Patents Examined by Andrew K Bohaty
  • Patent number: 10672995
    Abstract: An organometallic compound represented by Formula 1: Ir(L1)n(L2)(3-n)??Formula 1 wherein in Formula 1, L1, L2, and n are the same as described in the specification.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: June 2, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Rupasree Ragini Das, Kangmun Lee, Changho Noh, Hyejin Bae, Virendra Kumar Rai, Dmitry Kravchuk
  • Patent number: 10665792
    Abstract: The invention relates to an organic molecule, especially for use in optoelectronic components.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: May 26, 2020
    Assignee: CYNORA GMBH
    Inventors: Larissa Bergmann, Daniel Zink
  • Patent number: 10665787
    Abstract: The invention relates to arylamino compounds and to the use thereof in electronic devices, for example organic electroluminescent devices. The invention furthermore relates to electronic devices comprising one or more of the said compounds, for example as hole-transport materials in a corresponding functional layer of the device. The invention furthermore relates to a process for the preparation of the said compounds, and to a formulation comprising one or more of the said compounds.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: May 26, 2020
    Assignee: Merck Patent GmbH
    Inventors: Philipp Stoessel, Frank Voges, Arne Buesing, Christof Pflumm, Teresa Mujica-Fernaud, Christian Wirges
  • Patent number: 10665809
    Abstract: An organic light emitting diode, including a first electrode; a second electrode facing the first electrode, the second electrode including magnesium; an emission layer between the first electrode and the second electrode; and an electron injection layer between the second electrode and the emission layer, the electron injection layer including a dipole material including a first component and a second component having different polarities, the dipole material including halide, and a content of the magnesium included in the second electrode being in a range of from 10 to 40 volume %.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: May 26, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Chan Kim, Won Jong Kim, Eung Do Kim, Dong Kyu Seo, Da Hea Im, Sang Hoon Yim, Chang Woong Chu
  • Patent number: 10644250
    Abstract: A light-emitting element with high emission efficiency and high reliability is provided. The light-emitting element includes a light-emitting layer containing a first organic compound, a second organic compound, and a guest material. The first organic compound has a nitrogen-containing six-membered heteroaromatic skeleton. In the light-emitting layer, the weight ratio of an organic compound having a nitrogen-containing five-membered heterocyclic skeleton with an NH group, a secondary amine skeleton with an NH group, or a primary amine skeleton with an NH group to the first organic compound is less than or equal to 0.03, or alternatively, the weight ratio of the organic compound having a nitrogen-containing five-membered heterocyclic skeleton with an NH group, a secondary amine skeleton with an NH group, or a primary amine skeleton with an NH group to the second organic compound is less than or equal to 0.01.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: May 5, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Takeyoshi Watabe, Satoko Shitagaki, Kunihiko Suzuki, Harue Osaka, Satomi Mitsumori, Satoshi Seo
  • Patent number: 10636983
    Abstract: Imidazophenanthridine ligands and metal complexes are provided. The compounds exhibit improved stability through a linking substitution that links a nitrogen bonded carbon of an imidizole ring to a carbon on the adjacent fused aryl ring. The compounds may be used in organic light emitting devices, particularly as emissive dopants, providing devices with improved efficiency, stability, and manufacturing. In particular, the compounds provided herein may be used in blue devices having high efficiency.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: April 28, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jason Brooks, Geza Szigethy, Glenn Morello, Jun Deng, Peter I. Djurovich, Hsiao-Fan Chen
  • Patent number: 10636977
    Abstract: A light emitting material is represented by the following formula (1), the organic EL device employing the material as delayed fluorescence emitting dopant or fluorescence emitting dopant can display good performance like as lower driving voltage and power consumption, especially doping with the host (H1 to H4) and the second host (SH1 to SH4) can increasing efficiency and half-life time. wherein G represents the following formula (2): L, m, n, p, R1 to R4, Ar and X are the same definition as described in the present invention.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: April 28, 2020
    Inventors: Feng-Wen Yen, Cheng-Hao Chang
  • Patent number: 10629819
    Abstract: The objective of the present invention is to provide: a compound capable of ensuring high light-emitting efficiency and low driving voltage of an element, and increasing the lifespan thereof; an organic electrical element using compound; and an electronic device comprising the same.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: April 21, 2020
    Assignee: Duk San Neolux Co., Ltd
    Inventors: Jae Wan Jang, Ho Young Jung, Seul-gi Kim, Won Sam Kim, Ji Hun Byun, Jung Hwan Park, Sun Phil Hwang
  • Patent number: 10629825
    Abstract: An 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, wherein the organic layer includes a first compound represented by Formula 1 and a second compound represented by one of Formulae 2 and 3:
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: April 21, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hwan-Hee Cho, Myeong-Suk Kim, Sung-Wook Kim, Se-Hun Kim
  • Patent number: 10622576
    Abstract: An organic light-emitting diode (OLED) and a white OLED are provided. The OLED sequentially includes an anode, an emission layer, an electron transport layer, and a cathode. The emission layer includes a triplet-triplet annihilation (TTA) material and a donor material. The doubled triplet energy of the TTA material is greater than the singlet energy of the TTA material. The donor material is disposed between the anode and the TTA material and has a second singlet energy and a second triplet energy. A sensitizer is doped in the emission layer or formed between the TTA material and the donor material when a voltage is applied. The sensitizer has a third singlet energy and a third triplet energy. The third singlet energy and the third triplet energy are both smaller than the second singlet energy.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: April 14, 2020
    Assignee: Industrial Technology Research Institute
    Inventors: Yu-Jung Peng, Jiun-Haw Lee, Po-Chen Tseng, Bo-Yen Lin, Chi-Feng Lin, Tien-Lung Chiu, Ming-Zer Lee
  • Patent number: 10600967
    Abstract: The present invention relates to novel light-emitting materials. These materials comprise a side chain that includes a fully deuterated or partially deuterated alkyl chain. This new side chain could improve device lifetime compared to nondeuterated side chains.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: March 24, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun Xia, Chun Lin
  • Patent number: 10600975
    Abstract: A compound including a ligand having the formula: or is disclosed. In these formulas, each R1, R2, and R3 is independently selected from hydrogen, alkyl, and aryl; at least one of R1 and R2 is a branched alkyl containing at least 4 carbon atoms, where the branching occurs at a position further than the benzylic position; where R1 and R3 are mono-, di-, tri-, tetra-, or no substitutions; and R2 is mono-, di-, or no substitutions. Heteroleptic iridium complexes including such compounds, and devices including such compounds are also disclosed.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: March 24, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Raymond Kwong, Bin Ma, Chuanjun Xia, Bert Alleyne, Jason Brooks
  • Patent number: 10597403
    Abstract: A condensed cyclic compound represented by Formula (1): wherein, in Formula (1), groups and variables are the same as described in the specification.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: March 24, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Fumiaki Kato, Satoshi Inayama, Norihito Ishii, Katsunori Shibata, Mitsunori Ito
  • Patent number: 10590080
    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: June 26, 2014
    Date of Patent: March 17, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Satomi Tasaki, Masahiro Kawamura, Toshinari Ogiwara, Hitoshi Kuma, Kei Yoshida, Keiji Okinaka
  • Patent number: 10593891
    Abstract: A condensed cyclic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: March 17, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Yeonsook Chung, Sangmo Kim, Hyunjung Kim, Soonok Jeon, Yongsik Jung, Miyoung Chae, Dalho Huh, Hosuk Kang, Jongsoo Kim
  • Patent number: 10586927
    Abstract: A material for an organic electroluminescent device is represented by the following General Formula (1). The organic electroluminescent device may be driven at a low voltage and may have high emission efficiency and long life.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: March 10, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hiroaki Itoi
  • Patent number: 10580987
    Abstract: A method of patterning an organic device includes depositing a first organic functional layer over a device substrate to form a first intermediate structure, the first organic functional layer having a first function such as hole transport or electron transport. The first intermediate structure is coated with a fluoropolymer and treated in a processing agent comprising a fluorinated solvent in which the fluoropolymer is soluble to form a processed intermediate structure. A second organic functional layer is deposited over at least a portion of the first organic functional layer, the second organic functional layer also having the first function.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: March 3, 2020
    Assignee: Orthogonal, Inc.
    Inventors: John Andrew DeFranco, Terrence Robert O'Toole
  • Patent number: 10580999
    Abstract: A condensed cyclic compound represented by Formula 1 and an organic light-emitting device including the same.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: March 3, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Naoyuki Ito, Seulong Kim, Younsun Kim, Dongwoo Shin, Jungsub Lee, Jino Lim
  • Patent number: 10573821
    Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: February 25, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • Patent number: 10559757
    Abstract: A compound represented by (Tr)n-Z is useful as a host material for delayed fluorescent materials. Tr represents a substituted or unsubstituted triphenylenyl group, and plural Tr's existing in the general formula (1) may be the same as or different from each other. Z represents a carbonyl group or a substituted or unsubstituted, n-valent aromatic hydrocarbon group. n represents an integer of 2 to 6, but when Z is a carbonyl group, n is 2.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: February 11, 2020
    Assignee: KYULUX, INC.
    Inventors: Hirokazu Kuwabara, Takumi Shibata, Takehiro Takahashi, William John Potscavage, Jr., Chihaya Adachi