Patents Examined by Jay Yang
  • Patent number: 10377740
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device including the same.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: August 13, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Kichul Koo, Jungi Jang, Dong Uk Heo, Miyeon Han, Min Woo Jung
  • Patent number: 10361374
    Abstract: An amine compound represented by Formula 1, and an organic light emitting device including the same: wherein X may be selected from the compounds represented by Formula 2: When the amine compound represented by Formula 1 is included in the hole transport region of an organic light emitting device, the organic light emitting device may achieve long lifespan and high efficiency.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: July 23, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hiroaki Itoi
  • Patent number: 10361380
    Abstract: A heterocyclic compound represented by Formula 1 below, and an organic light-emitting device including the heterocyclic compound: wherein X1 and R1 to R10 are defined as in the specification.
    Type: Grant
    Filed: September 14, 2013
    Date of Patent: July 23, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: So-Yeon Kim, Yoon-Hyun Kwak, Bum-Woo Park, Sun-Young Lee, Jong-Won Choi, Wha-Il Choi, Ji-Youn Lee
  • Patent number: 10344030
    Abstract: The present application provides a hetero-cyclic compound which may significantly improve the service life, efficiency, electrochemical stability, and thermal stability of an organic light emitting device, and an organic light emitting device in which the hetero-cyclic compound is contained in an organic compound layer.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: July 9, 2019
    Assignee: HEESUNG MATERIAL LTD.
    Inventors: Jung-Hyun Lee, Kee-Yong Kim, Yong-Hoon An, Jin-Seok Choi, Dae-Hyuk Choi, Sung-Jin Eum, Joo-Dong Lee
  • Patent number: 10347845
    Abstract: The present specification provides a nitrogen-containing condensed cyclic compound of chemical formula 1 and an organic light emitting device comprising the same.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: July 9, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Minjun Kim, Hyok Joon Kwon, Wanpyo Hong, Kongkyeom Kim, Jungha Lee
  • Patent number: 10333074
    Abstract: An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an organic layer including an emission layer between the first electrode and the second electrode, wherein the organic layer includes a first compound and a second compound, the first compound is selected from compounds represented by Formula 1, and the second compound is selected from compounds represented by Formula 2: An organic light-emitting device including both compounds may exhibit high heat resistance and high durability, as well as a long lifespan and high efficiency.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: June 25, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jino Lim, Seulong Kim, Younsun Kim, Dongwoo Shin, Jungsub Lee, Naoyuki Ito
  • Patent number: 10333085
    Abstract: Provided are a polycyclic compound and an organic electroluminescence device including the same. The polycyclic compound according to an exemplary embodiment of the present disclosure is represented by the following formula 1. In Formula 1, X is O, SiR?R?, S, or BAr1. At least one of R1 to R8 is an aryl amine-containing electron donor. When X is O, SiR?R?, or S, the aryl amine-containing electron donor further includes a Si.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: June 25, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hiromi Nakano, Nobutaka Akashi
  • Patent number: 10305046
    Abstract: A heterocyclic compound and an organic light-emitting device including the same, the compound being represented by Formula 1: A1-(A2)a21,??<Formula 1> wherein, in Formula 1, A1 is a group represented by Formula 2, A2 is a group represented by Formula 3, and a21 is an integer of 1 to 11, wherein, when a21 is 2 to 11, two or more of A2 are identical to or different from each other:
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: May 28, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Munki Sim, Youngkook Kim, Junha Park, Hyoyoung Lee, Eunjae Jeong, Seokhwan Hwang
  • Patent number: 10290820
    Abstract: An amine-based compound is represented by Formula 1. Where, in Formula 1, at least one of R1, R3, R8, and R10 is a group represented by Formula 2. Where, in Formula 2, a1 is selected from 0, 1, 2 and 3. The remaining substituents of Formulae 1 and 2 are as described herein. An organic light-emitting device (OLED) includes the amine-based compound represented by Formula 1.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: May 14, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mi-Eun Jun, Sang-Hyun Han, Young-Kook Kim, Seok-Hwan Hwang, Sam-Il Kho
  • Patent number: 10290819
    Abstract: The present invention relates to bisimidazolium salts, to novel mono- and biscarbenes derived therefrom, and to metal complexes which contain corresponding mono- and biscarbenes as ligands, to a process for the preparation of the bisimidazolium salts according to the invention, the mono- and biscarbenes according to the invention and to the metal complexes according to the invention, and to the use of the bisimidazolium salts according to the invention, the mono- and biscarbenes according to the invention and to the use of the metal complexes according to the invention.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: May 14, 2019
    Assignee: Merck Patent GmbH
    Inventors: Doris Kunz, Verena Gierz
  • Patent number: 10283717
    Abstract: An organic electroluminescent device including: an anode, a cathode, an emitting layer formed of an organic compound and interposed between the cathode and the anode, and two or more layers provided in a hole-injecting/hole-transporting region between the anode and the emitting layer; of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is in contact with the emitting layer containing a compound represented by the formula (1); and of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is interposed between the anode and the layer which is in contact with the emitting layer containing an amine derivative represented by the formula (2).
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: May 7, 2019
    Assignees: IDEMITSU KOSAN CO., LTD., JOLED INC.
    Inventors: Masahiro Kawamura, Emiko Kambe, Akifumi Nakamura, Yasunori Kijima, Tadahiko Yoshinaga, Shigeyuki Matsunami
  • Patent number: 10273404
    Abstract: The invention relates to an organic electroluminescent device comprising an anode and a cathode and at least one electroluminescent layer arranged between the anode and cathode which comprises at least one compound of the formula (I) and at least one compound of the formula (II). The invention furthermore relates to the production of an organic electroluminescent device by means of a sublimation process and/or by application from solution and to a mixture comprising at least one compound of the formula (I) and at least one compound of the formula (II).
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: April 30, 2019
    Assignee: Merck Patent GmbH
    Inventors: Arne Buesing, Holger Heil, Christof Pflumm, Joachim Kaiser
  • Patent number: 10259996
    Abstract: A borole compound is represented by Formula 1: X11—(R11)b11. X11, R11, and b11 are as defined herein. An organic light-emitting device includes the borole compound. The organic light-emitting device includes a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer. The organic layer includes the borole compound.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: April 16, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sunwoo Kang, Sangho Jeon, Youngmi Cho
  • Patent number: 10263192
    Abstract: An organic electroluminescent device including: an anode, a cathode, an emitting layer formed of an organic compound and interposed between the cathode and the anode, and two or more layers provided in a hole-injecting/hole-transporting region between the anode and the emitting layer; of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is in contact with the emitting layer containing a compound represented by the formula (1); and of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is interposed between the anode and the layer which is in contact with the emitting layer containing an amine derivative represented by the formula (2).
    Type: Grant
    Filed: June 21, 2007
    Date of Patent: April 16, 2019
    Assignees: IDEMITSU KOSAN CO., LTD., JOLED Inc.
    Inventors: Masahiro Kawamura, Emiko Kambe, Akifumi Nakamura, Yasunori Kijima, Tadahiko Yoshinaga, Shigeyuki Matsunami
  • Patent number: 10253251
    Abstract: A system and process for controlling electronic interactions between two or more interactable materials.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: April 9, 2019
    Assignee: RAMOT AT TEL-AVIV UNIVERSITY LTD.
    Inventors: Bogdan Belgorodsky, Eyal Drug, Ludmila Fadeev, Netta Hendler, Elad Mentovich, Shachar Richter, Michael Gozin
  • Patent number: 10256416
    Abstract: A compound is represented by Formula 1, 2, or 3, and an organic light-emitting device includes the compound. The organic light-emitting device includes a first electrode, a second electrode, and an organic layer. The organic layer includes the compound represented by Formula 1, 2 or 3. A flat display apparatus includes the organic light-emitting device.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: April 9, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun-Young Lee, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Jun-Ha Park, Jong-Woo Kim, Jin-O Lim, Sang-Hyun Han, Eun-Jae Jeong, Soo-Yon Kim, Jong-Hyuk Lee
  • Patent number: 10236458
    Abstract: The present invention includes high triplet hosts with a macrocyclic structure that may provide high device quantum efficiency in OLEDs.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: March 19, 2019
    Assignee: Universal Display Corporation
    Inventors: Raymond Kwong, Siu Tung Lam, Chi Hang Lee
  • Patent number: 10224490
    Abstract: An object is to provide a novel heterocyclic compound which can be used for a light-emitting element, as a host material of a light-emitting layer in which a light-emitting substance is dispersed. Other objects are to provide a light-emitting element having low driving voltage, a light-emitting element having high current efficiency, and a light-emitting element having a long lifetime. Provided are a light-emitting element including a compound in which a dibenzo[f,h]quinoxaline ring and a hole-transport skeleton are bonded through an arylene group, and a light-emitting device, an electronic device, and a lighting device each using this light-emitting element. The heterocyclic compound represented by General Formula (G1) below is provided.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: March 5, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hiroshi Kadoma, Nobuharu Ohsawa, Satoshi Seo
  • Patent number: 10205105
    Abstract: The present invention includes novel borazarophenanthrene compounds, which may be used as hosts for phosphorescent emitters, charge transporters or emitters in OLEDs.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: February 12, 2019
    Assignee: Universal Display Corporation
    Inventors: Raymond Kwong, Kit Yee Tsang
  • Patent number: 10186668
    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, power consumption, increasing efficiency and life time. wherein m, X1 to X4 and R1 to R6 are the same definition as described in the present invention.
    Type: Grant
    Filed: March 4, 2017
    Date of Patent: January 22, 2019
    Inventors: Feng-Wen Yen, Cheng-Hao Chang