Patents Examined by Dawn Garrett
  • Patent number: 9496506
    Abstract: This invention relates to deuterated indolocarbazole compounds that are useful in electronic applications. It also relates to electronic devices in which the active layer includes such a deuterated compound.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: November 15, 2016
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Daniel David Lecloux, Kalindi Dogra, Weishi Wu, Adam Fennimore, Eric Maurice Smith
  • Patent number: 9478750
    Abstract: This organic electroluminescent element is manufactured by using an anthracene derivative having a pyridyl aryl group substituted with an alkyl represented by formula (1) as an electron transport material, and satisfies characteristics such as the following in an adequate and well-balanced manner: improves the external quantum efficiency of the light-emitting element, which is generally required by the electron transport material; reduces the drive voltage of the light-emitting element; and increases the life of the element. (In formula (1), Ar is a divalent or trivalent benzene or naphthalene; R is hydrogen or an alkyl with a carbon number of 1 to 6, but all of the Rs never simultaneously form hydrogen; and R1 to R4 are, individually, hydrogen, an alkyl with a carbon number of 1 to 6, a cycloalkyl with a carbon number of 3 to 6, or an aryl with a carbon number of 6 to 20.
    Type: Grant
    Filed: January 15, 2013
    Date of Patent: October 25, 2016
    Assignee: JNC CORPORATION
    Inventors: Toshihiro Koike, Yohei Ono
  • Patent number: 9478748
    Abstract: An organic light emitting diode display including an anode; a cathode facing the anode; and an emission layer between the anode and the cathode, wherein the emission layer includes a compound represented by Chemical Formula 1, below, and a compound represented by Chemical Formula 2, below:
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: October 25, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Jae-Yong Lee
  • Patent number: 9472785
    Abstract: An organic light-emitting device includes a first electrode; a second electrode; an organic layer between the first electrode and the second electrode; and a light efficiency-improvement layer disposed on the first electrode or the second electrode. The light efficiency-improvement layer includes a heterocyclic compound represented by Formula 1, which is described in more detail in the detailed description section of the present application.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: October 18, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee-Yeon Kim, Jung-Sub Lee
  • Patent number: 9461260
    Abstract: Provided is an organic light emitting device that has high efficiency and high durability against continuous driving. The organic light emitting device includes an anode, a cathode, and organic compound layers placed between the anode and the cathode, in which the organic compound layers include a hole transport layer and an emitting layer, the hole transport layer and the emitting layer are in contact with each other, the hole transport layer has an arylamine compound and an aromatic hydrocarbon compound, and the emitting layer has a host and an electron trap dopant.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: October 4, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hajime Muta, Yohei Iwasaki, Tetsuo Takahashi
  • Patent number: 9461252
    Abstract: An object is to provide a novel organometallic complex that has a broader emission spectrum in the wavelength range of green to blue. Other objects are to provide a light-emitting element using the organometallic complex, and a light-emitting device, an electronic device, and a lighting device each using the light-emitting element. Provided is an organometallic complex represented by a general formula (G1). Represented by the general formula (G1) is a novel organometallic complex that exhibits a broad emission spectrum in the wavelength range of green to blue. Further provided are a light-emitting element using the organometallic complex, and a light-emitting device, an electronic device, and a lighting device each using the light-emitting element.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: October 4, 2016
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hideko Inoue, Tomoka Nakagawa, Nobuharu Ohsawa, Satoshi Seo
  • Patent number: 9458182
    Abstract: The present invention relates to silyl- and heteroatom-substituted compounds selected from carbazoles, dibenzofurans, dibenzothiophenes and disilylbenzophospholes of the formula (I) or (I*), to the use of the compounds of the formula (I) or (I*) in organic electronics applications, preferably in organic light-emitting diodes, to an organic light-emitting diode comprising at least one compound of the formula (I) or (I*), to a light-emitting layer comprising at least one compound of the formula (I) or (I*), to a blocking layer for holes/excitons comprising at least one compound of the formula (I) or (I*), and to an apparatus selected from the group consisting of stationary visual display units, mobile visual display units, illumination units, keyboards, items of clothing, furniture and wallpaper, comprising at least one inventive organic light-emitting diode.
    Type: Grant
    Filed: December 14, 2009
    Date of Patent: October 4, 2016
    Assignees: BASF SE, OLEDWORKS GmbH, OSRAM OPTO SEMICONDUCTORS GmbH
    Inventors: Nicolle Langer, Christian Schildknecht, Soichi Watanabe, Evelyn Fuchs, Gerhard Wagenblast, Christian Lennartz, Oliver Molt, Korinna Dormann, Chuanjie Loh, Arvid Hunze, Ralf Krause, Guenter Schmid, Karsten Heuser, Volker van Elsbergen, Herbert Friedrich Boerner, Stefan Kirsch
  • Patent number: 9431614
    Abstract: Discussed is an organic light emitting device that exhibits improved efficiency and driving voltage by applying a novel material facilitating charge generation to a charge generation layer. The charge generation layer contains a compound represented by the following formulae: wherein R1, R2, R3, R4, R5, R6, R7 and R8 are optionally substituted and are independently selected from an aromatic group having 6 to 20 carbon atoms, and R9 and R10 are independently selected from hydrogen, an optionally substituted aromatic ring having 6 to 20 carbon atoms and an optionally substituted heterocyclic compound having 3 to 17 carbon atoms and one or more elements of N, S and P.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: August 30, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jeong-Dae Seo, Chang-Wook Han, Yoon-Heung Tak, Hyo-Seok Kim, Eun-Ju Jeon, Hye-Seung Kang
  • Patent number: 9431616
    Abstract: Provided are a phosphaphenanthrene-carbazole-based organic light-emitting compound having superior light emitting properties, and an organic light-emitting device including the same.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: August 30, 2016
    Assignee: INKTEC CO., LTD.
    Inventors: Kwang Choon Chung, Hyun Nam Cho, Ji Hoon Yoo, Yun Ho Jung
  • Patent number: 9419229
    Abstract: Disclosed are a compound for an organic optoelectric device, an organic optoelectric device including the same and a display device including the organic optoelectric device, wherein the compound for an organic optoelectric device is represented by the following Chemical Formula 1, In the above Chemical Formula 1, R1 to R7, X, L1 and L2 are the same as described in the detailed description.
    Type: Grant
    Filed: November 20, 2013
    Date of Patent: August 16, 2016
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Jin-Seok Hong, Dong-Min Kang, Eun-Sun Yu, Soo-Young Jeong, Ji-Hun Shin, Dong-Kyu Ryu, Han-ill Lee, Yu-Na Jang
  • Patent number: 9416107
    Abstract: A heterocyclic compound represented by Formula 1 below and an organic light-emitting device including the same: wherein Formula 1 is defined as in the detailed description.
    Type: Grant
    Filed: October 13, 2011
    Date of Patent: August 16, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun-Young Lee, Yoon-Hyun Kwak, Bum-Woo Park, Hee-Joo Ko, Jong-Hyuk Lee
  • Patent number: 9419224
    Abstract: A fluoro group-containing compound, a fluoro group-containing polymer, an organic light emitting device including the polymer, and a method of manufacturing the organic light emitting device are provided.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: August 16, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jhun-mo Son, Won-jae Joo, Ho-suk Kang, Hye-yeon Yang
  • Patent number: 9412951
    Abstract: Organic materials and organic electroluminescent apparatuses using the same are provided. The structural general formula of the materials is shown below, wherein Ar is selected from residues of C6-C30 fused-ring aromatic hydrocarbons, Ar1 and Ar2 are each independently selected from the group consisting of hydrogen, C6-C24 aryl, and C6-C24 heterocyclic aryl, and n is an integer selected from 2 and 3. The present organic materials can be used as electron transport layers in the organic electroluminescent apparatuses.
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: August 9, 2016
    Assignees: BEIJING VISIONOX TECHNOLOGY CO., LTD., KUNSHAN VISIONOX DISPLAY CO., LTD., TSINGHUA UNIVERSITY
    Inventors: Yong Qiu, Yinkui Li, Jing Xie
  • Patent number: 9412963
    Abstract: The disclosure relates to organic electroluminescent elements, materials for use in the elements, and devices using the elements, which include a compound represented by the following General Formula (1): where R1 to R12 each independently represents a hydrogen atom or a substituent and which may be bound to each other to form a non-aromatic ring, where Z1 to Z4 each independently represents a hydrogen atom or a substituent, and where Z1 and Z2, and Z3 and Z4 may be bound to each other to form a ring.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: August 9, 2016
    Assignee: UDC Ireland Limited
    Inventors: Koji Takaku, Yasunori Yonekuta, Katsuyuki Youfu, Wataru Sotoyama, Tianhua Ouyang, Tetsu Kitamura, Toru Watanabe
  • Patent number: 9401481
    Abstract: Compounds represented by Formula 1 and organic light-emitting devices including an organic layer including the compounds are disclosed.
    Type: Grant
    Filed: August 27, 2012
    Date of Patent: July 26, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventor: Young-Kook Kim
  • Patent number: 9397299
    Abstract: It is an object of the present invention to provide a novel triazole derivative. Further, it is another object of the present invention to provide a light-emitting element having high luminous efficiency with the use of the novel triazole derivative. Moreover, it is still another object of the present invention to provide a light-emitting device and electronic devices which have low power consumption. A light-emitting element having high luminous efficiency can be manufactured with the use of a triazole derivative which is a 1,2,4-triazole derivative, in which an aryl group or a heteroaryl group is bonded to each of 3-position, 4-position, and 5-position, and in which any one of the aryl group or heteroaryl group has a 9H-carbazol-9-yl group.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: July 19, 2016
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hiroko Nomura, Sachiko Kawakami, Nobuharu Ohsawa, Satoshi Seo
  • Patent number: 9397298
    Abstract: The present invention provides an organic compound having a basic skeleton which has an emission wavelength in the yellow region, a high luminous efficiency, and good sublimability.
    Type: Grant
    Filed: December 9, 2011
    Date of Patent: July 19, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masashi Hashimoto, Jun Kamatani, Takayuki Horiuchi, Hirokazu Miyashita, Naoki Yamada, Akihito Saitoh
  • Patent number: 9394280
    Abstract: To provide a novel heterocyclic compound that can be used as a host material in which a light-emitting substance of a light-emitting layer is dispersed. A heterocyclic compound comprising a dibenzo[f,h]quinoxaline ring and two hole-transport skeletons, where the dibenzo[f,h]quinoxaline ring and the two hole-transport skeletons are bonded to an aromatic hydrocarbon group. A heterocyclic compound represented by the following general formula (G1) is provided. Note that in the formula, A1 and A2 each independently represent any of a substituted or unsubstituted carbazole skeleton, a substituted or unsubstituted dibenzofuran skeleton, and a substituted or unsubstituted dibenzothiophen skeleton; B represents a substituted or unsubstituted dibenzo[f,h]quinoxaline skeleton; and Ar represents an arene skeleton having 6 to 13 carbon atoms. A light-emitting element including the heterocyclic compound is provided.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: July 19, 2016
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Satoshi Seo, Satoko Shitagaki, Miyako Morikubo, Naoaki Hashimoto, Takahiro Ishisone, Kyoko Takeda, Hiromi Seo
  • Patent number: 9397301
    Abstract: The present invention provides a sulfone group-containing compound, an organic light emitting diode (OLED) device using the sulfone group-containing compound, and a method of fabricating the OLED device. The sulfone group-containing compound has formula as wherein the bridging unit R is capable of connecting to three or more than three fluorene sulfur oxide units; and the unit R1, R2 and R3 respectively connected to the fluorene sulfur oxide units are selected from alkyl chains, aromatic groups or heterocyclic groups. According to the present invention, the sulfone group-containing compound connects to three or more than three fluorene sulfur oxide units with a bridging unit to form a novel star-shaped molecular structure. The sulfone groups-containing compound combines electron affinity and transport properties of the fluorene sulfur oxide units and spatial characteristics of the star-shaped molecular structure, so that efficiency and lifetime of an OLED device using the same can be enhanced.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: July 19, 2016
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Qinghua Zou
  • Patent number: 9391279
    Abstract: Provided are: an aromatic amine derivative in which a terminal substituent such as a dibenzofuran ring or a dibenzothiophene ring is bonded to a nitrogen atom directly or through an arylene group or the like; an organic electroluminescence device including an organic thin film layer formed of one or more layers including a light emitting layer and interposed between a cathode and an anode in which a layer of the organic thin film layer contains the aromatic amine derivative by itself or as a component of a mixture, and the device has a long lifetime and high luminous efficiency; and an aromatic amine derivative for realizing the device.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: July 12, 2016
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yumiko Mizuki, Masakazu Funahashi, Mitsunori Ito, Masahiro Kawamura