Patents Examined by Dylan C Kershner
  • Patent number: 10505116
    Abstract: [Disclosed is] a high-efficiency and durable organic electroluminescent element having a low drive voltage, being an organic electroluminescent element having on a substrate a pair of electrodes comprising an anode and a cathode and at least one organic layer including a light-emitting layer between these electrodes, with this organic electroluminescent element containing a specific compound having a dibenzothiophene or dibenzofuran structure and a phenanthrene structure in at least one layer out of the aforementioned at least one organic layer. [Also disclosed is] this specific compound.
    Type: Grant
    Filed: July 20, 2011
    Date of Patent: December 10, 2019
    Assignee: UDC IRELAND LIMITED
    Inventors: Kousuke Watanabe, Wataru Sotoyama
  • Patent number: 10497885
    Abstract: A light emitting device including an anode, a cathode, a light emitting layer disposed between the anode and the cathode, and a hole transporting layer disposed between the anode and the light emitting layer is described. The light emitting layer is a layer containing an iridium complex (A) and a heterocyclic compound constituted of typical elements (B), the hole transporting layer is a layer containing a crosslinked body of a crosslinkable material. The molecular weight (MA) of the iridium complex (A) and the molecular weight (MB) of the heterocyclic compound (B) satisfy the formula 2700?MA+MB?10000 (M1-1) and the formula 0.35?MA/MB?3.00 (M2-1).
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: December 3, 2019
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toshiaki Sasada, Makoto Anryu, Takakazu Saito, Rei Okamura
  • Patent number: 10457699
    Abstract: A compound that has the structure according to Formula M(LA)x(LB)y(LC)z: wherein ligand LA is ligand LB is and ligand LC is and devices and formulations containing these compounds are disclosed. In Formula M(LA)x(LB)y(LC)z: M is a metal having an atomic number greater than 40; x is 1 or 2; x+y+z is the oxidation state of the metal M; X1-X4 and A1-A8 are C or N; at least one of A1-A8 is N; X is O, S, or Se; two adjacent RB form a six-member aromatic ring E fused to ring B; wherein ring E can be substituted by RE; each RA-RE and R1-R4 is independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof.
    Type: Grant
    Filed: May 2, 2014
    Date of Patent: October 29, 2019
    Assignee: Universal Display Corporation
    Inventors: Pierre-Luc T. Boudreault, Vadim Adamovich, Hitoshi Yamamoto, Harvey Wendt, Chuanjun Xia
  • Patent number: 10431749
    Abstract: Disclosed is an organic electroluminescent element which is excellent with respect to luminous efficiency and driving voltage and rarely undergoes initial luminance drop. Specifically disclosed is an organic electroluminescent element which comprises, on a substrate, a pair of electrodes composed of an anode and a cathode and a light-emitting layer arranged between the electrodes, and additionally comprises at least one organic layer arranged between the light-emitting layer and the cathode, where in the light-emitting layer contains, for example, a compound (A-1), and the at least one layer arranged between the light-emitting layer and the cathode contains, for example, a compound (e-4).
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: October 1, 2019
    Assignee: UDC Ireland Limited
    Inventors: Kuniyuki Kaminaga, Toshihiro Ise
  • Patent number: 10428268
    Abstract: A light emitting organic thin film including at least one compound represented by Formula (PQ-1) and at least one compound represented by Formula (BN-1). In Formula (PQ-1), each of Ra, Rb and Rc independently represents a hydrogen atom or an alkyl group, wherein any one of Ra, Rb and Rc represents a hydrogen atom and the remaining two represent an alkyl group. Each of R1 to R5 independently represents a hydrogen atom, an alkyl group, an aryl group, a fluorine atom or a cyano group. Each of Rx and Ry independently represents an alkyl group or a phenyl group. In Formula (BN-1), Ar1 represents an arylene group that may have a substituent Z. Ar2 represents a condensed hydrocarbyl group that may have a substituent Z. Each of R101 to R113 independently represents a phenyl group, or the like.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: October 1, 2019
    Assignee: UDC Ireland Limited
    Inventors: Toshihiro Ise, Tetsu Kitamura, Toru Watanabe
  • Patent number: 10367154
    Abstract: A metal iridium complexes, devices containing the same, and formulations including the same described.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: July 30, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun Xia, Bert Alleyne
  • Patent number: 10246441
    Abstract: An aromatic amine derivative including a substituent A and a substituent B each represented by the formula (1) or (2) and having an arylene group bound to a carbazole structure, in which the substituent A and the substituent B include groups different from each other in the position at which the arylene group is bonded to the carbazole structure, and the substituent A and the substituent B are bonded to the same nitrogen atom or different nitrogen atoms in the molecule; an organic electroluminescent device including an organic thin-film layer formed of one or more layers including at least a light emitting layer, the organic thin-film layer being interposed between a cathode and a anode, in which at least one layer of the organic thin-film layer contains the aromatic amine derivative, and the molecules are rarely crystallized.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: April 2, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Tomoki Kato
  • Patent number: 10211413
    Abstract: Novel heteroleptic iridium complexes are disclosed. The complexes contain a phenyl pyridine ligand and another ligand containing a dibenzofuran, dibenzothiophene, dibenzoselenophene, or carbazole linked to an imidazole or benzimidazole fragment. These complexes are useful materials when incorporated into OLED devices.
    Type: Grant
    Filed: January 17, 2012
    Date of Patent: February 19, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Bin Ma, Zeinab M. Elshenawy, Chuanjun Xia
  • Patent number: 10199581
    Abstract: A compound having an ancillary ligand L1 having the formula: Formula I is disclosed. The ligand L1 is coordinated to a metal M having an atomic number greater than 40, and two adjacent substituents are optionally joined to form into a ring. Such compound is suitable for use as emitters in organic light emitting devices.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: February 5, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Pierre-Luc T. Boudreault, Alexey Dyatkin, David Zenan Li, Scott Joseph, Chuanjun Xia, Hitoshi Yamamoto, Michael S. Weaver, Bert Alleyne, James Fiordeliso
  • Patent number: 10190043
    Abstract: A composition is provided, including one or more quantum dots and at least one organic emitter. Further, a formulation including the composition, a use of the formulation and a device comprising the composition or formulation is provided.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: January 29, 2019
    Assignee: Merck Patent GmbH
    Inventors: Junyou Pan, Niels Schulte, Thomas Eberle, Volker Hilarius
  • Patent number: 10158089
    Abstract: Novel heteroleptic iridium complexes are described. These iridium compounds contain alkyl substituted phenylpyridine ligands, which provide these compounds with beneficial properties when the iridium complexes are incorporated into OLED devices.
    Type: Grant
    Filed: August 23, 2013
    Date of Patent: December 18, 2018
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Bin Ma, Alan DeAngelis, Chuanjun Xia, Bert Alleyne
  • Patent number: 10147889
    Abstract: A biscarbazole derivative having a specific group, which is represented by formula (1): and an organic electroluminescence device in which a plurality of organic thin-film layers including a light emitting layer are disposed between a cathode and an anode, and at least one of the organic thin-film layers include the biscarbazole derivative. The organic electroluminescence device exhibits high emission efficiency and has a long lifetime. In formula (1), each of A1 and A2 independently represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms; each of Y1 to Y16 independently represents C(R) or a nitrogen atom; each of R groups independently represents a hydrogen atom, etc.; and each of L1 and L2 independently represents a single bond, etc.; provided that at least one of A1, A2 and R represents a substituted or unsubstituted fluoranthenyl group, etc.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: December 4, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tetsuya Inoue, Mitsunori Ito, Kumiko Gorai, Kazuki Nishimura, Kiyoshi Ikeda
  • Patent number: 10147888
    Abstract: A biscarbazole derivative having a specific group, which is represented by formula (1): and an organic electroluminescence device in which a plurality of organic thin-film layers including a light emitting layer are disposed between a cathode and an anode, and at least one of the organic thin-film layers include the biscarbazole derivative. The organic electroluminescence device exhibits high emission efficiency and has a long lifetime. In formula (1), each of A1 and A2 independently represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms; each of Y1 to Y16 independently represents C(R) or a nitrogen atom; each of R groups independently represents a hydrogen atom, etc.; and each of L1 and L2 independently represents a single bond, etc.; provided that at least one of A1, A2 and R represents a substituted or unsubstituted fluoranthenyl group, etc.
    Type: Grant
    Filed: February 6, 2012
    Date of Patent: December 4, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tetsuya Inoue, Mitsunori Ito, Kumiko Hibino, Kazuki Nishimura, Kiyoshi Ikeda
  • Patent number: 10008673
    Abstract: The present invention relates to compounds of the formula (1) or (2) and to the use thereof in electronic devices, and to electronic devices which comprise these compounds. The invention furthermore relates to the preparation of the compounds of the formula (1) or (2) and to formulations comprising one or more compounds of the formula (1) or (2).
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: June 26, 2018
    Assignee: Merck Patent GmbH
    Inventors: Constanze Brocke, Christof Pflumm, Amir Hossain Parham, Rocco Fortte
  • Patent number: 9991450
    Abstract: A spiro[cyclopenta[def]triphenylene-4,9?-fluorene] compound having a high triplet energy level and a high glass transition temperature further providing an excellent organic light-emitting device including the compound to achieve a high luminous efficiency and a low driving voltage.
    Type: Grant
    Filed: October 11, 2011
    Date of Patent: June 5, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Chiaki Nishiura, Jun Kamatani, Naoki Yamada, Kenichi Ikari
  • Patent number: 9978958
    Abstract: Phosphorescent materials are provided, where the materials comprise a coordination compound having at least one ligand L3 having Formula (I): wherein A and B are each independently a 5-membered or 6-membered carbocyclic or heterocyclic ring; wherein RA, RB, RC, and RD each represent mono, di, tri, tetra substitutions, or no substitution; wherein Z1, Z2, Z3, Z4, Z5, Z6, Z7, and Z8 are each selected from N or C; wherein at least one of Z1, Z2, Z3, Z4, Z5, Z6, Z7, and Z8 is N; wherein one of Z1, Z2, Z3, and Z4 is C that is bonded to N of A; wherein Z is selected from the group consisting of BR, NR, PR, O, S, Se, C?O, S?O, SO2, CRR?, SiRR?, and GeRR?; wherein R, R?, RA, RB, RC, and RD are described herein; wherein L3 is coordinated to a metal M1; and wherein L3 may be linked with other ligands to comprise a tridentate, tetradentate, pentadentate, or hexadentate ligand. Devices, such as organic light emitting devices, comprising such compounds are also provided.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: May 22, 2018
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun Xia, Chun Lin, Gregg Kottas, Zeinab Elshenawy
  • Patent number: 9972784
    Abstract: The present invention provides a new compound and an organic electronic diode using the same. The compound according to the present invention may be used as hole injection, hole transport, electron injection and transport, and light emitting materials in an organic light emitting diode and an organic electronic diode, and the organic electronic diode according to the present invention exhibits excellent efficiency, driving voltage, and life-span properties.
    Type: Grant
    Filed: June 12, 2012
    Date of Patent: May 15, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Changhwan Shin, Kongkyeom Kim, Hyok Joon Kwon, Dong Hoon Lee, Jinyoung Lee, Boonjae Jang, Jungi Jang, Hyungjin Lee
  • Patent number: 9966544
    Abstract: A phosphorescent metal complex is provided, which comprises a metallic central atom M and at least one ligand coordinated by the metallic central atom M, wherein the one metallic central atom M and the ligand form a six-membered metallacyclic ring. Additionally specified are a radiation-emitting component comprising a metal complex, and a process for preparing the metal complex.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: May 8, 2018
    Assignee: OSRAM OLED GmbH
    Inventors: Jürgen Adler, Andreas Kanitz, Günter Schmid, Oksana Freydenzon, Anna Maltenberger
  • Patent number: 9954180
    Abstract: Novel organic compounds comprising a bicarbazole core are provided. In particular, the compounds has a 3,3?-bicarbazole core substituted at the 9-position with a triazine or pyrimidine. The compounds may be used in organic light emitting devices to provide devices having improved efficiency and improved lifetime.
    Type: Grant
    Filed: August 20, 2010
    Date of Patent: April 24, 2018
    Assignee: Universal Display Corporation
    Inventors: Chuanjun Xia, Raymond Kwong, Ken-Tsung Wong, Ming-Cheng Kuo