Patents Examined by Alexander C Kollias
  • Patent number: 12378469
    Abstract: A light emitting diode includes a first electrode, a second electrode, and at least one functional layer disposed between the first electrode and containing a condensed polycyclic compound represented by Formula 1. The first electrode and the second electrode each independently contain at least one selected from Ag, Mg, Cu, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, LiF, Mo, Ti, W, In, Sn, and Zn, compounds selected thereof, and mixtures thereof.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: August 5, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chanseok Oh, Taeil Kim, Sun Young Pak, Junha Park, Jang Yeol Baek, Kyoung Sunwoo, Mun-Ki Sim, Minjung Jung
  • Patent number: 12331803
    Abstract: An asbestos-free friction material includes inorganic and/or organic and/or metallic fibers, at least one binder, at least one friction modifier or lubricant, at least one filler or abrasive and a carbonaceous material constituted by a microstructure. The microstructure is in the form of flakes or scales of micrometric planar dimensions and of nanometric thickness consisting of a substantially pure graphene mono- or multilayers, preferably pre-blended with at least part of the organic binder.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: June 17, 2025
    Assignee: ITT Italia S.r.l.
    Inventors: Agustin Sin Xicola, Luca Martinotto, Paolo Galimberti
  • Patent number: 12325721
    Abstract: The present disclosure provides an organic compound, said compound having a structure as represented by Formula (1) below, in which at least one among Q1, Q2, and Q3 is (aa), and (bb) indicates a connective bond; n1 and n2 are the same or different, and are respectively independently selected from 0, 1, 2, 3, or 4; n3 and n4 are the same or different, and are respectively independently selected from 0, 1, 2, 3, 4, or 5; n5 is selected from 0, 1, 2, or 3; R1, R2, R3, R4, and R5 are the same or different, and are respectively independently selected from deuterium, cyano, halogen, a substituted or unsubstituted alkyl having 1 to 10 carbon atoms, a substituted or unsubstituted aryl having 6 to 40 carbon atoms, a substituted or unsubstituted heteroaryl having 2 to 40 carbon atoms, or a substituted or unsubstituted arylamine having 6 to 40 carbon atoms.
    Type: Grant
    Filed: November 26, 2020
    Date of Patent: June 10, 2025
    Assignee: SHAANXI LIGHTE OPTOELECTRONICS MATERIAL CO., LTD.
    Inventors: Qiqi Nie, Tiantian Ma, Jiamei Cao
  • Patent number: 12324348
    Abstract: Provided are organometallic compounds that includes a ligand LA of Also provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: June 3, 2025
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Pierre-Luc T. Boudreault, Bert Alleyne
  • Patent number: 12281248
    Abstract: An organic light-emitting element according to the present invention employs a polycyclic aromatic derivative compound in a light-emitting layer inside the element, and further comprises a capping layer. Thus, the organic light-emitting element can be made highly efficient and can be useful for a device selected from among a flat panel display device, a flexible display device, a monochrome or white flat panel lighting device, and a monochrome or white flexible lighting device.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: April 22, 2025
    Assignees: SFC CO., LTD., HODOGAYA CHEMICAL CO., LTD.
    Inventors: Sung-hoon Joo, Byung-sun Yang, Su-jin Kim, Ji-hwan Kim, Hyeon-jun Jo, Sung-eun Choi, Bong-ki Shin, Young-hwan Park, Shuichi Hayashi, Takeshi Yamamoto, Shunji Mochizuki, Yuta Hirayama
  • Patent number: 12281128
    Abstract: Provided are multicyclic organic electroluminescent compounds having a ligand LA of Formula I shown below: Also provided are OLEDs and related consumer products that contain an organic layer having these organic electroluminescent compounds.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: April 22, 2025
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi Tsai, Alexey Borisovich Dyatkin, Walter Yeager, Pierre-Luc T. Boudreault
  • Patent number: 12274158
    Abstract: A compound including a first ligand LA having a structure of Formula I is disclosed. The compound is useful a an emitter dopants in OLEDs for enhancing the OLED performance.
    Type: Grant
    Filed: November 16, 2023
    Date of Patent: April 8, 2025
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chun Lin, Zhiqiang Ji
  • Patent number: 12274159
    Abstract: An organic light-emitting device including: a first electrode; a second electrode; and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer includes an emission layer, wherein the emission layer includes a polycyclic compound represented by Formula 1 and a host, and wherein an amount of the polycyclic compound is less than an amount of the host in the emission layer, wherein Formula 1 is as provided herein.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: April 8, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Soonok Jeon, Inkoo Kim, Sangmo Kim, Yusuke Maruyama, Won-joon Son, Hyeonho Choi
  • Patent number: 12258474
    Abstract: The present invention is directed to a functionalized elastomer comprising the reaction product of a living anionic elastomeric polymer and a polymerization terminator of formula (1) where the substituent structures are further defined.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: March 25, 2025
    Assignee: THE GOODYEAR TIRE & RUBBER COMPANY
    Inventor: Liqing Ma
  • Patent number: 12262629
    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. The organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2. The first compound may be included in an emission layer, and the second compound may be included in an electron transport region.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: March 25, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Soo Bae, Seul-Ong Kim, Dong-Hyun Kim, Sung-Wook Kim, Tsuyoshi Naijo, Hye-In Jeong, Hwan-Hee Cho
  • Patent number: 12250871
    Abstract: The present invention relates to metal complexes and electronic devices, in particular organic electroluminescent devices, containing said metal complexes.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: March 11, 2025
    Assignee: UDC IRELAND LIMITED
    Inventors: Philipp Stoessel, Falk May, Armin Auch, Charlotte Walter
  • Patent number: 12247039
    Abstract: Provided are an organometallic compound represented by Formula 1, an organic light-emitting device including the organometallic compound and an electronic apparatus including the organic light-emitting device: Formula 1 may be understood by referring to the descriptions of Formula 1 provided herein.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: March 11, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Minsik Min, Hyejin Bae, Soonok Jeon, Inkoo Kim, Jong Soo Kim, Sungho Nam, Hyeonho Choi
  • Patent number: 12240865
    Abstract: A compound comprising a first bidentate ligand LA, wherein LA comprises a structure of Formula I; wherein Z is selected from the group consisting of O, S, NR, BR, CRKRL, C?CRKRL, SiRKRL, —CRKRLCRMRN—, —SiRKRLSiRMRN—, —CRKRLO—, —SiRKRLO—, and —CRK?CRL—; wherein ring A, ring B, and ring C are each independently a 5-membered carbocyclic ring, 5-membered heterocyclic ring, 6-membered carbocyclic ring or 6-membered heterocyclic ring; wherein LA is coordinated to a metal M forming a 5-membered chelate ring; wherein M is selected from the group consisting of Ir, Pt, Pd, Ru, Rh, Os, Re, Cu, Ag, and Au; wherein RA, RB, and RC each represent mono to the maximum allowable substitution, or no substitution; wherein each R, RK, RL, RM, RN, RA, RB, and RC is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, germyl, boryl, selenyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, a
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: March 4, 2025
    Inventors: Alexey Borisovich Dyatkin, Jui-Yi Tsai, Walter Yeager, Pierre-Luc T. Boudreault, Zhiqiang Ji, Alan DeAngelis
  • Patent number: 12239010
    Abstract: A novel organometallic complex with high reliability is provided. A light-emitting element includes an EL layer between a pair of electrodes. The EL layer includes at least a light-emitting layer. The light-emitting layer contains an organometallic complex. The organometallic complex includes a first ligand and a second ligand which are coordinated to a central metal. The HOMO is distributed over the first ligand, and the LUMO is distributed over the second ligand. The first ligand and the second ligand are cyclometalated ligands.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: February 25, 2025
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Satoshi Seo, Hideko Inoue, Miki Kurihara, Yui Yamada, Tatsuyoshi Takahashi, Hiromitsu Kido
  • Patent number: 12239009
    Abstract: An organometallic compound represented by Formula 1: M(L1)n1(L2)n2??Formula 1 wherein, Formula 1, M is a transition metal, L1 is a ligand represented by Formula 2 as provided herein, L2 is a ligand represented by Formula 3 as provided herein, and n1 and n2 are each independently 1 or 2.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: February 25, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kum Hee Lee, Byungjoon Kang, Seungyeon Kwak, Sunghun Lee, Aram Jeon, Hyeonho Choi, Kyuyoung Hwang, Byoungki Choi, Whail Choi
  • Patent number: 12234249
    Abstract: Provided are a compound comprising a ligand LA of Formula I that are useful as emitters in organic light emitting devices.
    Type: Grant
    Filed: July 25, 2020
    Date of Patent: February 25, 2025
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi Tsai, Alexey Borisovich Dyatkin, Walter Yeager, Pierre-Luc T. Boudreault
  • Patent number: 12232411
    Abstract: Disclosed herein are metal compounds useful in devices, such as, for example, OLEDs.
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: February 18, 2025
    Assignee: ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY
    Inventors: Jian Li, Guijie Li
  • Patent number: 12221454
    Abstract: An organometallic compound represented by Formula 1: M(L1)n1(L2)n2??Formula 1 wherein M is a transition metal, L1 is a ligand represented by Formula 2, L2 is a monodentate ligand, a bidentate ligand, a tridentate ligand, or a tetradentate ligand, n1 is 1, 2, or 3, n2 is 0, 1, 2, 3, or 4, and Formula 2 is as described herein.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: February 11, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Bumwoo Park, Ohyun Kwon, Virendra Kumar RAI, Sungmin Kim, Sunghun Lee, Hwayoung Cho, Byoungki Choi
  • Patent number: 12209183
    Abstract: A pneumatic tire comprising a vulcanizable rubber composition which comprises: 1) 100 parts by weight of elastomer consisting of 25 to 35 phr of a styrene-butadiene rubber, 45 to 75 phr of a polybutadiene, and 5 to 15 phr of a natural rubber or synthetic polyisoprene, wherein the styrene-butadiene rubber is a functionalized and has a Tg(A) ranging from ?30 to ?10° C.; the natural rubber or synthetic polyisoprene has a Tg(B) ranging from ?60 to ?70° C.; and the polybutadiene is a cis 1,4 polybutadiene having a Tg(C) ranging from ?110 to ?90° C., wherein Tg(A)?Tg(B)?25° C., and Tg(B)?Tg(C)?25° C.; 2) 70 to 100 phr of silica; 3) 1 to 20 phr of carbon black; 4) 1 to 15 phr of rubber processing oil; and 5) 5 to 50 phr of at least one hydrocarbon resin having a Tg?20° C. and a rosin derived resin.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: January 28, 2025
    Assignee: THE GOODYEAR RUBBER & TIRE COMPANY
    Inventors: Stacey Lynne Dean-Sioss, Brad Stephen Gulas, Kate Elizabeth Dennis-Pelcher, Paul Harry Sandstrom
  • Patent number: 12202947
    Abstract: A germ-repellent plastic contains an anti-biofouling compound, and a basic plastic. The anti-biofouling compound is optionally selected from the group of a polyol, a polyether polyol, a polyol derivative, and a combination thereof; or the anti-biofouling compound is selected from the group consisting of a polyether, a poly (ethylene glycol) ether, a polysorbate, and a combination thereof; or the anti-biofouling compound is selected from the group consisting of poly (ethylene glycol) sorbitan monolaurate, poly (ethylene glycol) sorbitan monooleate, poly (ethylene glycol) sorbitol hexaoleate, ceteareth, and a combination thereof. The basic plastic is not a blend of a low-density polyethylene polymer and an ethyl vinyl acetate copolymer, a blend of a polypropylene polymer and an ethyl vinyl acetate copolymer, a blend of polyolefin elastomer polymers and a polyvinyl chloride polymer. A method for manufacturing such a germ-repellent plastic and a germ-repellent plastic item are also described.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: January 21, 2025
    Assignee: Nano and Advanced Materials Institute Limited
    Inventors: Wenjun Meng, Sau Kuen Connie Kwok, Yueying Chen, Mingyu Zhang