Patents Examined by Andrew K Bohaty
  • Patent number: 11189809
    Abstract: An organic EL device of the disclosure includes: a first electrode and a second electrode; and an organic layer provided between the first electrode and the second electrode. The organic layer includes a light-emitting layer. The organic layer includes, between the first electrode and the light-emitting layer, a first layer that contains a polycyclic aromatic hydrocarbon compound having orientation, and a second layer that contains a larger amount of nitrogen element than the first layer.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: November 30, 2021
    Assignee: SONY CORPORATION
    Inventors: Toshiaki Imai, Emiko Kambe, Hideki Kobayashi, Jiro Yamada
  • Patent number: 11165024
    Abstract: An organic light-emitting device including a first electrode, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, a hole transport region between the first electrode and the emission layer, and an electron transport region between the emission layer and the second electrode; wherein the electron transport region comprises at least one first compound, the emission layer comprises at least one second compound, the first compound is represented by Formula 1, and the second compound is represented by one selected from Formulae 2-1, 2-2, and 2-3:
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: November 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seulong Kim, Younsun Kim, Dongwoo Shin, Jungsub Lee, Jino Lim, Hyein Jeong
  • Patent number: 11145820
    Abstract: An organic optoelectronic device and a display device including the same, the organic optoelectronic device including: an anode and a cathode facing each other; a light-emitting layer positioned between the anode and the cathode; a hole transport layer positioned between the anode and the light-emitting layer; an auxiliary hole transport layer positioned between the hole transport layer and the light-emitting layer; an electron transport layer positioned between the cathode and the light-emitting layer; and an auxiliary electron transport layer positioned between the electron transport layer and the light-emitting layer, wherein the auxiliary electron transport layer includes at least one kind of first compound represented by chemical formula 1, and the auxiliary hole transport layer includes at least one kind of second compound represented by a combination of a moiety represented by chemical formula 2, a moiety represented by chemical formula 3 and a moiety represented by chemical formula 4.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: October 12, 2021
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ho-Kuk Jung, Jae-Jin Oh, Dong-Wan Ryu, Su-Jin Han, Gi-Wook Kang, Eui-Su Kang, Youn-Hwan Kim, Hun Kim, Jae-Han Park, Yong-Tak Yang, Eun-Sun Yu, Han-Ill Lee, Woo-Seok Jeong
  • Patent number: 11121323
    Abstract: The present invention relates to a compound of the formula (I), (II) or (III), to the use of the compound in an electronic device, and to an electronic device comprising a compound of the formula (I), (II) or (III). The present invention furthermore relates to a process for the preparation of a compound of the formula (I), (II) or (III) and to a formulation comprising one or more compounds of the formula (I), (II) or (III).
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: September 14, 2021
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Arne Buesing, Christof Pflumm, Teresa Mujica-Fernaud, Philipp Stoessel, Thomas Eberle, Frank Voges
  • Patent number: 11114625
    Abstract: An organic light-emitting device includes a first electrode; a second electrode; an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, and an electron transport region between the emission layer and the second electrode. The emission layer includes a first compound represented by Formula 1 and a second compound represented by any one of Formulae 2-1 to 2-5. The electron transport region includes a third compound represented by Formula 7. The organic light-emitting device may have low driving voltage, high efficiency, and a long lifespan.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: September 7, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hwan-Hee Cho, Myeong-Suk Kim, Sung-Wook Kim
  • Patent number: 11107999
    Abstract: A condensed cyclic compound represented by Formula 1-1 or Formula 1-2 and an organic light-emitting device including the same.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: August 31, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Naoyuki Ito, Seulong Kim, Younsun Kim, Dongwoo Shin, Jungsub Lee, Jino Lim
  • Patent number: 11101440
    Abstract: An organic electroluminescent device having a structure of at least an anode 2, a light-emitting layer 3, an electron transporting layer 5 and a cathode 6 layered in that order, and having a charge trap concentration reducing layer 4 in the interface between the light-emitting layer 3 and the electron transporting layer 5 can suppress performance deterioration with time in driving to prolong the lifetime thereof.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: August 24, 2021
    Assignee: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Ping Kuen Daniel Tsang, Chihaya Adachi
  • Patent number: 11094891
    Abstract: A dual host system for OLEDs that contains hole-transporting indolocarbazole and electron-transporting indolocarbazole exhibiting superior performance in the OLEDs is disclosed.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: August 17, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang Zeng, Vadim Adamovich, Chuanjun Xia, Michael S. Weaver
  • Patent number: 11075342
    Abstract: The present specification relates to a spiro structure compound and an organic light emitting device including the same.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: July 27, 2021
    Inventors: Jae Seung Ha, Jiwon Kwak, Sang Duk Suh
  • Patent number: 11059781
    Abstract: A compound is represented by a formula (1) below, in which k is an integer of 0 or more, m is an integer of 1 or more, n is an integer of 2 or more. L is a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 30 ring carbon atoms, CN is a cyano group, and D1 and D2 are each independently represented by one of a formula (2), a formula (3) and formula (3x) below, D1 and D2 being optionally mutually the same or different.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: July 13, 2021
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Satomi Tasaki, Masahiro Kawamura, Toshinari Ogiwara, Hitoshi Kuma, Kei Yoshida, Keiji Okinaka
  • Patent number: 11056655
    Abstract: Disclosed are a compound for an organic optoelectric device represented by Chemical Formula 1, an organic optoelectric device including the same, and a display device. Details of Chemical Formula 1 are the same as defined in the specification.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: July 6, 2021
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Kipo Jang, Byoungkwan Lee, Youngkwon Kim, Eun Sun Yu, Sung-Hyun Jung, Ho Kuk Jung
  • Patent number: 11050026
    Abstract: The present specification provides a compound having a spiro structure and an organic light emitting device including the same.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: June 29, 2021
    Inventors: Yongbum Cha, Jin Joo Kim, Sung Kil Hong, Sang Duk Suh
  • Patent number: 11018310
    Abstract: A highly rigid tetradentate ligand is combined with a gold(III) ion as a thermally stable tetradentate gold(III) complex. The tetradentate gold(III) complex is a tetradentate gold(III) compound that can be used as a light-emitting material which can be used for fabricated of light-emitting devices such as an organic light-emitting diode (OLED). The tetradentate gold(III) compound can be deposited as a layer or a component of a layer using a solution-process or a vacuum deposition process. The luminescent tetradentate gold(III) compounds are robust and can provide electroluminescence (EL) with a high efficiency and brightness.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: May 25, 2021
    Assignee: The University of Hong Kong
    Inventors: Vivian Wing-Wah Yam, Hok-Lai Wong, Yiu-Wing Wong, Mei-Yee Chan
  • Patent number: 11018305
    Abstract: An organic light emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a first compound, a second compound, a third compound, and a fourth compound, and the first compound to the fourth compound satisfy Equations 1 to 8: E1,LUMO?E2,LUMO+0.15 electron volts (eV)??Equation 1 E1,HOMO?E2,HOMO+0.15 eV??Equation 2 E1,T1?E4,T1??Equation 3 E2,T1?E4,T1??Equation 4 E3,T1?E4,T1??Equation 5 E3,LUMO?E2,LUMO+0.1 eV??Equation 6 ?5.6 eV?E3,HOMO??Equation 7 Egap1?Egap3.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: May 25, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hwan-Hee Cho, Myeong-Suk Kim, Sung-Wook Kim, Se-Hun Kim, Jin-Soo Hwang
  • Patent number: 11001752
    Abstract: The present specification provides a novel compound capable of greatly enhancing lifespan, efficiency, electrochemical stability and thermal stability of an organic electronic device, and an organic electronic device containing the compound in an organic compound layer.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: May 11, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Yongbum Cha, Sung Kil Hong, Seongmi Cho
  • Patent number: 10991892
    Abstract: The present invention relates to carbazole derivatives, in particular for use as triplet matrix materials in organic electroluminescent devices. The invention further relates to a method for producing the compounds according to the invention and to electronic devices comprising same.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: April 27, 2021
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Thomas Eberle, Anja Jatsch, Christof Pflumm, Jonas Valentin Kroeber
  • Patent number: 10991885
    Abstract: A compound represented by Formula 1. An organic electric element includes a first electrode, a second electrode, and an organic material layer between the first electrode and the second electrode. The organic material layer includes the compound represented by Formula 1. When the organic electric element includes the compound in the organic material layer, luminous efficiency, stability, and life span can be improved.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: April 27, 2021
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Junghwan Park, Sunhee Lee, Soungyun Mun, Daesung Kim, Hwasoon Jung, Wonsam Kim, Jihun Byun, Bumsung Lee
  • Patent number: 10985328
    Abstract: Organic compounds containing indolocarbazoles as electron donor connected with electron acceptors such aza-triphenylene or dibenzoquinoxaline that can improve the performance of phosphorescent organic light emitting devices are disclosed.
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: April 20, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Bin Ma, Lichang Zeng, Chuanjun Xia
  • Patent number: 10978650
    Abstract: A light-emitting device is provided. The device includes a first electrode, a second electrode, an emission layer between the first electrode and the second electrode, a hole transport region between the first electrode and the emission layer, and an electron transport region between the emission layer and the second electrode. The hole transport region may include a hole transport layer, which in turn includes a first perovskite compound [A1l][B1m][X1]n with a neutral defect. A hole concentration of the first perovskite compound may be from about 1.0×1016 to about 9×1018 cm?3 at about 25° C.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: April 13, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dongchan Kim, Dongkyu Seo, Byoungduk Lee, Yoonhyeung Cho, Yongchan Ju, Wonsuk Han
  • Patent number: 10978643
    Abstract: An organic light-emitting device includes a first electrode; a second electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, wherein the hole transport region includes a hole auxiliary layer and the electron transport region includes an electron auxiliary layer. The organic light-emitting device may have high efficiency and long life span characteristics.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: April 13, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jungsub Lee, Seulong Kim, Younsun Kim, Dongwoo Shin, Naoyuki Ito