Comprising Organic/organic Junction (e.g., Heterojunction) (epo) Patents (Class 257/E51.01)
  • Patent number: 8723025
    Abstract: 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: Grant
    Filed: January 13, 2012
    Date of Patent: May 13, 2014
    Assignees: Rohm Co., Ltd., Mitsubishi Heavy Industries, Ltd.
    Inventors: Junji Kido, Toshio Matsumoto, Takeshi Nakada
  • Patent number: 8698133
    Abstract: 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: Grant
    Filed: November 26, 2009
    Date of Patent: April 15, 2014
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Shin-ya Tanaka
  • Patent number: 8575601
    Abstract: 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: Grant
    Filed: July 14, 2011
    Date of Patent: November 5, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Hwan Oh, Seong-Hyun Jin, Young-Jin Chang, Won-Kyu Lee, Jae-Beom Choi, Cheol-Ho Park
  • Patent number: 8481999
    Abstract: 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: Grant
    Filed: September 15, 2009
    Date of Patent: July 9, 2013
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Yong Il Kim, In Jung Kim, Yun-Hee Lee, Kyoung Seok Lee, Seung Hoon Nahm
  • Patent number: 8410492
    Abstract: 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: Grant
    Filed: December 12, 2011
    Date of Patent: April 2, 2013
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Nobuharu Ohsawa
  • Patent number: 8357849
    Abstract: 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: Grant
    Filed: September 27, 2004
    Date of Patent: January 22, 2013
    Assignee: The Trustees of Princeton University
    Inventors: Peter Peumans, Stephen R. Forrest
  • Patent number: 8334527
    Abstract: 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: Grant
    Filed: September 26, 2008
    Date of Patent: December 18, 2012
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Yasuhiro Iizumi, Masaya Shimogawara
  • Patent number: 8330149
    Abstract: 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: Grant
    Filed: September 25, 2008
    Date of Patent: December 11, 2012
    Assignee: The Johns Hopkins University
    Inventors: Howard Edan Katz, Jia Sun, Nath Bhola Pal
  • Patent number: 8299458
    Abstract: 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: Grant
    Filed: October 31, 2008
    Date of Patent: October 30, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yutaka Terao, Naoyuki Kanai
  • Patent number: 8217385
    Abstract: 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: Grant
    Filed: December 1, 2006
    Date of Patent: July 10, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won Jae Joo, Sang Kyun Lee
  • Patent number: 8101857
    Abstract: 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: Grant
    Filed: July 7, 2005
    Date of Patent: January 24, 2012
    Assignees: ROHM Co., Ltd., Mitsubishi Heavy Industries, Ltd.
    Inventors: Junji Kido, Toshio Matsumoto, Takeshi Nakada
  • Publication number: 20110294257
    Abstract: 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: Application
    Filed: May 27, 2010
    Publication date: December 1, 2011
    Inventors: Deepak Shukla, Dianne M. Meyer, Wendy G. Ahearn
  • Patent number: 8044389
    Abstract: 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: Grant
    Filed: July 28, 2008
    Date of Patent: October 25, 2011
    Assignee: The Regents of the University of California
    Inventors: Yang Yang, Jinsong Huang
  • Patent number: 8017937
    Abstract: 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: Grant
    Filed: October 21, 2005
    Date of Patent: September 13, 2011
    Assignees: Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forschung E.V., Joanneum Research ForSchungsgesellschaft MBH
    Inventors: Ruth Houbertz-Krauss, Angelika Schmitt, Gerhard Domann, Michael Popall, Barbara Stadlober, Ursula Haas, Anja Haase
  • Patent number: 7999247
    Abstract: 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: Grant
    Filed: February 8, 2008
    Date of Patent: August 16, 2011
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Junhee Choi, Andrei Zoulkarneev
  • Patent number: 7973303
    Abstract: 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: Grant
    Filed: October 15, 2009
    Date of Patent: July 5, 2011
    Assignee: Samsung Led Co., Ltd.
    Inventors: Tan Sakong, Youn Joon Sung, Jeong Wook Lee
  • Patent number: 7927913
    Abstract: 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: Grant
    Filed: June 9, 2008
    Date of Patent: April 19, 2011
    Assignee: Seiko Epson Corporation
    Inventor: Thomas Kugler
  • Patent number: 7786496
    Abstract: 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: Grant
    Filed: April 23, 2003
    Date of Patent: August 31, 2010
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Satoshi Seo, Hideaki Kuwabara
  • Patent number: 7671448
    Abstract: 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: Grant
    Filed: March 16, 2006
    Date of Patent: March 2, 2010
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shinobu Furukawa, Ryota Imahayashi
  • Patent number: 7622734
    Abstract: 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: Grant
    Filed: October 2, 2007
    Date of Patent: November 24, 2009
    Assignee: Hitachi, Ltd.
    Inventors: Yuji Suwa, Tomihiro Hashizume, Masahiko Ando, Takeo Shiba
  • Patent number: 7612367
    Abstract: 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: Grant
    Filed: November 21, 2003
    Date of Patent: November 3, 2009
    Assignee: Konarka Technologies, Inc.
    Inventors: Christoph Brabec, Christoph Waldauf
  • Publication number: 20090236589
    Abstract: 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: Application
    Filed: March 16, 2009
    Publication date: September 24, 2009
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Akihito Ohno, Masayoshi Takemi, Nobuyuki Tomita
  • Patent number: 7544966
    Abstract: 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: Grant
    Filed: December 1, 2004
    Date of Patent: June 9, 2009
    Assignee: The Regents of the University of California
    Inventors: Yang Yang, Liping Ma, Jun He
  • Patent number: 7482066
    Abstract: 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: Grant
    Filed: June 17, 2002
    Date of Patent: January 27, 2009
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Mu-Hyun Kim, Jang-Hyuk Kwon, Min-Chul Suh
  • Patent number: 7259405
    Abstract: 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: Grant
    Filed: November 23, 2004
    Date of Patent: August 21, 2007
    Assignee: AU Optronics Corporation
    Inventor: Tswen-Hsin Liu
  • Patent number: 6913944
    Abstract: 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: Grant
    Filed: December 19, 2003
    Date of Patent: July 5, 2005
    Assignee: Konica Minolta Holdings, Inc.
    Inventor: Katsura Hirai