Polycyclo Ring System Patents (Class 564/426)
  • Publication number: 20110260604
    Abstract: There is provided a material for an organic electroluminescence device, which is a chrysene skeletal structure-containing diarylamine-based organic material as defined in the specification used for deposition of any layer of at least one organic layer contained in an organic electroluminescence device, wherein the water content ratio before deposition as measured by the Karl Fischer's method is from 100 to 1,000 ppm.
    Type: Application
    Filed: April 22, 2011
    Publication date: October 27, 2011
    Applicant: FUJIFILM CORPORATION
    Inventor: Toshihiro ISE
  • Patent number: 8039126
    Abstract: The present invention relates to triarylamines which are substituted by defined groups. These compounds can be used for producing organic electroluminescent devices.
    Type: Grant
    Filed: March 3, 2007
    Date of Patent: October 18, 2011
    Assignee: Merck Patent GmbH
    Inventors: Philipp Stössel, Holger Heil, Arne Buesing
  • Publication number: 20110240125
    Abstract: A specified indenopyrene compound containing a disubstituted amino group substituted with a group having a carbon number of from 1 to 40, which is a useful indenopyrene compound as an organic electronics material, and in particular, an indenopyrene compound which when used for organic thin film solar cells, displays a photoelectric conversion characteristic with high efficiency, is provided.
    Type: Application
    Filed: October 4, 2009
    Publication date: October 6, 2011
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Hidetsugu Ikeda, Ryoji Maeda, Masahide Matsuura
  • Publication number: 20110227053
    Abstract: The present invention relates to a novel chrysene derivative and an organic electronic device using the same. A chrysene according to the present invention may act as a hole injection, hole transport, electron injection and transport, or light emitting material in an organic light emitting device and an organic electronic device, and in particular, may be used alone as a light emitting host or a dopant.
    Type: Application
    Filed: November 18, 2009
    Publication date: September 22, 2011
    Inventors: Jae-Soon Bae, Jeung-Gon Kim, Ji-Eun Kim, Hye-Young Jang, Jun-Gi Jang, Sang-Young Jeon
  • Publication number: 20110220885
    Abstract: This disclosure relates to chrysene compounds with deep blue emission that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a chrysene compound.
    Type: Application
    Filed: May 26, 2011
    Publication date: September 15, 2011
    Inventors: VSEVOLOD ROSTOVTSEV, Reid John Chesterfield, Norman Herron, Kerwin D. Dobbs, Jeffrey A. Merlo
  • Publication number: 20110220883
    Abstract: A compound for an organic thin film transistor having a structure of the following formula (1): wherein R1 to R6 are independently a hydrogen atom, a halogen atom, an alkyl group having 1 to 30 carbon atoms, a haloalkyl group having 1 to 30 carbon atoms, an alkoxy group having 1 to 30 carbon atoms, a haloalkoxy group having 1 to 30 carbon atoms, an alkylthio group having 1 to 30 carbon atoms, a haloalkylthio group having 1 to 30 carbon atoms, an alkylamino group having 1 to 30 carbon atoms, a dialkylamino group having 2 to 60 carbon atoms (the alkyl groups may be combined with each other to form a ring structure containing the nitrogen atom), an alkylsulfonyl group having 1 to 30 carbon atoms, a haloalkylsulfonyl group having 1 to 30 carbon atoms, an aromatic hydrocarbon group having 6 to 60 carbon atoms, an aromatic heterocyclic group having 3 to 60 carbon atoms, an alkylsilyl group having 3 to 20 carbon atoms, an alkylsilylacetylene group having 5 to 60 carbon atoms or a cyano group, which each may have
    Type: Application
    Filed: August 5, 2009
    Publication date: September 15, 2011
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yuki Nakano, Masatoshi Saito, Hiroaki Nakamura
  • Publication number: 20110220884
    Abstract: A compound for an organic thin film transistor having a structure represented by the following formula (1): wherein R1 and R2, and R3 and R4 are respectively combined with each other to form an aromatic hydrocarbon ring having 6 to 60 carbon atoms or an aromatic heterocyclic ring having 3 to 60 carbon atoms; the ring being fused to the ring to which the groups are bonded, whereby the structure of the formula (1) has 5 or more aromatic rings that are fused; and the fused rings formed by R1 and R2, and R3 and R4 each may have a substituent.
    Type: Application
    Filed: August 20, 2009
    Publication date: September 15, 2011
    Inventors: Masatoshi Saito, Yuki Nakano, Hiroaki Nakamura, Hirofumi Kondo
  • Publication number: 20110215715
    Abstract: This invention relates to chrysene compounds that are useful in electroluminescent applications and are capable of blue or green emission. It also relates to electronic devices in which the active layer includes such a chrysene compound.
    Type: Application
    Filed: November 19, 2009
    Publication date: September 8, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Weishi Wu, Norman Herron, Vsevolod Rostovtsev, Jeffrey A. Merlo, Weiying Gao
  • Patent number: 8012607
    Abstract: Provided are a cyclopentaphenanthrene-based compound represented by Formula 1 below and an organic light emitting device employing the same. Here, Y and Ar are described in the detailed description.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: September 6, 2011
    Assignees: Samsung Electronics Co., Ltd., Samsung Mobile Display Co., Ltd.
    Inventors: Sang-hoon Park, O-hyun Kwon
  • Publication number: 20110204354
    Abstract: Provided is an organic light-emitting device having an optical output with high luminance and high color purity with extremely high efficiency. The organic light-emitting device includes an organic layer between the anode and the cathode, in which one of the anode and the cathode is a transparent electrode or a semi-transparent electrode and at least one layer of the organic layer contains at least one kind of indenopyrene compound having a specific structure.
    Type: Application
    Filed: November 6, 2009
    Publication date: August 25, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Takeshi Sekiguchi, Hiroshi Tanabe, Hiroki Ohrui, Masanori Seki
  • Patent number: 7990053
    Abstract: Provided are a cyclopentaphenanthrene-based compound and an organic EL device using the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, and color stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, a light-emitting layer in an organic EL device, and as an organic dye or an electronic material such as a nonlinear optical material.
    Type: Grant
    Filed: July 16, 2010
    Date of Patent: August 2, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Sang-Hoon Park, Che-Un Yang, Jong-Jin Park, Jhun-Mo Son, O-Hyun Kwon, Yu-Jin Kim
  • Publication number: 20110180786
    Abstract: Novel materials are provided, having a single phenyl or 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 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: Application
    Filed: June 30, 2009
    Publication date: July 28, 2011
    Inventors: Chuanjun Xia, Raymond Kwong
  • Patent number: 7981525
    Abstract: There is provided an organic light-emitting device having an optical output with a high efficiency and a high luminance, and having good durability. The organic light-emitting device includes an anode, a cathode, and a layer including an organic compound interposed between the anode and the cathode, in which the layer contains a naphthalene compound represented by the general formula (1): wherein Ar1's each represent a substituted or unsubstituted fused ring aromatic hydrocarbon group having four or more rings.
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: July 19, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masashi Hashimoto, Hironobu Iwawaki, Satoshi Igawa, Takao Takiguchi, Shinjiro Okada
  • Publication number: 20110163302
    Abstract: 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: Application
    Filed: June 30, 2009
    Publication date: July 7, 2011
    Applicant: Universal Display Corporation
    Inventors: Chun Lin, Bin Ma, Chuanjun Xia, Yonggang Wu, Raymond Kwong
  • Publication number: 20110156011
    Abstract: The present invention relates to a blue fluorescence compound which enables to achieve high brightness, a long lifetime and high efficiency; and an organic electroluminescence device thereof.
    Type: Application
    Filed: August 17, 2010
    Publication date: June 30, 2011
    Inventors: Jong-Kwan BIN, Soon-Wook Cha, Seung-Jae Lee, Jung-Keun Kim, Chun-Gun Park
  • Publication number: 20110147717
    Abstract: This invention relates to deuterated compounds that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a deuterated compound.
    Type: Application
    Filed: December 21, 2009
    Publication date: June 23, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Daniel David LeCloux, Hong Meng
  • Publication number: 20110121269
    Abstract: This invention relates to deuterated aryl-anthracene compounds that are useful in electronic applications. It also relates to electronic devices in which the active layer includes such a deuterated compound.
    Type: Application
    Filed: May 19, 2010
    Publication date: May 26, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: DANIEL DAVID LECLOUX, ADAM FENNIMORE, WEIYING GAO, NORA SABINA RADU, WEISHI WU, VSEVOLOD ROSTOVTSEV, MICHAEL HENRY HOWARD, JR., HONG MENG, YULONG SHEN
  • Publication number: 20110112275
    Abstract: The present invention relates to condensed aromatic compounds with multiple ring bridging of the general formulae (1), (2), (3), (4) and (5). The invention furthermore relates to the use of the compounds according to the invention in an organic electronic device and to a process for the preparation of the compounds according to the invention. The invention furthermore relates to an electronic device which comprises the compounds according to the invention.
    Type: Application
    Filed: October 1, 2009
    Publication date: May 12, 2011
    Applicant: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Christof Pflumm, Holger Heil, Arne Buesing
  • Publication number: 20110095284
    Abstract: Provided are a novel fused polycyclic aromatic compound having a fluoranthene skeleton and an organic light emitting device having high efficiency and high durability. The organic light emitting device includes a fused polycyclic aromatic compound represented by the following general formula [1] or [2], and the organic light emitting device includes an anode, a cathode, an organic compound layer interposed between the anode and the cathode, in which at least one layer of the organic compound layers includes at least one kind of the fused polycyclic aromatic compound represented by the following general formula [1] or [2].
    Type: Application
    Filed: July 9, 2009
    Publication date: April 28, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Taiki Watanabe, Koichi Suzuki, Kazunori Ueno, Koichi Nakata, Takayuki Ito, Hiroki Ohrui, Akihiro Senoo, Naoki Yamada
  • Publication number: 20110092701
    Abstract: The invention relates to the improvement of organic electroluminescent devices, in which compounds that are represented by formula (1) are used, in particular as hole injection materials or hole transport materials in a hole injection layer or hole transport layer.
    Type: Application
    Filed: March 5, 2009
    Publication date: April 21, 2011
    Applicant: Merck Patent GmbH
    Inventors: Christof Pflumm, Arne Buesing, Amir Hossain, Rocco Fortte, Holger Heil, Philipp Stoessel
  • Publication number: 20110084256
    Abstract: A condensed-cyclic compound represented by Formula 1 below and an organic light emitting diode including the condensed-cyclic compound:
    Type: Application
    Filed: September 30, 2010
    Publication date: April 14, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Hee-Yeon Kim, Seung-Gak Yang, Kwan-Hee Lee
  • Patent number: 7919197
    Abstract: There are provided a condensed ring aromatic compound and an organic light-emitting device having an optical output with high efficiency and high luminance, and durability. An organic light-emitting device including: a pair of electrodes comprising an anode and a cathode of which at least one is transparent or translucent; and an organic compound layer disposed between the pair of electrodes, wherein the organic compound layer contains the condensed ring aromatic compound represented by the following formula [1].
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: April 5, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Chika Negishi, Akihito Saitoh, Hiroki Ohrui, Hironobu Iwawaki, Masanori Muratsubaki
  • Patent number: 7919654
    Abstract: Provided are a cyclopentaphenanthrene-based compound and an organic EL device using the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, and color stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, a light-emitting layer in an organic EL device, and as an organic dye or an electronic material such as a nonlinear optical material.
    Type: Grant
    Filed: August 4, 2010
    Date of Patent: April 5, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Sang-Hoon Park, Che-Un Yang, Jong-Jin Park, Jhun-Mo Son, O-Hyun Kwon, Yu-Jin Kim
  • Patent number: 7919198
    Abstract: Provided are a condensed ring aromatic compound for an organic light-emitting device, and an organic light-emitting device having optical output with high efficiency and high luminescence and having durability. An organic light-emitting device including an anode and a cathode, and a layer made of an organic compound interposed between the anode and the cathode, wherein at least one layer of the layers made of the organic compound contains a condensed ring aromatic compound shown in the following general formula [1]: wherein R1 to R16 each independently represent a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, and may be the same or different.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: April 5, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Chika Negishi, Akihito Saitoh, Hiroki Ohrui, Hironobu Iwawaki, Masanori Muratsubaki
  • Patent number: 7901594
    Abstract: The present invention relates to polyacene derivatives represented by general formula (I) below: (wherein R1 to R10, etc. each represents hydrogen atom, hydrocarbon group, or an alkoxy group; A1 and A2 are hydrogen atom, a halogen atom, a hydrocarbon group, an alkoxy group, cyano group, etc.; n is an integer of not less than 1; R6 and R7 may be linked to each other to form a ring); and a process for preparing the polyacene derivatives from polyhydro compounds as well as electrically conductive materials comprising the polyacene derivatives. According to the process for preparing the polyacene derivatives of the present invention, optional substituents can be introduced into any carbon atoms of the polyacene, and the number of aromatic rings can be increased.
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: March 8, 2011
    Assignee: Japan Science and Technology Corporation
    Inventor: Tamotsu Takahasi
  • Publication number: 20110042660
    Abstract: Provided is an organic luminescent medium containing a specific diaminopyrene derivative and a specific anthracene derivative. Also provided are an organic electroluminescence device capable of emitting light having a short wavelength (such as blue light) with high luminous efficiency and having a long lifetime by having such constitution that the organic EL device contains 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 organic luminescent medium, and an organic luminescent medium that can be used in an organic thin film layer of the organic EL device.
    Type: Application
    Filed: February 16, 2009
    Publication date: February 24, 2011
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Masahiro Kawamura, Masakazu Funahashi, Mitsunori Ito
  • Publication number: 20110037381
    Abstract: There is provided an electroluminescent composition. The composition includes a material having Formula I In Formula I: R1 is the same or different at each occurrence and is selected from D, alkyl, alkoxy, silyl, and siloxane, or adjacent R1 groups may be joined together to form a 5- or 6-membered aliphatic ring; Ar1 and Ar2 are the same or different and are aryl groups; a is an integer from 0 to 6; b is an integer from 0 to 2; and c is an integer from 0 to 3.
    Type: Application
    Filed: December 21, 2009
    Publication date: February 17, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Vsevolod Rostovtsev, Weiying Gao, Jeffrey A. Merlo
  • Publication number: 20110034733
    Abstract: A aromatic amine derivative having an specific structure having a diphenyl amino group, and two or more of substituent bonding to benzene ring thereof, and in an organic electroluminescence device which comprises at least one organic thin film layer comprising a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, at least one of the organic thin film layer comprises the aromatic amine derivative singly or a component for a mixture thereof. The organic electroluminescence device exhibiting a long lifetime and high current efficiency as well as emitting blue light with high color purity, and also the aromatic amine derivative for realizing the organic EL device are provided.
    Type: Application
    Filed: August 11, 2010
    Publication date: February 10, 2011
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Masakazu FUNAHASHI, Mineyuki Kubota
  • Publication number: 20110003985
    Abstract: Provided are a cyclopentaphenanthrene-based compound and an organic EL device using the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, and color stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, a light-emitting layer in an organic EL device, and as an organic dye or an electronic material such as a nonlinear optical material.
    Type: Application
    Filed: August 4, 2010
    Publication date: January 6, 2011
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: SANG-HOON PARK, CHE-UN YANG, JONG-JIN PARK, JHUN-MO SON, O-HYUN KWON, YU-JIN KIM
  • Publication number: 20100320452
    Abstract: A fused aromatic ring derivative shown by the following formula (1): wherein Ra and Rb are independently a hydrogen atom or a substituent, p is an integer of 1 to 8 and q is an integer of 1 to 11, when p is 2 or more, plural Ras may be independently the same or different and adjacent Ras may form a ring, when q is 2 or more, plural Rbs may be independently the same or different, L1 is a single bond, or a substituted or unsubstituted divalent linking group, and Ar1 is a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms or a substituted or unsubstituted heteroaryl group having 5 to 50 ring atoms, provided that the substituent of L1, the substituent of Ar1, Ra and Rb contain no substituted or unsubstituted amino group.
    Type: Application
    Filed: November 25, 2008
    Publication date: December 23, 2010
    Inventor: Masahiro Kawamura
  • Publication number: 20100311734
    Abstract: The invention provides a compound of formula (I) or a pharmaceutically acceptable salt thereof, for treating diseases and conditions of the central nervous system (CNS), in particular sleep disorders.
    Type: Application
    Filed: July 24, 2008
    Publication date: December 9, 2010
    Inventors: Maurizio Botta, Emiliano Castiglioni, Romano Di Fabio, Raffaella Spinosa, Andrea Togninelli
  • Publication number: 20100311728
    Abstract: Provided herein methods of screening for potential antidepressant compounds effective to increase production of cellular CDP-diacylglycerol and synthesis of inositol phospholipid in depression-related areas of the brain. Also, provided are methods of diagnosing and treating depressive or mood disorders in a subject by administering these screened antidepressant compounds. Further provided is a method of determining the therapeutic efficacy of an antidepressant drug regimen by comparing the ratio of CDP-diacylglycerol/inositol phosphate after treatment to a basal ratio in a subject.
    Type: Application
    Filed: July 23, 2010
    Publication date: December 9, 2010
    Inventor: Ashiwel S. Undieh
  • Patent number: 7847125
    Abstract: A compound having the formula: R1 and R2 together with the carbon atoms to which they are bonded are joined together to form a C3-C30 ring. The C3-C30 ring may be substituted with one or more substituents or unsubstituted. The C3-C30 ring may contain one or more heteroatoms. The C3-C30 ring may be saturated, partially unsaturated, or fully unsaturated.
    Type: Grant
    Filed: November 16, 2007
    Date of Patent: December 7, 2010
    Assignee: Chemtura Corporation
    Inventors: Qinggao Ma, Cyril Migdal
  • Patent number: 7846558
    Abstract: A blue light emitting compound and an organic electroluminescent device using the compound are provided. The device exhibits improved color purity of blue emission and excellent life characteristics so as to be used to manufacture a full-color display.
    Type: Grant
    Filed: June 21, 2007
    Date of Patent: December 7, 2010
    Assignee: SFC Co., Ltd.
    Inventors: Jong-Tae Je, Sang-Hae Lee, Sug-Kwang Hwang, Seon-Keun Yoo
  • Publication number: 20100298607
    Abstract: Provided are a cyclopentaphenanthrene-based compound and an organic EL device using the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, and color stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, a light-emitting layer in an organic EL device, and as an organic dye or an electronic material such as a nonlinear optical material.
    Type: Application
    Filed: August 4, 2010
    Publication date: November 25, 2010
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: SANG-HOON PARK, CHE-UN YANG, JONG-JIN PARK, JHUN-MO SON, O-HYUN KWON, YU-JIN KIM
  • Patent number: 7838130
    Abstract: A novel compound which is useful as a constitutional component for an organic EL device is provided by an aminodibenzofluorene derivative comprising (A) at least one dibenzofluorene structure and (B) at least one amino group in a molecule, a material for an organic electroluminescence (EL) device comprising the same, a light emitting material for an organic EL device, a light emitting organic solution, an organic EL device in which an organic compound layer comprising a single layer or plural layers including at least a light emitting layer is interposed between a pair of electrodes, wherein at leas one layer in the organic compound layer described above contains at least one kind of the aminodibenzofluorene derivative described above and an equipment comprising the same. A practical organic EL device which has a low operating voltage, a long lifetime and a high current efficiency and which provides blue light emission having an excellent color purity is materialized by using the above compound.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: November 23, 2010
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Yoriyuki Takashima, Masakazu Funahashi
  • Publication number: 20100279001
    Abstract: Disclosed are a carbon nano-tube (CNT) thin film treated with chemical having an electron withdrawing functional group and a manufacturing method thereof. Specifically, the CNT thin film comprises a CNT composition to be applied on a plastic substrate. The CNT composition comprises a CNT; and chemical connected to the CNT and having an electron withdrawing functional group. In addition, the method for manufacturing a CNT thin film comprises steps of preparing a CNT; treating the CNT with chemical having an electron withdrawing functional group; mixing the CNT treated with the chemical with a dispersing agent or dispersing solvent to prepare a CNT dispersed solution; and forming a CNT thin film with the CNT dispersed solution. According to the CNT thin film and the manufacturing method thereof, a resistance of an electrode is decreased to improve the electric conductivity of the electrode.
    Type: Application
    Filed: February 14, 2008
    Publication date: November 4, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyeon Jin Shin, Seonmi Yoon, Jaeyoung Choi, Young Hee Lee, Seong Jae Choi, Soo Min Kim
  • Patent number: 7799950
    Abstract: A diamine includes a structure of formula (I), wherein X and Y are independently a divalence group selected from the group consisting of: —O—, —(C?O)—O—, —O—(C?O)—, —(C?O)—NH—, and —NH—(C?O)—; and R has a structure of formula (II): wherein R1, R2, R3, R4, R5, m, and n are as defined in Claim 1. A polyamic acid is prepared by reacting a diamine reactant including the aforesaid diamine of formula (I) with a tetracarboxylic dianhydride reactant. A liquid crystal orienting film contains a polyimide converted from the aforesaid polyamic acid.
    Type: Grant
    Filed: May 9, 2007
    Date of Patent: September 21, 2010
    Assignee: Daily Polymer Co., Ltd.
    Inventors: Chuan-Ter Yan, Chih-Hsiung Huang, Chao-Ching Huang, Chin-Wang Kao, Tin-Hun Hung
  • Patent number: 7794854
    Abstract: Provided is a novel corannulene compound. The corannulene compound is represented by the following general formula (1): where X represents a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted amino group, or a substituted or unsubstituted cyano group, n represents an integer of 1 to 10, and when a number of X is two or more, X may be identical to or different from each other, or may bind to each other to form a ring.
    Type: Grant
    Filed: August 22, 2006
    Date of Patent: September 14, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naoki Yamada, Kazunori Ueno, Jun Nishimura, Yukihiro Okada
  • Patent number: 7781579
    Abstract: Provided are a cyclopentaphenanthrene-based compound and an organic EL device using the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, and color stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, a light-emitting layer in an organic EL device, and as an organic dye or an electronic material such as a nonlinear optical material.
    Type: Grant
    Filed: June 15, 2007
    Date of Patent: August 24, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Sang-Hoon Park, Che-Un Yang, Jong-Jin Park, Jhun-Mo Son, O-Hyun Kwon, Yu-Jin Kim
  • Publication number: 20100187983
    Abstract: This invention relates to deuterated compounds that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a deuterated compound.
    Type: Application
    Filed: December 21, 2009
    Publication date: July 29, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Norman Herron, Vsevolod Rostovtsev, Jeffrey A. Merlo, Michael Henry Howard, JR., Adam Fennimore, Weiying Gao, Kalindi Dogra, Nora Sabina Radu, Weishi Wu, Eric Maurice Smith, Daniel David Lecloux
  • Publication number: 20100187504
    Abstract: The present invention relates to a new diamine derivative, and an organic electronic device using the same. The diamine derivative according to the present invention can serve as a hole injecting, hole transporting, electron injecting, electron transporting, or light emitting material in an organic electronic device including an organic light emitting device. Particularly, it can serve as a light emitting dopant as used alone, in particular, a blue light emitting dopant. The organic electronic device according to the present invention exhibits excellent characteristics in terms of efficiency, drive voltage, life time, and stability.
    Type: Application
    Filed: April 25, 2008
    Publication date: July 29, 2010
    Inventors: Hye-Young Jang, Kong-Kyeom Kim, Jae-Chol Lee, Ji-Eun Kim, Seong-So Kim, Jin-Kyoon Park, Tae-Yoon Park, Eun-Ju Kim, Wook-Dong Cho, Byung-Sun Jeon, Jae-Soon Bae
  • Publication number: 20100155714
    Abstract: Disclosed is an organic electroluminescent device including a substrate, a first and a second electrode, and an emitting layer formed between the first electrode and the second electrode. The emitting layer includes a plurality of materials which is a blue emitting material using a following chemical formula as dopant. In this case, at least one of A1 and A2 is selected from a substituted or non-substituted aromatic group, a heterocyclic group, an aliphatic group, and hydrogen.
    Type: Application
    Filed: March 1, 2010
    Publication date: June 24, 2010
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Jeong Dae SEO, Kyung Hoon LEE, Hee Jung KIM, Chun Gun PARK, Hyoung Yun OH
  • Publication number: 20100108997
    Abstract: Provided are novel organic electroluminescent compounds, and organic electroluminescent devices comprising the same as electroluminescent material. Specifically, the organic electroluminescent compounds according to the present invention are represented by Chemical Formula (1): wherein, at least one substituent(s) among Ar1, Ar2, R6, R7, R8, R9, R10, R11, R12, R13, R14 and R15 represent(s) The organic electroluminescent compounds according to the present invention exhibit high luminous efficiency and excellent life property of material, so that an OLED having very good operation life can be manufactured therefrom. Further, the organic electroluminescent compound according to the present invention, when it is contained in an electroluminescent layer or a hole transport layer, lowers the operation voltage to result in noticeable decrease in power consumption, with exhibiting at least comparable luminous efficiency as compared to conventional OLED's.
    Type: Application
    Filed: October 13, 2009
    Publication date: May 6, 2010
    Applicant: Gracel Display Inc.
    Inventors: Young Gil Kim, Young Jun Cho, Chi Sik Kim, Sung Jin Eum, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon
  • Publication number: 20100109517
    Abstract: A polymer compound comprising a constitutional unit of the formula (1), and a repeating unit of any of the formulae (2) to (4): (wherein, x3, y1, y2, z1 to z3 are 0 or 1. y3 represents an integer of 0 to 2. u represents an integer of 0 to 8. Z represents a pyrene residue, Ar1 represents an arylene group or di-valent heterocyclic group, and Ar2 represents an aryl group or mono-valent heterocyclic group.
    Type: Application
    Filed: April 23, 2008
    Publication date: May 6, 2010
    Applicant: Sumitomo Chemical Company Limited
    Inventors: Daisuke Fukushima, Yoshiaki Tsubata, Chizu Sekine
  • Patent number: 7691491
    Abstract: Novel monoaminofluorene compounds are provided, and organic light-emitting devices which exhibit good luminescence hue of extremely high purity and have optical output with high luminescence efficiency, high luminance and longer operating life are provided using the compounds.
    Type: Grant
    Filed: August 12, 2003
    Date of Patent: April 6, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihito Saitoh, Mizuho Hiraoka, Koichi Suzuki, Akihiro Senoo, Hiroshi Tanabe, Naoki Yamada, Chika Negishi
  • Patent number: 7691492
    Abstract: A novel substituted fluorene compound is provided which is represented by the general formula [I]:
    Type: Grant
    Filed: April 11, 2005
    Date of Patent: April 6, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naoki Yamada, Akihito Saitoh, Keiji Okinaka, Koichi Suzuki, Akihiro Senoo
  • Patent number: 7674533
    Abstract: Dibenzoanthracene derivatives are each substituted by an amino compound group at least one of 9-position and 14-position of a dibenzo[a,c]anthracene skeleton and represented by the following formula (1) or (2): wherein X1, X2 and X each independently represents a substituted or unsubstituted arylene or divalent heterocyclic group; A, B, C and D each independently represents a substituted or unsubstituted alkyl, aryl heterocyclic group, and between the adjacent groups, may be fused together to form rings; and Y1 to Y12 and R1 each independently represents a hydrogen atom, a halogen atom, an alkoxy group, or a substituted or unsubstituted alkyl, aryl or heterocyclic group, and, when Y1 to Y12 and R1 are other than a hydrogen atom or a halogen atom, Y1 to Y12 and R1 may be fused together between the adjacent groups to form rings.
    Type: Grant
    Filed: October 17, 2006
    Date of Patent: March 9, 2010
    Assignee: Sony Corporation
    Inventors: Yukinari Sakamoto, Yoshihisa Miyabayashi, Tadahiko Yoshinaga
  • Publication number: 20100052526
    Abstract: A pyrene compound is provided. The pyrene compound is represented by Formula 1: wherein A1 and A2 are as defined in the specification. Further provided is an organic electroluminescent device using the pyrene compound. The organic electroluminescent device has high color purity of blue light and shows long life characteristics. Therefore, the organic electroluminescent device is suitable for use in displays and lighting systems.
    Type: Application
    Filed: August 21, 2009
    Publication date: March 4, 2010
    Inventors: Jong-Tae Je, Se-jin Lee, Bo-Kyoung Song, Sang-Hae Lee, Jin-Woo Park
  • Publication number: 20100047178
    Abstract: The present invention relates to compounds which are perylenequinone derivatives, their stereoisomers and atropisomers. These compounds can be particularly useful as photosensitizers or sononsensitizers in photodynamic or sonodynamic therapy. The invention also relates to various methods for using these compounds in photodynamic and/or sonodynamic therapy. The compounds also are useful as therapeutic agents for treating various hyperproliferative disorders.
    Type: Application
    Filed: July 28, 2006
    Publication date: February 25, 2010
    Applicant: QUEST PHARMATECH INC.
    Inventors: Sanjay K. Sharma, Thomas Woo, Selvaraj Naicker