The Five-membered Hetero Ring Shares Ring Carbons With Two Benzene Rings (i.e., Carbazoles) Patents (Class 548/440)
  • Patent number: 8431251
    Abstract: A heterocyclic compound represented by Formula 1 below and an organic light-emitting device including an organic layer that includes the following heterocyclic compound: wherein R1 to R13 are each independently a hydrogen atom, a heavy hydrogen atom, a substituted or unsubstituted C1-C60 alkyl group, a substituted or unsubstituted C2-C60 alkenyl group, a substituted or unsubstituted C2-C60 alkynyl group, a substituted or unsubstituted C3-C60 cycloalkyl group, a substituted or unsubstituted C1-C60 alkoxy group, a substituted or unsubstituted C5-C60 aryloxy group, a substituted or unsubstituted C5-C60 arylthio group, a substituted or unsubstituted C5-C60 aryl group, an amino group substituted with a C5-C60 aryl group or a C3-C60 heteroaryl group, a substituted or unsubstituted C3-C60 heteroaryl group, a substituted or unsubstituted C6-C60 condensed polycyclic group, a halogen atom, a cyano group, a nitro group, a hydroxy group, or a carboxy group.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: April 30, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-O Lim, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Sang-Hyun Han, Chang-Ho Lee, Jong-Hyuk Lee, Hee-Joo Ko
  • Patent number: 8431248
    Abstract: It is an object of the present invention to provide a material which is excellent in a hole injecting property and a hole transporting property, and to provide a light emitting element and a light emitting device using a material which is excellent in a hole injecting property and a hole transporting property. The present invention provides a carbazole derivative represented by a general formula (I). The carbazole derivative according to the present invention is excellent in the hole injecting property. By using the carbazole derivative according to the present invention as a hole injecting material for a hole injecting layer of a light emitting element, a driving voltage can be reduced. In addition, a lower driving voltage, improvement of the luminous efficiency, a longer life time, and higher reliability can be realized by applying the material to a light emitting element or a light emitting device.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: April 30, 2013
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Harue Nakashima, Sachiko Kawakami, Daisuke Kumaki
  • Publication number: 20130099208
    Abstract: A condensed-cyclic compound represented by Formula 1 below, a method for preparing the condensed-cyclic compound, and an organic light-emitting device including the condensed-cyclic compound. wherein R1 through R8, a ring A, and X1 are defined as in the specification.
    Type: Application
    Filed: April 24, 2012
    Publication date: April 25, 2013
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Sun-Young Lee, Yoon-Hyun Kwak, Bum-Woo Park, Se-Jin Cho
  • Publication number: 20130092905
    Abstract: Provided is a material for an organic electroluminescence device, which further has a bulky carbazolyl group at each of the 3-position and 6-position of its central carbazole skeleton, and which has a dibenzofuran skeleton or a dibenzothiophene skeleton at the N atom of the central carbazole skeleton through a linking group as required. Also provided is an organic electroluminescence device, including one or more organic thin film layers including a light emitting layer between a cathode and an anode, in which at least one layer of the organic thin film layers contains the material for an organic electroluminescence device.
    Type: Application
    Filed: February 14, 2011
    Publication date: April 18, 2013
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Masaki Numata, Hideaki Nagashima
  • Patent number: 8420234
    Abstract: An organic electroluminescent device is provided and includes: a pair of electrodes; an organic layer including a light emitting layer between the electrodes. The organic layer contains a compound represented by formula (I). In formula (I), R11, R12, and R13 each independently represents a C1-6 alkyl group, Q1 represents a carbon atom or a silicon atom, R14 represents a hydrogen atom or -Q2(R16)(R17)R18 in which Q2 represents a carbon atom or a silicon atom and R16, R17, and R18 each independently represents a C1-6 alkyl group, R15 represents a hydrogen atom, a substituted or unsubstituted alkyl group, a cyano group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group, and n stands for 1 or 2.
    Type: Grant
    Filed: January 6, 2010
    Date of Patent: April 16, 2013
    Assignee: UDC Ireland Limited
    Inventors: Ikuo Kinoshita, Akira Takeda, Toshihiro Ise, Hiroo Takizawa, Masaaki Inoue, Takashi Kato
  • Publication number: 20130087773
    Abstract: A highly efficient light-emitting element capable of providing a plurality of emission colors is provided, which does not easily deteriorate and can minimize a decrease in external quantum efficiency even when a light-emitting layer has a stacked structure. A light-emitting device, an electronic device, and a lighting device which have low power consumption and long lifetime are provided. A light-emitting element includes a plurality of light-emitting layers stacked between a pair of electrodes. The light-emitting layers each contain a host material and a guest material. The guest materials of the light-emitting layers are substances which have different HOMO levels but have substantially the same LUMO levels and emit light of different colors. A light-emitting device, an electronic device, and a lighting device are fabricated using the light-emitting element.
    Type: Application
    Filed: October 4, 2012
    Publication date: April 11, 2013
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hiroki Suzuki, Satoshi SEO, Sachiko KAWAKAMI, Tsunenori SUZUKI
  • Publication number: 20130087776
    Abstract: A compound for an organic photoelectric device, the compound being represented by the following Chemical Formula 1:
    Type: Application
    Filed: December 3, 2012
    Publication date: April 11, 2013
    Inventors: Kyoung-Mi LEE, Dal-Ho HUH, Dong-Wan RYU, Sung-Hyun JUNG, Mi-Young CHAE
  • Publication number: 20130087768
    Abstract: A heterocyclic compound represented by Formula 1 below, an organic light-emitting diode including the same, and a flat panel display device including the organic light-emitting diode: where X is *—Ar1 or wherein Ar1, Ar2, R1, R2, R3, R4, Y1, Y2, Y3, Y4, a, b, c, and d are as defined in the specification.
    Type: Application
    Filed: February 17, 2012
    Publication date: April 11, 2013
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Young-Kook Kim, Seok-Hwan Hwang, Hye-Jin Jung, Jin-O Lim, Sang-Hyun Han, Se-Jin Cho, Jong-Hyuk Lee
  • Patent number: 8415031
    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: Grant
    Filed: January 24, 2011
    Date of Patent: April 9, 2013
    Assignee: Universal Display Corporation
    Inventors: Chuanjun Xia, Siddharth Harikrishna Mohan, Vadim Adamovich
  • Patent number: 8409729
    Abstract: Novel aryl silicon and aryl germanium host materials are described. These compounds improve OLED device performance when used as hosts in the emissive layer of the OLED.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: April 2, 2013
    Assignee: Universal Display Corporation
    Inventors: Lichang Zeng, Alexey B. Dyatkin, Gregg Kottas, Chuanjun Xia, David Z. Li
  • Publication number: 20130076237
    Abstract: Novel aromatic amine compounds are provided. Light-emitting elements having high emission efficiency and high reliability are provided. Further, light-emitting devices and electronic devices using the light-emitting devices are provided. Specifically, an aromatic amine compound represented by the general formula (1), and light-emitting elements, light-emitting devices and electronic devices that are formed using the aromatic amine compound represented by the general formula (1) are provided. By using the aromatic amine compound represented by the general formula (1) for light-emitting elements, light-emitting devices and electronic devices, the light-emitting elements, light-emitting devices and electronic devices can have high emission efficiency.
    Type: Application
    Filed: November 20, 2012
    Publication date: March 28, 2013
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Semiconductor Energy Laboratory Co., Ltd.
  • Patent number: 8405070
    Abstract: An object is to provide a light emitting element with low drive voltage which contains an organic compound and an inorganic compound. One feature of a light emitting element of the present invention is to include a layer containing a light emitting material between a pair of electrodes, in which the layer containing a light emitting material has a layer containing a carbazole derivative represented by General Formula (1) and an inorganic compound which exhibits an electron accepting property to the carbazole derivative represented by General Formula (1). With such a structure, the inorganic compound accepts electrons from the carbazole derivative, carriers are generated internally, and a drive voltage of the light emitting element can be reduced.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: March 26, 2013
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Yuji Iwaki, Satoshi Seo, Daisuke Kumaki, Harue Nakashima, Kumi Kojima
  • Patent number: 8399109
    Abstract: Organic electronic devices comprising a phthalimide compound. The phthalimide compounds disclosed herein are electron transporters with large HOMO-LUMO gaps, high triplet energies, large reduction potentials, and/or thermal and chemical stability. As such, these phthalimide compounds are suitable for use in any of various organic electronic devices, such as OLEDs and solar cells. In an OLED, the phthalimide compounds may serve various functions, such as a host in the emissive layer, as a hole blocking material, or as an electron transport material. In a solar cell, the phthalimide compounds may serve various functions, such as an exciton blocking material. Various examples of phthalimide compounds which may be suitable for use in the present invention are disclosed.
    Type: Grant
    Filed: September 21, 2012
    Date of Patent: March 19, 2013
    Assignee: The University of Southern California
    Inventors: Azad M. Hassan, Mark E. Thompson
  • Patent number: 8399605
    Abstract: A semiconductive polymer comprising a first repeat unit in the polymer backbone comprising general formula 1: where a=1 or 2; b=0 or 1; and c=0, 1 or 2, provided that when c=0 then b=0; Ar1, Ar2, Ar3, Ar4, Ar5, and Ar6 each independently represent an aryl or heteroaryl ring or a fused derivative thereof; characterized in that at least one of Ar1, Ar2, Ar4, and Ar5 is non-conjugating; and provided that (a) when a=1, Ar1 is not linked to Ar2 by a direct bond, (b) when b=1 and c=1, Ar4 is not linked to Ar5 by a direct bond, (c) when b=0 and c=1, Ar2 is not linked to Ar5 by a direct bond, (d) when a=2, the Ar1 groups are not linked by a single bond, and (e) when c=2, the Ar5 groups are not linked by a single bond.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: March 19, 2013
    Assignees: Cambridge Display Technology Limited, CDT Oxford Limited
    Inventors: Annette Steudel, Nalinkumar Lallubhai Patel, Jonathan Pillow, Mary McKiernan, Sophie Heidenhain, Natasha Conway
  • Patent number: 8394510
    Abstract: An aromatic amine derivative with a specific structure having a carbazole skeleton to which a diarylamino group bonds via a bonding group. An organic electroluminescence device which is composed of one or more organic thin film layers including at least one light emitting layer sandwiched between a cathode and an anode, wherein at least one of the organic thin film layers contains the aromatic amine derivative singly or as its mixture component. Organic electroluminescence devices with enhanced efficiency of light emission and a compound realizing the devices are provided.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: March 12, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Yumiko Mizuki, Masahiro Kawamura, Nobuhiro Yabunouchi
  • Patent number: 8389131
    Abstract: Provided is an organic electroluminescent device (organic EL device), in which the luminous efficiency of the device is improved, driving stability is sufficiently ensured, and the construction of the device is simple. This organic EL device is an organic electroluminescent device, including a light-emitting layer between an anode and a cathode laminated on a substrate, in which the light-emitting layer contains a phosphorescent light-emitting dopant and an indolocarbazole compound as a host material. Examples of the indolocarbazole compound include a compound represented by the following formula (1).
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: March 5, 2013
    Assignee: Nippon Steel Chemical Co., Ltd.
    Inventors: Takahiro Kai, Masaki Komori, Toshihiro Yamamoto, Megumi Matsumoto
  • Publication number: 20130048975
    Abstract: The present invention relates to a material for an organic electroluminescent device, including a phenanthrocarbazole-based compound having a specific structure, and an organic electroluminescent device including the same. More specifically, the phenanthrocarbazole-based compound is applied as a material for a phosphorescent and fluorescent organic electroluminescent device, thereby providing an organic light emitting device with improved light emitting efficiency, luminance, thermal stability, driving voltage, lifetime and the like.
    Type: Application
    Filed: May 6, 2011
    Publication date: February 28, 2013
    Applicant: Doosan Corporation
    Inventors: Jin-Seok Hong, Eun Jung Lee, Shin Han Kim, Kyoung-Soo Kim
  • Publication number: 20130052570
    Abstract: A charge-transporting film includes a polymer of a compound represented by Formula (I): (Ra)n-Fa-Xa-Fa?-(Ra?)n???(I) wherein Fa and Fa? independently represent a charge-transporting sub-unit including an aromatic ring, Ra and Ra? independently represent a —CH?CH2 directly bonded to the aromatic ring of the charge-transporting sub-unit or a group represented by Formula (a), Xa represents an alkylene group or a bivalent group in which an alkylene group and a group selected from —O—, —S—, and ester are combined, n and n? independently represent an integer of 0 or more (wherein n and n? are not simultaneously 0), and L represents a linking group which is represented by *—(CH2)n?—O—CH2— and which is bonded to the aromatic ring of the charge-transporting sub-unit, wherein n? is 1 or 2 and the linking group is bonded to the aromatic, ring of the charge-transporting sub-unit with *.
    Type: Application
    Filed: February 8, 2012
    Publication date: February 28, 2013
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Wataru YAMADA, Katsumi NUKADA, Takatsugu DOI, Yuko IWADATE, Tomoya SASAKI
  • Patent number: 8377573
    Abstract: Provided is a compound having a substituted pyridyl group and a pyridoindole ring structure linked through a phenylene group, having formula (1), and an organic EL device with a pair of electrodes and at least one organic layer interposed between the electrodes, wherein the at least one organic layer having the compound:
    Type: Grant
    Filed: January 30, 2009
    Date of Patent: February 19, 2013
    Assignee: Hodogaya Chemical Co., Ltd.
    Inventors: Norimasa Yokoyama, Shuichi Hayashi, Sawa Izumi, Shigeru Kusano
  • Patent number: 8377575
    Abstract: An organic electroluminescent device (1) including an anode (2), a cathode (6), and at least a first layer (3), a second layer (4), and a third layer (5) provided between the anode (2) and the cathode (6) in that order from the anode side. At least one of the first to third layers (3), (4), and (5) includes a phosphorescent compound. At least one of the first to third layers (3), (4), and (5) is an emitting layer. At least three compounds respectively forming the first layer (3), the second layer (4), and the third layer (5) other than the phosphorescent compound are compounds of the following formula (1). wherein R1 to R7 each represent a hydrogen atom or a substituent, provided that adjacent substituents may form a ring.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: February 19, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Toshihiro Iwakuma, Masahide Matsuura, Hideaki Nagashima, Hidetsugu Ikeda, Hiroaki Nakamura, Tadashi Kusumoto
  • Publication number: 20130041007
    Abstract: This invention provides compounds of Formula (I), (Ia), (Ib), (Ic), (II), (IIa) or (III) and or salts thereof, pharmaceutical compositions comprising a compound of Formula (I), (Ia), (Ib), (Ic), (II), (IIa) or (III) and a pharmaceutically acceptable excipient, methods of modulating the androgen receptor, methods of treating diseases beneficially treated by an androgen receptor modulator (e.g., sarcopenia, prostate cancer, contraception, type II diabetes related disorders or diseases, anemia, depression, and renal disease) and processes for making compounds of Formula (I), (Ia), (Ib), (Ic), (II), (IIa) or (III) and intermediates useful in the preparation of same.
    Type: Application
    Filed: February 4, 2011
    Publication date: February 14, 2013
    Inventor: Chris P. Miller
  • Publication number: 20130026458
    Abstract: To provide a composition (e.g., a coating composition) useful for forming an organic semiconductor having excellent conductivity, solvent resistance, heat resistance, durability, and other properties, and an organic semiconductor formed with the composition. The composition comprises an aromatic polycarbonyl compound having a carbonyl group as a reactive site, and at least one aromatic reactive component selected from an aromatic polyamine having an amino group as a reactive site, and an aromatic heterocyclic compound having a plurality of unmodified ?-carbon positions, as reactive sites, each of which is adjacent to a hetero atom of a heterocycl thereof. When the aromatic reactive component is an aromatic heterocyclic compound, the aromatic polycarbonyl compound is an aromatic polyaldehyde compound.
    Type: Application
    Filed: April 14, 2011
    Publication date: January 31, 2013
    Applicant: DAICEL CORPORATION
    Inventors: Kazuhisa Fukui, Yoshinori Funaki, Mami Nobutani
  • Publication number: 20130020563
    Abstract: Provided are a polycyclic compound of a compound having such a structure that two benzene rings bond to a central benzene ring each other to form a fused ring and another fused ring bonds to a terminal thereof, and an organic electroluminescence device including one or more organic thin film layers containing a light emitting layer between a cathode and an anode, in which at least one of the organic thin film layers includes the polycyclic compound of the present invention. The organic electroluminescence device has high luminous efficiency, no defect in pixels, and long lifetime. In addition, provided is a polycyclic compound realizing the organic electroluminescence device.
    Type: Application
    Filed: October 1, 2012
    Publication date: January 24, 2013
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventor: IDEMITSU KOSAN CO., LTD.
  • Publication number: 20130020565
    Abstract: Provided is a material for an organic electroluminescence device having a specific structure in which a dibenzothiophenyl group or a carbazolyl group is bonded to a carbazolyl group at its N-position (9-position) directly or through a linking group. Further provided is an organic electroluminescence device including one or more organic thin film layers including a light emitting layer between a cathode and an anode, in which at least one organic thin film layer contains the material for an organic electroluminescence device of the present invention.
    Type: Application
    Filed: March 29, 2011
    Publication date: January 24, 2013
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Masaki Numata, Hideaki Nagashima
  • Patent number: 8354668
    Abstract: Disclosed herein are compounds represented by Formula 1. Compositions and light-emitting devices related thereto are also disclosed.
    Type: Grant
    Filed: June 29, 2010
    Date of Patent: January 15, 2013
    Assignee: Nitto Denko Corporation
    Inventors: Shijun Zheng, Jensen Cayas, Sheng Li, Amane Mochizuchi, Hyunsik Chae
  • Patent number: 8343637
    Abstract: The present invention relates to compounds of the formula (1) and to the use thereof in organic electroluminescent devices, in particular as matrix material in phosphorescent devices.
    Type: Grant
    Filed: December 10, 2007
    Date of Patent: January 1, 2013
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Jonas Kroeber, Arne Buessing, Horst Vestweber
  • Publication number: 20120326133
    Abstract: A compound represented by Formula 1 below and an organic light-emitting device including an organic layer containing the compound of Formula 1: wherein R1 to R4, X and Y, a and b, and m and n are defined as in the specification.
    Type: Application
    Filed: December 2, 2011
    Publication date: December 27, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Myeong-Suk Kim, Dong-Woo Shin, Sung-Soo Bae, Ji-Hye Shim, Dae-Yup Shin, Byoung-Ki Choi
  • Publication number: 20120319099
    Abstract: A material for organic electroluminescence devices comprising a compound in which a heterocyclic group having nitrogen is bonded to an arylcarbazolyl group or a carbazolylalkylene group and an organic electroluminescence device comprising an anode, a cathode and an organic thin film layer comprising at least one layer and disposed between the anode and the cathode, wherein at least one layer in the organic thin film layer comprises the material for organic electroluminescence devices described above. The material can provide an organic electro-luminescence device emitting bluish light with a high purity of color. The organic electroluminescence device uses the material.
    Type: Application
    Filed: August 31, 2012
    Publication date: December 20, 2012
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Toshihiro IWAKUMA, Hiroshi Yamamoto, Yoshio Hironaka, Hidetsugu Ikeda, Chishio Hosokawa, Seiji Tomita, Takashi Arakane
  • Publication number: 20120321613
    Abstract: The invention relates to at least one molecular target for healing or treating wounds and, in particular chronic, human wounds. The molecular target is nWASP or a protein 50% homolgous therewith and which retains the same activity as nWASP protein, such as WASP. Further, the invention concerns a novel therapeutic for treating said wounds and a novel gene therapy approach, involving said molecular target, for treating said wounds.
    Type: Application
    Filed: February 16, 2011
    Publication date: December 20, 2012
    Applicant: UNIVERSITY COLLEGE CARDIFF CONSULTANTS LIMITED
    Inventors: Keith Harding, Wen Guo Jiang
  • Patent number: 8329316
    Abstract: The present invention provides a novel tetraphenylnaphthalene derivative, and an organic light emitting device using the same.
    Type: Grant
    Filed: March 9, 2007
    Date of Patent: December 11, 2012
    Assignee: LG Chem, Ltd.
    Inventors: Yeon-Hwan Kim, Dong-Hoon Lee, Hye-Young Jang, Sung-Kil Hong, Sung-Jin Yeo, Kong-Kyeom Kim, Dong-Seob Jeong, So-Yeon Choi, legal representative
  • Publication number: 20120309984
    Abstract: Objects of the present invention are to provide novel anthracene derivatives and novel organic compounds; a light-emitting element that has high emission efficiency; a light-emitting element that is capable of emitting blue light with high luminous efficiency; a light-emitting element that is capable of operation for a long time; and a light-emitting device and an electronic device that have lower power consumption. An anthracene derivative represented by a general formula (1) and an organic compound represented by a general formula (17) are provided. A light-emitting element that has high emission efficiency can be obtained by use of the anthracene derivative represented by the general formula (1). Further, a light-emitting element that has a long life can be obtained by use of the anthracene derivative represented by the general formula (1).
    Type: Application
    Filed: August 7, 2012
    Publication date: December 6, 2012
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Sachiko KAWAKAMI, Nobuharu OHSAWA, Satoshi SEO, Hiroki SUZUKI
  • Publication number: 20120309974
    Abstract: The present invention relates to Aromatic ring substituted dianthracene compounds and pertains to the field of synthesis of organic light-emitting materials. Aromatic ring substituted dianthracene compounds in the formula (I) present high glass transition temperature and solution efficiency, which can be used as effective blue-light emitting host materials.
    Type: Application
    Filed: February 9, 2011
    Publication date: December 6, 2012
    Applicant: BEIJING AGLAIA TECHNOLOGY DEVELOPMENT CO., LTD
    Inventors: Lifei Cai, Hongyu Zhao, Lei Dai
  • Publication number: 20120305900
    Abstract: A compound for an organic photoelectric device, the compound being represented by the following Chemical Formula (“CF”) 1:
    Type: Application
    Filed: July 23, 2012
    Publication date: December 6, 2012
    Inventors: Hyung-Sun KIM, Eun-Sun YU, Young-Hoon KIM, Ja-Hyun KIM, Soo-Hyun MIN, Ho-Jae LEE, Eui-Su KANG, Mi-Young Chae
  • Patent number: 8324403
    Abstract: There are provided an organic having both excellent hole transporting property and satisfactory electron transporting and showing excellent durability against electric oxidation/reduction and a high triplet excitation level, and a charge transporting material and an organic electroluminescent device each using the organic compound.
    Type: Grant
    Filed: December 9, 2005
    Date of Patent: December 4, 2012
    Assignees: Pioneer Corporation, Mitsubishi Chemical Corporation
    Inventors: Masayoshi Yabe, Hideki Sato
  • Publication number: 20120299474
    Abstract: Provided are a light emitting material comprising one or more tetraphenylethene (TPE) derivatives of formula (1a) with high thermal stability and high solid quantum yield efficiency, and an electroluminescent or light emitting device such as OLED comprising the same TPE derivatives and a method of preparing the same.
    Type: Application
    Filed: March 1, 2011
    Publication date: November 29, 2012
    Applicant: THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Benzhong Tang, Zujin Zhao, Ka Wai Jim, Wing Yip Lam, Shuming Chen, Hoi Sing Kwok
  • Publication number: 20120298975
    Abstract: A material for organic electroluminescence devices comprising a compound in which a heterocyclic group having nitrogen is bonded to an arylcarbazolyl group or a carbazolylalkylene group and an organic electroluminescence device comprising an anode, a cathode and an organic thin film layer comprising at least one layer and disposed between the anode and the cathode, wherein at least one layer in the organic thin film layer comprises the material for organic electroluminescence devices described above. The material can provide an organic electroluminescence device emitting bluish light with a high purity of color. The organic electroluminescence device uses the material.
    Type: Application
    Filed: May 31, 2012
    Publication date: November 29, 2012
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Toshihiro IWAKUMA, Hiroshi Yamamoto, Yoshio Hironaka, Hidetsugu Ikeda, Chishio Hosokawa, Seiji Tomita, Takashi Arakane
  • Patent number: 8318323
    Abstract: Provided are a polycyclic compound of a compound having such a structure that two benzene rings bond to a central benzene ring each other to form a fused ring and another fused ring bonds to a terminal thereof, and an organic electroluminescence device including one or more organic thin film layers containing a light emitting layer between a cathode and an anode, in which at least one of the organic thin film layers includes the polycyclic compound of the present invention. The organic electroluminescence device has high luminous efficiency, no defect in pixels, and long lifetime. In addition, provided is a polycyclic compound realizing the organic electroluminescence device.
    Type: Grant
    Filed: September 2, 2009
    Date of Patent: November 27, 2012
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Tomoki Kato, Masaki Numata, Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa, Kei Yoshida
  • Publication number: 20120292606
    Abstract: An aromatic amine derivative including a substituent A and a substituent B each represented by the formula (1) or (2) and having an arylene group bound to a carbazole structure, in which the substituent A and the substituent B include groups different from each other in the position at which the arylene group is bonded to the carbazole structure, and the substituent A and the substituent B are bonded to the same nitrogen atom or different nitrogen atoms in the molecule; an organic electroluminescent device including an organic thin-film layer formed of one or more layers including at least a light emitting layer, the organic thin-film layer being interposed between a cathode and a anode, in which at least one layer of the organic thin-film layer contains the aromatic amine derivative, and the molecules are rarely crystallized.
    Type: Application
    Filed: March 30, 2012
    Publication date: November 22, 2012
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventor: Tomoki KATO
  • Publication number: 20120292609
    Abstract: There is provided an organic compound of excellent characteristics that exhibits excellent hole-injecting/transporting performance and has an electron blocking ability and a highly stable thin-film state with excellent heat resistance. The compound of the present invention is an arylamine compound having a triphenylamine structure. The arylamine compound is used as a constituent material of at least one organic layer in an organic electroluminescent device that includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes.
    Type: Application
    Filed: January 25, 2011
    Publication date: November 22, 2012
    Applicant: Hodogaya Chemical Co., Ltd.
    Inventors: Norimasa Yokoyama, Makoto Nagaoka, Kouki Kase, Shingo Ozawa, Shigeru Kusano
  • Publication number: 20120289708
    Abstract: A novel carbazole compound that can be used for a transport layer, a host material, or a light-emitting material in a light-emitting element. In the carbazole compound, two carbazole skeletons each include carbazole, the 3-position of which is bonded to the 4-position of a dibenzofuran skeleton or a dibenzothiophene skeleton and these two carbazole skeletons are linked via benzene or biphenyl. The carbazole compound has an excellent carrier-transport property and a wide energy gap and can be suitably used for a material in a light-emitting element or for an organic semiconductor material.
    Type: Application
    Filed: May 11, 2012
    Publication date: November 15, 2012
    Inventors: Sachiko Kawakami, Kaori Ogita, Nobuharu Ohsawa, Hiromi Seo, Satoshi Seo
  • Patent number: 8309741
    Abstract: The present invention discloses a benzocarbazole-intercalated layered double hydroxides (LDHs) composite luminescent material and its preparation method. The detailed procedure comprises preparing divalent and trivalent metal cation solution A and glycol solution B of sodium 2-hydroxy benzo[a]carbazole-3-carboxylate, mixing the solutions A and B to obtain solution C, slowly adding the prepared NaOH solution dropwise into the solution C, regulating pH of the resultant after dropwise addition to obtain slurry D, allowing the slurry D to react under water bath or microwave temperature-controlled heating condition, centrifuging and washing the obtained product, and drying in vacuum to obtain 2-hydroxy benzo[a]carbazole-3-carboxylate anion intercalated LDHs composite material.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: November 13, 2012
    Assignee: Beijing University of Chemical Technology
    Inventors: Dongpeng Yan, Jun Lu, Min Wei, Xue Duan
  • Patent number: 8299066
    Abstract: This invention provides a compound of the formula (I): a pharmaceutically acceptable salt or solvate thereof, wherein R1 is substituted or unsubstituted alkyl or the like, R2 is hydrogen or substituted or unsubstituted alkyl, Ring A is monocyclic or bicyclic aromatic heterocycle, R3 is substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl or substituted or unsubstituted heterocycle, R4 is halogen, cyano, substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl or the like, m is an integer between 0 and 2, n is an integer between 0 and 5, R is halogen, oxo, cyano, nitro, substituted or unsubstituted alkyl or the like, and p is an integer between 0 and 2 as novel compounds having NPY Y5 antagonistic activity.
    Type: Grant
    Filed: January 20, 2012
    Date of Patent: October 30, 2012
    Assignee: Shionogi & Co., Ltd.
    Inventors: Masahiro Sakagami, Hiroshi Hashizume, Satoru Tanaka
  • Patent number: 8298683
    Abstract: The present invention provides an organic light emitting device comprising a first electrode, at least one organic layer and a second electrode, laminated successively, in which at least one layer of the organic layer has a polycyclic aromatic hydrocarbon as a core and comprises at least one of a derivative in which a substituted or unsubstituted C2-30 cycloalkane, or a substituted or unsubstituted C5-50 polycycloalkane is directly fused to the core or fused to a substituent of the core; and a new organic compound usable in the organic light emitting device. Furthermore, the present invention provides a charge carrier extracting, injecting or transporting material which has a polycyclic aromatic hydrocarbon as a core and comprises a derivative in which a substituted or unsubstituted C2-30 cycloalkane, or a substituted or unsubstituted C5-50 polycycloalkane is directly fused to the core or fused to a substituent of the core.
    Type: Grant
    Filed: September 14, 2006
    Date of Patent: October 30, 2012
    Assignee: LG Chem, Ltd.
    Inventors: Kong Kyeom Kim, Sung Kil Hong, Hye Young Jang, Dong Seob Jeong
  • Patent number: 8293385
    Abstract: Organic electronic devices comprising a phthalimide compound. The phthalimide compounds disclosed herein are electron transporters with large HOMO-LUMO gaps, high triplet energies, large reduction potentials, and/or thermal and chemical stability. As such, these phthalimide compounds are suitable for use in any of various organic electronic devices, such as OLEDs and solar cells. In an OLED, the phthalimide compounds may serve various functions, such as a host in the emissive layer, as a hole blocking material, or as an electron transport material. In a solar cell, the phthalimide compounds may serve various functions, such as an exciton blocking material. Various examples of phthalimide compounds which may be suitable for use in the present invention are disclosed.
    Type: Grant
    Filed: August 11, 2010
    Date of Patent: October 23, 2012
    Assignee: The University of Southern California
    Inventors: Azad M. Hassan, Mark E. Thompson
  • Publication number: 20120264765
    Abstract: The present invention relates to the identification of provided cyclohexane-1,3-diones (CHD compounds) and pharmaceutical compositions thereof for treating subjects with amyotrophic lateral sclerosis (ALS) and other neurodegenerative diseases. The invention also provides methods of preparing the provided CHD compounds.
    Type: Application
    Filed: October 29, 2010
    Publication date: October 18, 2012
    Applicants: Cambria Pharmaceuticals, Inc., Northwestern University
    Inventors: Donald R. Kirsch, Radhia Benmohamed, Anthony C. Arvanties, Richard I. Morimoto, Wei Zhang, Richard B. Silverman
  • Patent number: 8283056
    Abstract: Disclosed is an organic compound that easily dissolves in an organic solvent, and that is applicable as a host material of an emission layer of an organic photoelectric device since it emits fluorescence and phosphorescence at a red wavelength through a blue wavelength. The organic compound according to one embodiment of the present invention is represented by Chemical Formula 1. In the above Chemical Formula 1, X1 to X24, Ar1 to Ar3, and Ar? to Ar??, and Chemical Formulae 2 to 5, are as described in the specification. The organic compound easily dissolves in an organic solvent, and is applicable as a host material of an emission layer of an organic photoelectric device since it emits fluorescence and phosphorescence at a red wavelength through a blue wavelength.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: October 9, 2012
    Assignee: Cheil Industries, Inc.
    Inventors: Sung-Hyun Jung, Hyung-Sun Kim, Ho-Jae Lee, Eun-Sun Yu, Mi-Young Chae
  • Patent number: 8283055
    Abstract: A material for a light-emitting element is represented by a general formula (G1). In the general formula (G1), Ar1 represents a substituted or unsubstituted aryl group having 6 to 13 carbon atoms, Ar2, Ar3, and Ar4 each independently represent a substituted or unsubstituted arylene group having 6 to 13 carbon atoms, R1 to R8 independently represent hydrogen or an alkyl group having 1 to 4 carbon atoms, R11 represents an alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted aryl group having 6 to 13 carbon atoms, and R12 represents an alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted aryl group having 6 to 13 carbon atoms.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: October 9, 2012
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Satoshi Seo, Sachiko Kawakami, Tsunenori Suzuki, Kaori Ogita
  • Publication number: 20120248426
    Abstract: Provided is an aromatic amine derivative represented by the formula N(ArA) (ArB) (ArC) as an organic EL device material capable of reducing the driving voltage of an organic EL device, and improving its luminous efficiency and device lifetime. ArA represents the formula (II-1) or (II-2). La represents an arylene group or the like, Ara represents an aryl group or the like, and n represents 2 or 3. ArB represents the formula (III). Lb represents a single bond or the like, R1 and R2 each represent an alkyl group or the like, o and p each represent 0 to 3 or the like, X represents an oxygen atom or the like, and R3, R4 and R5 each represent an alkyl group or the like. ArC represents an aryl group, a heteroaryl group, or the formula (II-1), (II-2), or (III).
    Type: Application
    Filed: November 16, 2010
    Publication date: October 4, 2012
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventor: Tomoki Kato
  • Publication number: 20120252740
    Abstract: Histone deacetylases inhibitors (HDACIs) and compositions containing the same are disclosed. Methods of treating diseases and conditions wherein inhibition of HDAC provides a benefit, like a cancer, a neurodegenerative disorder, a neurological disease, traumatic brain injury, stroke, malaria, an autoimmune disease, autism, and inflammation, also are disclosed.
    Type: Application
    Filed: July 2, 2010
    Publication date: October 4, 2012
    Inventors: Alan Kozikowski, Kyle V. Butler, Jay H. Kalin
  • Publication number: 20120251927
    Abstract: A hologram-recording medium containing: a recording layer containing a polymerizable monomer containing a structural framework represented by the following general formula (1). In general formula (1), X and Y are not the same, and X and Y are selected from hydrogen, iodine, bromine, and chlorine atoms and from methyl, ethyl, isopropyl, tert-butyl, phenyl, naphthyl, hydroxyl, methoxy, ethoxy, isopropoxy, tert-butoxy, phenoxy, naphthoxy, acetyl, carboxyl, acetoxy, thiophenyl, thionaphthyl, thiomethyl, thioethyl, thioisopropyl, thio-tert-butyl, and thiol groups; and W is selected from the group consisting of benzylvinyl, styryl, acryloyl, and methacryloyl groups.
    Type: Application
    Filed: June 15, 2012
    Publication date: October 4, 2012
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Norikatsu Sasao, Kazuki Matsumoto, Rumiko Hayase, Yoshiaki Kawamonzen, Masahiro Kanamaru, Masaya Terai