor that is likely to work as a p-type semiconductor in a p-channel FET region and an n-channel FET region of a C-TFT; and arranging a self-assembled monolayer between an electrode and the organic semiconductor in the n-channel FET region, which self-assembled monolayer is capable of allowing the organic semiconductor to work as an n-type semiconductor.Type: GrantFiled: October 2, 2007Date of Patent: November 24, 2009Assignee: Hitachi, Ltd.Inventors: Yuji Suwa, Tomihiro Hashizume, Masahiko Ando, Takeo Shiba
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Patent number: 7612367Abstract: The invention relates to an organic component comprising an improved top electrode and to a production method therefor. The top electrode is made of an organic material that is applied by means of printing techniques.Type: GrantFiled: November 21, 2003Date of Patent: November 3, 2009Assignee: Konarka Technologies, Inc.Inventors: Christoph Brabec, Christoph Waldauf
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Publication number: 20090236589Abstract: A nitride semiconductor laminated structure comprises: a substrate; a first p-type nitride semiconductor layer formed using an organometallic compound as a Group III element source material, a p-type impurity source material and ammonia as a Group V element source material, with the hydrogen concentration in the first p-type nitride semiconductor layer being 1×1019 cm?3 or less; and a second p-type nitride semiconductor layer on the first p-type nitride semiconductor layer by formed using an organometallic compound as a Group III element source material, a p-type impurity source material, and ammonia and a hydrazine derivatives as Group V element source materials, with the carbon concentration in the second p-type nitride semiconductor layer being 1×1018 cm?3 or less.Type: ApplicationFiled: March 16, 2009Publication date: September 24, 2009Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Akihito Ohno, Masayoshi Takemi, Nobuyuki Tomita
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Patent number: 7544966Abstract: A three terminal electrical bistable device that includes a tri-layer composed of an electrically conductive mixed layer sandwiched between two layers of low conductivity organic material that is interposed between a top electrode and a bottom electrode. The conducting mixed layer serves as the middle electrode. The device includes two memory cells composed of electrode/organic layer/mixed layer, where the interfaces between the electrically conductive mixed layer and the low conductivity organic layer exhibit bistable behavior.Type: GrantFiled: December 1, 2004Date of Patent: June 9, 2009Assignee: The Regents of the University of CaliforniaInventors: Yang Yang, Liping Ma, Jun He
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Patent number: 7482066Abstract: A light-emitting polymer composition for a light-emitting layer in an organic EL display device includes at least first and second light-emitting polymers having different interfacial characteristics which lower a cohesion between elements of the first and second light-emitting polymers.Type: GrantFiled: June 17, 2002Date of Patent: January 27, 2009Assignee: Samsung Mobile Display Co., Ltd.Inventors: Mu-Hyun Kim, Jang-Hyuk Kwon, Min-Chul Suh
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Patent number: 7259405Abstract: An opto-electronic device, such as an OLED or organic solar cell, having an electrode structure for use as a cathode. The electrode structure includes an electrically conductive layer and an inorganic layer, wherein the inorganic layer is made of at least one oxide-based alkali or alkaline earth metal intercalation compound. The intercalation compound having the chemical formula of Ax(MxOz), where x, y, z are positive integers greater than zero, A is an alkali metal or alkaline earth element, M is a metal, transitional metal or metallic alloy, and O is oxygen. Furthermore, a buffer layer made of alkali oxides or halides, or alkaline earth oxides or halides can be provided between the conductive layer and the inorganic layer.Type: GrantFiled: November 23, 2004Date of Patent: August 21, 2007Assignee: AU Optronics CorporationInventor: Tswen-Hsin Liu
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Patent number: 6913944Abstract: An organic thin-film transistor manufacturing method and an organic thin-film transistor manufactured by the method are disclosed, the method comprising the steps of a) forming a gate electrode on a substrate, b) forming a gate insulating layer on the substrate, c) forming an organic semiconductor layer on the substrate, d) forming an organic semiconductor layer protective layer on the organic semiconductor layer, e) removing a part of the organic semiconductor layer protective layer, and f) forming a source electrode and a drain electrode at portions where the organic semiconductor layer protective layer has been removed, so that the source electrode and drain electrode contacts the organic semiconductor layer.Type: GrantFiled: December 19, 2003Date of Patent: July 5, 2005Assignee: Konica Minolta Holdings, Inc.Inventor: Katsura Hirai