Patents Examined by Gregory Clark
  • Polymerizable monomer, and material for organic device, hole injection/transport material, material for organic electroluminescence element and organic electroluminescent element each comprising polymer (polymeric compound) of the polymerizable monomer
    Patent number: 9425402
    Abstract: A polymerizable monomer represented by the following formula (1) wherein at least one of Ar1 to Ar3 is substituted by a group represented by the following formula (2) and which is substituted by one or more groups comprising a polymerizable functional group. Ar1 to Ar3 are a substituted or unsubstituted aryl group having 6 to 40 ring carbon atoms, Ar6 is a substituted or unsubstituted aryl group having 6 to 40 ring carbon atoms and Ar4 and Ar5 are a substituted or unsubstituted arylene group having 6 to 40 ring carbon atoms.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: August 23, 2016
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Mitsuru Eida, Nobuhiro Yabunouchi, Yumiko Mizuki, Masami Watanabe, Akinori Yomogita
  • Bridged triarylamines and -phosphines as materials for electronic devices
    Patent number: 9422287
    Abstract: The present invention relates to a compound according to formula (I), to the use thereof in an electronic device and to an electronic device which comprises one or more compounds according to formula (I).
    Type: Grant
    Filed: March 16, 2011
    Date of Patent: August 23, 2016
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Christof Pflumm
  • Organic light emitting host materials
    Patent number: 9425408
    Abstract: Disclosed herein are compounds represented by formula: where HT, ET, and R1-R6 are described herein. Compositions of said compounds along with organic light-emitting diode (OLED) devices related thereto are also disclosed.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: August 23, 2016
    Assignee: NITTO DENKO CORPORATION
    Inventor: Shijun Zheng
  • Organic light-emitting diode
    Patent number: 9425410
    Abstract: An organic light-emitting diode includes a substrate, a first electrode on the substrate, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, a hole transfer region between the first electrode and the emission layer, and an electron transfer region between the emission layer and the second electrode. The hole transfer region includes a first compound represented by Formula 1, and the emission layer includes a second compound represented by Formula 100.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: August 23, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: So-Yeon Kim, Yoon-Hyun Kwak, Bum-Woo Park, Sun-Young Lee, Wha-Il Choi, Jong-Won Choi, Ji-Youn Lee
  • Organic electroluminescence device
    Patent number: 9419231
    Abstract: An organic electroluminescence device including two or more organic thin film layers including an emitting layer between an anode and a cathode, the emitting layer including at least one compound represented by the following formula (1), and an organic thin film layer that is in contact with the emitting layer on the cathode side comprising at least one benzimidazole compound represented by the following formula (A):
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: August 16, 2016
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Kei Yoshida, Toshihiro Iwakuma, Hideaki Nagashima, Ryohei Hashimoto
  • Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device
    Patent number: 9419237
    Abstract: A novel organic compound having a high hole-transport property is provided. A long-lifetime light-emitting element is provided. An organic compound represented by General Formula (G0) is provided. In General Formula (G0), Ar1 represents a substituted or unsubstituted naphthyl group, Ar2 represents a substituted or unsubstituted carbazolyl group, Ar3 represents a substituted or unsubstituted fluorenyl group or a substituted or unsubstituted spirofluorenyl group, and ?1 and ?2 each independently represent a substituted or unsubstituted phenylene group or a substituted or unsubstituted biphenyldiyl group.
    Type: Grant
    Filed: August 1, 2013
    Date of Patent: August 16, 2016
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Satoko Shitagaki, Takao Hamada, Kanta Abe, Satoshi Seo
  • Condensed fluoranthene compound, material for organic electroluminescent element using this compound, organic electroluminescent element using this material, and electronic device
    Patent number: 9419226
    Abstract: A fused fluoranthene compound which includes an indeno[3,2-b]fluoranthene skeleton having a hetero atom is a novel compound, which is useful as a material for organic electroluminescence devices for use in an organic electroluminescence device and an electronic equipment.
    Type: Grant
    Filed: April 27, 2015
    Date of Patent: August 16, 2016
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Masahiro Kawamura, Kazuki Nishimura
  • Compound for organic optoelectronic device, organic light emitting diode including the same, and display device including the organic light emitting diode
    Patent number: 9419230
    Abstract: A compound for an organic optoelectronic device, an organic light emitting diode including the same, and a display device including the organic light emitting diode are disclosed, and the compound for an organic optoelectronic device represented by Chemical Formula 1 is provided to manufacture an organic optoelectronic device having improved life-span characteristics due to excellent electrochemical and thermal stability, and high luminous efficiency at a low driving voltage.
    Type: Grant
    Filed: June 10, 2013
    Date of Patent: August 16, 2016
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Hyung-Sun Kim, Eun-Sun Yu, Mi-Young Chae
  • Polymers, their preparation and uses
    Patent number: 9419233
    Abstract: A polymer containing an optionally substituted repeat unit of formula (I) wherein each R is the same or different and represents H or an electron withdrawing group, and each R1 is the same or different and represents a substituent.
    Type: Grant
    Filed: May 7, 2013
    Date of Patent: August 16, 2016
    Assignees: CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, CAMBRIDGE ENTERPRISE LIMITED
    Inventors: Carl R. Towns, Chris Mak, Khai Leok Chan, Andrew Bruce Holmes
  • Light-emitting element, light-emitting device, electronic device, lighting device, and heterocyclic compound
    Patent number: 9412953
    Abstract: A light-emitting element with high heat resistance and high emission efficiency is provided. A novel heterocyclic compound that can be used in such a light-emitting element is provided. One embodiment of the present invention is a light-emitting element which includes, between a pair of electrodes, a layer containing a first organic compound, a second organic compound, and a light-emitting substance; the first organic compound includes one pyrimidine ring and one ring with a hole-transport skeleton; the second organic compound is an aromatic amine; and the light-emitting substance converts triplet excitation energy into light. A combination of the first organic compound, which includes the one pyrimidine ring and the one ring with the hole-transport skeleton, and the second organic compound, which is the aromatic amine, forms an exciplex.
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: August 9, 2016
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hideko Inoue, Miyako Morikubo, Naoaki Hashimoto, Hiromi Seo, Satoshi Seo, Miki Kanamoto, Tomoka Nakagawa
  • Organic electroluminescent element
    Patent number: 9412964
    Abstract: [It is an object] to provide an organic electroluminescent element with which the initial durability of the element can be greatly improved while maintaining the efficiency of the element at a high level. This is an organic electroluminescent element having an anode, a hole injection layer, a first hole transport layer, a second hole transport layer, a light-emitting layer, and a cathode, in this order, with this organic electroluminescent element being such that the aforementioned hole injection layer includes a material for which the energy of the lowest unoccupied molecular orbital (LUMO) is less than ?4.0 eV and also such that the energy E1(LUMO) of the LUMO of the material included in the aforementioned first hole transport layer and the energy E2(LUMO) of the LUMO of the material included in the aforementioned second hole transport layer satisfy [the inequality] E1(LUMO)>E2(LUMO).
    Type: Grant
    Filed: June 10, 2013
    Date of Patent: August 9, 2016
    Assignee: UDC Ireland Limited
    Inventors: Wataru Sotoyama, Daisuke Inoue
  • Light-emitting element, light-emitting device, electronic device, and lighting device
    Patent number: 9412962
    Abstract: A light-emitting element having a long lifetime is provided. A light-emitting element exhibiting high emission efficiency in a high luminance region is provided. A light-emitting element includes a light-emitting layer between a pair of electrodes. The light-emitting layer contains a first organic compound, a second organic compound, and a phosphorescent compound. The first organic compound is represented by a general formula (G0). The molecular weight of the first organic compound is greater than or equal to 500 and less than or equal to 2000. The second organic compound is a compound having an electron-transport property. In the general formula (G0), Ar1 and Ar2 each independently represent a fluorenyl group, a spirofluorenyl group, or a biphenyl group, and Ar3 represents a substituent including a carbazole skeleton.
    Type: Grant
    Filed: August 1, 2013
    Date of Patent: August 9, 2016
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Takao Hamada, Hiromi Seo, Kanta Abe, Kyoko Takeda, Satoshi Seo
  • Carbazole-based compound and organic light-emitting diode comprising the same
    Patent number: 9403795
    Abstract: A carbazole-based compound of Formula 1 and an organic light-emitting diode including the same. The carbazole-based compound represented by Formula 1 has a triarylamine structure, wherein at least one of R1 to R5 is essentially a nitrogen-containing group. Thus, the carbazole-based compound has high glass transition temperature and/or high melting point, and is stable during electron injection, and when interposed between a pair of electrodes (anode and cathode) of an organic light-emitting diode, the carbazole-based compound may have excellent thermal resistance against Joule's heat generated in organic layers between the pair of electrodes, between the organic layers, or between the organic layer and the electrode during an operation of the organic light-emitting diode.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: August 2, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun-Young Lee, Yoon-Hyun Kwak, Bum-Woo Park, Dae-Yup Shin, Kwan-Hee Lee, Hye-In Jeong, Sam-Il Kho, Mie-Hwa Park
  • Compound for organic optoelectronic device, organic light emitting diode including the same, and display including the organic light emitting diode
    Patent number: 9406891
    Abstract: Disclosed are a compound for an organic optoelectronic device, an organic light emitting diode including the same, and a display device including the organic light emitting diode. A compound for an organic optoelectronic device represented by Chemical Formula 1 provides an organic optoelectronic device having an excellent life-span and improved luminous efficiency at a low driving voltage due to excellent electrochemical and thermal stability.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: August 2, 2016
    Assignees: SAMSUNG ELECTRONICS CO., LTD., CHEIL INDUSTRIES INC.
    Inventors: Yong Sik Jung, Ho Suk Kang, Hyeon Ho Choi, Sang Mo Kim, Jhun Mo Son, Kyu Young Hwang
  • Organic electroluminescent materials and devices
    Patent number: 9401482
    Abstract: Compounds comprising a 3,9-linked oligocarbazole moiety and a dibenzothiophene, dibenzofuran, dibenzoselenophene, aza-dibenzothiophene, aza-dibenzofuran, or aza-dibenzoselenophene are provided. The 3,9-linked oligocarbazole and dibenzo or aza-dibenzo moiety are separated by an aromatic spacer. The compounds may be used as non-emissive materials for phosphorescent OLEDs to provide devise having improved performance.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: July 26, 2016
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventor: Alexey Borisovich Dyatkin
  • Compound and organic light-emitting diode including the same
    Patent number: 9397300
    Abstract: Provided is an organic light-emitting diode including a compound of Formula 1 below: A detailed description of a substituent in Formula 1 above is defined as described in the detailed description.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: July 19, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Ha Park, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Eun-Young Lee, Jin-O Lim, Sang-Hyun Han, Eun-Jae Jeong, Soo-Yon Kim, Jong-Hyuk Lee
  • Light emitting device material and light emitting device
    Patent number: 9391288
    Abstract: The present invention provides an organic thin-film light emitting device having both high luminance efficiency and durability due to the use of a light emitting device material containing a compound having a specific carbazole skeleton.
    Type: Grant
    Filed: May 8, 2012
    Date of Patent: July 12, 2016
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Kazumasa Nagao, Tsuyoshi Tominaga, Jinwoo Kwon
  • Polymer compound, charge-transporting polymer, composition for organic electroluminescent element, organic electroluminescent element, organic EL display device, and organic EL light
    Patent number: 9391278
    Abstract: The present invention provides a polymer compound and charge transporting polymer having a high hole injecting and transporting performance, a composition for organic electroluminescent element containing the charge transporting polymer, and an organic electroluminescent element. The polymer compound of the present invention comprises a specific group having a benzocyclobutene ring.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: July 12, 2016
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Koichiro Iida, Tatsushi Baba, Yanjun Li
  • Organic Electroluminescent materials and devices
    Patent number: 9386657
    Abstract: Novel tricarbazole compounds are provided. By appropriately selecting the nature of the tricarbazole substituents, compounds with appropriate HOMO and LUMO energies can be obtained for use as materials in a secondary hole transport layer.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: July 5, 2016
    Assignee: Universal Display Corporation
    Inventors: Raymond Kwong, Sze Kui Lam, Alexey Dyatkin
  • Heterocyclic compound and organic light emitting device including the same
    Patent number: 9385325
    Abstract: Provided is a heterocyclic compound represented by Formula 1 below and an organic light-emitting device including the compound of Formula 1: wherein substituents in Formula 1 above are defined as in the specification.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: July 5, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Kook Kim, Seok-Hwan Hwang, Hye-Jin Jung, Jun-Ha Park, Eun-Young Lee, Jin-O Lim, Sang-Hyun Han, Eun-Jae Jeong, Soo-Yon Kim, Jong-Hyuk Lee