Comprising Aromatic, Heteroaromatic, Or Arrylic Chains (e.g., Polyaniline, Polyphenylene, Polyphenylene Vinylene) (epo) Patents (Class 257/E51.028)
  • Patent number: 8952364
    Abstract: Light-emitting devices are described herein.
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: February 10, 2015
    Assignee: Nitto Denko Corporation
    Inventors: Qianxi Lai, Shijun Zheng, David T. Sisk, Amane Mochizuki
  • Patent number: 8937303
    Abstract: An organic electroluminescent device comprising: a pair of electrodes comprising an anode and a cathode, and one or more layers of organic compound arranged between the pair of electrodes, wherein the organic compound layer, or one or more of the organic compound layers, comprises a compound represented by a substituted imidazole. The substituents on the imidazole ring may be selected from a range of suitable substituents, including: substituted or unsubstituted aryl groups, substituted or unsubstituted heterocyclic groups, substituted or unsubstituted alkyl groups or cyano groups. In various aspects of the invention, at least one of the substituent groups may be a substituted or unsubstituted imidazole or thiophene group.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: January 20, 2015
    Assignee: Commonwealth Scientific and Industrial Research Organisation
    Inventors: James Matthew MacDonald, Kazunori Ueno, Karl Peter Weber, Tadahiko Hirai, Juo-Hao Li
  • Patent number: 8921152
    Abstract: A raw material solution containing an organic semiconductor material and a solvent is supplied onto a substrate 1 and dried, forming an organic semiconductor film 4. A contact member 7 is used, which is provided with multiple contact faces 6a for contacting the raw material solution. The contact member is positioned such that the contact faces have a certain relationship with the surface of the substrate, and multiple droplets 3 of the raw material solution is formed on the substrate, thereby establishing a droplet-retaining state, in which the contact faces retain the respective droplets. The solvent is evaporated to form organic semiconductor films at the locations on the surface of the substrate that correspond to the multiple contact faces. The method can be performed with simple solution processes and can produce organic semiconductor films of high charge mobility.
    Type: Grant
    Filed: August 26, 2010
    Date of Patent: December 30, 2014
    Assignee: Osaka University
    Inventors: Junichi Takeya, Takafumi Uemura
  • Patent number: 8912305
    Abstract: The present invention relates to polymers comprising a repeating unit of the formula I, or III and their use as organic semiconductor in organic devices, especially an organic field effect transistor (OFET), or a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors.
    Type: Grant
    Filed: October 21, 2009
    Date of Patent: December 16, 2014
    Assignee: BASF SE
    Inventors: Mathias Düggeli, Mahmoud Zaher Eteish, Pascal Hayoz, Olivier Frédéric Aebischer, Marta Fonrodona Turon, Margherita Fontana, Marian Lanz, Mathieu G. R. Turbioz, Beat Schmidhalter, Jean-Charles Flores
  • Patent number: 8796469
    Abstract: The present invention relates to polymers comprising one or more (repeating) unit(s) of the formula (I) which are characterized in that Ar1 and Ar1? are independently of each other are an annulated (aromatic) heterocyclic ring system, containing at least one thiophene ring, which may be optionally substituted by one, or more groups, and their use as organic semiconductor in organic devices, especially in organic photovoltaics (solar cells) and photodiodes, or in a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors, organic photovoltaics (solar cells) and photodiodes.
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: August 5, 2014
    Assignee: BASF SE
    Inventors: Pascal Hayoz, Olivier Frédéric Aebischer, Mathias Düggeli, Hans Jürg Kirner, Marta Fonrodona Turon
  • Patent number: 8618533
    Abstract: The present invention relates to the use of siloles substituted by fused ring systems in organic electronics applications, and to specific siloles substituted by fused ring systems and to the use thereof in organic electronics applications.
    Type: Grant
    Filed: October 7, 2009
    Date of Patent: December 31, 2013
    Assignees: Osram Opto Semiconductors GmbH, BASF SE, Koninklijke Philips Electronics N.V.
    Inventors: Karsten Heuser, Arvid Hunze, Guenter Schmid, Ralf Krause, Herbert Friedrich Boerner, Volker Van Elsbergen, Nicolle Langer, Oliver Molt, Korinna Dormann, Evelyn Fuchs, Jens Rudolph, Christian Lennartz, Soichi Watanabe, Christian Schildknecht, Gerhard Wagenblast
  • Patent number: 8558007
    Abstract: A polymer and an organic light-emitting device including the polymer are provided, wherein the polymer comprises a polymeric unit represented by the Formula: In which variables are as defined herein.
    Type: Grant
    Filed: October 21, 2010
    Date of Patent: October 15, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hye-yeon Yang, Won-jae Joo, Jhun-mo Son, Ho-suk Kang
  • Patent number: 8546793
    Abstract: A heterocyclic compound represented by Formula 1 below and an organic light-emitting device including the heterocyclic compound: wherein Ar1, Ar2, X, and R1 to R5 are defined as in the specification.
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: October 1, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Kook Kim, Seok-Hwan Hwang, Hye-Jin Jung, Jin-O Lim, Jong-Hyuk Lee
  • Patent number: 8519092
    Abstract: A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2), wherein Ar1 to Ar4 represent an arylene group etc.; E1, E2, and E3 represent an aryl group (A) having three or more substituents, or a heterocyclic group (B) having one or more substituents, and the total number of substituents and hetero atoms of the heterocyclic ring is three or more; a and b represent 0 or 1, and 0<=a+b<=1, wherein Ar5 to Ar10 and Ar11 represent an arylene group etc.; E4 to E9 represent an aryl group or a monovalent heterocyclic group; l, m and n represent 0 to 2; o and p represent 0 or 1, and l+m+n+o+p is 2 or more.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: August 27, 2013
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Makoto Kitano, Yoshiaki Tsubata, Chizu Sekine, Jun Oguma, Katsumi Agata, Akihiro Ono, Akiko Nakazono
  • Patent number: 8492007
    Abstract: A metal complex which has a metal complex structure showing light emission from triplet excited state, and has a monovalent group derived from carbazole, and a light-emitting device using said metal complex.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: July 23, 2013
    Assignee: Sumitomo Chemical Company
    Inventors: Satoshi Kobayashi, Shuji Doi, Satoshi Mikami
  • Patent number: 8475938
    Abstract: Disclosed is an organic EL device element having high external quantum efficiency and long life time. A lighting device and a display device each using the organic EL device element are also disclosed. The organic EL element comprises plural organic compound layers including a light-emitting layer and at least one hole transport layer, interposed between an anode and a cathode, and a phosphorescent light-emitting compound contained in the light-emitting layer emits light. The organic EL device is characterized in that at least one hole-transport layer contains two or more polymerizable compounds represented by general Formula (1) or two or more polymer compounds having a structural unit derived from a compound. In the Formula (1) L1 represents a divalent bonding group, Ar1 through Ar4 represent an aromatic group, provided that at least one of Ar1 through Ar4 represents a polymerizable group as a substituent.
    Type: Grant
    Filed: April 7, 2009
    Date of Patent: July 2, 2013
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Noriko Yasukawa, Rie Katakura, Hideo Taka
  • Patent number: 8470960
    Abstract: There is provided an electroactive material having Formula I wherein: Q is the same or different at each occurrence and can be O, S, Se, Te, NR, SO, SO2, or SiR3; R is the same or different at each occurrence and can be hydrogen, alkyl, aryl, alkenyl, or alkynyl; and R1 through R6 are the same or different and can be hydrogen, alkyl, aryl, halogen, hydroxyl, aryloxy, alkoxy, alkenyl, alkynyl, amino, alkylthio, phosphino, silyl, —COR, —COOR, —PO3R2, —OPO3R2, or CN.
    Type: Grant
    Filed: December 2, 2011
    Date of Patent: June 25, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Hong Meng, Fangping Sun
  • Patent number: 8471246
    Abstract: A photoelectric conversion device is provided, the photoelectric conversion device including: a pair of electrodes; a photoelectric conversion layer arranged between the pair of electrodes and containing an n-type organic semiconductor; and a charge blocking layer arranged between one of the pair of electrodes and the photoelectric conversion layer, the charge blocking layer being formed of a single layer or two or more layers, wherein a difference ?1 between ionization potential Ip of a layer of the charge blocking layer adjacent to the photoelectric conversion layer and electron affinity Ea of the n-type organic semiconductor is at least 1 eV; and the charge blocking layer has a gross thickness of at least 20 nm.
    Type: Grant
    Filed: October 14, 2009
    Date of Patent: June 25, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Hideyuki Suzuki, Tetsuro Mitsui, Diago Sawaki, Mitsumasa Hamano, Masayuki Hayashi
  • Patent number: 8461282
    Abstract: The present invention discloses an iridium complex containing a (pentaphenyl)phenyl ligand, having the following general equation: in which G is primary ligand, R? and R? are auxiliary ligands. On the other hand, the present invention discloses a compound with a 9-[(pentaphenyl)phenyl]carbazole structure and its polymeric derivative.
    Type: Grant
    Filed: December 2, 2009
    Date of Patent: June 11, 2013
    Assignee: National Taiwan University
    Inventors: Kuo-Huang Hsieh, Man-Kit Leung, Wen-Chang Chen, Chao-Hui Kuo, Hong-Jun Chen, Hsin-Chung Ke, Cheng-Hsiu Ku
  • Patent number: 8455867
    Abstract: A heterocyclic compound represented by a general Formula 1 and an organic light-emitting device including the heterocyclic compound. In some embodiments the heterocyclic compound of Formula 1 may be used as a light-emitting material, a hole transporting material, or an electron transporting material. The heterocyclic compound of Formula 1 having a heterocyclic group in the molecules thereof has a high glass transition temperature (Tg) or a high melting point due to the inclusion of the heterocyclic group. Thus, the heterocyclic compound has high heat resistance against Joule's heat generated in an organic layer, between organic layers, or between an organic layer and a metal electrode when light emission occurs, and has high durability in high-temperature environments. An organic light-emitting device manufactured using the heterocyclic compound of Formula 1 has high durability when stored or operated.
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: June 4, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Kook Kim, Seok-Hwan Hwang, Hye-Jin Jung, Jin-O Lim, Sang-Hyun Han, Yoon-Hyun Kwak, Sun-Young Lee, Jong-Hyuk Lee, Sung-Chul Kim
  • Patent number: 8450143
    Abstract: A method of fabricating a circuit includes chemically bonding a coating to a plurality of nanoparticles. The nanoparticles are dispersed in a medium comprising organic molecules. An organic semiconductor channel is formed that comprises the medium. A plurality of electrodes is formed over the substrate. The electrodes are located to function as two of a gate electrode, a drain electrode, and a source electrode of a field-effect transistor.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: May 28, 2013
    Assignee: Alcatel Lucent
    Inventors: Oleksandr Sydorenko, Subramanian Vaidyanathan
  • Patent number: 8445894
    Abstract: A thin film transistor comprising at least three terminals consisting of a gate electrode, a source electrode and a drain electrode; an insulator layer and an organic semiconductor layer on a substrate, which controls its electric current flowing between the source and the drain by applying a electric voltage across the gate electrode, wherein the organic semiconductor layer comprises a styryl derivative having a styryl structure expressed by C6H5—CH?CH—C6H5, or a distyryl structure expressed by C6H5—CH?CH—C6H5—CH?CH—C6H5 each without molecular weight distribution. The transistor has a fast response speed (driving speed), and further, achieves a large On/Off ratio getting an enhanced performance as a transistor.
    Type: Grant
    Filed: February 18, 2009
    Date of Patent: May 21, 2013
    Assignees: Idemitsu Kosan Co., Ltd., Kyusyu University
    Inventors: Hiroaki Nakamura, Masatoshi Saitou, Tetsuo Tsutsui, Takeshi Yasuda
  • Patent number: 8445900
    Abstract: An organic electroluminescent element includes a pair of electrodes formed of a positive electrode and a negative electrode, with at least one of the electrodes being transparent or semi-transparent, and one or more organic compound layers interposed between the pair of electrodes, with at least one layer containing one or more charge transporting polyesters represented by the following formula (I), wherein A1 represents at least one selected from structures represented by the following formula (II), and X represents a group represented by the following formula (III):
    Type: Grant
    Filed: February 21, 2012
    Date of Patent: May 21, 2013
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hidekazu Hirose, Takeshi Agata, Katsuhiro Sato
  • Patent number: 8420232
    Abstract: Disclosed are Binaphthyl-Arylamine Polymers having Formula I: In the Formula: Ar1 is an arylene; Ar2 is an aryl group; Ar3 is an arylene; Binap is a binaphthyl moiety; M is a conjugated moiety; and x, y and z are mole fractions such that x+y+z=1.0, with the proviso that x and y are not zero.
    Type: Grant
    Filed: December 3, 2009
    Date of Patent: April 16, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Kyung-Ho Park, Nora Sabina Radu
  • Patent number: 8405074
    Abstract: A heterocyclic compound represented by a general Formula 1 and an organic light-emitting device including the heterocyclic compound. In some embodiments the heterocyclic compound of Formula 1 may be used as a light-emitting material, a hole transporting material, or an electron transporting material. The heterocyclic compound of Formula 1 having a heterocyclic group in the molecules thereof has a high glass transition temperature (Tg) or a high melting point due to the inclusion of the heterocyclic group. Thus, the heterocyclic compound has high heat resistance against Joule's heat generated in an organic layer, between organic layers, or between an organic layer and a metal electrode when light emission occurs, and has high durability in high-temperature environments. An organic light-emitting device manufactured using the heterocyclic compound of Formula 1 has high durability when stored or operated.
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: March 26, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Kook Kim, Seok-Hwan Hwang, Hye-Jin Jung, Jin-O Lim, Sang-Hyun Han, Yoon-Hyun Kwak, Sun-Young Lee, Jong-Hyuk Lee, Sung-Chul Kim
  • Patent number: 8389986
    Abstract: A condensed-cyclic compound and an OLED including the same, the condensed-cyclic compound represented by Formula 1 below:
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: March 5, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee-Yeon Kim, Seung-Gak Yang, Jeoung-In Yi, Jae-Yong Lee, Yoon-Hyun Kwak
  • Patent number: 8389979
    Abstract: An object is to provide a light-emitting element in which suppression of a drive voltage increase is achieved. Another object is to provide a light-emitting device that has reduced power consumption by including such a light-emitting element. In a light-emitting element having an EL layer between an anode and a cathode, between the cathode and the EL layer, a first layer capable of carrier generation is formed in contact with the cathode, a second layer which accepts and transports the electrons generated in the first layer is formed in contact with the first layer, and a third layer which injects the electrons accepted from the second layer into the EL layer is formed in contact with the second layer.
    Type: Grant
    Filed: May 24, 2010
    Date of Patent: March 5, 2013
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hiromi Nowatari, Satoshi Seo, Nobuharu Ohsawa, Tetsuo Tsutsui
  • Patent number: 8384074
    Abstract: A heterocyclic compound of formula 1 and an organic light-emitting device including an organic layer containing the heterocyclic compound. The heterocyclic compound of Formula 1 may be suitable as a material for an emission layer, an electron transport layer or an electron injection layer of an organic light-emitting device. Due to the inclusion of the heterocylic group in its molecular structure, the heterocyclic compound of Formula 1 may have a high glass transition temperature (Tg) or a high melting point, and may prevent crystallization. An organic light-emitting device manufactured using the heterocyclic compound of Formula 1, in which a chrysene group and an indole group are fused, has excellent durability when stored or operated.
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: February 26, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-O Lim, Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Hye-Jin Jung, Jong-Hyuk Lee
  • Patent number: 8384073
    Abstract: A system for displaying images is provided. The system includes a full-color organic electroluminescent device having an anode. A first emitting layer and a second emitting layer are sequentially disposed on the anode. A cathode is disposed on the second emitting layer. The first and second emitting layers include, respectively, a first dopant and a second dopant, wherein the energy gap of the first dopant is different from that of the second dopant.
    Type: Grant
    Filed: January 12, 2011
    Date of Patent: February 26, 2013
    Assignee: Chimei Innolux Corporation
    Inventors: Jui-Hsiang Yen, Hsiang-Lun Hsu, Ryuji Nishikawa
  • Patent number: 8378337
    Abstract: A flexible optoelectronic device having inverted electrode structure is disclosed. The flexible optoelectronic device having inverted electrode structure includes a flexible plastic substrate having a cathode structure, an n-type oxide semiconductor layer, an organic layer, and an anode. The n-type oxide semiconductor layer is disposed on the cathode structure. The organic layer is disposed on the n-type oxide semiconductor layer. The anode is electrically connected with the organic layer.
    Type: Grant
    Filed: November 4, 2009
    Date of Patent: February 19, 2013
    Assignee: National Taiwan University
    Inventors: Ching-Fuh Lin, Kao-Hua Tsai
  • Patent number: 8373159
    Abstract: The present invention relates to an organic light-emitting diode comprising an anode An and a cathode Ka and a light-emitting layer E which is arranged between the anode An and the cathode Ka and comprises at least one carbene complex and if appropriate at least one further layer, where the light-emitting layer E and/or the at least one further layer comprises at least one compound selected from disilylcarbazoles, disilyldibenzofurans, disilyldibenzothiophenes, disilyldibenzophospholes, disilyldibenzothiophene S-oxides and disilyldibenzothiophene S,S-dioxides, to a light-emitting layer comprising at least one of the aforementioned compounds and at least one carbene complex, to the use of the aforementioned compounds as matrix material, hole/exciton blocker material, electron/exciton blocker material, hole injection material, electron injection material, hole conductor material and/or electron conductor material, and to a device selected from the group consisting of stationary visual display units, mobile visu
    Type: Grant
    Filed: June 25, 2008
    Date of Patent: February 12, 2013
    Assignee: BASF SE
    Inventors: Nicolle Langer, Klaus Kahle, Christian Lennartz, Oliver Molt, Evelyn Fuchs, Jens Rudolph, Christian Schildknecht, Soichi Watanabe, Gerhard Wagenblast
  • Patent number: 8362470
    Abstract: Embodiments of the present invention are directed to a heterocyclic compound and an organic light-emitting device including the heterocyclic compound. The organic light-emitting devices using the heterocyclic compounds have high-efficiency, low driving voltage, high luminance and long lifespan.
    Type: Grant
    Filed: August 24, 2010
    Date of Patent: January 29, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Kook Kim, Seok-Hwan Hwang, Yoon-Hyun Kwak, Hye-Jin Jung, Jong-Hyuk Lee, Jin-O Lim, Chang-Ho Lee
  • Publication number: 20120298976
    Abstract: There is presently provided organic compounds of formula I, n-type acceptor materials derived from such compounds and devices comprising such n-type acceptor materials.
    Type: Application
    Filed: October 22, 2009
    Publication date: November 29, 2012
    Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
    Inventors: Prashant Sonar, Richard Yee Cheong Shin Koy Sien, Zhikuan Chen, Kok Haw Ong, Ging Meng Ng, Achmad Zen
  • Patent number: 8319231
    Abstract: A display device includes a first organic electroluminescent element and a second organic electroluminescent element. The first and second organic electroluminescent elements have different luminescent colors. The first and second organic electroluminescent elements each include, in series, a first electrode, a first charge transport layer, a second charge transport layer, a light-emitting layer, and a second electrode. The first charge transport layer is common to the first and second organic electroluminescent elements. The second charge transport layer of the first organic electroluminescent element is different in thickness from the second charge transport layer of the second organic electroluminescent element. The concentration of a dopant material contained in the first charge transport layer is less than that of the second charge transport layer.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: November 27, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventor: Norifumi Kajimoto
  • Patent number: 8318326
    Abstract: A fused polycyclic compounds is represented by the general formula (I): wherein X1 to X18 each represent, independently of one another, a hydrogen atom, a halogen atom, a cyano group, a nitro group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted aralkyl group, a substituted amino group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group.
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: November 27, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naoki Yamada, Minako Nakasu, Satoshi Igawa, Masashi Hashimoto
  • Patent number: 8289677
    Abstract: The present invention provides a conductive polymer suspension for providing a conductive polymer material having a high conductivity and a method for producing the same, and in particular, a solid electrolytic capacitor having a low ESR and a method for producing the same. The conductive polymer suspension is produced by: synthesizing a conductive polymer by chemical oxidative polymerization of a monomer giving the conductive polymer by using an oxidant in a solvent containing a dopant consisting of a low-molecular organic acid or a salt thereof; purifying the conductive polymer; and mixing the purified conductive polymer and an oxidant in an aqueous solvent containing a polyacid component.
    Type: Grant
    Filed: July 28, 2009
    Date of Patent: October 16, 2012
    Assignee: NEC Tokin Corporation
    Inventors: Ryuta Kobayakawa, Tomoki Nobuta, Naoki Takahashi, Yasuhisa Sugawara, Satoshi Suzuki, Toshihiko Nishiyama
  • Patent number: 8279582
    Abstract: The present invention provides a conductive polymer suspension for providing a conductive polymer material having a high conductivity and a method for producing the same, and in particular, a solid electrolytic capacitor having a low ESR and a method for producing the same. The conductive polymer suspension can be is produced by: synthesizing a conductive polymer by chemical oxidative polymerization of a monomer giving the conductive polymer by using an oxidant in an aqueous solvent containing a dopant consisting of a low-molecular organic acid or a salt thereof, or a polyacid having a weight average molecular weight of less than 2,000 or a salt thereof.
    Type: Grant
    Filed: July 28, 2009
    Date of Patent: October 2, 2012
    Assignee: NEC Tokin Corporation
    Inventors: Tomoki Nobuta, Ryuta Kobayakawa, Naoki Takahashi, Yasuhisa Sugawara, Satoshi Suzuki, Toshihiko Nishiyama
  • Patent number: 8263735
    Abstract: A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2), wherein Ar1 to Ar4 represent an arylene group etc.; E1, E2, and E3 represent an aryl group (A) having three or more substituents, or a heterocyclic group (B) having one or more substituents, and the total number of substituents and hetero atoms of the heterocyclic ring is three or more; a and b represent 0 or 1, and 0<=a+b<=1, wherein Ar5 to Ar10 and Ar11 represent an arylene group etc.; E4 to E9 represent an aryl group or a monovalent heterocyclic group; l, m and n represent 0 to 2; o and p represent 0 or 1, and l+m+n+o+p is 2 or more.
    Type: Grant
    Filed: February 3, 2010
    Date of Patent: September 11, 2012
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Makoto Kitano, Yoshiaki Tsubata, Chizu Sekine, Jun Oguma, Katsumi Agata, Akihiro Ono, Akiko Nakazono
  • Patent number: 8257837
    Abstract: An organic light-emitting device in which at least one organic layer including a light-emitting layer is sandwiched between an anode and a cathode and a phosphorescent compound in the light-emitting layer emits light.
    Type: Grant
    Filed: December 19, 2006
    Date of Patent: September 4, 2012
    Assignee: Showa Denko K.K.
    Inventors: Tetsuhiko Yamaguchi, Yoshiaki Takahashi
  • Patent number: 8242489
    Abstract: The invention provides an OLED device comprising an anode, a cathode and a light-emitting layer located therebetween, said light-emitting layer comprising an anthracene host and a styrylamine blue light-emitting compound; and, located between the said light-emitting layer and the cathode, a first electron-transporting layer that is greater than 0.5 nm and less than 5 nm thick; and a second electron-transporting layer consisting essentially of an anthracene located between the first electron-transporting layer and the cathode. The first electron-transporting layer includes a compound with a less negative LUMO level than the anthracene in the second electron-transporting layer. Devices of the invention provide improvement in features such as efficiency.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: August 14, 2012
    Assignee: Global OLED Technology, LLC.
    Inventors: Marina E. Kondakova, Ralph H. Young
  • Publication number: 20120193618
    Abstract: A raw material solution containing an organic semiconductor material and a solvent is supplied onto a substrate 1 and dried, forming an organic semiconductor film 4. A contact member 7 is used, which is provided with multiple contact faces 6a for contacting the raw material solution. The contact member is positioned such that the contact faces have a certain relationship with the surface of the substrate, and multiple droplets 3 of the raw material solution is formed on the substrate, thereby establishing a droplet-retaining state, in which the contact faces retain the respective droplets. The solvent is evaporated to form organic semiconductor films at the locations on the surface of the substrate that correspond to the multiple contact faces. The method can be performed with simple solution processes and can produce organic semiconductor films of high charge mobility.
    Type: Application
    Filed: August 26, 2010
    Publication date: August 2, 2012
    Applicant: OSAKA UNIVERSITY
    Inventors: Junichi Takeya, Takafumi Uemura
  • Publication number: 20120187381
    Abstract: Compounds comprising an aza-dibenzo moiety and a condensed aromatic moiety having at least three benzene rings are provided. In particular, the compounds may comprise an azadibenzofuran, azadibenzothiophene, or azadibenzoselenophene joined directly or indirectly to an anthracene. The compounds may be used in the electron transport layer of organic light emitting devices to provide devices with improved properties.
    Type: Application
    Filed: January 24, 2011
    Publication date: July 26, 2012
    Applicant: Universal Display Corporation
    Inventors: Chuanjun Xia, Siddharth Harikrishna Mohan, Vadim Adamovich
  • Publication number: 20120187384
    Abstract: An organic electroluminescence element includes: a pair of electrodes composed of a positive electrode and a negative electrode, one of which is transparent or semitransparent; and one or more organic compound layers that are sandwiched between the pair of electrodes, in which at least one layer of the organic compound layers contains one or more of charge-transporting polyesters represented by formula (I).
    Type: Application
    Filed: August 31, 2011
    Publication date: July 26, 2012
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Hidekazu HIROSE, Takeshi AGATA, Katsuhiro SATO
  • Publication number: 20120181511
    Abstract: Compounds are provided that comprise a ligand having a 5-substituted 2-phenylquinoline. In particular, the 2-phenylquinoline may be substituted with a bulky alkyl at the 5-position. These compounds may be used in organic light emitting devices, in particular as red emitters in the emissive layer of such devices, to provide devices having improved properties.
    Type: Application
    Filed: January 13, 2011
    Publication date: July 19, 2012
    Applicant: Universal Display Corporation
    Inventors: Bin Ma, Alan DeAngelis, Chuanjun Xia, Vadim Adamovich
  • Publication number: 20120168725
    Abstract: An organic electroluminescent device including a first electrode layer, a second electrode layer, a light emitting layer and a hole injection layer is provided. The light emitting layer is disposed between the first electrode layer and the second electrode layer. The hole injection layer is disposed between the first electrode layer and the light emitting layer, wherein the hole injection layer includes a first material layer and a second material layer. The second material layer is disposed on the first material layer and includes a main material and a doping material, wherein the doping material of the second material layer and a material of the first material layer are substantially the same.
    Type: Application
    Filed: April 17, 2011
    Publication date: July 5, 2012
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Chang-Ting Lin, Shih-Feng Hsu
  • Patent number: 8207524
    Abstract: Provided is an insulating layer that can improve device characteristics of an electronic device including the insulating layer. The insulating layer contains a polymer insulating substance having repeating units represented by the following formula: wherein Ra represents a direct bond or any linking group, Ar represents a divalent aromatic group optionally having a substituent, and Rb represents a hydrogen atom, a fluorine atom, or a univalent organic group.
    Type: Grant
    Filed: August 2, 2007
    Date of Patent: June 26, 2012
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Shinji Aramaki, Yoshimasa Sakai
  • Patent number: 8187917
    Abstract: Objects are to solve inhibition of miniaturization of a memory element and complexity of a manufacturing process thereof, and to provide a nonvolatile memory device and a semiconductor device each having the memory device, in which data can be additionally written except at the time of manufacture and in which forgery or the like caused by rewriting of data can be prevented, and a memory device and a semiconductor device that are inexpensive and nonvolatile. The present invention provides a semiconductor device that includes a plurality of memory elements, in each of which a first conductive layer, a second conductive layer disposed beside the first conductive layer, and a mixed film that are disposed over the same insulating film. The mixed film contains an inorganic compound, an organic compound, and a halogen atom and is disposed between the first conductive layer and the second conductive layer.
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: May 29, 2012
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hisao Ikeda, Takahiro Ibe, Junichi Koezuka, Kaoru Kato
  • Patent number: 8183560
    Abstract: The present invention provides a light emitting device comprising at least an emissive layer existing between an anode and a cathode, which emits light by means of electric energy. The light emitting device contains a compound having a pyrromethene skeletal structure with a specific structure or a metal complex thereof and a naphthacene derivative, and thus the light emitting device has high luminance efficiency and excellent durability.
    Type: Grant
    Filed: October 15, 2007
    Date of Patent: May 22, 2012
    Assignee: TORAY Industries, Inc.
    Inventors: Takeshi Ikeda, Tsuyoshi Tominaga, Kazunori Sugimoto, Kazumasa Nagao
  • Publication number: 20120086329
    Abstract: Compounds comprising a 3,9-linked oligocarbazole moiety and a dibenzothiophene, dibenzofuran, dibenzoselenophene, aza-dibenzothiophene, aza-dibenzofuran, or aza-dibenzoselenophene are provided. The 3,9-linked oligocarbazole and dibenzo or aza-dibenzo moiety are separated by an aromatic spacer. The compounds may be used as non-emissive materials for phosphorescent OLEDs to provide devise having improved performance.
    Type: Application
    Filed: October 8, 2010
    Publication date: April 12, 2012
    Applicant: Universal Disolay Corporation
    Inventor: Alexey Dyatkin
  • Patent number: 8137822
    Abstract: The invention relates to a method for producing polyfluoroanthenes containing repeat units of general formula (I), said method consisting of the following steps: a) a monomer fluoroanthene derivative of formula IIa is produced; b) optionally the monomer fluoroanthene derivative of formula IIa is converted into another monomer fluoroanthene derivative of formula IIb; and c) the monomer fluoroanthene derivative of formula IIa or IIb is polymerised, optionally together with at least one other comonomer. The invention also relates to polyfluoroanthenes that can be produced according to the inventive method, films, a light-emitting layer containing or consisting of at least one inventive polyfluoroanthene, OLEDs containing at least one inventive polyfluoroanthene, OLEDs containing an inventive light-emitting layer, a device containing an inventive OLED, and the use of the inventive polyfluoroanthene emitter substances in OLEDs.
    Type: Grant
    Filed: April 3, 2006
    Date of Patent: March 20, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Florian Doetz, Simon Nord, Horst Weiss, Joachim Roesch
  • Publication number: 20120049177
    Abstract: There is provided an organic electronic device. The device has an anode, a photoactive layer, and a cathode, and further, between the anode and the photoactive layer are positioned: a buffer layer; a first hole transport layer; and a second hole transport layer.
    Type: Application
    Filed: November 9, 2011
    Publication date: March 1, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventor: REID JOHN CHESTERFIELD
  • Publication number: 20120043535
    Abstract: A novel mono(benzo[k]fluoranthene) compound having a molecular structure containing at least one condensed ring aromatic group which is tricyclic or more at any of 7- to 9-positions of benzo[k]fluoranthene. Also an organic light emitting device including at least a pair of electrodes formed of an anode and a cathode, and a layer formed of an organic compound, the layer being interposed between the pair of electrodes, in which the layer formed of an organic compound contains a compound represented by the following structural formula. An organic light emitting device in which the layer is a light emitting layer.
    Type: Application
    Filed: November 3, 2011
    Publication date: February 23, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Satoshi Igawa, Shinjiro Okada, Jun Kamatani, Naoki Yamada, Masashi Hashimoto, Keiji Okinaka, Chika Negishi, Akihito Saitoh, Takao Takiguchi
  • Publication number: 20120043533
    Abstract: An aromatic amine derivative represented by the following formula (1): wherein A1 is a substituted or unsubstituted alkyl group, a substituted or unsubstituted aromatic group, a substituted or unsubstituted heterocyclic group or an organic group represented by the following formula (2): wherein X1, X2 and X3 are independently a substituted or unsubstituted aromatic group or a substituted or unsubstituted heterocyclic group; X1 and X2 are linkage groups which are different from each other; and B1, B2 and B3 are independently a substituted or unsubstituted aromatic group or a substituted or unsubstituted heterocyclic group.
    Type: Application
    Filed: April 22, 2010
    Publication date: February 23, 2012
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yumiko Mizuki, Masakazu Funahashi
  • Patent number: 8120018
    Abstract: A semiconductor device is disclosed. The device includes: oppositely disposed plural electrodes; a semiconductor molecule disposed such that one end part thereof binds to a surface of the electrode in each of the opposing electrodes; and a conductor for electrically connecting at least a part of the other end part of the semiconductor molecule disposed in one electrode of the opposing electrodes to at least a part of the other end part of the semiconductor molecule disposed in the other electrode of the opposing electrodes. The conductivity between the opposing electrodes is substantially determined by the conductivity of the semiconductor molecule electrically connected to the conductor between the opposing electrodes in the semiconductor molecules.
    Type: Grant
    Filed: January 31, 2008
    Date of Patent: February 21, 2012
    Assignee: Sony Corporation
    Inventor: Daisuke Hobara
  • Publication number: 20120037889
    Abstract: Provided is an organic electroluminescence element having an anode, a cathode and an organic compound layer sandwiched between the anode and the cathode, provided that the organic compound layer containing at least a phosphorescence dopant and a polymer which contains a partial structure represented by Formula (1), and a terminal end of the polymer is end-capped, wherein the phosphorescence dopant is a metal complex containing a ligand composed of a 5 or six membered aromatic hydrocarbon ring or a 5 or six membered aromatic heterocyclic group which is bonded to a five membered nitrogen containing aromatic heterocyclic group: Formula (1)
    Type: Application
    Filed: December 3, 2009
    Publication date: February 16, 2012
    Applicant: KONICA MINOLTA HOLDINGS, INC.
    Inventors: Tatsuo Tanaka, Hiroshi Kita, Eisaku Katoh, Rie Katakura