Patents Examined by Jay Yang
  • Patent number: 10186666
    Abstract: A condensed-cyclic compound and an organic light-emitting device, the compound being represented by Formula 1:
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: January 22, 2019
    Assignees: SAMSUNG DISPLAY CO., LTD., Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Sung-Wook Kim, Myeong-Suk Kim, Hwan-Hee Cho, Sam-Il Kho, Seung-Soo Yoon
  • Patent number: 10181564
    Abstract: Novel iridium complexes with 5-member heteroaryl ring fused quinoline ligands are disclosed. These complexes are useful as phosphorescent emitters in OLEDs with improved emission properties.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: January 15, 2019
    Assignee: Universal Display Corporation
    Inventors: Chuanjun Xia, Chun Lin, Pierre-Luc T. Boudreault
  • Patent number: 10177318
    Abstract: Bis-Indole compounds are disclosed and used as hosts to improve the organic electroluminescent devices (OLEDs) performance.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: January 8, 2019
    Assignee: Universal Display Corporation
    Inventors: Chuanjun Xia, Zhiqiang Ji, Lichang Zeng
  • Patent number: 10170703
    Abstract: A condensed cyclic compound and an organic light-emitting device including the same, the condensed cyclic compound being represented by the following Formula 1:
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: January 1, 2019
    Assignees: SAMSUNG DISPLAY CO., LTD., Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Sung-Wook Kim, Myeong-Suk Kim, Hwan-Hee Cho, Sam-Il Kho, Seung-Soo Yoon
  • Patent number: 10158085
    Abstract: A condensed-cyclic compound represented by Formula 1A or 1B: wherein in Formulae 1A and 1B, groups, substituents, and variables are the same as defined in the specification.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: December 18, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Seungjae Lee, Byungku Kim, Youngkwon Kim, Changwoo Kim, Hyungsun Kim, Changju Shin, Eunsun Yu, Byoungki Choi, Kyuyoung Hwang
  • Patent number: 10158081
    Abstract: Provided is a charge-transporting varnish which includes a charge-transporting material including fluorine atoms, a charge-transporting material not including fluorine atoms, a dopant material comprising heteropoly acid, and an organic solvent, said charge-transporting material including fluorine atoms being a polymer of weight-average 1,000 to 200,000 molecular weight obtained by condensing a triarylamine compound, an aryl aldehyde compound including fluorine atoms, and a fluorine derivative having a carbonyl group, and said charge-transporting material not including fluorine atoms being an oligoaniline compound. The charge-transporting varnish provides a thin film which, even in a case of being used as a single layer in contact with and in between an anode and a luminescent layer, is capable of achieving an organic EL element having superior luminance characteristics and durability.
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: December 18, 2018
    Assignee: NISSAN CHEMICAL INDUSTIRES, LTD.
    Inventor: Naoki Otani
  • Patent number: 10153445
    Abstract: This invention discloses novel compounds containing indolocarbazole and silicon core structures. These compounds can be used as hosts for OLEDs.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: December 11, 2018
    Assignee: Universal Display Corporation
    Inventors: Bin Ma, Alan Deangelis, Chuanjun Xia
  • Patent number: 10153440
    Abstract: A blue phosphorescence compound is disclosed. The blue phosphorescence compound represented by Chemical Formula 1 below.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: December 11, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Seungjae Lee, Inae Shin, Hyeryoung Heo
  • Patent number: 10147891
    Abstract: Disclosed are an organic compound represented by Chemical Formula 1, an organic optoelectronic device including the organic compound, and a display device including the organic optoelectronic device.
    Type: Grant
    Filed: July 21, 2014
    Date of Patent: December 4, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Han-Ill Lee, Ji-Hun Shin, Dong-Kyu Ryu, Eun-Sun Yu, Su-Jin Han, Jin-Seok Hong
  • Patent number: 10141515
    Abstract: Discussed is a space-through charge transfer compound including a naphthalene core; an electron donor moiety selected from carbazole and phenylcarbazole; and an electron acceptor moiety selected from pyridine, diazine, triazole, and phenyl benzodiazole, wherein the electron donor moiety and the electron acceptor moiety are combined to first and eighth positions of the naphthalene core with a benzene linker, respectively.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: November 27, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Hyo-Jin Noh, Kyung-Jin Yoon, Dae-Wi Yoon, In-Ae Shin, Jun-Yun Kim
  • Patent number: 10141513
    Abstract: A polymeric light emitting substance having a polystyrene reduced number-average molecular weight of from 103 to 108 wherein this light emitting substance has in the main chain or side chain a metal complex structure showing light emission from the triplet excited state, and the substance can form a light emitting layer by industrially simple application methods such as a spin coat method, inkjet method, printing method and the like.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: November 27, 2018
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Hideyuki Ikehira, Takahiro Ueoka, Shuji Doi, Yasuyuki Kurita
  • Patent number: 10134996
    Abstract: It is an object of the present invention to provide a composite material that can be used for manufacturing a heat-resistant light-emitting element, provide a composite material that can be used for manufacturing a heat-resistant light-emitting element that can be driven with stability for a long period of time, and further, provide a composite material that can be used for manufacturing a light-emitting element that easily prevents short circuit between electrodes and uses less power. The present invention provides a composite material that has a first metal oxide skeleton including a first metal atom and an organic compound that is bound to the first metal atom by forming a chelate, where the first metal oxide exhibits an electron accepting property to the organic compound.
    Type: Grant
    Filed: August 19, 2013
    Date of Patent: November 20, 2018
    Assignee: Semicondcutor Energy Laboratory Co., Ltd.
    Inventors: Satoshi Seo, Harue Nakashima, Ryoji Nomura, Satoko Shitagaki
  • Patent number: 10134997
    Abstract: Provided are an indenopyridine-based compound and an organic light-emitting device including the same.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: November 20, 2018
    Assignees: Samsung Display Co., Ltd., Sungkyunkwan University Foundation for Corporate Collaboration
    Inventors: Soung-Wook Kim, Myeong-Suk Kim, Jae-Hong Kim, Sam-Il Kho, Seung-Soo Yoon
  • Patent number: 10128449
    Abstract: A metal complex represented by the following formula (1) is provided. In formula (1), M represents an iridium atom or a platinum atom; n1 represents 1, 2 or 3. n2 represents 0, 1 or 2; E1 to E4 represent a nitrogen atom or a carbon atom; R1 to R10 represent a hydrogen atom, an alkyl group, a cycloalkyl group, an alkoxy group, a cycloalkoxy group, an aryl group, an aryloxy group, a monovalent heterocyclic group or a halogen atom; Xa and Xb represent a direct bond, an oxygen atom, a sulfur atom, —C(?O)—, —CRXa2— or —NRXa—; A1-G1-A2 represents an anionic bidentate ligand; and G1 represents an atomic group constituting a bidentate ligand together with A1 and A2.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: November 13, 2018
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Takakazu Saito, Yusuke Ishii, Kazuei Ohuchi, Kohei Asada, Nobuhiko Akino
  • Patent number: 10103341
    Abstract: An organometallic complex having a structure represented by the following general formula (G1) is provided. (In the formula, A represents an aromatic hydrocarbon group having 6 to 25 carbon atoms. Further, Z represents any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or an aryl group having 6 to 25 carbon atoms. In addition, Ar1 represents an aryl group having 6 to 25 carbon atoms. R1 represents any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms. Further, M is a central metal and represents an element belonging to Group 9 or Group 10.
    Type: Grant
    Filed: April 3, 2015
    Date of Patent: October 16, 2018
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hideko Inoue, Satoshi Seo, Nobuharu Ohsawa
  • Patent number: 10103337
    Abstract: There is provided a novel material of formula(1) or formula(2) and the organic EL device employing the novel material as phosphorescent light emitting host of emitting layer, delayed fluorescence dopant of emitting layer, and hole blocking layer can display good performance like as lower driving voltage and power consumption, increasing efficiency and life time of organic EL device. wherein p, X, Z, R1, Ar and A are the same definition as described in the present invention.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: October 16, 2018
    Inventors: Feng-Wen Yen, Chin-Min Teng, Li-Chieh Chuang
  • Patent number: 10096780
    Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes: i) a hole transport region between the first electrode and the emission layer, and including at least one selected from a hole injection layer, a hole transport layer, an emission auxiliary layer, and an electron blocking layer, and ii) an electron transport region between the emission layer and the second electrode and including an electron transport layer, in addition to at least one selected from a hole blocking layer, an electron control layer, a buffer layer, and an electron injection layer, wherein the electron transport region includes a compound represented by Formula 1:
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: October 9, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youngkook Kim, Junha Park, Munki Sim, Eunjae Jeong, Seokhwan Hwang
  • Patent number: 10069082
    Abstract: The present application provides an organic electroluminescent compound, use thereof in organic optoelectronic device, and an organic photoelectric device comprising the same.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: September 4, 2018
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Hongyang Ren, Xiangcheng Wang, Wei He
  • Patent number: 9150536
    Abstract: The present invention relates to a novel cycloalkene derivative, and an organic electronic device using the same. The cycloalkene derivative according to the exemplary embodiment of the present invention may act as a hole injection, a hole transport, an electron injection, an electron transport, or a light emitting material in an organic light emitting diode and an organic electronic device, and in particular, may be used alone as a light emitting host or a dopant.
    Type: Grant
    Filed: January 20, 2010
    Date of Patent: October 6, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Hye-Young Jang, Jae-Chol Lee, Jae-Soon Bae, Jeung-Gon Kim, Seong-So Kim, Chang-Hwan Kim