The Metal Bonded Directly To Carbon, Which Carbon Is A Ring Carbon Of The Six-membered Hetero Ring Or Which Carbon Is Attached Directly Or Indirectly To The Six-membered Hetero Ring By Nonionic Bonding Patents (Class 546/4)
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Patent number: 7641986Abstract: A light emitting device having at least one layer that contains a phosphorescent organometallic dendrimer with a metal cation and two or more coordinating groups as part of its core and wherein at least two of said coordinating groups each have a dendron attached, at least one of which dendrons comprises at least one nitrogen atom which forms a part of an aromatic ring system or is directly bonded to at least two aromatic groups.Type: GrantFiled: March 18, 2003Date of Patent: January 5, 2010Assignees: Isis Innovation Limited, The University Court Of The University Of St. AndrewsInventors: Shih-Chun Lo, Paul Leslie Burn, Ifor David William Samuel, Thomas Dimitrios Anthopoulos
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Publication number: 20090317885Abstract: Disclosed are nitric oxide delivery agents and methods of their use, more specifically to photoactive compounds, which are able to perform targeted delivery of nitric oxide in vitro and in vivo and are useful for medicinal applications including, but not limited, to blood pressure regulation and cancer treatment.Type: ApplicationFiled: August 13, 2009Publication date: December 24, 2009Inventor: Pradip K. Mascharak
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Publication number: 20090318698Abstract: A HEMT device including a GaN channel structure including a very thin (Al, In, Ga)N subchannel layer (14) that is disposed between a first GaN channel layer (12) and a second GaN channel layer (16), to effect band bending induced from the piezoelectric and spontaneous charges associated with the (Al, In, Ga)N subchannel layer. This GaN channel/(Al, In, Ga)N subchannel arrangement effectively disperses the 2DEG throughout the channel of the device, thereby rendering the device more linear in character (relative to a corresponding device lacking the subchannel (Al5In3Ga)N sub-layer), without substantial loss of electron mobility.Type: ApplicationFiled: January 24, 2006Publication date: December 24, 2009Applicant: NOVALED AGInventors: Horst Hartmann, Hartmut Yersin
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Publication number: 20090315454Abstract: The present invention provides an organic EL device having a high luminous efficiency and a long life, and an iridium complex compound used for preparing the above device. The iridium complex compound is represented by the following Formula (1): [in Formula (1), R1 to R4 are each independently a specific group; at least one of R1 to R4 is a group having 2 or more carbon atoms; R5 to R8 are each independently a specific group; and at least one of R5 to R8 is a specific electron-withdrawing group; (with the proviso that R1 to R8 are not combined with each other to form rings)].Type: ApplicationFiled: November 5, 2007Publication date: December 24, 2009Applicant: Showa Denko K.K.Inventor: Takeshi Igarashi
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Patent number: 7635526Abstract: The present invention describes novel organometallic compounds which are phosphorescence emitters. Such compounds can, as active constituents (functional materials), be used in a number of different applications, which in the broadest sense can be classed as belonging to the electronics industry. The compounds according to the invention are described by the formulas (I), (Ia), (II), (IIa), (III), (IIIa), (IV) and (IVa).Type: GrantFiled: March 24, 2003Date of Patent: December 22, 2009Assignee: Merck Patent GmbHInventors: Philipp Stössel, Ingrid Bach, Hubert Spreitzer, Heinrich Becker
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Publication number: 20090309490Abstract: An organic electroluminescent device having a pair of electrodes and at least one organic layer including a light-emitting layer interposed between the pair of electrodes, in which the organic layer contains at least one platinum complex compound having a quadridentate ligand containing a partial structure represented by formula (I): wherein Z1 represents a nitrogen-containing heterocycle coordinated to the platinum through a nitrogen atom; L1 represents a single bond or a linking group; R1, R3 and R4 each independently represent a hydrogen atom or a substituent; and R2 represents a substituent.Type: ApplicationFiled: February 27, 2009Publication date: December 17, 2009Inventors: Toshihiro ISE, Satoshi Sano, Tatsuya Igarashi
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Patent number: 7632827Abstract: Gold(III) phosphine complexes [Aum(CNC)mL]n+ (where HCNCH=2,6-diphenylpyridine) and their use as anti-tumor agents are disclosed. Notable results for the appearance of new potential anti-tumor application of these gold(III) complexes are reported. The described complexes show promising cytotoxic properties toward cancer cells in both in vitro and in vivo studies.Type: GrantFiled: December 20, 2007Date of Patent: December 15, 2009Assignee: The University of Hong KongInventors: Chi Ming Che, Raymond Wai Yin Sun, Zhen Fan Yang, Carrie Ka Lei Li
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Patent number: 7632576Abstract: Light emitting devices are incorporate, as the light emitting element, a dendrimer of which the constituent dendrons include a conjugated dendritic structure comprising aryl and/or heteroaryl groups connected to each other via bonds between sp2 hybridized ring atoms of said aryl or heteroaryl groups.Type: GrantFiled: February 20, 2002Date of Patent: December 15, 2009Assignees: Isis Innovation Limited, The University Court of the University of St. AndrewsInventors: Paul Leslie Burn, Ifor David Samuel, Shih-Chun Lo
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Publication number: 20090302754Abstract: A process for preparing a compound having the formula L2IrL? is provided. The process comprises: combining and L? in the presence of an organic solvent to form a mixture, wherein L is a suitable carbene ligand precursor coordinated to Ir; and L? is a bidentate ligand or two monodentate ligands, and L is different from L?; Also provided is a process for preparing a compound having the formula The process comprises: (a) combining L, a carbene ligand precursor, with an organic solvent; (b) maintaining the mixture of step (a) at a temperature from about 175° C. to less than the boiling point of the organic solvent in (a). A process for preparing a compound with the formula L3Ir is also provided. This process comprises combining and L in the presence of alcohol and a base to form a mixture, wherein L is a bidentate ligand that may form a five-membered chelate ring.Type: ApplicationFiled: August 18, 2009Publication date: December 10, 2009Inventors: Jui-Yi TSAI, Michael S. BARONE, Arnold TAMAYO, Mark E. THOMPSON
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Patent number: 7629464Abstract: Monocyclopentadienyl complexes in which the cyclopentadienyl system is substituted by at least one bridged donor, where the bridge contains at least one atom of group 14 of the Periodic Table and at least one atom of group 15 or 16 of the Periodic Table, and a catalyst system comprising at least one of the monocyclopentadienyl complexes, and also methods of preparing them, the use of the catalyst system for the polymerization or copolymerization of olefins and a process for preparing polyolefins by polymerization or copolymerization of olefins in the presence of the catalyst system and the preparation of the associated cyclopentadienyl system.Type: GrantFiled: December 15, 2004Date of Patent: December 8, 2009Assignee: Basell Polyolefine GmbHInventors: Shahram Mihan, Markus Enders, Pablo Fernandez
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Publication number: 20090299068Abstract: A 2,2?-bipyridine derivative having a reactive silyl group represented by the following general formula (1): wherein R1 and R2 represent a substituent selected from a monovalent hydrocarbon group, an organoxy group, an acyloxy group, hydroxy group, a halogen atom, hydrogen atom, mercapto group, an amino group, cyano group, cyanate group, isocyanate group, thiocyanate group, and isothiocyanate group; R3 represents a monovalent aliphatic unsaturated hydrocarbon group, an organoxy group, an alkoxy group, an acyloxy group, hydroxy group, a halogen atom, hydrogen atom, mercapto group, an amino group, cyano group, cyanate group, isocyanate group, thiocyanate group, and isothiocyanate group; R4 represents a reactive silyl group represented by the formula: R1R2R3Si, a monovalent hydrocarbon group, or hydrogen atom; R5, R6, R7, and R8 are a monovalent hydrocarbon group or hydrogen atom.Type: ApplicationFiled: May 27, 2009Publication date: December 3, 2009Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Yusuke Ito, Ayumu Kiyomori
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Patent number: 7625639Abstract: A metal-complex compound which comprises a tridentate chelate ligand having a specified partial structure. An organic electroluminescence device which comprises at least one organic thin film layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein the organic thin film layer comprises the metal-complex compound, which emits light by applying an electric voltage between the pair of electrode. The present invention provides an organic EL device which emits blue light with high purity and of short wavelength with an enhanced efficiency of light emission.Type: GrantFiled: November 10, 2005Date of Patent: December 1, 2009Assignees: Idemitsu Kosan Co., Ltd., Chuo UniversityInventors: Masa-aki Haga, Fumio Okuda
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Publication number: 20090292080Abstract: The present invention describes new metal complexes. Such compounds can be used as functional materials in a variety of different applications which can in the broadest sense be considered part of the electronics industry. The compounds of the invention have the formulae (1) and (1a).Type: ApplicationFiled: December 6, 2005Publication date: November 26, 2009Applicant: Merck Patent GmbHInventors: Philipp Stössel, Rocco Fortte, Amir Parham, Horst Vestweber, Holger Heil
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Publication number: 20090278453Abstract: A class of luminescent gold(III) compounds containing a tridentate ligand with one strong ?-donating group having the chemical structure depicted by generic formula (I): wherein: (a) X is selected from nitrogen; (b) Y and Z selected from carbon; (c) A is cyclic structure derivative of pyridine group; (d) B and C are cyclic structure derivative of phenyl groups; (e) R1 is an optionally substituted carbon donor ligand attached to the gold atom; (f) n is zero, a positive integer or a negative integer.Type: ApplicationFiled: June 30, 2009Publication date: November 12, 2009Inventors: Vivian Wing-Wah YAM, Vonika Ka-Man AU, Mei-Yee CHAN, Keith Man-Chung WONG
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Publication number: 20090270622Abstract: Compounds of the formula I or I?, where the radicals R1 are each, independently of one another, a hydrogen atom or C1-C4-alkyl and R?1, is C1-C4-alkyl; X1 and X2 are each, independently of one another, a sec-phosphino group; R2 is hydrogen, R01R02R03Si— is halogen-, hydroxyl-, C1-C8-alkoxy- or R04R05N-substituted C1-C18-acyl or is R06—X01—C(O)—; R01, R02 and R03 are each, independently of one another, C1-C12-alkyl, unsubstituted or C1-C4-alkyl- or C1-C4-alkoxy-substituted C6-C10-aryl or C7-C12-aralkyl; R04 and R05 are each, independently of one another, hydrogen, C1-C12-alkyl, C3-C8-cycloalkyl, C6-C10-aryl or C7-C12-aralkyl, or R04 and R05 together are trimethylene, tetramethylene, pentamethylene or 3-oxapentylene; R06 is C1-C18-alkyl, unsubstituted or C1-C4-alkyl- or C1-C4-alkoxy-substituted C3-C8-cycloalkyl, C6-C10-aryl or C7-C12-aralkyl; X01 is —O— or —NH—; T is C-bonded C3-C20-heteroarylene; v is 0 or an integer from 1 to 4; X1 in the heteroring of the heteroarylene is bound in the ortho position relativeType: ApplicationFiled: April 19, 2006Publication date: October 29, 2009Inventors: Martin Kesselgruber, Marc Thommen, Mathias Lotz
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Publication number: 20090261721Abstract: An organic electroluminescence device, includes: a pair of electrodes; and at least one organic layer including a light emitting layer, the light emitting layer being provided between the pair of electrodes, wherein at least one layer of the at least one organic layer contains a compound represented by formula (1) as defined in the specification.Type: ApplicationFiled: April 21, 2009Publication date: October 22, 2009Applicant: FUJIFILM CorporationInventors: Takeshi Murakami, Toshihiro Ise, Ikuo Kinoshita, Saki Takada, Akira Takeda, Hiroo Takizawa
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Patent number: 7601436Abstract: An organic light emitting device having an anode, a cathode and an organic layer disposed between the anode and the cathode is provided. The organic layer may comprise a compound having at least one zwitterionic carbon donor ligand.Type: GrantFiled: January 10, 2005Date of Patent: October 13, 2009Assignees: The University of Southern California, Universal Display CorporationInventors: Peter Djurovich, Jui-Yi Tsai, Chun Lin, Jason Brooks, Bert Alleyne, Mark E. Thompson, Peter B. MacKenzie, Bin Ma
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Cyclometalated transition metal complex and organic electroluminescent display device using the same
Patent number: 7601438Abstract: A cyclometalated transition metal complex exhibiting phosphorescence with high efficiency and an organic electroluminescent display device using the same are provided. This transition metal complex can be used in forming an organic film of an organic electroluminescent display device. The transition metal complex can emit light at the wavelength range of 400 to 650 nm. Further, the complex can emit white light by using a green light emitting material or a red light emitting material together.Type: GrantFiled: September 7, 2005Date of Patent: October 13, 2009Assignee: Samsung Mobile Display Co., Ltd.Inventors: Das Rupasree Ragini, Seok Chang, Yi-Yeol Lyu, Eun-Sil Han, Young-Hun Byun, Lyong-Sun Pu, Jong-Hyoup Lee -
Publication number: 20090253910Abstract: Phosphorescent organometallic materials are provided, comprising at least one 3-arylacetylacetone ligand. Processes for making such materials, and to organic light emitting devices comprising the materials, are also provided.Type: ApplicationFiled: April 7, 2008Publication date: October 8, 2009Inventors: Bin Ma, Raymond Kwong, Peter B. MacKenzie, Elaine MacKenzie
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Patent number: 7592074Abstract: This invention relates to a light emitting device which comprises at least one layer that contains an organometallic dendrimer having a core comprising a metal cation. The invention also relates to organometallic dendrimers and methods for producing the same.Type: GrantFiled: February 20, 2002Date of Patent: September 22, 2009Assignees: ISIS Innovation Limited, The University Court of the University of St. AndrewsInventors: Paul Leslie Burn, Victor Christou, Shih-Chun Lo, Jonathan Pillow, John Lupton, Ifor Samuel
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Publication number: 20090234121Abstract: The synthesis of discrete, air, protic, and thermally stable transition metal NNC complexes that catalyze the CH activation and functionalization of alkanes and arenes is disclosed. Methods for the selective conversion of methane to methanol or methyl esters in acidic and neutral media are disclosed.Type: ApplicationFiled: January 15, 2009Publication date: September 17, 2009Inventors: Roy A. Periana, William A. Goddard, III, Jonas Oxgaard, Kenneth Young
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Publication number: 20090230852Abstract: The organic electroluminescent compounds according to the present invention are represented by Chemical Formula (1): wherein, L1 represents (C6-C60)arylene or (C3-C60)heteroarylene containing one or more heteroatom(s) selected from N, O and S, or a bivalent group selected from the following structures: L2 and L3 independently represent a chemical bond, or (C1-C60)alkyleneoxy, (C1-C60)alkylenethio, (C6-C60)aryleneoxy, (C6-C60)arylenethio, (C6-C60)arylene or (C3-C60)heteroarylene containing one or more heteroatom(s) selected from N, O and S; Ar1 represents NR41R42, (C6-C60)aryl, (C3-C60)heteroaryl containing one or more heteroatom(s) selected from N, O and S, a 5- or 6-membered heterocycloalkyl containing one or more heteroatom(s) selected from N, O and S, (C3-C60)cycloalkyl, adamantyl, (C7-C60)bicycloalkyl, or a substituent selected from the following structures: and x is an integer from 1 to 4.Type: ApplicationFiled: December 31, 2008Publication date: September 17, 2009Applicant: Gracel Display Inc.Inventors: Soo Young Lee, Hyo Nim Shin, Young Jun Cho, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon
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Patent number: 7589203Abstract: The present invention relates to novel organometallic compounds which are phosphorescence emitters. Such compounds can be used as active components (=functional materials) in a series of different types of application which can be classed within the electronics industry in the broadest sense. The inventive compounds are described by the formulae (1) to (32) and (1a) to (8a).Type: GrantFiled: September 25, 2003Date of Patent: September 15, 2009Assignee: Merck Patent GmbHInventors: Philipp Stössel, Hubert Spreitzer, Ingrid Bach
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Publication number: 20090227747Abstract: This invention relates to new transition metal complexes for use in olefin polymerization and oligomerization. The active complex is a pyridine amide having a metallocenyl substituent as part of the ligand structure. The invention also relates to novel precursors for the ligand systems of such complexes obtained from metallocenyl-substituted pyridine compounds through sequences involving addition-condensation or lithium-halogen exchange (with subsequent metathesis) reactions.Type: ApplicationFiled: March 10, 2008Publication date: September 10, 2009Inventor: John R. Hagadorn
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Patent number: 7585573Abstract: An Ir compound can be a blue phosphorescent material. An organic electroluminescent device can use such a material. An organic layer, such as a light emitting layer, can be composed of the Ir compound. An organic electroluminescent device including such an organic layer may exhibit high color purity and emits dark blue light. Such an organic electroluminescent device may have low consumption power.Type: GrantFiled: February 1, 2005Date of Patent: September 8, 2009Assignee: Samsung Mobile Display Co., Ltd.Inventors: Seok-Jong Lee, Seung-Gak Yang, Hee-Yeon Kim, Young-Kook Kim, Seok-Hwan Hwang, Dae-Yup Shin, Young-Rag Do, Dong-Hyun Jung
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Patent number: 7579093Abstract: An organic electroluminescent device having a pair of electrodes, at least one organic layer between the pair of electrodes, the one organic layer including a light-emitting layer, wherein the one organic layer contains a compound represented by formula (I): wherein Q1 represents an atomic group necessary for forming an unsaturated ring together with the carbon atom, Q2 and Q3 each independently represents an atomic group necessary for forming an unsaturated ring together with the nitrogen atom, the atomic group of each of Q1, Q2 and Q3 may have a hydrogen atom or a substituent, L1 and L2 each independently represents a linking group which may have a substituent, n represents 0 or 1, and A1 represents a structure containing an atom bonded to the platinum atom.Type: GrantFiled: September 16, 2005Date of Patent: August 25, 2009Assignee: FUJIFILM CorporationInventors: Satoshi Sano, Tatsuya Igarashi, Toshihiro Ise
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Patent number: 7579092Abstract: A high-efficient phosphorescent cyclometalated transition metal complex represented by the formula M(C^N)( C^N)?(CN-R)X, and an organic electroluminescent (EL) device using the same. The transition metal complex can be used in formation of an organic layer of the organic EL device and produce white light emission when used together with a green-emitting material and a red-emitting material as well as emission at the wavelength range of 400-650 nm.Type: GrantFiled: March 17, 2005Date of Patent: August 25, 2009Assignee: Samsung Mobile Display Co., Ltd.Inventors: Das Rupasree Ragini, Seok Chang, Yi-Yeol Lyu, Eun-Sil Han, Young-Hun Byun, Lyong-Sun Pu, Jong-Hyoup Lee
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Publication number: 20090209048Abstract: Disclosed are a luminescence biotin-transition metal complex conjugate and a method of amplifying signals using the same. More particularly, disclosed herein are a luminescence biotin-transition metal complex conjugate comprising an energy acceptor and biotin, and optionally an energy donor and a method of amplifying signals using the biotin-transition metal complex conjugate using intramolecular energy transfer. The luminescence biotin-transition metal complex conjugate using a transition metal probe provides a phosphorescence detection system capable of improved sensitivity.Type: ApplicationFiled: February 12, 2009Publication date: August 20, 2009Applicants: SAMSUNG ELECTRONICS CO., LTD., SEOUL NATIONAL UNIVERSITY INDUSTRY FOUNDATIONInventors: Tae-hyuk Kwon, Jong-chul Kwon, Jong-in Hong
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Patent number: 7575817Abstract: A cyclometalated transition metal complex emitting phosphorescence of high efficiency and an organic electroluminescent display device employing the same are provided. The cyclometalated transition metal complex has a transition metal atom and a phosphorus ligand having at least one alkylene oxide and a phosphorus atom. The phosphorus atom is bound to the transition metal atom. The cyclometalated transition metal complex can be employed when forming an organic film of an organic electroluminescent display device, can emit light at a wavelength range of 400 nm to 650 nm, and can emit white light as well when used with a green light emitting material and a red light emitting material.Type: GrantFiled: June 21, 2005Date of Patent: August 18, 2009Assignee: Samsung Mobile Display Co., Ltd.Inventors: Yi-Yeol Lyu, Young-Hun Byun, Das Rupasree Ragini, Eun-Sil Han, Seok Chang, Lyong-Sun Pu, Jong-Hyoup Lee
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Patent number: 7576198Abstract: A compound of the formula (I): wherein X is hydroxy or the like; Y is —C(?R2)—R3—R4 wherein R2 and R3 is oxygen atom or the like, R4 is hydrogen, optionally substituted alkyl, optionally substituted heteroaryl or the like; Z is hydrogen or the like; Z1 and Z3 each is independently a bond, alkylene or the like; Z2 is a bond, alkylene, —O— or the like; R1 is optionally substituted aryl, optionally substituted heteroaryl or the like; p is 0 to 2 and ring (A) is optionally substituted aromatic heterocycle, a tautomer of itself, a prodrug thereof, a pharmaceutically acceptable salt thereof or a solvate thereof has an integrase-inhibiting activity.Type: GrantFiled: August 25, 2000Date of Patent: August 18, 2009Assignee: Shionogi & Co., Ltd.Inventors: Takashi Kawasuji, Tomokazu Yoshinaga
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Patent number: 7575818Abstract: Provided are organic metal compounds in which compounds for host and compounds for dopant are connected, organic electroluminescence display devices using the compounds and a method for preparation of the devices. Also provided are organic metal compounds in which compounds for host and compounds for dopant where connected to make energy transmission between host and dopant possible at a molecular level, an organic electroluminescence display device using the same and a preparation method thereof.Type: GrantFiled: February 27, 2006Date of Patent: August 18, 2009Assignee: Samsung Mobile Display Co., Ltd.Inventors: Soo Jin Park, Dong Hyun Jung, Dae Yup Shin, Byung Doo Chin, Tae Hyuk Kwon, Myoung Ki Kim, Jong In Hong
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Publication number: 20090195153Abstract: An organic electroluminescent display device improves driving characteristics at a high temperature and storage characteristics of the organic electroluminescent display device, and prevents pixel contraction phenomena of the device by providing an organic electroluminescent display device comprising a substrate, a first electrode and a second electrode formed on the substrate, and an organic film layer comprising at least one emitting layer between the first electrode and the second electrode. The emitting layer includes at least one phosphorescent dopant, and the dopant is represented by L3M or L2ML?, wherein the M is a transition metal selected from the group consisting of Ir, Pt, Zn and Os, the L and L? are bidendate ligands coordinated with carbon and nitrogen, and at least one of the L and L? has 15 or more carbon atoms in the ligand.Type: ApplicationFiled: March 17, 2009Publication date: August 6, 2009Applicant: Samsung Mobile DisplayInventors: Jun-Yeob Lee, Yong-Joong Choi, Jang-Hyuk Kwon, Ho-Kyoon Chung
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Patent number: 7569692Abstract: An organic electroluminescent device, which has a pair of electrodes and at least one organic layer including a luminescent layer between the pair of electrodes, wherein at least one layer between the pair of electrodes comprises at least one metal complex having a tridentate- or higher polydentate-chain structure ligand.Type: GrantFiled: June 1, 2004Date of Patent: August 4, 2009Assignee: Fujifilm CorporationInventors: Kazumi Nii, Kousuke Watanabe, Tatsuya Igarashi, Seiji Ichijima, Toshihiro Ise
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Patent number: 7566505Abstract: The present invention provides an organic electroluminescent element having at least one organic layer including a luminescent layer between a pair of electrodes wherein at least one organic layer contains a metal complex of cyclic tetradentate ligand having a specific structure.Type: GrantFiled: March 31, 2005Date of Patent: July 28, 2009Assignee: FUJIFILM CorporationInventors: Toshihiro Ise, Satoshi Sano, Tatsuya Igarashi
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Publication number: 20090186864Abstract: A ruthenium (II) compound of formula (I): or a solvate form thereof for use in a method of therapy, wherein: R1, R2, R3, R4, R5 and R6 are independently selected from H, C1-7 alkyl, C5-20 aryl, C3-20 heterocyclyl, halo, ester, amido, acyl, sulfo, sulfonamido, ether, thioether, azo and amino, or R1 and R2 together with the ring to which they are attached form a saturated or unsaturated carbocyclic or heterocyclic group containing up to three 3- to 8-membered carbocyclic or heterocyclic rings, wherein each carbocyclic or heterocyclic ring may be fused to one or more other carbocyclic or heterocyclic rings; X is halo or a neutral or negatively charged O, N— or S— donor ligand; Y is a counterion; m is ?1, 0, 1 or 2; q is 1, 2 or 3; RC1 and RC2 independently represent one or more optional substituents selected from hydroxy, C1-7 alkoxy, C5-20 aryloxy, C1-7 alkyl, carboxy, C1-7 alkyl ester and C5-20 aryl ester; RN1 and RN2 are independently selected from hydroxy, C1-7 alkoxy, C5-20 aryloxy, C1-7 alkyl, carboType: ApplicationFiled: May 21, 2007Publication date: July 23, 2009Inventors: Abraha Habtemariam, Tijana Bugarcic, Peter John Sadler
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Publication number: 20090184631Abstract: The present invention relates to novel organic electroluminescent compounds exhibiting high luminous efficiency, and organic electroluminescent devices comprising the same.Type: ApplicationFiled: November 25, 2008Publication date: July 23, 2009Applicant: Gracel Display Inc.Inventors: Jin Ho Kim, Sung Jin Eum, Young Jun Cho, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon
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Publication number: 20090184629Abstract: The present invention relates to novel red phosphorescent compounds exhibiting high luminous efficiency, and organic electroluminescent devices comprising the same.Type: ApplicationFiled: October 24, 2008Publication date: July 23, 2009Applicant: Gracel Display Inc.Inventors: Jin Ho Kim, Sung Jin Eum, Young Jun Cho, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon
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Patent number: 7563898Abstract: Disclosed are iridium-based luminescent compounds having phenylpyridine moieties with an organosilicon group, and organic electroluminescence devices using the compounds as color-producing materials.Type: GrantFiled: October 3, 2005Date of Patent: July 21, 2009Assignee: LG Display Co., Ltd.Inventors: Jeong Dae Seo, Chun Gun Park, Soon Ki Kwon, Yun Hi Kim, Sung Ouk Jung, Jun Hwan Ahn, Hyung Sun Kim
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Publication number: 20090179555Abstract: The present invention relates to novel organic electroluminescent compounds exhibiting high luminous efficiency, and organic electroluminescent devices comprising the same.Type: ApplicationFiled: November 19, 2008Publication date: July 16, 2009Applicant: Gracel Display Inc.Inventors: Jin Ho Kim, Sung Jin Eum, Young Jun Cho, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon
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Patent number: 7560554Abstract: The present invention describes novel organometallic compounds that are phosphorescence emitters. Such compounds can be used as active components (=functional materials) in a range of different applications that can be assigned in the broadest sense to the electronics industry. The compounds according to the invention are described by the formulae (I), (Ia), (II) and (IIa).Type: GrantFiled: November 7, 2002Date of Patent: July 14, 2009Assignee: Merck Patent GmbHInventors: Philipp Stössel, Hubert Spreitzer, Heinrich Becker
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Publication number: 20090175775Abstract: The present invention relates to a metal complex of the general formula M(L)n, wherein each L is independently selected and represents a ligand and at least one L is vitamin B12 (cyanocobalamin) or a derivative thereof bound through the nitrogen atom of its cyanide group to M, which is an element selected from the transition metals, thus, forming a M-NC—[Co] moiety with [Co] representing vitamin B12 without cyanide and wherein n is 1, 2, 3, 4, 5 or 6. The complex can be prepared by mixing a precursor molecule with vitamin B12. The metal complexes can be used for radiodiagnostics, chemotherapy and radionuclide therapy.Type: ApplicationFiled: January 10, 2005Publication date: July 9, 2009Inventors: Roger Alberto, Susanne Barbara Kunze, Hector Knight Castro, Stefan Mundwiler
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Publication number: 20090174316Abstract: The present invention relates to novel red phosphorescent compounds exhibiting high luminous efficiency, and organic electroluminescent devices comprising the same.Type: ApplicationFiled: November 3, 2008Publication date: July 9, 2009Applicant: Gracel Display Inc.Inventors: Jin Ho Kim, Sung Jin Eum, Young Jun Cho, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon
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Patent number: 7556867Abstract: A high-efficient phosphorescent iridium (III) complex with a heteroatom linking group and an organic electroluminescent (EL) device using the same. The iridium complex is represented by Formula 1 or Formula 2: The iridium complex of the present invention complex can efficiently emit light ranging from a blue region to a red region in a triplet MLCT state. The iridium (III) complex can be used in formation of an organic layer of an organic EL device. Since the iridium complex of the present invention can be used as a high-efficiency phosphorescent material, the iridium complex of the present invention can produce white light emission when used together with a green-emitting material or a red-emitting material as well as emission at the wavelength range of 400-650 nm.Type: GrantFiled: March 24, 2005Date of Patent: July 7, 2009Assignee: Samsung Mobile Display Co., Ltd.Inventors: Seok Chang, Hyun-Nam Cho, Jong-Hyoup Lee, Lyong-Sun Pu, Yi-Yeol Lyu, Young-Hun Byun, Sung-Joon Kim, Hoon-Sik Kim
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Publication number: 20090167157Abstract: An organic electroluminescent device is provided and has an organic layer between a pair of electrodes, the organic layer containing a compound represented by formula (I). Z1 and Z2 each represent an atom group coordinating with palladium; Q represents a nitrogen-containing heterocycle; L1 and L2 each represent a single bond or a divalent linking group; and n is 0 or 1.Type: ApplicationFiled: September 21, 2006Publication date: July 2, 2009Inventors: Takeshi Murakami, Toshihiro Ise, Tatsuya Igarashi
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Publication number: 20090165846Abstract: The present invention relates to light emitting compounds, especially to triplett emitters suitable for electrooptical applications. Compounds according to the invention are organometallic complexes of a metal, preferably Ir, having a backbone of one five-membered ring that is linked to a five- or six-membered ring, by an intermediate six-membered ring. These compounds are suitable for adaptation to the emission of light in the UV to NIR range by adaptation of atoms or groups within at least one of the five-membered or six-membered ring structures.Type: ApplicationFiled: September 7, 2006Publication date: July 2, 2009Applicants: UNIVERSITAET BRAUNSCHWEIG, BASF SEInventors: Hans-Hermann Johannes, Wolfgang Kowalsky, Sven Ammermann, Michael Kroener, Ute Jana Weinaug
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Publication number: 20090159130Abstract: The present invention relates to novel organic electroluminescent compounds exhibiting high luminous efficiency, and organic electroluminescent devices comprising the same.Type: ApplicationFiled: November 19, 2008Publication date: June 25, 2009Applicant: Gracel Display Inc.Inventors: Sung Jin Eum, Jin Ho Kim, Young Jun Cho, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon
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Publication number: 20090163461Abstract: The present invention provides a novel compound represented by the formula (I): wherein R1 and R2 are as defined in the specification, or a salt thereof, which is useful as a reagent (radiotracer) for VAChT mapping and the like, and can be used for positron emission tomography (PET), and a production method of the compound. Moreover, the present invention provides a diagnostic reagent for diagnosing cholinergic neurodegenerative disorders (e.g., Alzheimer's disease, memory disorder, learning disorder, schizophrenia, cognitive dysfunction, hyperactivity disorder, anxiety neurosis, depression, analgia, Parkinson's disease and the like) and the like, which contains the aforementioned compound.Type: ApplicationFiled: March 31, 2006Publication date: June 25, 2009Inventors: Kazuhiro Shiba, Kiichi Ishiwata, Hideo Tsukada, Shingo Nishiyama
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Publication number: 20090153037Abstract: The present invention relates to novel organic electroluminescent compounds exhibiting high luminous efficiency, and organic electroluminescent devices comprising the same.Type: ApplicationFiled: November 3, 2008Publication date: June 18, 2009Applicant: Gracel Display Inc.Inventors: Jin Ho Kim, Sung Jin Eum, Young Jun Cho, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon
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Publication number: 20090153045Abstract: A compound is represented by the following formula (I): wherein each of Ar1 and Ar2 independently represents an aromatic ring or an aromatic heterocyclic ring; each of R1, R2, R3 and R4 independently represents a hydrogen atom or a substituent; each of Z1 and Z2 independently represents a carbon atom or a nitrogen atom; each of ring Q1 containing a carbon atom and Z1, and ring Q2 containing a carbon atom and Z2 independently represents an aromatic ring or an aromatic heterocyclic ring; and A1 represents a single bond or a divalent linking group.Type: ApplicationFiled: December 12, 2008Publication date: June 18, 2009Applicant: FUJIFILM CORPORATIONInventors: Ikuo Kinoshita, Takeshi Murakami, Tatsuya Igarashi
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Publication number: 20090153040Abstract: The present invention relates to organic electroluminescent compounds represented by Chemical Formula (1), and electroluminescent devices comprising the same as host material. L1L1M??Chemical Formula 1 The electroluminescent compounds according to the invention, when used as electroluminescent host material in an OLED, provide lowered operation voltage and significantly improved power efficiency as compared to conventional host material.Type: ApplicationFiled: November 24, 2008Publication date: June 18, 2009Applicant: Gracel Display Inc.Inventors: Hyun Kim, Sung Jin Eum, Young Jun Cho, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon