Patents Examined by Robert S. Loewe
  • Organic compound and organic electroluminescent device comprising the same
    Patent number: 11472800
    Abstract: The present invention relates to a novel compound and an organic electroluminescent device including the same, and the compound according to the present invention is used in an organic material layer of an organic electroluminescent device, preferably an electron transport layer or a hole blocking layer, and may increase luminous efficiency, driving voltage and lifespan of the organic electroluminescent device.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: October 18, 2022
    Assignee: DOOSAN SOLUS CO., LTD.
    Inventors: Yong Hwan Lee, Jae Yi Sim
  • Electroluminescent compound and electroluminescent device including the same
    Patent number: 11469378
    Abstract: The present invention provides an electroluminescent compound of one of following formulas Formula 1 and Formula 2. Another aspect of the invention is an electroluminescent device including a first electrode; a second electrode facing the first electrode; and at least one organic material layer between the first and second electrodes, wherein one or more of the at least one organic material layer includes the electroluminescent compound.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: October 11, 2022
    Assignees: LG DISPLAY CO., LTD., PNH TECH
    Inventors: Seon-Keun Yoo, Hee-Jun Park, Jeong-Dae Seo, Seo-Yong Hyun, Ha-Yeon Kim, Seok-Keun Yoon, Sun-Gi Kim, In-Ho Lee
  • Process for obtaining a textured glass substrate coated with an antireflective coating of sol-gel type
    Patent number: 11465934
    Abstract: A process for obtaining a material including a textured glass substrate coated, on at least one of its textured faces, with an antireflective coating of sol-gel type based on porous silica, includes a stage of application, to the at least one textured face of the substrate, of a solution containing at least one silica precursor and at least one pore-forming agent, then a heat treatment stage targeted at consolidating the antireflective coating. Before the application stage, the glass substrate is subjected to a preheating stage, so that the at least one textured face intended to be coated with the antireflective coating has a temperature within a range extending from 30° C. to 100° C. immediately before the application stage.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: October 11, 2022
    Assignee: SAINT-GOBAIN GLASS FRANCE
    Inventors: Guillaume Lequippe, Xiaolin Pardal, Servane Haller
  • Organic light-emitting device and apparatus including the same
    Patent number: 11462703
    Abstract: An organic light-emitting device and an apparatus including the organic light-emitting device.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: October 4, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jungsub Lee, Minje Kim, Hyojeong Kim, Jiyoung Lee, Kunwook Cho
  • Compound, light-emitting material, and organic light-emitting display panel
    Patent number: 11459344
    Abstract: The present disclosure describes a compound, a light-emitting material, an organic light-emitting display panel and an organic light-emitting display device. The compound has the structure of Formula I. The light-emitting material comprises any one or a combination of at least two of the compounds. The organic light-emitting display panel comprises an anode and a cathode disposed opposite to each other, and an organic layer disposed between the anode and the cathode. The material of the organic layer comprises any one or a combination of at least two of the compounds. The organic light-emitting display device comprises the organic light-emitting display panel. The compound has an energy level difference between a singlet and a triplet states as ?Est?0.30 eV, and, when used in an organic light-emitting display panel, can further increase the luminous efficiency of the device.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: October 4, 2022
    Assignees: WUHAN TIANMA MICROELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Wei Gao, Lei Zhang, Wenpeng Dai, Jinghua Niu, Dongyang Deng
  • Organometallic compound, organic light-emitting device including the same, and diagnostic composition including the organometallic compound
    Patent number: 11459348
    Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, R1 to R12 and R16 are the same as described in the specification.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: October 4, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yoonhyun Kwak, Kum Hee Lee, Whail Choi, Kyuyoung Hwang, Seungyeon Kwak, Sangdong Kim, Sunghun Lee, Kyuhyun Im, Yongsuk Cho, Jongwon Choi
  • Organic light emitting diode and organic light emitting device having the same
    Patent number: 11456427
    Abstract: An organic light emitting diode including at least one emitting material layer, which includes a host and a dopant and at least one exciton energy control layer disposed adjacently to the at least one emitting material layer and an organic light emitting device having the same is disclosed. The at least one exciton energy control layer includes an organic compound that has excited state singlet and triplet energy levels lower than excited state singlet and triplet energy levels of the host. The organic light emitting diode can enhance its luminous efficiency and its luminous lifetime by incorporating one or more exciton energy control layers.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: September 27, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Bo-Min Seo, Jeong-Eun Baek, Dae-Wi Yoon, Mi-Sang Yoo
  • Method for producing a cold resisting and heat insulating composite glue composed of a hydrophobic aerogel and the related product thereof
    Patent number: 11447633
    Abstract: A method for producing a composite glue composed of a hydrophobic aerogel according to the present invention includes: (S1) mixing step; (S2) hydrolysis step; (S3) condensation step; (S4) aging step; (S5) high-temperature pulse washing step; (S6) drying step; and (S7) composition step. The obtained composite glue composed of a hydrophobic aerogel is high-viscosity glue made by blending the hydrophobic aerogel with an inorganic fiber, and the related product not only has good properties of cold resisting and heat insulating, but also is light and has appropriate strength, excellent flame retardancy, and excellent water repellency.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: September 20, 2022
    Assignee: TAIWAN AEROGEL TECHNOLOGY MATERIAL CO., LTD.
    Inventor: Jean-Hong Chen
  • Composition of matter for use in organic light-emitting diodes
    Patent number: 11444250
    Abstract: The present disclosure relates to compounds of Formula (I) as compounds capable of emitting delayed fluorescence, and uses of the compounds in organic light-emitting diodes.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: September 13, 2022
    Assignee: KYULUX, INC.
    Inventors: Yoshitake Suzuki, Shuo-Hsien Cheng, Yu Seok Yang, Jorge Aguilera-Iparraguirre, Rafael Gomez-Bombarelli, Timothy D. Hirzel
  • Compounds for electronic devices
    Patent number: 11440925
    Abstract: The present application concerns silafluorene derivatives according to a specific formula. The silafluorene derivatives can be employed in electronic devices. Furthermore, the present application concerns methods for preparation of the silafluorene derivatives, and electronic devices comprising the silafluorene derivatives.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: September 13, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Teresa Mujica-Fernaud, Rémi Anémian, Hyeon-Hui Kang, Il Jung, Jun-Ho Kim
  • Organic light-emitting device
    Patent number: 11437585
    Abstract: An organic light-emitting device includes an organic layer including a carbazole derivative. In the carbazole derivative, a substituent selected from a substituted or unsubstituted C6-C60 aryl group, a substituted or unsubstituted C1-C60 heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, and a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group is linked to position 2 of a carbazole group of the carbazole derivative, an amine-based substituent is directly or indirectly linked to position 3 of the carbazole group of the carbazole derivative, and a substituted or unsubstituted C6-C60 aryl group is linked to position 9 of the carbazole group of the carbazole derivative.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: September 6, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eunjae Jeong, Dongjun Kim, Jongwoo Kim, Sanghyun Han, Youngkook Kim
  • Heterocyclic compound, and organic light-emitting device using same
    Patent number: 11427562
    Abstract: The present application provides a hetero-cyclic compound capable of significantly enhancing lifespan, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device containing the hetero-cyclic compound in an organic compound layer.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: August 30, 2022
    Assignee: LT MATERIALS CO., LTD.
    Inventors: Han-Kook Oh, Jun-Tae Mo, Yong-Geun Jung, Won-Jang Jeong, Jin-Seok Choi, Dae-Hyuk Choi, Joo-Dong Lee
  • Heterocyclic compound and organic light emitting element including same
    Patent number: 11427572
    Abstract: Provided is a heterocyclic compound of Chemical Formula 1: and an organic light emitting device including the same.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: August 30, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Dong Uk Heo, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Miyeon Han, Junghoon Yang, Heekyung Yun
  • Organic compound, organic light emitting diode and organic light emitting device having the compound
    Patent number: 11420979
    Abstract: Disclosed is an organic compound that includes a fused hetero aromatic moiety of a spiro structure as an electron donor and a triazine moiety as an electron acceptor that is linked to the electron donor via an arylene linker substituted with at least one electron withdrawing group, an organic light emitting diode and an organic light emitting device each of which applies the organic compound into at least one emitting unit. The organic compound enables the organic light emitting diode to increase its luminous efficiency and to improve its color purity.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: August 23, 2022
    Assignees: LG DISPLAY CO., LTD., SOULBRAIN CO., LTD.
    Inventors: Ik-Rang Choe, Tae-Ryang Hong, Jun-Yun Kim, Jin Hee Kim, Eun Chul Shin
  • Organic electroluminescent materials and devices
    Patent number: 11424419
    Abstract: A compound is disclosed that has a metal coordination complex structure having at least two ligands coordinated to the metal; wherein the compound has a first substituent R1 at one of the ligands' periphery; wherein a first distance is defined as the distance between the metal and one of the atoms in R1 where that atom is the farthest away from the metal among the atoms in R1; wherein the first distance is also longer than any other atom-to-metal distance between the metal and any other atoms in the compound; and wherein when a sphere having a radius r is defined whose center is at the metal and the radius r is the smallest radius that will allow the sphere to enclose all atoms in the compound that are not part of R1, the first distance is longer than the radius r by at least 2.9 ?.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: August 23, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Eric A. Margulies, Zhiqiang Ji, Jui-Yi Tsai, Chun Lin, Alexey Borisovich Dyatkin, Mingjuan Su, Bin Ma, Michael S. Weaver, Julia J. Brown, Lichang Zeng, Walter Yeager, Alan DeAngelis, Chuanjun Xia
  • Condensed cyclic compound, organic light-emitting device including the same, and display apparatus including the organic light-emitting device
    Patent number: 11414430
    Abstract: A condensed cyclic compound is represented by Formula 1. An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and comprising an emission layer, the organic layer including the condensed cyclic compound represented by Formula 1. A display apparatus includes: a thin-film transistor comprising a source electrode, a drain electrode, and an active layer; and the organic light-emitting device.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: August 16, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seulong Kim, Sunwoo Kang, Pilgu Kang, Jiyoung Kwon, Taekyung Kim, Soonchul Chang, Dahye Cho
  • Organic electroluminescence device and amine compound for organic electroluminescence device
    Patent number: 11417843
    Abstract: An organic electroluminescence device of an embodiment includes a first electrode and a second electrode opposite of the first electrode, and at least one organic layer between the first electrode and the second electrode, wherein the at least one organic layer includes an amine compound represented by Formula 1 below.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: August 16, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventor: Takao Sakuma
  • Composition for organic optoelectronic device, organic optoelectronic device, and display device
    Patent number: 11417844
    Abstract: The present invention relates to a composition for an organic optoelectronic device, an organic optoelectronic device employing the composition, and a display device, wherein the composition includes: at least one first compound for an organic optoelectronic device, represented by chemical formula 1; and a second compound for an organic optoelectronic device, represented by a combination of Chemical Formula 2 and Chemical Formula 3A or a combination of Chemical Formula 2 and Chemical Formula 3B. The details of Chemical Formulae 1, 2, 3A, and 3B are as defined in the specification.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: August 16, 2022
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Youngkyoung Jo, Jinhyun Lui, Yongtak Yang, Jaejin Oh, Eun Sun Yu, Hanill Lee, Sung-Hyun Jung, Ho Kuk Jung, Pyeongseok Cho, Dalho Huh
  • Compound and organic light emitting element comprising same
    Patent number: 11396494
    Abstract: Provided is a compound of Chemical Formula 1: and an organic light emitting device including the same.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: July 26, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Sang Duk Suh, Sung Kil Hong, Seong So Kim
  • Phenyl biphenylpyrimidine compound and an organic electroluminescent device using the same
    Patent number: 11393983
    Abstract: The present disclosure provides phenyl biphenylpyrimidine compounds of formula (I) and an organic electroluminescent device using the same: wherein X1 and A1 each independently represents substituted or unsubstituted C6-30 aryl or substituted or unsubstituted C5-30 heteroaryl having at least one heteroatom selected from the group consisting of N, O, and S, and n represents an integer of 1 or 2.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: July 19, 2022
    Assignee: E-RAY OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Heh-Lung Huang, Teng-Chih Chao, Po-Wei Hsu, Yi-Huan Fu, Chi-Jen Lin