The Five-membered Hetero Ring Shares Ring Carbons With Two Benzene Rings (i.e., Carbazoles) Patents (Class 548/440)
  • Patent number: 8852757
    Abstract: Disclosed is an organic electroluminescent device having high external quantum efficiency and long emission life. Also disclosed are an illuminating device and a display, each comprising such an organic electroluminescent device. The organic electroluminescent device is characterized by comprising at least an anode and a cathode on a supporting substrate, while having at least one light-emitting layer between the anode and the cathode. The organic electroluminescent device is also characterized by containing a polymer which at least partially contains a compound A having a partial structure represented by the general formula (a) below and a reactive group, and is obtained by polymerizing the compound A through the reactive group. (In the formula, Ar1 and Ar2 respectively represent an aromatic ring.
    Type: Grant
    Filed: August 27, 2007
    Date of Patent: October 7, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Rie Katakura, Hiroshi Kita, Tatsuo Tanaka, Hideo Taka
  • Patent number: 8852758
    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: Grant
    Filed: November 20, 2012
    Date of Patent: October 7, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hiroko Nomura, Sachiko Kawakami, Takahiro Ushikubo, Harue Osaka, Satoshi Seo
  • Publication number: 20140290748
    Abstract: The present invention relates to an organic colorant corresponding to one of the following structures (I) or (II): eD-pi-conjugated chromophore-L-A??(I) A-L-pi-conjugated chromophore-eD??(II) in which eD represents an electron donor segment; L represents a covalent bond or a spacer segment; A represents an electron attractor segment able to form a covalent bond with a semi-conductor; the pi-conjugated chromophore comprising at least two aromatic rings, at least one of which is a thiophene, selenophene or furan type ring. The present invention relates to the use thereof as photosensitizer in a photovoltaic device and said photovoltaic device.
    Type: Application
    Filed: November 12, 2012
    Publication date: October 2, 2014
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Renaud Demadrille, Yann Kervella
  • Publication number: 20140291638
    Abstract: The present disclosure provides novel compounds containing dibenzo[fg,op]tetracene and larger all-benzenoid moiety that can be used as hosts for phosphorescent emitters providing low-voltage, high-efficiency and high-stability devices.
    Type: Application
    Filed: February 21, 2014
    Publication date: October 2, 2014
    Applicant: Universal Display Corporation
    Inventors: Raymond KWONG, Kit Yee TSANG, Chuanjun XIA
  • Publication number: 20140291586
    Abstract: The present invention relates to compounds of the formula (I), to the use of compounds of the formula (I) in electronic devices, and to electronic devices comprising one or more compounds of the formula (I). The invention furthermore relates to the preparation of the compounds of the formula (I) and to formulations comprising one or more compounds of the formula (I).
    Type: Application
    Filed: October 9, 2012
    Publication date: October 2, 2014
    Inventors: Arne Buesing, Holger Heil, Philipp Stoessel, Frank Voges, Constanze Brocke, Yoonhyun Kwak, Hyein Jeong, Samil Khol, Sunyoung Lee
  • Patent number: 8846215
    Abstract: The present invention provides an organic light emitting diode comprising a first electrode, a second electrode and an organic material layer of one or more layers disposed between the first electrode and the second electrode, in which the organic material layer comprises a light emitting layer, an organic material layer comprising the compound represented by Formula 1 is comprised between the first electrode and the light emitting layer, and the light emitting layer comprises a host comprising the compound represented by Formula 1 and a dopant.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: September 30, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Minseung Chun, Jungi Jang, Sang Young Jeon, Seong So Kim, Chang Hwan Kim, Hyungjin Lee, Sung Kil Hong, Kongkyeom Kim, Yun Hwan Kim, Tae Yoon Park, Jungoh Huh, Seongmi Cho
  • Patent number: 8846214
    Abstract: An amine derivative represented by the following general formula (1) and exhibiting a temperature difference of 30° C. or more as defined by the difference of [decomposition temperature (° C.) minus sublimation temperature (° C.)]: wherein R1 and R2 independently represent a substituted or unsubstituted C6-40 aryl or C5-40 heteroaryl group; and R3 and R4 independently represent a hydrogen atom, a straight-chain, branched or cyclic C1-18 alkyl or C1-18 alkoxy group, or a substituted or unsubstituted C6-40 aryl or C5-40 heteroaryl group, provided that R3 and R4 may form together a cyclic hydrocarbon group. The amine derivative is useful as an organic electroluminescent material.
    Type: Grant
    Filed: June 2, 2010
    Date of Patent: September 30, 2014
    Assignee: Tosoh Corporation
    Inventors: Shinichi Ishikawa, Naoki Matsumoto, Takanori Miyazaki, Yasushi Hara
  • Patent number: 8845926
    Abstract: It is an object to provide a composition in which an anthracene derivative is dissolved and a technique in which a thin film that has a favorable film quality is formed by a wet process using the composition. In addition, it is another object to manufacture a highly reliable light-emitting element using the composition at low cost with high productivity. A composition having a solvent and an anthracene derivative having one anthracene structure and one carbazolyl group which is bonded to the anthracene structure directly or through a phenyl group is formed. A thin film with a favorable film quality can be formed by a wet process using the composition. Accordingly, a highly reliable light-emitting element can be manufactured using such a thin film.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: September 30, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Satoko Shitagaki, Satoshi Seo, Tsunenori Suzuki, Sachiko Kawakami
  • Publication number: 20140284554
    Abstract: Compounds according to Formula 1 may be used as host materials, hole-transfer materials, hole-injecting materials, or for other purposes in electronic devices such as in organic light-emitting devices.
    Type: Application
    Filed: March 21, 2013
    Publication date: September 25, 2014
    Applicant: NITTO DENKO CORPORATION
    Inventor: Shijun Zheng
  • Patent number: 8835018
    Abstract: An anthracene derivative represented by a general formula (1) and an organic compound represented by a general formula (8) are provided. Further, by use of the anthracene derivative represented by the general formula (1), a light-emitting element with high emission efficiency can be obtained. Furthermore, by use of the anthracene derivative represented by the general formula (1), a light-emitting element that emits blue light with high color purity can be obtained.
    Type: Grant
    Filed: March 25, 2008
    Date of Patent: September 16, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Sachiko Kawakami, Nobuharu Ohsawa
  • Publication number: 20140252278
    Abstract: Disclosed is a p-type organic semiconductive material that is easy to produce and that has a high planarity in its polymer skeleton, and also provides a photoelectric conversion material, a photoelectric conversion layer, a photoelectric conversion element, and an organic thin film solar cell each having high photoelectric conversion efficiency and using the p-type organic semiconductive material. Specifically, the invention provides a bibenzo[b]furan compound having at least one constitutional unit represented by the following formula (1) or (2), as well as a photoelectric conversion material, a photoelectric conversion layer, a photoelectric conversion element, and an organic thin film solar cell each using that compound for a p-type organic semiconductive material.
    Type: Application
    Filed: October 22, 2012
    Publication date: September 11, 2014
    Applicant: Adeka Corporation
    Inventors: Mineki Hasegawa, Toru Yano, Ryo Taniuchi
  • Publication number: 20140252327
    Abstract: Provided are an amine-based compound and an organic light-emitting diode including the same.
    Type: Application
    Filed: February 27, 2014
    Publication date: September 11, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hwan-Hee Cho, Mi-Kyung Kim, Se-Hun Kim, Sam-Il Kho, Hyoung-Kun Kim
  • Patent number: 8828559
    Abstract: A heterocyclic compound represented by Formula 1A and an organic light-emitting device including the heterocyclic compound: at least one of R1 to R13 is a group represented by Formula 1B below: wherein R1 to R15, Ar1, Ar2, A, B, a, and b are defined as in the specification. The organic light-emitting device may include an organic layer containing the heterocyclic compound, and thus may have a low driving voltage, a high-emission efficiency, and long lifespan characteristics.
    Type: Grant
    Filed: April 12, 2012
    Date of Patent: September 9, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hye-Jin Jung, Seok-Hwan Hwang, Young-Kook Kim, Jin-O Lim, Sang-Hyun Han, Soo-Yon Kim, Dae-Yup Shin
  • Patent number: 8828558
    Abstract: A monoamine compound of formula (1): wherein R1 to R3 each independently represent a phenyl group which may have one or more substituents, wherein at least one of said substituents is in the ortho or meta positions and wherein said substituents may be bonded to each other to form a cyclic structure, with the proviso that none of R1, R2 and R3 is a group which is the same as the other.
    Type: Grant
    Filed: February 27, 2012
    Date of Patent: September 9, 2014
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Tatsushi Baba, Koichiro Iida
  • Patent number: 8828561
    Abstract: A compound for an organic photoelectric device, the compound being represented by the following Chemical Formula (“CF”) 1:
    Type: Grant
    Filed: July 23, 2012
    Date of Patent: September 9, 2014
    Assignee: Cheil Industries, Inc.
    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
  • Publication number: 20140246094
    Abstract: Asymmetric dyes of the D-?-A type have the Formula (1), including the valence tautomers thereof. The dyes of Formula (1) are suitable for use in dye-sensitized solar cells (DSSC), in photoelectrochemical devices or in photonic devices. A solar cell and a device for photoelectric conversion contain an asymmetric dye of Formula (1). The dyes of Formula (1) are also suitable for conjugating with optically active nanoparticles (NP).
    Type: Application
    Filed: August 24, 2012
    Publication date: September 4, 2014
    Applicant: PIANETA S.R.L.
    Inventor: Giuseppe Caputo
  • Patent number: 8815410
    Abstract: It is an object of the present invention to provide a light emitting element, which is resistant to repetition of an oxidation reaction. It is another object of the invention to provide a light emitting element, which is resistant to repetition of a reduction reaction. An anthracene derivative is represented by a general formula (1). In the general formula (1), R1 represents hydrogen or an alkyl group having 1 to 4 carbon atoms, R2 represents any one of hydrogen, an alkyl group having 1 to 4 carbon atoms and an aryl group having 6 to 12 carbon atoms, R3 represents any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, and an aryl group having 6 to 12 carbon atoms, Ph1 represents a phenyl group, and X1 represents an arylene group having 6 to 15 carbon atoms.
    Type: Grant
    Filed: December 26, 2005
    Date of Patent: August 26, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Harue Nakashima, Sachiko Kawakami, Kumi Kojima, Ryoji Nomura, Nobuharu Ohsawa
  • Patent number: 8815417
    Abstract: A heterocyclic compound represented by Formula 1 below and an organic light-emitting device including the heterocyclic compound: wherein R1 to R12 are defined as in the specification.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: August 26, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Kook Kim, Seok-Hwan Hwang, Yoon-Hyun Kwak, Sun-Young Lee, Hye-Jin Jung, Jin-O Lim, Jong-Hyuk Lee
  • Patent number: 8816098
    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: Grant
    Filed: August 5, 2013
    Date of Patent: August 26, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Sachiko Kawakami, Nobuharu Ohsawa, Satoshi Seo, Hiroki Suzuki
  • Publication number: 20140231794
    Abstract: A compound represented by the following formula (1): wherein in the formula (1), Ar1 and Ar2 are independently a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group, or a substituted or unsubstituted alkyl group; X1 to X4 and X13 to X16 are independently CR1, CH or N; one of X5 to X8 is a carbon atom bonding to one of X9 to X12, and at least one of X5 to X8 that is adjacent to the carbon atom bonding to one of X9 to X12 is CR2; one of X9 to X12 is a carbon atom bonding to one of X5 to X8, and X9 to X12 that is adjacent to the carbon atom bonding to one of X5 to X8 is CH or N; and the remaining X5 to X8 and the remaining X9 to X12 are CR1, CH or N.
    Type: Application
    Filed: September 25, 2012
    Publication date: August 21, 2014
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Toshihiro Iwakuma, Kei Yoshida
  • Publication number: 20140231775
    Abstract: A dendrimer compound characterized by comprising a core represented by the following formula (1-1), (1-2), (1-3), or (1-4) and at least one kind of dendritic structure selected among dendritic structures represented by the following formulae (3) and (4).
    Type: Application
    Filed: April 9, 2014
    Publication date: August 21, 2014
    Inventors: Makoto KITANO, Yoshiaki TSUBATA
  • Publication number: 20140231772
    Abstract: A compound represented by the following formula (1): wherein C1 and C2 are independently a carbon atom; X1 to X4 are independently N, CH or C(R1); L is a group represented by the formula (2): -L1-(A)n; L1 is a group represented by the formula (3); A is alkyl, cycloalkyl, alkoxy, cycloalkoxy, aryl, aryloxy, arylthio, heteroaryl, heteroaryloxy, amino, silyl, diaryloxyphosphinyl, a divalent group corresponding to these groups, fluoro or cyano.
    Type: Application
    Filed: November 2, 2012
    Publication date: August 21, 2014
    Inventors: Takushi Shiomi, Ryohei Hashimoto, Hideaki Nagashima
  • Publication number: 20140231754
    Abstract: The present invention discloses a novel ditriphenylene derivative is represented by the following formula (I), the organic EL device employing the ditriphenylene derivative as host material or dopant material of emitting layer can lower driving voltage, prolong half-life time and increase the efficiency. Wherein m, n represent an integer of 0 to 10. X is a divalent bridge selected from the atom or group consisting from O, S, C(R3)(R4), NR5, Si(R6)(R7). Ar1, Ar2, R1 to R7 are substituents and the same definition as described in the present invention.
    Type: Application
    Filed: February 20, 2013
    Publication date: August 21, 2014
    Inventor: Feng-Wen Yen
  • Publication number: 20140231717
    Abstract: The present invention provides a compound that has high solubility in a highly polar solvent and is usefully usable for an application method using a highly polar solvent, the compound that can manufacture an electroluminescent device having high light-emitting efficiency. Specifically, the present invention provides a compound containing a structure represented by Formula (1): wherein: Ar1, Ar2, Ar3, and Ar4 each independently represent a divalent aromatic group optionally having substituent(s); Ar5 represents a monovalent aromatic group optionally having substituent(s); p and q each independently represent an integer of 0 or more; and R1 represents a given monovalent group.
    Type: Application
    Filed: October 11, 2012
    Publication date: August 21, 2014
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Ken Sakakibara, Masanobu Tanaka, Rui Ishikawa, Hideyuki Higashimura
  • Publication number: 20140231779
    Abstract: A compound for an organic photoelectric device, the compound being represented by the following Chemical Formula (“CF”) 1:
    Type: Application
    Filed: April 25, 2014
    Publication date: August 21, 2014
    Inventors: Hyung-Sun KIM, Eun-Sun YU, Soo-Hyun MIN, Ho-Jae LEE, Eui-Su KANG, Mi-Young CHAE
  • Publication number: 20140231715
    Abstract: The present invention relates to a compound of the formula (I), to the use of this compound in an electronic device, and to an electronic device comprising one or more compounds of the formula (I). The invention furthermore relates to the preparation of the compound of the formula (I) and to a formulation comprising one or more compounds of the formula (I).
    Type: Application
    Filed: March 23, 2012
    Publication date: August 21, 2014
    Applicant: Merck Patent GmbH Patents & Scientific Information
    Inventors: Philipp Stoessel, Arne Buesing, Frank Voges, Christof Pflumm, Amir Hossain Parham, Thomas Eberle, Teresa Mujica-Fernaud
  • Patent number: 8808877
    Abstract: A method of manufacturing an organic EL element, which may be a top-emitting or a transparent organic EL element, provides an organic EL element having a low driving voltage and a high efficiency. The organic EL element includes a substrate; an anode; an organic EL layer which includes at least an emissive layer, an electron transport layer and a damage-mitigating electron injection layer; and a transparent cathode composed of a transparent conductive oxide material, the damage-mitigating electron injection layer is in contact with the transparent cathode, and the damage-mitigating electron injection layer includes a crystalline oligothiophene compound.
    Type: Grant
    Filed: August 18, 2009
    Date of Patent: August 19, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Yutaka Terao
  • Patent number: 8808879
    Abstract: Methods and devices related to the treatment of diseases using phototherapy are described. Some embodiments provide an organic light-emitting diode device, such as a light-emitting device for phototherapy, comprising a compound of Formula 1. Methods of treating disease diseases with phototherapy are also described.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: August 19, 2014
    Assignee: Nitto Denko Corporation
    Inventors: Amane Mochizuki, Sazzadur Rahman Khan, Shijun Zheng, Keisaku Okada
  • Publication number: 20140225097
    Abstract: A novel stilbene derivative is provided with motivation of providing a blue emissive material showing excellent color purity. The use of the stilbene derivative of the present invention allows the fabrication of a blue-emissive light-emitting element with excellent color purity. The invention also includes an electronic device equipped with a display portion in which the stilbene derivative is employed. The stilbene derivative of the present invention is represented by formula (1), in which Ar1 and Ar2 may form a 5-membered ring by being directly bonded to each other. In formula (1), A11 represents any one of substituents represented by general formulas (1-1) to (1-3). The variables shown in formula (1) and (1-1) to (1-3) are as defined in the specification.
    Type: Application
    Filed: April 16, 2014
    Publication date: August 14, 2014
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Masakazu Egawa, Harue OSAKA, Sachiko KAWAKAMI, Nobuharu OHSAWA, Satoshi SEO, Ryoji NOMURA
  • Publication number: 20140217335
    Abstract: Disclosed are electroluminescent devices that comprise organic layers that contain dibenzofuran compounds. The compounds are suitable components of, for example, blue-emitting, durable, organo-electroluminescent layers. The electroluminescent devices may be employed for full color display panels in, for example, mobile phones, televisions and personal computer screens.
    Type: Application
    Filed: April 15, 2014
    Publication date: August 7, 2014
    Applicant: BASF SE
    Inventors: JUNICHI TANABE, HIDETAKA OKA, HIROSHI YAMAMOTO
  • Publication number: 20140221655
    Abstract: The invention provides methods for substituting polyaromatic hydrocarbons or polyheterocyclic compounds with perfluoroalkyl groups. The methods can include heating a polyaromatic hydrocarbon substrate or a polyheterocyclic compound substrate in the presence of a perfluoroalkyl iodide, typically in a closed system, wherein the heating is sufficient to bring both the polyaromatic hydrocarbons or polyheterocyclic compound, and the perfluoroalkyl iodide, into the gas phase, thereby allowing the substrate to react with the perfluoroalkyl iodide in the gas phase to form polyaromatic hydrocarbons or polyheterocyclic compounds having one or more perfluoroalkyl substituents. The methods allow for the creation of versatile libraries of novel perfluoroalkyl-containing derivatives that can serve as important building blocks and active components in biomedical, electronic, and materials applications.
    Type: Application
    Filed: February 6, 2014
    Publication date: August 7, 2014
    Applicant: Colorado State University Research Foundation
    Inventors: Steven S. Strauss, Olga V. Boltalina, Igor V. Kuvychko
  • Publication number: 20140213798
    Abstract: It is an object of the present invention to provide a material having a high Tg and a wide energy gap. The present invention provides a spirofluorene derivative represented by General Formula 1. (In the formula, R1 is any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, or a group represented by General Formula 2. Each of R2 and R3 is either hydrogen or an alkyl group having 1 to 4 carbon atoms and may be identical or different. R4 is an aryl group having 6 to 15 carbon atoms. Each of R5 and R6 is any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 15 carbon atoms and may be identical or different.
    Type: Application
    Filed: April 3, 2014
    Publication date: July 31, 2014
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Sachiko KAWAKAMI, Harue NAKASHIMA
  • Publication number: 20140206887
    Abstract: An object is to provide a light-emitting element with high emission efficiency which includes a novel carbazole derivative that has a wide energy gap and can be used for a transport layer or a host material in a light-emitting element. A carbazole derivative in which the 4-position of dibenzothiophene or dibenzofuran is bonded to the 2- or 3-position of carbazole has been able to be provided by use of the carbazole derivative. Further, a light-emitting element having high emission efficiency has been able to be provided by use of the carbazole derivative.
    Type: Application
    Filed: March 13, 2014
    Publication date: July 24, 2014
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Satoshi Seo, Harue Osaka, Sachiko Kawakami, Nobuharu Ohsawa, Tsunenori Suzuki, Hiromi Nowatari, Hiroki Suzuki, Kyoko Takeda
  • Publication number: 20140203251
    Abstract: Provided are a novel compound and an organic electronic device (OED) including the same. The novel compound has better hole injection and hole transport properties than a conventional material, and thus may enhance thermal stability and efficiency when used as a material for a hole injection or hole transport layer of the OED.
    Type: Application
    Filed: May 25, 2012
    Publication date: July 24, 2014
    Applicant: LMS CO., LTD.
    Inventors: Joon Ho Jung, Jeong Og Choi, Oh Kwan Kwon, Ah Reum Hwang
  • Publication number: 20140203216
    Abstract: The present invention relates to a compound of the formula (I), (II) or (III), to the use of the compound in an electronic device, and to an electronic device comprising a compound of the formula (I), (II) or (III). The present invention furthermore relates to a process for the preparation of a compound of the formula (I), (II) or (III) and to a formulation comprising one or more compounds of the formula (I), (II) or (III).
    Type: Application
    Filed: July 5, 2012
    Publication date: July 24, 2014
    Applicant: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Arne Buesing, Christof Pflumm, Teresa Mujica-Fernaud, Philipp Stoessel, Thomas Elberle, Frank Voges
  • Patent number: 8785003
    Abstract: An organic EL device material includes at least a unit including 3,5-biscarbazolylphenyl group, a unit including 4-carbazolylphenyl group, and a compound including a unit including a nitrogen-containing aromatic heterocyclic ring bonding the unit including 3,5-biscarbazolylphenyl group and the unit including 4-carbazolylphenyl group.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: July 22, 2014
    Assignee: Idemtisu Kosan Co., Ltd.
    Inventors: Tetsuya Inoue, Kumiko Hibino, Kei Yoshida, Kazuki Nishimura, Toshihiro Iwakuma
  • Patent number: 8771845
    Abstract: Disclosed herein are compounds represented by Formula 1, wherein R1, Ar1, X, Ar2, Ar3, and Het are described herein. Compositions and light-emitting devices related thereto are also disclosed.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: July 8, 2014
    Assignee: Nitto Denko Corporation
    Inventors: Shijun Zheng, Jensen Cayas, Sheng Li, Amane Mochizuki, Hyun Sik Chae, Brett T. Harding
  • Patent number: 8771840
    Abstract: Provided are a heterocyclic compound which emits blue light and is represented by General Formula (G1) below, and a light-emitting element, a light-emitting device, an electronic device and a lighting device which are formed using the heterocyclic compound represented by General Formula (G1) below. The use of the heterocyclic compound represented by General Formula (G1) makes it possible to provide a light-emitting element which has high emission efficiency, and also a light-emitting device, an electronic device and a lighting device which have reduced power consumption.
    Type: Grant
    Filed: November 9, 2010
    Date of Patent: July 8, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hiroki Suzuki, Tsunenori Suzuki, Satoshi Seo
  • Patent number: 8771844
    Abstract: A heterocyclic compound, an organic light-emitting diode, and a flat display device, the heterocyclic compound being represented by Formula 1, below:
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: July 8, 2014
    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, Se-Jin Cho, Jong-Hyuk Lee, Sung-Chul Kim
  • Patent number: 8771841
    Abstract: A problem of the invention is to provide an organic EL device having a high efficiency, a low driving voltage and a long life, by combining various materials for organic EL device, which are excellent in an injection or transportation performance of holes or electrons, and in stability and durability in a thin film, so as to enable the respective materials to effectively reveal their characteristics. The invention relates to an organic electroluminescent device including at least an anode electrode, a hole-injecting layer, a hole-transporting layer, an emitting layer, an electron-transporting layer and a cathode electrode in this order, in which the hole-injecting layer contains an arylamine compound having, in its molecule, a structure in which three or more triphenylamine structures are connected through a single bond or a hetero atom-free divalent group; and the hole-transporting layer contains an arylamine compound having two triphenylamine structures in its molecule.
    Type: Grant
    Filed: May 15, 2009
    Date of Patent: July 8, 2014
    Assignee: Hodogaya Chemical Co., Ltd.
    Inventors: Norimasa Yokoyama, Shigeru Kusano, Shuichi Hayashi
  • Publication number: 20140187791
    Abstract: To provide a method for producing a wide variety of carbazole derivatives which have a simple and uncomplicated process and in which variations in the yield, purity, etc. of a desired substance which are caused by an aryl group introduced is reduced as much as possible. A method for producing a carbazole derivative represented by General Formula (1) is provided, in which 9-[4-(10-phenyl-9-anthryl)phenyl]-9H-carbazole having an active site at the 3-position of the carbazole skeleton and an aromatic compound having an active site are coupled. In the formula, Ar1 represents an aryl group with 6 to 13 carbon atoms in a ring, and Ar1 may have a substituent.
    Type: Application
    Filed: March 7, 2014
    Publication date: July 3, 2014
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hiroki Suzuki, Sachiko Kawakami, Nobuharu Ohsawa, Satoshi Seo
  • Patent number: 8765738
    Abstract: Compounds of the general structural formula (I) and (II) and use of the compounds and salts and hydrates thereof, as therapeutic agents are disclosed. Treatable diseases and conditions include cancers, inflammatory diseases and conditions, and immunodeficiency diseases.
    Type: Grant
    Filed: October 5, 2009
    Date of Patent: July 1, 2014
    Assignee: Incuron, LLC
    Inventors: John Tucker, Sergey Sviridov, Leonid Brodsky, Catherine Burkhart, Andrei Purmal, Katerina Gurova, Andrei Gudkov
  • Publication number: 20140175406
    Abstract: A phosphorescent compound is disclosed. The phosphorescent compound represented by the following Chemical Formula 1, where X, Y, and Z are each selected from the group consisting of carbon and nitrogen, and when x, y, and z are all carbon, R is any one selected from the group consisting of carbazole, ?-carboline, ?-carboline, ?-carboline, fluorine, dibenzothiophene, dibenzofuran, triphenylsilane, tetraphenylsilane, pyridine, quinoline, isoquinoline, pyrimidine, diphenylphosphineoxide, and substituents thereof.
    Type: Application
    Filed: December 9, 2013
    Publication date: June 26, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Bangsook Lee, Jongkwan Bin, Bomin Seo
  • Patent number: 8759819
    Abstract: An organic electroluminescence device includes an anode, a cathode, and an organic thin-film layer interposed between the anode and the cathode. The organic thin-film layer includes a phosphorescent-emitting layer containing a host and a phosphorescent dopant, and an electron transporting layer that is provided closer to the cathode than the phosphorescent-emitting layer. The host contains a substituted or unsubstituted polycyclic fused aromatic skeleton.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: June 24, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Kazuki Nishimura, Toshihiro Iwakuma, Kenichi Fukuoka, Chishio Hosokawa, Jun Endo, Nobuhiro Yabunouchi, Hiroshi Yamamoto
  • Publication number: 20140166988
    Abstract: The present invention discloses a novel organic compound is represented by the following formula(I), the organic EL device employing the organic compound as host material or dopant material of emitting layer and/or as electron transporting material can lower driving voltage, prolong half-lifetime and increase the efficiency. wherein m represent an integer of 0 to 10, n represent an integer of 0 to 2. X is a divalent bridge selected from the atom or group consisting from O, S, C(R5)2, N(R5), Si(R5)2. Ar, R1 to R4 are substituents and the same definition as described in the present invention.
    Type: Application
    Filed: December 17, 2012
    Publication date: June 19, 2014
    Applicant: LUMINESCENCE TECHNOLOGY CORPORATION
    Inventors: Feng-Wen Yen, Chen-Hao Chang
  • Patent number: 8753641
    Abstract: The invention relates to molecules for treatment and diagnosis of tumors and malignancies, comprising a tumor seeking biomolecule, which is coupled to an intercalating moiety, which is capable of complexing a metal, which metal is preferably a radioactive metal, to the use of these molecules and to therapeutic and diagnostic compositions containing them.
    Type: Grant
    Filed: July 20, 2009
    Date of Patent: June 17, 2014
    Assignee: University of Zurich
    Inventors: Roger Ariel Alberto, Pascal Jean-Marie Hafliger
  • Publication number: 20140163232
    Abstract: A method of producing an aromatic amino compound by using a primary or secondary amine compound having an aromatic ring group and a halogenated aromatic compound as starting materials, reacting the amine compound with the halogenated aromatic compound in the presence of a copper catalyst and a base so as to produce the aromatic amino compound having a structure in which an aromatic ring group derived from the halogenated aromatic compound is coupled to the amino group of the amine compound, wherein the amine compound and the halogenated aromatic compound are reacted together under a condition where an aromatic oxycarboxylic acid having a hydroxyl group and a hydroxycarbonyl group that are bonded to neighboring carbon atoms, is made present together with the copper catalyst and the base.
    Type: Application
    Filed: December 2, 2013
    Publication date: June 12, 2014
    Applicant: HODOGAYA CHEMICAL CO., LTD.
    Inventors: Norimasa YOKOYAMA, Makoto NAGAOKA, Kazunori TOGASHI
  • Patent number: 8748014
    Abstract: The present invention relates to a compound having a substituted anthracene ring structure and a pyridoindole ring structure, which is represented by the following general formula (1) or the following general formula (2); and an organic electroluminescent device having a pair of electrodes and at least one organic layer interposed therebetween, in which the compound having a substituted anthracene ring structure and a pyridoindole ring structure, which is represented by the following general formula (1) or the following general formula (2), is used as a constituent material of the aforementioned at least one organic layer.
    Type: Grant
    Filed: November 10, 2010
    Date of Patent: June 10, 2014
    Assignee: Hodogaya Chemical Co., Ltd.
    Inventors: Norimasa Yokoyama, Shuichi Hayashi, Kouki Kase, Hiroshi Ohkuma, Eiji Takahashi, Daizou Kanda
  • Patent number: 8748012
    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: May 25, 2011
    Date of Patent: June 10, 2014
    Assignee: Universal Display Corporation
    Inventors: Lichang Zeng, Alexey B. Dyatkin, Gregg Kottas
  • Publication number: 20140155623
    Abstract: A hole transport material for the organic electroluminescence device, the hole transport material being represented by the following Formula 1,
    Type: Application
    Filed: November 27, 2013
    Publication date: June 5, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hiroaki ITOI