Condensation Products And Processes Of Acyclic Ketone And Compound Which Contains Two Benzene Rings Bonded Directly To The Same Nitrogen Patents (Class 564/432)
  • Patent number: 9005779
    Abstract: Disclosed are a compound comprising a five-membered hetero ring, an organic electrical element using the same and a terminal thereof.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: April 14, 2015
    Assignee: Duk San Neolux Co., Ltd.
    Inventors: Junghwan Park, Daesung Kim, Heesun Ji, Soungyun Mun, Sunhee Lee, Bumsung Lee
  • Patent number: 8980443
    Abstract: Disclosed is an organic electroluminescent element which can be produced by a wet process, has improved laminated structure, and also has improved external quantum efficiency and an improved service life. The organic electroluminescent element comprises at least an anode; a cathode and a laminated structure intercalated between the anode and the cathode, all of which are arranged on a substrate, wherein the laminated structure has at least four layers formed by a wet process, and wherein the layers produced by the wet process include at least a hole injection layer, a hole transport layer and a light-emitting layer. The organic electroluminescent element is characterized in that the hole injection layer comprises an electrically conductive polymer, the hole transport layer comprises a polymeric compound having a repeating unit represented by general formula (1), and the polymeric compound has a weight average molecular weight of 50,000 to 200,000 in terms of polystyrene content.
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: March 17, 2015
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Kazutoshi Murota, Toshihiko Iwasaki
  • Patent number: 8980442
    Abstract: There are provided an aromatic monoamine derivative having a fluorene structure-containing organic group and an aromatic hydrocarbon group-containing organic group, and an organic electroluminescent element containing an organic thin film layer composed of a single layer or plural layers while including at least a light emitting layer, the organic thin film layer being between a cathode and an anode, wherein at least one layer of the organic thin film layer, particularly a hole transport layer, contains the aromatic amine derivative alone or as a component of a mixture. An organic electroluminescent element which maintains high luminous efficiency even if exposed to a high temperature environment, and has a low driving voltage and a long emission lifetime, and an aromatic amine derivative capable of realizing the organic electroluminescent element are provided.
    Type: Grant
    Filed: March 18, 2010
    Date of Patent: March 17, 2015
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Nobuhiro Yabunouchi, Tomoki Kato, Takahiro Fujiyama, Yoshiyuki Totani
  • Patent number: 8940416
    Abstract: A triarylamine derivative represented by a general formula (G1) given below is provided. Note that in the formula, Ar represents either a substituted or unsubstituted phenyl group or a substituted or unsubstituted biphenyl group; ? represents a substituted or unsubstituted naphthyl group; ? represents either hydrogen or a substituted or unsubstituted naphthyl group; n and m each independently represent 1 or 2; and R1 to R8 each independently represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, or a phenyl group.
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: January 27, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Harue Osaka, Takahiro Ushikubo, Nobuharu Ohsawa, Satoshi Seo, Tsunenori Suzuki
  • Patent number: 8927119
    Abstract: There is provided an organic compound having excellent characteristics, including excellent electron-injecting/transporting performance, hole blocking ability, and high stability in the thin-film state, for use as material of an organic electroluminescent device having high efficiency and high durability. There is also provided a high-efficient and high-durable organic electroluminescent device using the compound. The compound is represented by general formula (1) having a substituted anthracene ring structure and a pyridoindole ring structure. The organic electroluminescent device includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes, and the compound is used as a constituent material of at least one organic layer.
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: January 6, 2015
    Assignee: Hodogaya Chemical Co., Ltd.
    Inventors: Norimasa Yokoyama, Shuichi Hayashi, Naoaki Kabasawa, Daizou Kanda, Shigeru Kusano
  • Patent number: 8900728
    Abstract: It is an object of the present invention to provide a material which is excellent in a hole injecting property and a hole transporting property, and to provide a light emitting element and a light emitting device using a material which is excellent in a hole injecting property and a hole transporting property. The present invention provides a carbazole derivative represented by a general formula (1). The carbazole derivative according to the present invention is excellent in the hole injecting property. By using the carbazole derivative according to the present invention as a hole injecting material for a hole injecting layer of a light emitting element, a driving voltage can be reduced. In addition, a lower driving voltage, improvement of the luminous efficiency, a longer life time, and higher reliability can be realized by applying the material to a light emitting element or a light emitting device.
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: December 2, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Harue Nakashima, Sachiko Kawakami, Daisuke Kumaki
  • Patent number: 8889265
    Abstract: A copolymer having two or more repeating units selected from the group consisting of arylene groups, divalent heterocyclic groups and divalent aromatic amine groups wherein the copolymer has, on at least one of molecular chain ends, a monovalent heterocyclic group, a monovalent group derived from a heterocyclic group coordinated metal complex, and an aromatic end group selected from aryl groups having a formula weight of 90 or more, and the copolymer shows fluorescence in the solid state and has a polystyrene-reduced weight-average molecular weight of 103 to 108.
    Type: Grant
    Filed: July 18, 2003
    Date of Patent: November 18, 2014
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tomoyuki Suzuki, Takanobu Noguchi, Chizu Sekine
  • Patent number: 8877355
    Abstract: The present invention provides an organic electroluminescent device exhibiting a long life, a high luminance, and a high efficiency. An organic electroluminescent device comprising on a substrate an anode, a hole transport layer, an organic light-emitting layer, and a cathode, wherein the organic light-emitting layer contains an organic compound having a pyridine ring, a pyrazine ring, or a triazine ring as a partial structure and the hole transport layer contains a monoamine compound represented by the following formula (I): wherein R1 to R9 represent a hydrogen atom, an aryl group, or an alkyl group; R1 to R9 may be the same or different from each other; and R1 to R9 may further have an aryl group or an alkyl group as a substituent in the case where R1 to R9 are an aryl group or an alkyl group.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: November 4, 2014
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Masayoshi Yabe, Masayo Fugono, Koichiro Iida, Masako Takeuchi, Tomoyuki Ogata
  • Patent number: 8828559
    Abstract: A heterocyclic compound represented by Formula 1A and an organic light-emitting device including the heterocyclic compound: at least one of R1 to R13 is a group represented by Formula 1B below: wherein R1 to R15, Ar1, Ar2, A, B, a, and b are defined as in the specification. The organic light-emitting device may include an organic layer containing the heterocyclic compound, and thus may have a low driving voltage, a high-emission efficiency, and long lifespan characteristics.
    Type: Grant
    Filed: April 12, 2012
    Date of Patent: September 9, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hye-Jin Jung, Seok-Hwan Hwang, Young-Kook Kim, Jin-O Lim, Sang-Hyun Han, Soo-Yon Kim, Dae-Yup Shin
  • Patent number: 8815410
    Abstract: It is an object of the present invention to provide a light emitting element, which is resistant to repetition of an oxidation reaction. It is another object of the invention to provide a light emitting element, which is resistant to repetition of a reduction reaction. An anthracene derivative is represented by a general formula (1). In the general formula (1), R1 represents hydrogen or an alkyl group having 1 to 4 carbon atoms, R2 represents any one of hydrogen, an alkyl group having 1 to 4 carbon atoms and an aryl group having 6 to 12 carbon atoms, R3 represents any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, and an aryl group having 6 to 12 carbon atoms, Ph1 represents a phenyl group, and X1 represents an arylene group having 6 to 15 carbon atoms.
    Type: Grant
    Filed: December 26, 2005
    Date of Patent: August 26, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Harue Nakashima, Sachiko Kawakami, Kumi Kojima, Ryoji Nomura, Nobuharu Ohsawa
  • Patent number: 8785007
    Abstract: The present invention provides green and red conversion films capable of keeping a sufficient intensity of converted light over a long period, and a multicolor emission organic EL device which exhibits light-emitting properties stably over a long period. The present invention includes a pendant-type polymeric compound characterized in that the pendant-type polymeric compound contains at least one repeating unit represented by a general formula (1) and at least one repeating unit represented by a general formula (2), (6) or (7), wherein n/(m+n)=1/100 to 100/100 provided that the molar ratio of (1):(2), (6) or (7) is m:n.
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: July 22, 2014
    Assignee: Adeka Corporation
    Inventors: Masaru Nagai, Mitsuhiro Okada, Koichi Shigeno
  • Patent number: 8623522
    Abstract: Provided are a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin layer comprising a single layer or plural layers including a light emitting layer is interposed between a cathode and an anode, wherein at leas one layer of the above organic thin layer contains the aromatic amine derivative described above in the form of a single component or a mixed component. Thus, the organic electroluminescence device is less liable to be crystallized in molecules, improved in a yield in producing the organic electroluminescence device and extended in a lifetime.
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: January 7, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Nobuhiro Yabunouchi, Tetsuya Inoue
  • Patent number: 8617725
    Abstract: By use of a 2,9,10-triaryl anthracene derivative in which a diarylamino-substituted aryl group is bonded to the 2-position of a 9,10-diarylanthracene for a light-emitting element, a light-emitting element having high efficiency can be obtained. The emission wavelength of the anthracene derivative is suitable for use in a white light-emitting element. By use of the anthracene derivative for a white light-emitting element, a white light-emitting element having high efficiency can be obtained.
    Type: Grant
    Filed: January 23, 2012
    Date of Patent: December 31, 2013
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Takahiro Ushikubo, Satoshi Seo
  • Patent number: 8431248
    Abstract: It is an object of the present invention to provide a material which is excellent in a hole injecting property and a hole transporting property, and to provide a light emitting element and a light emitting device using a material which is excellent in a hole injecting property and a hole transporting property. The present invention provides a carbazole derivative represented by a general formula (I). The carbazole derivative according to the present invention is excellent in the hole injecting property. By using the carbazole derivative according to the present invention as a hole injecting material for a hole injecting layer of a light emitting element, a driving voltage can be reduced. In addition, a lower driving voltage, improvement of the luminous efficiency, a longer life time, and higher reliability can be realized by applying the material to a light emitting element or a light emitting device.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: April 30, 2013
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Harue Nakashima, Sachiko Kawakami, Daisuke Kumaki
  • Patent number: 7825211
    Abstract: A process for synthesizing formulations for polyimides suitable for use in high-temperature composites in which all reactions other than chain-extension have already taken place prior to making a composite is described, wherein the resulting oligomers comprise a backbone and at least one difunctional endcap. The resulting resin systems have only the single step of endcap-to-endcap reactions during composite processing. Prior to the initiation temperature of these endcap-to-endcap reactions, the resins are stable affording the composite manufacturer a very large processing window.
    Type: Grant
    Filed: June 22, 2007
    Date of Patent: November 2, 2010
    Assignee: The Boeing Company
    Inventors: Hyman Ralph Lubowitz, Thomas Karl Tsotsis
  • Patent number: 6541670
    Abstract: A compound of the general formula I wherein R1 represents a substituent selected from the group consisting of halogen, hydroxy, mercapto, trifluoromethyl, amino, (C1-C3)alkyl, (C2-C3)olefinic group, (C1-C3)alkoxy, (C1-C3)alkylthio, (C1-C6)alkylamino, (C1-C3)alkoxycarbonyl, cyano, —CONH2, phenyl, and nitro; R2 represents one or more, same or different substituents selected from the group consisting of hydrogen, halogen, hydroxy, mercapto, trifluoromethyl, amino, (C1-C3)alkyl, (C2-C3)olefinic group, (C1-C3)alkoxy, (C1-C3)alkylthio, (C1-C6)alkylamino, (C1-C3)alkoxycarbonyl, cyano, —CONH2, phenyl, and nitro; R3 represents one or more, same or different substituents selected from the group consisting of hydrogen, halogen, hydroxy, mercapto, trifluoromethyl, cyano, carboxy, carbamoyl, (C1-C10)alkyl, (C2-C10)olefinic group, (C3-C8)monocyclic hydrocarbon group, (C1-C10)alkoxy, (C1-C10)alkylthio, (C1-C10)alkoxycarbonyl, and phenyl; R4 represents hydrogen, (C1-C6)alkyl, (C2-C6)olefinic
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: April 1, 2003
    Assignee: Leo Pharmaceutical Products Ltd. A/S
    Inventor: Erik Rytter Ottosen
  • Patent number: 6365776
    Abstract: The present invention provides an activator in arylamination using a palladium compound as a catalyst, which is superior to conventional phosphines in stability and performance. With the phosphine sulfide as an activator, an arylamination reaction achieves improved selectivity to produce a desired aromatic amine in an obviously increased yield as compared with a reaction using the corresponding phosphine compound. Moreover, the phosphine sulfide of the invention is impervious to oxidation and exists stably in air and therefore sufficiently withstands use on an industrial scale.
    Type: Grant
    Filed: September 6, 2001
    Date of Patent: April 2, 2002
    Assignee: Takasago International Corporation
    Inventors: Mitsuhiko Fujiwara, Ken Suzuki, Tohru Kobayashi, Yoji Hori, Toshimitsu Hagiwara
  • Patent number: 4231757
    Abstract: Nitrogen-containing compositions made by condensing a nitro phenol with an organic amino compound having at least one hydrogen atom directly bonded to a nitrogen or oxygen atom are useful as additives for lubricants and fuels. A specific embodiment comprises compositions made by reacting nitro phenols having hydrocarbyl substituents of up to 750 aliphatic carbon atoms with alkylene polyamines.
    Type: Grant
    Filed: June 2, 1978
    Date of Patent: November 4, 1980
    Assignee: The Lubrizol Corporation
    Inventor: Kirk E. Davis