Pentacyclo Ring System Having The Five-membered Hetero Ring As One Of The Cyclos Patents (Class 548/418)
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Patent number: 8652653Abstract: Novel materials are provided, having a single phenyl or a chain of phenyls where there is a nitrogen atom on each end of the single phenyl or chain of phenyls. The nitrogen atom may be further substituted with particular thiophene, benzothiophene, and triphenylene groups. Organic light-emitting devices are also provided, where the novel materials are used as a hole transport material in the device. Combinations of the hole transport material with specific host materials are also provided.Type: GrantFiled: June 30, 2009Date of Patent: February 18, 2014Assignee: Universal Display CorporationInventors: Chun Lin, Bin Ma, Chuanjun Xia, Yonggang Wu, Raymond Kwong
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Patent number: 8653286Abstract: Methods for forming maleimide functionalized polymers are provided. In one such embodiment, a maleimide functionalized polymer is prepared in a method that includes a step of carrying out a reverse Diels-Alder reaction. Intermediates useful in the methods, as well as methods for preparing the intermediates, are also provided. Also provided are polymeric reagents, methods of using polymeric reagents, compounds and conjugates.Type: GrantFiled: August 7, 2012Date of Patent: February 18, 2014Assignee: Nektar TherapeuticsInventors: Samuel P. McManus, Antoni Kozlowski, Tracy L. Hutchison, Brian Bray, Xiaoming Shen
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Publication number: 20140042411Abstract: Provided is a method for purifying an organic material having a 10% weight reduction temperature of 250° C. or more as measured by thermogravimetry at a vacuum degree of 1×10?2 Pa or less, which may sublime and purify the organic material having high heat resistance at high sublimation temperature with high purity and high yield in a short period of time, in which the organic material is subjected sublimation purification after a concentration of inorganic impurities in the organic material is adjusted to 5,000 ppm or less.Type: ApplicationFiled: October 7, 2013Publication date: February 13, 2014Applicant: FUJIFILM CORPORATIONInventor: Eiji FUKUZAKI
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Patent number: 8642189Abstract: The invention provides an organic compound which shows an excellent electron-injecting/transporting performance, has a hole-blocking ability and shows a high stability as a film, that is, having excellent characteristics as a material for organic electroluminescent device having high efficiency and high durability; and provides an organic EL device comprising the compound and having high efficiency and high durability.Type: GrantFiled: February 25, 2009Date of Patent: February 4, 2014Assignees: Hodogaya Chemical Co., Ltd., Shinshu University, National University CorporationInventors: Norimasa Yokoyama, Shuichi Hayashi, Makoto Nagaoka, Yoshio Taniguchi, Musubu Ichikawa
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Publication number: 20140027755Abstract: The present invention relates to an electronic device comprising one or more compounds of a formula (I) or (II). Furthermore, the invention encompasses the use of a compound of the formula (I) or (II) in an electronic device, and the provision of certain compounds of the formula (I) or (II).Type: ApplicationFiled: March 15, 2012Publication date: January 30, 2014Applicant: Merck Patent GmbH Patents & Scientific InformationInventors: Teresa Mujica-Fernaud, Christof Pflumm, Irina Martynova
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Publication number: 20140027747Abstract: The present invention relates to a compound, which is represented by one chemical formula among the chemical formulas (1) to (3), an organic electronic element comprising the compound, and an electronic device comprising the organic electronic element. The compound is characterized by comprising at least one phenyl group having at least one substitution with deuterium or tritium.Type: ApplicationFiled: March 29, 2012Publication date: January 30, 2014Applicant: DUKSAN HIGH METAL CO., LTD.Inventors: Soungyun Mun, Bumsung Lee, Jungcheol Park, Kiwon Kim, Yongwook Park, Jeongkeun Park, Heesun Ji, Junghwan Park
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Patent number: 8623521Abstract: A heterocyclic compound, an organic light-emitting diode, and a flat display device, the heterocyclic compound being represented by Formula 1, below:Type: GrantFiled: December 6, 2011Date of Patent: January 7, 2014Assignee: 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, Hee-Joo Ko, Jong-Hyuk Lee, Sung-Chul Kim
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Patent number: 8614011Abstract: An electroluminescent material comprises the following structural unit: where X is selected from a group consisting of NR, O, S, SO, SO2, CR2, PR, POR, BR, SiR2; where R is a substituent group and Ar1 and Ar2 comprise aromatic rings; and, wherein Ar1 or Ar2 is fused to a further aryl system Ar3. An optical device comprises a first electrode for injection of positive charge carriers, a second electrode for injection of negative charge carriers and a layer located between the first and second electrode comprising the electroluminescent material.Type: GrantFiled: July 23, 2009Date of Patent: December 24, 2013Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Co., Ltd.Inventors: Annette Steudel, Thomas Pounds
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Publication number: 20130336993Abstract: Methods for identifying compounds that modulate the generation of regulatory T cells (Treg) in vivo and in vitro, i.e., compounds that act on the transcription factors that increase or decrease expression of Foxp3.Type: ApplicationFiled: January 18, 2013Publication date: December 19, 2013Applicant: THE BRIGHAM AND WOMEN'S HOSPITAL, INC.Inventors: Howard Weiner, Francisco J. Quintana
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Patent number: 8609867Abstract: A substituted indolocarbazole comprising at least one optionally substituted thienyl.Type: GrantFiled: February 6, 2012Date of Patent: December 17, 2013Assignee: Xerox CorporationInventors: Yiliang Wu, Beng S. Ong, Yu Qi, Yuning Li
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Patent number: 8603644Abstract: Novel anthracene derivatives, novel materials capable of blue light emission with high color purity, and a light-emitting element, a light-emitting device, and an electronic device using any of the novel materials. The anthracene derivative represented by general formula (1) is provided. With the anthracene derivative, a light-emitting element with high emission efficiency can be provided. With the anthracene derivative, a light-emitting element emitting blue light with high color purity can be provided. In the formula, A1 represents a substituted or unsubstituted phenyl group, B1 represents any of an alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted phenyl group, ? represents any of a substituted or unsubstituted phenylene group or a substituted or unsubstituted biphenyl-4,4?-diyl group, and R1 to R9 individually represent any of hydrogen, an alkyl group having 1 to 4 carbon atoms, or a substituted or unsubstituted phenyl group.Type: GrantFiled: December 16, 2008Date of Patent: December 10, 2013Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Harue Osaka, Sachiko Kawakami, Nobuharu Ohsawa, Satoshi Seo
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Publication number: 20130323913Abstract: A dichalcogenobenzodipyrrole compound represented by the formula (1): (wherein, X and Y represent each independently a sulfur atom, an oxygen atom, a selenium atom, a tellurium atom or SO2. R1 to R8 represent each independently a hydrogen atom, a halogen atom, an alkyl group having 1 to 30 carbon atoms, an alkoxy group having 1 to 30 carbon atoms, an alkenyl group having 2 to 30 carbon atoms, an alkynyl group having 2 to 30 carbon atoms, an alkylthio group having 1 to 30 carbon atoms, an aryl group having 6 to 30 carbon atoms or a heteroaryl group having 4 to 30 carbon atoms and the like.) is utilizable in an organic semiconductor device having high carrier mobility.Type: ApplicationFiled: February 3, 2012Publication date: December 5, 2013Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Yasuo Miyata
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Publication number: 20130320262Abstract: The present invention relates to a compound of a formula (I), (II) or (III), to the use of this compound in an electronic device, and to an electronic device comprising one or more compounds of the formula (I), (II) or (III). The 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: ApplicationFiled: January 18, 2012Publication date: December 5, 2013Applicant: MERCK PATENT GMBHInventors: Irina Martynova, Amir Hossain Parham, Christof Pflumm
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Publication number: 20130320269Abstract: This invention relates to a novel process for preparing compounds comprising moieties of formula (I) and polymers comprising monomers of formula (II) or (III) as defined herein. The present invention also provides novel compounds of formula (I) and novel polymers comprising monomers of formula (II) or (III) as defined herein, as well as to the use of such compounds and polymers in organic semiconductor applications.Type: ApplicationFiled: December 8, 2011Publication date: December 5, 2013Applicant: THE UNIVERSITY OF MANCHESTERInventors: Nicolas Cocherel, Benjamin John Lidster, Michael L. Turner
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Patent number: 8598369Abstract: The instant invention pertains to novel bi- or tricyclic sterically hindered alkoxyamines, their precursors, a process for their preparation and their use as light stabilizers for polymers or coatings, as flame retardants, as peroxide substitutes (rheology modifiers) or carbon radical scavengers.Type: GrantFiled: August 3, 2010Date of Patent: December 3, 2013Assignee: BASF SEInventors: Stefan Hauck, Walter Fischer, Kai-Uwe Schöning
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Publication number: 20130317475Abstract: The present invention relates to substances, to electroluminescent devices comprising these substances, and to the use thereof.Type: ApplicationFiled: January 18, 2012Publication date: November 28, 2013Applicant: MERCK PATENT GMBHInventors: Thomas Eberle, Rémi Manouk Anémian, Sigurd Hoeger, Vanessa Bobbe, Anna Jochemich
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Patent number: 8592053Abstract: Novel anthracene derivatives are provided. Further, a light-emitting element, a light-emitting device, and an electronic appliance each using the novel anthracene derivative are provided. Anthracene derivatives represented by general formulae (G11) and (G21) are provided. The anthracene derivatives represented by the general formulae (G11) and (G21) each emit blue light with high color purity and have a carrier-transporting property. Therefore, each of the anthracene derivatives represented by the general formulae (G11) and (G21) is suitable for use in a light-emitting element, a light-emitting device, and an electronic appliance.Type: GrantFiled: April 21, 2009Date of Patent: November 26, 2013Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Sachiko Kawakami, Tsunenori Suzuki, Nobuharu Ohsawa, Satoko Shitagaki, Satoshi Seo
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Patent number: 8592054Abstract: A thiophene derivative, which has a chemical structure of formula (1): wherein, X is a substituted or non-substituted C6-C20 aromatic or C1-C20 aliphatic group; R1 and R2 are independently H, a C1-C10 linear, branched, or cyclic aliphatic group, or connected with the carbon atoms of formula (1) to form a first heterocyclic ring; R3 and R4 are independently H, a C1-C10 linear, branched, or cyclic aliphatic group, or connected with the carbon atoms of formula (1) to form a second heterocyclic ring; and b is an integer ranging from 1 to 10, with a proviso that X is not when all of R1, R2, R3 and R4 are H.Type: GrantFiled: June 17, 2009Date of Patent: November 26, 2013Assignee: Eternal Chemical Co., Ltd.Inventor: Shinn-Horng Chen
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Compound for organic electroluminescent device and organic electroluminescent device having the same
Patent number: 8592055Abstract: The present invention provides a compound of formula (I) for an organic electroluminescent device: wherein X and Y are each independently selected for the group consisting of an alkyl substituted, aryl substituted or unsubstituted carbazole, indolocarbazole, triphenylsilyl and diphenylphosphine oxide represented by formula (A), (B), (C), (D) or (E).Type: GrantFiled: June 16, 2011Date of Patent: November 26, 2013Assignee: E-Ray Optoelectronics Technology Co., Ltd.Inventors: Banumathy Balaganesan, Yi-Huan Fu, Huang-Ming Guo -
Patent number: 8580396Abstract: The present invention relates to novel carbazole derivatives and an organic light-emitting diode device using the same. These carbazole derivatives can simultaneously or singly be used as a hole transporting layer, a host or guest of an emitting layer or an electron transporting layer of an organic light-emitting diode device.Type: GrantFiled: January 21, 2011Date of Patent: November 12, 2013Assignee: China Petrochemical Development CorpInventors: Hsiao Chan Liu, Min Sheng Chen, Chin Yi Lee
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Publication number: 20130256645Abstract: A compound for an organic optoelectronic device, an organic light emitting diode including the same, and a display device including the organic light emitting diode are disclosed, the compound being represented by the following Chemical Formula 1:Type: ApplicationFiled: June 3, 2013Publication date: October 3, 2013Inventors: Soo-Hyun MIN, Eun-Sun YU, Hyung-Sun KIM, Mi-Young CHAE
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Patent number: 8535814Abstract: Embodiments of the present invention are directed to heterocyclic compound and an organic light-emitting device including the heterocyclic compound. The heterocyclic compound is represented by Formula 1.Type: GrantFiled: August 10, 2010Date of Patent: September 17, 2013Assignee: Samsung Display Co., Ltd.Inventors: Yoon-Hyun Kwak, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Jong-Hyuk Lee, Jin-O Lim, Hyung-Jun Song
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Patent number: 8530063Abstract: A compound for an organic photoelectric device an organic photoelectric device, and a display device, the compound being represented by the following Chemical Formula 1:Type: GrantFiled: April 20, 2012Date of Patent: September 10, 2013Assignee: Cheil Industries, Inc.Inventors: Eun-Sun Yu, Ho-Jae Lee, Young-Sung Park, Mi-Young Chae, Hyung-Sun Kim, Soo-Hyun Min, Eui-Su Kang, Sung-Hyun Jung, Ja-Hyun Kim
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Patent number: 8530660Abstract: The present invention relates to carboxamide-substituted dyes, the production and use of such dyes as labeling groups in analytics.Type: GrantFiled: March 18, 2011Date of Patent: September 10, 2013Assignee: ATTO-TEC GmbHInventors: Jutta Arden-Jacob, Karl-Heinz Drexhage, Monika Hamers-Schneider, Norbert Kemnitzer, Alexander Zilles
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Patent number: 8524380Abstract: Embodiments of the present invention are directed to heterocyclic compounds and organic light-emitting devices including the heterocyclic compounds. The organic light-emitting devices using the heterocyclic compounds have high-efficiency, low driving voltages, high luminance and long lifespans.Type: GrantFiled: August 20, 2010Date of Patent: September 3, 2013Assignee: Samsung Display Co., Ltd.Inventors: Young-Kook Kim, Seok-Hwan Hwang, Yoon-Hyun Kwak, Hye-Jin Jung, Jong-Hyuk Lee, Jin-O Lim
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Publication number: 20130180589Abstract: The present invention relates to organic photovoltaic cell materials and components and particularly, to the organic photovoltaic cell materials and the components with high optical conversion efficiency, simple preparation process and low cost. The chemical formula of the materials is represented by chemical formula (I): where n is a natural number and X is the following chemical formula (II): where m is 1˜3 and A is hydrogen, fluorine, chlorine, C1˜C18-alkyl, thienyl, phenyl or pyridyl in which thienyl, phenyl or pyridyl may be substituted with C1˜C18-alkyl in any position.Type: ApplicationFiled: April 3, 2012Publication date: July 18, 2013Applicant: LUMINESCENCE TECHNOLOGY CORPORATIONInventors: Feng-Wen YEN, Cheng-Hao CHANG, Chin-Min TENG
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Publication number: 20130171715Abstract: Fluorescent phenyl xanthene dyes are described that comprise any fluorescein, rhodamine or rhodol comprising a particular C9 phenyl ring. One or both of the ortho groups on the lower C9 phenyl ring is ortho substituted with a group selected from alkyl, heteroalkyl, alkoxy, halo, haloalkyl, amino, mercapto, alkylthio, cyano, isocyano, cyanato, mercaptocyanato, nitroso, nitro, azido, sulfeno, sulfinyl, and sulfino. In one embodiment, halo and/or hydroxy groups are used. Optimal dyes contain a lower C9 phenyl ring in which both ortho groups are the same and the lower ring exhibits some form a symmetry relative to an imaginary axis running from the phenyl rings point of attachment to the remainder of the xanthene dye through a point para to the point of attachment. The phenyl xanthene dyes may be activated. Furthermore, the phenyl xanthene dyes may be conjugated to one or more substances including other dyes.Type: ApplicationFiled: January 16, 2013Publication date: July 4, 2013Applicant: LIFE TECHNOLOGIES CORPORATIONInventor: LIFE TECHNOLOGIES CORPORATION
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Publication number: 20130153874Abstract: Provided are an organic electroluminescence device, which: shows high luminous efficiency; is free of any pixel defect; and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound of a specific structure having a ?-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, or oxygen atom. The organic electroluminescence device has one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the material for an organic electroluminescence device.Type: ApplicationFiled: February 5, 2013Publication date: June 20, 2013Applicant: IDEMITSU KOSAN CO., LTD.Inventor: IDEMITSU KOSAN CO., LTD.
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Publication number: 20130146851Abstract: Disclosed are new compounds having semiconducting properties. Such compounds can be processed into thin film semiconductors that exhibit high carrier mobility and/or good current modulation characteristics.Type: ApplicationFiled: November 21, 2012Publication date: June 13, 2013Applicant: POLYERA CORPORATIONInventor: Polyera Corporation
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Patent number: 8455867Abstract: 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: GrantFiled: April 1, 2011Date of Patent: June 4, 2013Assignee: 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
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Publication number: 20130126856Abstract: An organic compound with excellent characteristics excelling in hole-injecting/transporting performance and having electron blocking ability, high stability in a thin-film state and high luminous efficiency is provided as material for an organic electroluminescent device. The compound of a general formula (1) having an indenocarbazole ring structure is used as a constituent material of at least one organic layer in the organic electroluminescent device that includes a pair of electrodes and one or more organic layers sandwiched between the pair of electrodes.Type: ApplicationFiled: July 29, 2011Publication date: May 23, 2013Applicant: HODOGAYA CHEMICAL CO., LTD.Inventors: Norimasa Yokoyama, Makoto Nagaoka, Kazunori Togashi, Kouki Kase, Eiji Takahashi
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Publication number: 20130126792Abstract: The present invention relates to compounds of the formula (I), to the use of compounds of the formula (I) in electronic devices and 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: ApplicationFiled: July 12, 2011Publication date: May 23, 2013Applicant: Merck Patent GmbHInventors: Irina Martynova, Adam W. Franz, Christof Pflumm, Amir Hossain Parham, Arne Buesing, Rémi Manouk Anémian, Anja Gerhard
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Publication number: 20130116297Abstract: The present invention relates to novel fusarisetin compounds separated from Fusarium sp. FN080326 and having an anticancer activity, and to the use thereof. In detail, novel fusarisetin compounds separated and purified from Fusarium sp. FN080326, which is in turn separated from a soil sample, have an inhibitory activity on the proliferation and transfer of cancer cells such as breast cancer cells, liver cancer cells or myeloid leukemic cells. Therefore, the compounds can be effectively used for anticancer compositions containing the compounds as active ingredients.Type: ApplicationFiled: July 20, 2011Publication date: May 9, 2013Applicant: KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGYInventors: Jong Seog Ahn, Jae-Hyuk Jang, Bo Yeon Kim, JunPhil Jang, Yukihiro Asami, Hyuncheol Oh
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Publication number: 20130113367Abstract: 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: ApplicationFiled: April 12, 2012Publication date: May 9, 2013Applicant: Samsung Mobile 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
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Patent number: 8436170Abstract: The present invention relates to fluorescent dyes in general. The present invention provides a wide range of fluorescent dyes and kits containing the same, which are applicable for labeling a variety of biomolecules, cells and microorganisms. The present invention also provides various methods of using the fluorescent dyes for research and development, forensic identification, environmental studies, diagnosis, prognosis, and/or treatment of disease conditions.Type: GrantFiled: February 3, 2010Date of Patent: May 7, 2013Assignee: Biotium, Inc.Inventors: Fei Mao, Wai-Yee Leung, Ching-Ying Cheung
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Patent number: 8431602Abstract: Novel heterocyclic compounds of the formula I in which R1, R2, R2?, R2?, R3, R4, R5, R6, R7 and R8 have the meanings indicated in Claim 1, are activators of glucokinase and can be used for the prevention and/or treatment of Diabetes Typ 1 and 2, obesity, neuropathy and/or nephropathy.Type: GrantFiled: December 23, 2008Date of Patent: April 30, 2013Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Stefan Bender, Lars Thore Burgdorf, Ulrich Emde, Norbert Beier, Johannes Gleitz, Christine Charon
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Patent number: 8415347Abstract: This invention concerns novel substituted tetracyclic tetrahydrofuran, pyrrolidine and tetrahydrothiophene derivatives with binding affinities towards serotonin receptors, in particular 5-HT2A and 5-HT2C receptors, and towards dopamine receptors, in particular dopamine D2 receptors and with norepinephrine reuptake inhibition properties, pharmaceutical compositions comprising the compounds according to the invention, the use thereof as a medicine, in particular for the prevention and/or treatment of a range of psychiatric and neurological disorders, in particular certain psychotic, cardiovascular and gastrokinetic disorders and processes for their production. The compounds according to the invention can be represented by general Formula (I) and comprises also the pharmaceutically acceptable acid or base addition salts thereof, the stereochemically isomeric forms thereof, the N-oxide form thereof and prodrugs thereof, wherein all substituents are defined as in Claim 1.Type: GrantFiled: August 5, 2010Date of Patent: April 9, 2013Assignee: Janssen Pharmaceutica, NVInventors: José Maria Cid-Núñez, Antonius Adrianus Hendrikus Petrus Megens, Andrés Avelino Trabanco-Suárez, Mohamed Koukni, Georges Joseph Cornelius Hoornaert, Frans Josef Cornelius Compernolle, Tomasz Kozlecki, Hua Mao, Sushil Chandra Jha, Francisco Javier Fernández-Gadea
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Patent number: 8409730Abstract: Provided are an organic electroluminescence device, which: shows high luminous efficiency; is free of any pixel defect; and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound of a specific structure having a ?-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, or oxygen atom. The organic electroluminescence device has one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the material for an organic electroluminescence device.Type: GrantFiled: January 19, 2012Date of Patent: April 2, 2013Assignee: Idemitsu Kosan Co., Ltd.Inventors: Tomoki Kato, Masaki Numata, Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa
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Patent number: 8405074Abstract: 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: GrantFiled: April 1, 2011Date of Patent: March 26, 2013Assignee: 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
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Publication number: 20130069049Abstract: Disclosed are a compound comprising a five-membered hetero ring, an organic electrical element using the same and a terminal thereof.Type: ApplicationFiled: May 26, 2011Publication date: March 21, 2013Applicant: DUKSAN HIGH METAL CO., LTD.Inventors: Junghwan Park, Daesung Kim, Heesun Ji, Soungyun Mun, Sunhee Lee, Bumsung Lee
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Patent number: 8389986Abstract: A condensed-cyclic compound and an OLED including the same, the condensed-cyclic compound represented by Formula 1 below:Type: GrantFiled: April 1, 2011Date of Patent: March 5, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hee-Yeon Kim, Seung-Gak Yang, Jeoung-In Yi, Jae-Yong Lee, Yoon-Hyun Kwak
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Publication number: 20130053558Abstract: The invention relates to compounds of the formula (1), to a method for producing compounds of the formula (1), to the use of the compounds in electronic devices and to electronic devices containing compounds according to formula (1), preferably as electron transport materials, as matrix materials, as electron blocking materials or as emitting materials.Type: ApplicationFiled: October 14, 2010Publication date: February 28, 2013Applicant: Merck Patent GmbHInventors: Christof Pflumm, Arne Buesing, Amir Hossain Parham, Rocco Fortte, Holger Heil, Philipp Stoessel, Teresa Mujica-Fernaud
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Patent number: 8372529Abstract: Provided are an organic electroluminescence device, which: shows high luminous efficiency; is free of any pixel defect; and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound of a specific structure having a ?-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, or oxygen atom. The organic electroluminescence device has one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the material for an organic electroluminescence device.Type: GrantFiled: October 11, 2011Date of Patent: February 12, 2013Assignee: Idemitsu Kosan Co., Ltd.Inventors: Tomoki Kato, Masaki Numata, Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa
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Publication number: 20130032787Abstract: A heterocyclic compound represented by Formula 1 or Formula 2 below, and an organic light-emitting device including the heterocyclic compound. 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. wherein R1 to R12, Ar1, Ar2, A, B, a, and b are defined as in the specification.Type: ApplicationFiled: November 25, 2011Publication date: February 7, 2013Applicant: 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
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Patent number: 8362275Abstract: Monomers and polymers based on dihalogen indolocarbazole and poly(indolocarbazoles), and methods of making such and using the same are described, as well as organic electronic devices incorporating the same.Type: GrantFiled: June 8, 2012Date of Patent: January 29, 2013Assignee: E. I. du Pont de Nemours and CompanyInventor: Hailiang Wang
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Publication number: 20130020563Abstract: 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: ApplicationFiled: October 1, 2012Publication date: January 24, 2013Applicant: IDEMITSU KOSAN CO., LTD.Inventor: IDEMITSU KOSAN CO., LTD.
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Publication number: 20130020561Abstract: Provided is a novel compound which can be used for a transport layer or as a host material or a light-emitting material in a light-emitting element and with which a high-performance light-emitting element can be manufactured. A dibenzo[c,g]carbazole compound in which an aryl group having 14 to 30 carbon atoms and including at least anthracene is bonded to nitrogen of a dibenzo[c,g]carbazole derivative is synthesized. By use of the dibenzo[c,g]carbazole compound, a light-emitting element having very good characteristics can be obtained.Type: ApplicationFiled: July 13, 2012Publication date: January 24, 2013Inventors: Hiroki Suzuki, Satoshi SEO, Sachiko Kawakami, Tsunenori Suzuki
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Publication number: 20120326138Abstract: A heterocyclic compound represented by Formula 1 or Formula 2 below, an organic light-emitting device including the heterocyclic compound, and a flat display device including the organic light-emitting device: wherein Ar1 to Ar16, and R1 to R4 are defined as in the specification.Type: ApplicationFiled: May 24, 2012Publication date: December 27, 2012Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Jeoung-In Yi, Seung-Gak Yang, Hee-Yeon Kim, Jae-Yong Lee
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Patent number: 8318323Abstract: 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: GrantFiled: September 2, 2009Date of Patent: November 27, 2012Assignee: Idemitsu Kosan Co., Ltd.Inventors: Tomoki Kato, Masaki Numata, Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa, Kei Yoshida
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Patent number: 8283053Abstract: To provide a high-performance organic light emitting device and a novel compound possessed by the device. Provided are a novel fluoranthene derivative and an organic light emitting compound having the derivative.Type: GrantFiled: April 24, 2007Date of Patent: October 9, 2012Assignee: Canon Kabushiki KaishaInventors: Masashi Hashimoto, Akihito Saitoh, Naoki Yamada, Satoshi Igawa, Jun Kamatani, Takao Takiguchi, Shinjiro Okada