Polycyclo, I.e., Fused Patents (Class 585/26)
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Publication number: 20090174312Abstract: The present invention provides a novel tetraphenylnaphthalene derivative, and an organic light emitting device using the same.Type: ApplicationFiled: March 9, 2007Publication date: July 9, 2009Inventors: Yeon-Hwan Kim, Dong-Hoon Lee, Hye-Young Jang, Sung-Kil Hong, Sung-Jin Yeo, Kong-Kyeom Kim, Dong-Seob Jeong
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Publication number: 20090169921Abstract: The present invention provides a compound of the general formula Ar1—R1—Ar2 ??(I) wherein Ar1 and Ar2 independently represent triphenylenyl or pyrenyl, and R1 represent a bond, aryl, or heteroaryl. The present invention also provides a process for the preparation of the compound formula (?), and an organic electroluminescence device utilizing luminescent material comprising the compound of formula (?) as an emitting layer.Type: ApplicationFiled: January 2, 2008Publication date: July 2, 2009Inventors: Chien-Hong Cheng, Chang-Sheng Lin
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Publication number: 20090160328Abstract: An organic EL element having one or a plurality of organic layers including a light emitting layer between a pair of electrodes is arranged such that at least one layer of the above-mentioned organic layers contains a compound as expressed by the following general formula (1) independently or as a mixture. (where R1-R4 are selected from the group consisting of hydrogen, an alkyl group, a cycloalkyl group, an alkoxy group, a cycloalkoxy group, and an aryloxy group, and they may be the same groups or the groups different from one another, and A1-A4 are selected from the group consisting of a phenyl group which is either substituted or unsubstituted and a 5 or 6 member heterocyclic ring group which is either substituted or unsubstituted, and they may be the same groups or the groups different from one another.Type: ApplicationFiled: December 22, 2008Publication date: June 25, 2009Applicant: Yamagata Promotional organization for Industrial TechnologyInventors: Atsushi ODA, Takayuki HORIUCHI, Masato KIMURA
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Publication number: 20090160315Abstract: An organic EL element having one or a plurality of organic layers including a light emitting layer between a pair of electrodes is arranged such that at least one layer of the above-mentioned organic layers contains a compound as expressed by the following general formula (1) independently or as a mixture. (where R1-R9 are selected from the group consisting of hydrogen, an alkyl group, a cycloalkyl group, an alkoxy group, a cycloalkoxy group, and an aryloxy group, and they may be the same groups or the groups different from one another, and A1-A4 are selected from the group consisting of a phenyl group which is either substituted or unsubstituted and a 5 or 6 member heterocyclic ring group which is either substituted or unsubstituted, and they may be the same groups or the groups different from one another.Type: ApplicationFiled: December 22, 2008Publication date: June 25, 2009Applicant: Yamagata Promotional Organization for Industrial TechnologyInventors: Atsushi ODA, Takayuki HORIUCHI, Masato KIMURA, Junichi TANAKA
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Publication number: 20090160326Abstract: An organic EL element having one or a plurality of organic layers including a light emitting layer between a pair of electrodes is arranged such that at least one layer of the above-mentioned organic layers contains a compound as expressed by the following general formula (1) independently or as a mixture. (where, R1-R7 are selected from the group consisting of hydrogen, an alkyl group, a cycloalkyl group, an alkoxy group, a cycloalkoxy group, and an aryloxy group, and they may be the same groups or the groups different from one another, and A1-A3 are selected from the group consisting of a phenyl group which is either substituted or unsubstituted and a 5 or 6 member heterocyclic ring group which is either substituted or unsubstituted, and they may be the same groups or the groups different from one another.Type: ApplicationFiled: December 22, 2008Publication date: June 25, 2009Applicant: Yamagata Promotional Organization for Industrial TechnologyInventors: Atsushi ODA, Masato KIMURA
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Publication number: 20090162693Abstract: This invention relates to electroluminescent 3,6,9,12-tetrasubstituted chrysenes that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a chrysene composition.Type: ApplicationFiled: December 20, 2007Publication date: June 25, 2009Inventor: Alex Sergey Ionkin
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Patent number: 7550760Abstract: An electronic device comprises a semiconductive material containing a homopolyacene of Formula (I): wherein R is a suitable hydrocarbon, a halogen, or a heteroatom containing group; each R? and R? are independently a suitable hydrocarbon, a heteroatom containing group, or a halogen; a represents a number of benzene rings on a left side of the central benzene ring; b represents a number of benzene rings on a right side of the central benzene ring; x represents a total number of R? groups on the left side of the central benzene ring; y represents a total number of R? groups on the right side of the central benzene ring; and n represents the number of repeating units and is from 2 to about 5,000.Type: GrantFiled: April 6, 2006Date of Patent: June 23, 2009Assignee: Xerox CorporationInventors: Yuning Li, Ping Liu, Yiliang Wu, Beng S. Ong
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Patent number: 7541099Abstract: It is an object of the present invention to provide a luminescent material that has resistance to repeated oxidation reactions. Further, it is an object of the present invention to provide a light-emitting element that is high in luminous efficiency. Further, it is an object of the present invention to provide a light-emitting element that has a long life. An aspect of the present invention is an anthracene derivative represented by a general formula (1). In the general formula (1), R2 to R4 and R7 to R9 are individually any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, and a group represented by the following structure formula (2), and R1, R5, R6, and R10 are individually any one of hydrogen and an alkyl group having 1 to 4 carbon atoms.Type: GrantFiled: May 2, 2005Date of Patent: June 2, 2009Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Sachiko Yamagata, Ryoji Nomura, Kumi Kojima, Satoshi Seo
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Patent number: 7538250Abstract: An object of the present invention is to provide a novel pyrene compound. Provided is a pyrene compound represented by the following general formula (I): wherein: R1 and R2 each represent a substituted or unsubstituted alkyl group; and Ar1, Ar2, Ar3, and Ar4 each represent a substituted or unsubstituted aryl group and the like.Type: GrantFiled: November 8, 2007Date of Patent: May 26, 2009Assignee: Canon Kabushiki KaishaInventors: Koichi Suzuki, Naoki Yamada, Kazunori Ueno
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Publication number: 20090121623Abstract: A condensed polycyclic compound is represented by the following Formula [1]: wherein in Formula [1], R1 to R16 each represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 20 carbon atoms, a substituted amino group, an aryl group that may optionally have a substituent group, or a heterocyclic group that may optionally have a substituent group, provided that at least one of R1, R2, R7 and R8 is an aryl group that may optionally have a substituent group, or a heterocyclic group that may optionally have a substituent group.Type: ApplicationFiled: October 30, 2008Publication date: May 14, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Masashi Hashimoto, Satoshi Igawa, Naoki Yamada, Takayuki Horiuchi
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Publication number: 20090115323Abstract: An oligofluorene compound is represented by the General Formula (1) below wherein in Formula (1) P1 represents a hydrogen atom, a halogen atom, or a linear or branched alkyl group having 1 to 20 carbon atoms; P2 represents a hydrogen atom, a halogen atom, a substituted or unsubstituted linear or branched alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted 2-naphthyl group; R1 and R2 each represent a hydrogen atom, a halogen atom, or a linear or branched alkyl group having 1 to 20 carbon atoms; and n represents integer of 2 to 4.Type: ApplicationFiled: October 30, 2008Publication date: May 7, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Ryota Ooishi, Takao Takiguchi, Jun Kamatani, Tetsuya Kosuge, Shigemoto Abe
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Publication number: 20090091252Abstract: The present invention provides a novel binaphthyl compound and an organic light emitting element having a good light emitting efficiency and a high durability at a low driving voltage.Type: ApplicationFiled: October 2, 2008Publication date: April 9, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Tetsuya Kosuge, Jun Kamatani, Shigemoto Abe, Ryota Ooishi, Kengo Kishino
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Publication number: 20090072712Abstract: The present invention relates to the improvement of organic electronic devices, in particular electroluminescent devices, by using compounds which can have a plurality of isomers, where one of these isomers is present in excess.Type: ApplicationFiled: November 3, 2005Publication date: March 19, 2009Inventors: Philipp Stoessel, Esther Breuning, Horst Vestweber, Holger Heil
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Publication number: 20090053826Abstract: The invention relates to an electropolymerizable monomer, intended to be polymerized in aqueous solution, comprising a single electropolymerizable unit and an electron-donating group, characterized in that it also comprises at least one arm ionizable in aqueous solution. The invention also relates to the polymerization process, to the electroactive probe thus obtained and to the method for the detection of a target ligand in a biological sample.Type: ApplicationFiled: July 7, 2006Publication date: February 26, 2009Applicants: BIOMERIEUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Aurelie Bouchet, Carole Chaix, Bernard Mandrand
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Publication number: 20090042105Abstract: Photosensitizing dyes are often used in conjunction with a photoacid generator in holographic recording media. Conventional photosensitizing dyes typically are limited by having an appreciable absorption of light when used in a sufficient concentration, such that the intensity of light decreases significantly with penetration into a recording medium. The present invention discloses a number of new 5-alkynyl substituted napthacene photosensitizing dyes that have low extinction coefficients coupled with good sensitizing properties, such that the problems associated with the photosensitizing dyes absorbing light are significantly reduced.Type: ApplicationFiled: February 21, 2008Publication date: February 12, 2009Applicant: DCE Aprilis, Inc.Inventors: David A. Waldman, Eric S. Kolb, Kirk D. Hutchinson, Richard A. Minns
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Publication number: 20090033210Abstract: To provide a novel fluoranthene derivative and an organic light emitting device having the fluoranthene derivative.Type: ApplicationFiled: April 19, 2007Publication date: February 5, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Akihito Saitoh, Keiji Okinaka, Satoshi Igawa, Jun Kamatani, Naoki Yamada, Masashi Hashimoto, Masanori Muratsubaki, Takao Takiguchi, Akihiro Senoo, Shinjiro Okada, Minako Nakasu
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Publication number: 20090026919Abstract: The present invention relates to the improvement of organic electroluminescent devices, in particular blue-emitting devices, by using compounds of the formula (1) as host materials in the emitting layer.Type: ApplicationFiled: September 20, 2005Publication date: January 29, 2009Applicant: Merck Paten GmbH Patents & Scientific InformationInventors: Philipp Stossel, Arne Busing, Horst Vestweber, Holger Heil
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Publication number: 20090026930Abstract: An aromatic compound represented by Formula 1 below and an organic light-emitting diode including the same: M1-(B)n-M2 ??(1) The aromatic compound has excellent thermal stability and emission characteristics. Thus, the organic light-emitting diode employing the aromatic compound can exhibit a low driving voltage, high efficiency, and high brightness.Type: ApplicationFiled: March 28, 2008Publication date: January 29, 2009Inventors: Dong-woo Shin, Byoung-ki Choi, Tae-yong Noh, O-hyun Kwon, Myeong-suk Kim, Yu-jin Kim, Eun-sil Han, Woon-jung Paek
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Publication number: 20090015140Abstract: It is an object of the present invention to provide a novel material capable of realizing excellent color purity of blue, and a light emitting element and a light emitting device using the novel material. Further, it is an object of the present invention to provide which is highly reliable, and a light emitting element and a light emitting device using the novel material.Type: ApplicationFiled: March 28, 2005Publication date: January 15, 2009Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Sachiko Kawakami, Nobuharu Ohsawa, Harue Nakashima, Kumi Kojima, Satoshi Seo, Masakazu Egawa, Ryoji Nomura
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Publication number: 20090008607Abstract: A naphthalene derivative represented by the following formula (1) is provided. In the formula (1), Ar1 and Ar2 each represent an aromatic hydrocarbon cyclic group having 6 to 18 carbon atoms forming a ring. The aromatic hydrocarbon cyclic group has none of anthracene skeleton, pyrene skeleton, aceanthrylene skeleton and naphthacene skeleton. Ar3 represents a benzene skeleton or a naphthalene skeleton. R1 and R2 each represent an alkyl group, a cycloalkyl group, an alkoxy group, a cyano group, a silyl group or a halogen atom. a and b each represent an integer in a range of 0 to 4. m and n each represent an integer in a range of 1 to 4.Type: ApplicationFiled: April 14, 2008Publication date: January 8, 2009Applicant: Idemitsu Kosan Co., Ltd.Inventors: Masahiro Kawamura, Kazuki Nishimura, Yoriyuki Takashima, Mitsunori Ito, Toshihiro Iwakuma, Toshinari Ogiwara, Chishio Hosokawa, Kenichi Fukuoka
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Publication number: 20090009073Abstract: There are provided oligoarylene derivatives capable of emitting blue light at high luminous efficiency which are represented by the following general formulae (1) to (4): Ar1—Ch—Ar2??(1) Ch1-L-Ch2??(2) Ar3-(L1)a-Ch3-(L2)b-Ar4??(3) Ar5—Ch4—(Ar7)n-L3-(Ar8)m—Ch5—Ar6??(4) wherein Ch, Ch1 and Ch2 are respectively a group containing at least one substituted or unsubstituted condensed aromatic ring having 14 to 20 nuclear atoms; Ch3, Ch4 and Ch5 are respectively a substituted or unsubstituted arylene group having 14 to 20 nuclear atoms; Ar1, Ar2, Ar3, Ar4, Ar5 and Ar6 are respectively a substituted or unsubstituted aryl group having 5 to 30 nuclear atoms; Ar7 and Ar8 are respectively a substituted or unsubstituted arylene group having 5 to 30 nuclear atoms; L1, L2 and L3 are respectively a connecting group; and a, b, n and m are respectively an integer of 0 to 1, as well as organic electroluminescent devices using the same.Type: ApplicationFiled: September 10, 2008Publication date: January 8, 2009Applicant: Idemitsu Kosan Co., Ltd.Inventors: Hidetsugu Ikeda, Masahide Matsuura, Hisayuki Kawamura
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Publication number: 20090009074Abstract: There are provided oligoarylene derivatives capable of emitting blue light at high luminous efficiency which are represented by the following general formulae (1) to (4): Ar1?Ch?Ar2??(1) Ch1?L?Ch2??(2) Ar3?(L1)a?Ch3?(L2)b?Ar4??(3) Ar5?Ch4?(Ar7)n?L3?(Ar8)m?Ch5?Ar6??(4) wherein Ch, Ch1 and Ch2 are respectively a group containing at least one substituted or unsubstituted condensed aromatic ring having 14 to 20 nuclear atoms; Ch3, Ch4 and Ch5 are respectively a substituted or unsubstituted arylene group having 14 to 20 nuclear atoms; Ar1, Ar2, Ar3, Ar4, Ar5 and Ar6 are respectively a substituted or unsubstituted aryl group having 5 to 30 nuclear atoms; Ar7 and Ar8 are respectively a substituted or unsubstituted arylene group having 5 to 30 nuclear atoms; L1, L2 and L3 are respectively a connecting group; and a, b, n and m are respectively an integer of 0 to 1, as well as organic electroluminescent devices using the same.Type: ApplicationFiled: September 10, 2008Publication date: January 8, 2009Applicant: Idemitsu Kosan Co., Ltd.Inventors: Hidetsugu Ikeda, Masahide Matsuura, Hisayuki Kawamura
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Publication number: 20090008606Abstract: A naphthalene derivative represented by the following formula (1) is provided. In the formula, Ar1 to Ar4 each represent an aromatic hydrocarbon cyclic group having 6 to 18 carbon atoms forming a ring. The aromatic hydrocarbon cyclic group has none of anthracene skeleton, pyrene skeleton, aceanthrylene skeleton and naphthacene skeleton. n, m and l each represent an integer in a range of 1 to 5. p represents an integer in a range of 0 to 5. When n, m, l and p each are 2 or more, a plurality of Ar1 to Ar4 may be mutually the same or different.Type: ApplicationFiled: April 14, 2008Publication date: January 8, 2009Applicant: Idemitsu Kosan Co., Ltd.Inventors: Masahiro KAWAMURA, Kazuki Nishimura, Yoriyuki Takashima, Mitsunori Ito, Toshihiro Iwakuma, Toshinari Ogiwara, Chishio Hosokawa, Kenichi Fukuoka
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Publication number: 20090008605Abstract: A naphthalene derivative represented by the following formula (1) is provided. In the formula, Ar1 to Ar4 each represent an aromatic hydrocarbon cyclic group having 6 to 18 carbon atoms forming a ring. The aromatic hydrocarbon cyclic group has none of anthracene skeleton, pyrene skeleton, aceanthrylene skeleton and naphthacene skeleton. n, m and 1 each represent an integer in a range of 1 to 5. p represents an integer in a range of o to 5. When n, m, 1 and p each are 2 or more, a plurality of Ar1 to Ar4 may be mutually the same or different.Type: ApplicationFiled: April 14, 2008Publication date: January 8, 2009Applicant: Idemitsu Kosan Co., Ltd.Inventors: Masahiro Kawamura, Kazuki Nishimura, Yoriyuki Takashima, Mitsunori Ito, Toshihiro Iwakuma, Toshinari Ogiwara, Chishio Hosokawa, Kenichi Fukuoka
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Publication number: 20090009065Abstract: An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. In the organic electroluminescence device, the organic thin-film layer includes at least one emitting layer, and the at least one emitting layer includes at least one phosphorescent material and a host material represented by the following Formula (1).Type: ApplicationFiled: April 23, 2008Publication date: January 8, 2009Applicant: Idemitsu Kosan Co., Ltd.Inventors: Kazuki NISHIMURA, Toshihiro Iwakuma, Kenichi Fukuoka, Chishio Hosokawa, Masahiro Kawamura, Mitsunori Ito, Yoriyuki Takashima, Toshinari Ogiwara
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Publication number: 20080303423Abstract: The present invention relates to anthracene derivatives which are suitable for use in organic electroluminescent devices, and to organic electroluminescent devices containing these anthracene derivatives.Type: ApplicationFiled: December 7, 2006Publication date: December 11, 2008Applicant: Merck Patent GmbHInventors: Holger Heil, Arne Buesing, Philipp Stoessel
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Publication number: 20080299294Abstract: The present invention discloses an anthracene compound which can be used as emitting material in organic electroluminescence devices is disclosed. The mentioned anthracene compound is represented by the following formula [I] Wherein Ar1 and Ar2 are the same or different and each is selected from a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted anthryl group.Type: ApplicationFiled: June 4, 2007Publication date: December 4, 2008Inventor: Feng-Wen Yen
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Publication number: 20080297040Abstract: There is provided a charge transport compound having the formula T-LG-T, where T is a charge transport moiety having the formula —Ar1-An-Ar2 and LG is a linking group. In the compound, An is a divalent anthracene moiety; Ar1 is a single bond or an aromatic group which can be naphthyl, binaphthyl, naphthylphenylene, naphthylbiphenylene, or naphthylbinaphthylene; Ar2 is an aromatic group which can be naphthyl, binaphthyl, naphthylphenylene, naphthylbiphenylene, or naphthylbinaphthylene; and LG can be biphenylene, binaphthylene, or Formula I In Formula I, Q1 and Q2 are the same or different can be alkyl and aryl, or Q1 and Q2 taken together can be alkylene; and Ar3 and Ar4 are the same or different and can be phenylene or naphthylene.Type: ApplicationFiled: May 30, 2008Publication date: December 4, 2008Inventor: WEISHI WU
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Publication number: 20080286611Abstract: To provide an organic light emitting device with high color purity, high efficiency, high luminance, and a long life, the organic light emitting device includes: a pair of electrodes having an anode and a cathode, and at least one layer containing an organic compound sandwiched between the pair of electrodes, at least one of the anode and the cathode being transparent or translucent, in which at least one layer containing an organic compound contains at least one kind of the benzo(ghi)fluoranthene derivative represented by the following General Formula (1) or (2).Type: ApplicationFiled: May 9, 2008Publication date: November 20, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Masanori Muratsubaki, Akihito Saitoh, Satoshi Igawa, Takao Takiguchi, Shinjiro Okada
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Patent number: 7445856Abstract: An organic electroluminescent device including an organic green emission layer comprising a green emission material and a blue emission material. The green emission layer is interposed between a pair of electrodes.Type: GrantFiled: July 26, 2005Date of Patent: November 4, 2008Assignee: Samsung SDI Co., Ltd.Inventors: Hye-In Jeong, Ok-Keun Song, Young-Mo Koo, Yong-Han Lee
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Publication number: 20080224603Abstract: There is provided an organic light-emitting device having an optical output with a high 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: ApplicationFiled: March 5, 2008Publication date: September 18, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Masashi Hashimoto, Hironobu Iwawaki, Satoshi Igawa, Takao Takiguchi, Shinjiro Okada
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Publication number: 20080226940Abstract: The present invention relates to a dibenzo[c,g]triphenylene derivative, a material for an organic 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 least one layer in the organic compound layer described above contains at least one kind of the dibenzo[c,g]triphenylene derivative described above and an equipment comprising the same. The present invention provides a novel compound which is useful as a constitutional component for an organic EL device, and a practical organic EL device which is excellent in a color purity and reduced in an operating voltage and which has a small leaked electric current is materialized by using the above compound.Type: ApplicationFiled: May 13, 2008Publication date: September 18, 2008Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Yoriyuki Takashima, Masakazu Funahashi
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Publication number: 20080220286Abstract: The present invention relates to a dinaphthyl ethylene derivative of formula (I), a process for preparing it, a film prepared from it useful in the manufacure of an organic light emitting device (OLED), an OLED including the film, and the use of the dinaphthyl ethylene derivative in the manufacture of an OLED. Wherein R1 to R16 are defined as in the specification.Type: ApplicationFiled: January 30, 2008Publication date: September 11, 2008Applicants: Tsinghua University, Beijing Visionox Technology Co., LTDInventors: Yong Qiu, Han Chen, Yinkui Li
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Publication number: 20080221240Abstract: The present invention generally provides compositions including carbon-containing molecules, and related methods. In some cases, the present invention relates to aromatic molecules comprising functional groups bonded to the aromatic portion of the molecule, including nonplanar portions of the molecules. Methods of the invention may provide the ability to introduce a wide range of functional groups to carbon-containing molecules. In some cases, methods of the invention may be performed using relatively mild reaction conditions, such as relatively low temperature, low pressure, and/or in the absence of strong acids or strong bases. The present invention may provide a facile and modular approach to synthesizing molecules that may be useful in various applications including photovoltaic devices, sensors, and electrodes (e.g., for electrocatalysis).Type: ApplicationFiled: March 7, 2008Publication date: September 11, 2008Applicant: Massachusetts Institute of TechnologyInventors: Timothy M. Swager, Wei Zhang
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Patent number: 7422778Abstract: Provided are a photoreactive compound represented by formula (1), a liquid crystal alignment layer using the compound, a method of manufacturing the alignment layer, and a liquid crystal display device including the alignment layer: where n is an integer of 20-1000; m is an integer of 1-5; and R is a hydrogen atom, CN, a C1-C5 alkyloxy group, a halogen atom, or a maleimide group.Type: GrantFiled: December 2, 2005Date of Patent: September 9, 2008Assignee: LG Chem, Ltd.Inventors: Byung Hyun Lee, Min Young Lim, Kyungjun Kim, Sung Ho Chun, Sung Joon Oh, Keon Woo Lee, Heon Kim, Hye Won Jeong
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Publication number: 20080214838Abstract: Described are oligotetracenes of formula I which may either be unsubstituted or carry one or more substituents R and R? which are selected from the group comprising halogen, CN, alkyl or alkoxy radicals containing 1 to 18 carbon atoms, aryl radicals containing up to 10 carbon atoms which may also contain one or more heteroatoms, and/or fluorinated or perfluorinated alkyl or alkoxy radicals containing 1 to 18 carbon atoms, where n is an integer from 1 to 20, preferably 1 to 6, very particularly preferably 1 or 2, and X stands for a single bond, an alklyene group containing 1 to 6 carbon atoms, a hydrocarbon chain having one or more conjugated double bonds, an aryl group, or a system composed of one or more condensed aromatic rings. In the oligotetracenes according to the invention, one or more of the condensed aromatic six-atom rings may be substituted by a five-atom ring which may also contain a heteroatom.Type: ApplicationFiled: June 21, 2006Publication date: September 4, 2008Inventors: Matthias Rehahn, Michael Roth, Heinz Von Seggern, Roland Schmechel, Marcus Ahles
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Publication number: 20080200736Abstract: A fluorene compound and an organic light-emitting element including the fluorene compound are provided. The fluorene compound is represented by the following general formula [1], and the fluorene compound is a material for an organic light-emitting element. A steric hindrance group is introduced directly on a fluorene ring in the fluorene compound.Type: ApplicationFiled: February 14, 2008Publication date: August 21, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Tetsuya Kosuge, Jun Kamatani, Naoki Yamada, Ryota Ooishi, Shinjiro Okada
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Publication number: 20080193799Abstract: The novel compound of the present invention has the diphenylanthracene structure at the center and a specific structure substituted with an aryl group at end portions. The organic electroluminescence device of the present invention comprises a plurality of layers of thin films of organic compounds which comprise a light emitting layer or a plurality of layers comprising a light emitting layer and are disposed between a pair of electrodes and at least one of the layers of thin films of organic compounds comprises the above novel compound. The novel compound exhibits excellent efficiency of light emission and heat resistance, has a long life and emits bluish-light having excellent purity of color and the organic electroluminescence device comprises the novel compound and exhibits the same advantageous properties.Type: ApplicationFiled: March 31, 2008Publication date: August 14, 2008Applicant: Idemitsu Kosan Co., Ltd.Inventors: Hidetsugu Ikeda, Hiromasa Arai, Masakazu Funahashi, Chishio Hosokawa
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Publication number: 20080193797Abstract: The present invention relates to compounds of the formula (1) and to the use thereof in organic electroluminescent devices. The compounds of the formula (1) are used as host material or dopant in the emitting layer and/or as hole-transport material and/or as electron-transport material.Type: ApplicationFiled: July 26, 2006Publication date: August 14, 2008Applicant: Merck Patent GmbHInventors: Holger Heil, Arne Buesing, Philipp Stoessel, Horst Vestweber, Amir Hossain Parham
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Publication number: 20080185555Abstract: Acene-based compounds that can be used to prepare n-type semiconductor materials are provided with processes for preparing the same. Composites and electronic devices including n-type semiconductor materials prepared from these compounds also are provided.Type: ApplicationFiled: November 19, 2007Publication date: August 7, 2008Inventors: Antonio Facchetti, Tobin J. Marks, Zhiming M. Wang
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Patent number: 7402346Abstract: An organic electroluminescent device comprising an anode, an electroluminescent region, and a cathode. The luminescent region comprises a light-emitting material of Formula I wherein R1 is independently selected from the group consisting of a hydrogen, an alkyl group, an aryl group, a heteroaryl group, an alkoxy group, an amino group, an alkyl amino group, and an aryl amino group; R2 is independently selected from the group consisting of hydrogen, a hetero atom, and an alkyl group; R3 is independently selected from the group consisting of hydrogen, an alkyl group, an aryl group, a heteroaryl group, an alkoxy group, a halogen atom, and a cyano group; and, R4 is independently selected from the group consisting of hydrogen, an alkyl group, an aryl group, a heteroaryl group, an alkoxy group, a halogen atom, and a cyano group.Type: GrantFiled: December 7, 2004Date of Patent: July 22, 2008Assignee: LG. Philips LCD Co., Ltd.Inventors: Jennifer A. Coggan, Hany Aziz, Timothy P. Bender, Nan-Xing Hu
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Publication number: 20080152950Abstract: An anthracene derivative and an organic electroluminescent device using the same are provided. More specifically, provided are an anthracene derivative represented by Formula 1: wherein each R1 is aryl; and each R2 is independently C6-C20 aryl or C3-C19 heteroaryl, which are unsubstituted or substituted with one or more substituents selected from the group consisting of C1-C10 alkyl, C1-C10 alkoxy, cyano, C1-C10 alkylamino, C1-C10 alkylsilyl, halogen, C6-C10 aryl, C6-C10 aryloxy, C6-C10 arylamino, C6-C10 arylsilyl, C3-C19 heteroaryl and hydrogen; and an organic electroluminescent device using the same. The present invention can provide an organic electroluminescent device having excellent power and luminance efficiencies in conjunction with a long service life.Type: ApplicationFiled: November 30, 2007Publication date: June 26, 2008Applicant: SFC CO., LTD.Inventors: Jong-Tae JE, Sug-Kwang Hwang, Sung-Hoon Kim, Seung-Hyuck Choi, Seon-Keun Yoo
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Publication number: 20080153859Abstract: The invention relates to multiply-substituted tetrahydronaphthalene derivatives of formula (I) process for their production and their use as anti-inflammatory agents.Type: ApplicationFiled: February 25, 2008Publication date: June 26, 2008Inventors: Hartmut Rehwinkel, Stefan Baeurle, Markus Berger, Norbert Schmees, Heike Schaecke, Konrad Krolikiewicz, Anne Mengel, Duy Nguyen, Stefan Jaroch, Werner Skuballa
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Patent number: 7385095Abstract: The present invention provides an indene derivatives having a new structure and an organic light-emitting diode using the same. The organic light-emitting diode according to the present invention shows improved effects in efficiency, driving voltage and stability.Type: GrantFiled: October 19, 2006Date of Patent: June 10, 2008Assignee: LG Chem, Ltd.Inventors: Dae Woong Lee, Jae Soon Bae, Dong Hoon Lee, Kong Kyeom Kim
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Publication number: 20080124571Abstract: Provided are a pyrene derivative of a specified structure and an organic electroluminescence device including an organic thin film layer formed of one or multiple layers including at least a light emitting layer, the organic thin film layer being interposed between a cathode and an anode, in which at least one layer of the organic thin film layer contains the pyrene derivative alone or as a component of mixture. Thus, there are provided an organic electroluminescence device capable of obtaining long-life blue light emission with high luminous efficiency and a novel pyrene derivative for realization thereof.Type: ApplicationFiled: October 29, 2007Publication date: May 29, 2008Applicant: Idemitsu Kosan Co., Ltd.Inventors: Mitsunori Ito, Mineyuki Kubota
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Publication number: 20080119376Abstract: There is disclosed a lubricant composition comprising a base oil comprising a reduced total amount of cyclobenzene as compared to another base oil. Methods of using the lubricant composition for preventing and/or reducing the deposit formation in an engine are also disclosed.Type: ApplicationFiled: November 17, 2006Publication date: May 22, 2008Inventors: Mark T. Devlin, John T. Loper, Roger M. Sheets, Todd M. Dvorak
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Publication number: 20080113215Abstract: An electroluminescent compound is a diarylamine anthracene compound.Type: ApplicationFiled: December 6, 2005Publication date: May 15, 2008Inventors: Poopathy Kathirgamanathan, Alexander Kit Lay, Muttulingam Kumaraverl, Subramaniam Ganeshamurugan
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Patent number: 7371906Abstract: A process for improving the stability to photo-oxidation of a polycyclic aromatic compound having at least two polymorphic forms comprises treating a first polymorph with one or more solvents to obtain the more stable second polymorph and then separating the second polymorph from the solvent.Type: GrantFiled: August 24, 2004Date of Patent: May 13, 2008Assignee: Eastman Kodak CompanyInventors: William J. Begley, William F. Nichols, Manju Rajeswaran, Natasha Andrievsky, Michael R. Landry
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Publication number: 20080105865Abstract: An object is to provide a pyrene based compound that is good in both properties of light emission and mobility when the compound is used as a light emitting transistor element; and a light emitting transistor element wherein this specific pyrene based compound is used. A pyrene based compound represented by the following chemical formula (1) is used as a main component of a light emitting layer in a light emitting transistor element: (wherein R1 represents a group selected from a heteroaryl group which may have a substituent, an aryl group which may have a substituent except a phenyl group which does not have any substituent, an alkyl group which may have a substituent and has a main chain having 1 to 20 carbon atoms, an alkenyl group which may have a substituent, an alkynyl group which may have a substituent, a silyl group which may have a substituent, and a halogen atom.Type: ApplicationFiled: November 25, 2005Publication date: May 8, 2008Inventors: Takahito Oyamada, Hiroyuki Uchiuzou, Chihaya Adachi, Seiji Akiyama, Takayoshi Takahashi
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Publication number: 20080100207Abstract: Provided are a cyclopentaphenanthrene-based compound and an organoelectroluminescent device employing the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, color stability, and thermal stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, an emitting layer, in an organoelectroluminescent device, and as an organic dye or an electronic material such as a nonlinear optical material.Type: ApplicationFiled: July 18, 2007Publication date: May 1, 2008Inventors: Sang-Hoon Park, Yu-Jin Kim, Jhun-Mo Son