Patents Examined by Robert S. Loewe
  • Organic electroluminescent device
    Patent number: 11387417
    Abstract: The present disclosure relates to an organic electroluminescent device comprising a light-emitting layer and a hole transport zone. By comprising a specific combination of a light-emitting layer and a hole transport zone, it is possible to provide an organic electroluminescent device having low driving voltage, high luminous efficiency and/or long lifespan properties.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: July 12, 2022
    Inventors: Tae-Jin Lee, Jeong-Eun Yang, Dong-Hyung Lee, Sang-Hee Cho
  • Organic light emitting element and composition for organic material layer in organic light emitting element
    Patent number: 11387418
    Abstract: The present specification relates to an organic light emitting device comprising a first electrode, a second electrode, and one or more organic material layers provided between the first electrode and the second electrode, wherein one or more layers of the organic material layers comprise a heterocyclic compound represented by Chemical Formula 1 and a heterocyclic compound represented by Chemical Formula 2 at the same time, and a composition for an organic material layer of an organic light emitting device.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: July 12, 2022
    Assignee: LT MATERIALS CO., LTD.
    Inventors: Young Seok No, Jiyoon Byun, Dongjun Kim
  • Organometallic compound and organic light-emitting device including the same
    Patent number: 11377458
    Abstract: An organometallic compound represented by Formula 1: M(L1)n1(L2)n2(L3)n3??Formula 1 wherein in Formula 1, M, L1, L2, L3, n1, n2, and n3 are the same as defined in the specification.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: July 5, 2022
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Juhyun Kim, Wook Kim, Youngchun Kwon, Sangmo Kim, Changho Noh, Minsik Min, Sangho Park, Hyejin Bae, Wonseok Oh, Hasup Lee, Yongsik Jung, Younsuk Choi
  • Organic electroluminescent element
    Patent number: 11374178
    Abstract: Provided is a thermally activated delayed fluorescence-emitting organic EL element having a low driving voltage, high luminous efficiency, and a prolonged lifespan. The organic EL element contains one or more light-emitting layers between an anode and a cathode that face each other, and at least one light-emitting layer contains a host material composed of a carbazole compound represented by formula (1) and a thermally activated delayed fluorescence material composed of an indolocarbazole compound containing an indolocarbazole ring in its molecule. Here, L1 represents an aromatic group, and at least one R1 represents a carbazolyl group, and n is 1 or 2.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: June 28, 2022
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Yuta Sagara, Masashi Tada, Kazuaki Yoshimura, Junya Ogawa, Katsuhide Noguchi
  • Organic electroluminescence device and amine compound for organic electroluminescence device
    Patent number: 11374182
    Abstract: Provided is an organic electroluminescence device, including a first electrode, a hole transport region that is on the first electrode and includes an amine compound represented by the following Formula 1, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region,
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: June 28, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Xiulan Jin, Ichinori Takada
  • Organic light-emitting device
    Patent number: 11367837
    Abstract: An organic light-emitting device including an emission layer including a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer comprises an emission layer, the emission layer comprises a first compound, a second compound, and a third compound, and the first compound and the second compound are different from each other, each of the first compound and the second compound emits light, the third compound does not emit light, and the first compound and the second compound satisfy Conditions and Inequalities as described herein.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: June 21, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Myungsun Sim, Sooghang Ihn, Joonghyuk Kim, Yasushi Koishikawa, Jongsoo Kim, Hasup Lee, Soonok Jeon, Yeonsook Chung
  • Anthracene derivative and organic light-emitting device comprising same
    Patent number: 11367838
    Abstract: Provided are anthracene derivatives of Chemical Formula 1: wherein: X1 is O or S; R1 and R2 are the same as or different from each other, and each independently is hydrogen, deuterium, a nitrile group, a halogen groups a substituted or unsubstituted alkyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group, or bond to adjacent groups to form a substituted or unsubstituted ring; Ar is a substituted or unsubstituted heteroaryl group comprising O or S; and a is an integer of 0 to 9, and b is an integer of 0 to 8, and when a is 2 or greater, R1s are the same as or different from each other, and when b is 2 or greater, R2s are the same as or different from each other. Also provided are organic light emitting devices comprising same.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: June 21, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Younghee Lee, Dongheon Kim, Woochul Lee, Ji Young Choi, Wanpyo Hong, Young Seok Kim, Joo Ho Kim, Kongkyeom Kim
  • High purity SiOC and SiC, methods compositions and applications
    Patent number: 11365124
    Abstract: Organosilicon chemistry, polymer derived ceramic materials, and methods. Such materials and methods for making polysilocarb (SiOC) and Silicon Carbide (SiC) materials having 3-nines, 4-nines, 6-nines and greater purity. Processes and articles utilizing such high purity SiOC and SiC.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: June 21, 2022
    Assignee: Pallidus, Inc.
    Inventors: Mark S. Land, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Douglas M. Dukes, Glenn Sandgren, Brian L. Benac
  • Modified preceramic polymers, method of making and ceramic matrix composite formed therefrom
    Patent number: 11365290
    Abstract: Disclosed is a modified preceramic polymer having a polymer backbone consisting of silicon or a combination of silicon and carbon; and a pendant modifier bonded to the backbone wherein the modifier includes silicon, boron, aluminum, a transition metal, a refractory metal, or a combination thereof. The modified preceramic polymer can be used to form a ceramic matrix composite.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: June 21, 2022
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Wayde R. Schmidt, Paul Sheedy
  • Heterocyclic compound and organic electroluminescence device including the same
    Patent number: 11367841
    Abstract: A heterocyclic compound and an organic electroluminescence device including the same, the heterocyclic compound being represented by Formula 1 below:
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: June 21, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventor: Akinori Yamatani
  • Heterocyclic compound and organic light emitting element including same
    Patent number: 11367836
    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: June 21, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Dong Uk Heo, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Miyeon Han, Junghoon Yang, Heekyung Yun
  • Electroluminescent device
    Patent number: 11362298
    Abstract: Broadly speaking, embodiments of the present invention provide a solid state light-emitting device and a method of manufacturing the solid state light-emitting device. The method comprises preparing a thin layer of semiconducting perovskite nanoparticles embedded in a matrix or blend of a material that has a wider band gap than the semiconducting perovskite nanoparticles. In embodiments, the method comprises blending a solution of a semiconducting perovskite material or a precursor therefor with a solution of a material that has a wider band gap than the semiconducting perovskite material or a precursor therefor followed by removal of the solvent from the mixture thus formed, to give the semiconducting perovskite nanoparticles embedded in a matrix or blend of the material that has a wider band gap than the semiconducting perovskite nanoparticles.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: June 14, 2022
    Assignees: CAMBRIDGE ENTERPRISE LIMITED, KING ABDULAZIZ CITY FOR SCIENCE & TECHNOLOGY
    Inventors: Richard Henry Friend, Zhi Kuang Tan, Guangru Li, Dawei Di, Neil C. Greenham
  • Organic light-emitting device and display apparatus including organic light-emitting device
    Patent number: 11355712
    Abstract: An organic light-emitting device and a display apparatus including the organic light-emitting device includes a light emitting layer having one or more host materials having unexpectedly low driving voltage, high efficiency and a long life span.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: June 7, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jihyun Seo, Mikyung Kim, Seunggak Yang, Kwanhee Lee
  • Compound, preparing method therefor, and organic light emitting element comprising same
    Patent number: 11345688
    Abstract: The compound is represented by Formula 1. In Formula 1, X is O or S, and R1 and R2 are independently selected from the group consisting of aryl, heteroaryl and —P(O)—R3R4, where the aryl, heteroaryl and —P(O)—R3R4 are substituted or unsubstituted with 1 to 4 substituents selected from the group consisting of (C1-C4)alkyl, (C1-C4)alkoxy, aryl and heteroaryl. The “aryl” means a group consisting of 6 to 10 cyclic rings, and the “heteroaryl” means a group consisting of 5 to 14 cyclic rings having 1 to 4 heteroatoms selected from oxygen, sulfur and nitrogen (including quaternary nitrogen). R3 and R4 are independently selected from aryl or heteroaryl.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: May 31, 2022
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Youn Gu Lee, Hong Gi Kim, Seok Hoon Jang
  • Organic compounds and organic electroluminescent device including the same
    Patent number: 11342505
    Abstract: The present disclosure relates to a novel organic compound and an organic electroluminescent device including the same. More specifically, the present disclosure relates to a deuterated organic compound and an organic electroluminescent device including at least one organic layer made of the deuterated organic compound. Thus, the organic electroluminescent device exhibits a longer lifetime, lower voltage implementation, and improved luminous efficiency.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: May 24, 2022
    Assignees: MATERIAL SCIENCE CO., LTD., LG DISPLAY CO., LTD.
    Inventors: Seunghee Yoon, Inbum Song, Hyun Bin Kang, Jaemin Ryu, Jin Sung Kim, Tae-Ho Kwak, Sunghoon Kim
  • Organic electroluminescent materials and devices
    Patent number: 11342509
    Abstract: A compound including a first ligand LA selected from the following group: is disclosed.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: May 24, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi Tsai, Alexey Borisovich Dyatkin, Zhiqiang Ji
  • Compound, coating composition comprising same, and organic light emitting element comprising same
    Patent number: 11335859
    Abstract: The present disclosure relates to a compound of Chemical Formula 1, a coating composition including the same, and an organic light emitting device including the same.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: May 17, 2022
    Inventors: Yongwook Kim, Jaechol Lee, Jaesoon Bae, Daeho Kim, Seokhee Yoon, Sungkyoung Kang, Kwanghyun Kim
  • Organic electroluminescence device and condensed cyclic compound for organic electroluminescence device
    Patent number: 11335860
    Abstract: An organic electroluminescence device of an embodiment includes a first electrode and a second electrode facing each other, and at least one organic layer disposed between the first electrode and the second electrode, wherein at least one organic layer includes a condensed cyclic compound represented by Formula 1, thereby showing improved device efficiency and life.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: May 17, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventor: Takuya Uno
  • Compound and organic light-emission device
    Patent number: 11332474
    Abstract: The present invention provides a novel compound of an amine derivative including a spiro compound. The novel compound has excellent hole transport characteristics. Thus, when the novel compound is applied to a hole transport layer, an auxiliary hole transport layer and an electron blocking layer of an organic light-emitting device, the device realizes low driving voltage, high efficiency, high thermal stability and long life-span. Further, when the novel compound is applied as a blue light-emitting material, the device realizes a low driving voltage and high efficiency.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: May 17, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Heejun Park, Seonkeun Yoo, Sangbeom Kim, Soyoung Jang, Jicheol Shin
  • Coat-forming composition
    Patent number: 11326075
    Abstract: A coat-forming composition including (A) to (C) below, and containing 100 to 2000 parts by mass of (C) below relative to 100 parts by mass of (A) below: (A) a mixture of coating film-forming components containing (A-1) and (A-2) below at a mass ratio of (A-1):(A-2)=1:1.1 to 1:4.9, (A-1) a hydrolyzable group-containing silicone oligomer having a kinematic viscosity at 25° C. of 10 mm2s-1 or less, and (A-2) a reactive silicone oil having, at one terminal, a functional group from the group of a mercapto group, an amino group, and a monocarbinol group, provided that the reactive silicone oil having a monocarbinol group at one terminal has a functional group equivalent of 4500 g/mol or less; (B) a hydrolysis catalyst; and (C) an organic solvent. The coat-forming composition can form a coating film having both water sliding ability and durability (water sliding ability after abrasion).
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: May 10, 2022
    Assignee: THREEBOND CO., LTD.
    Inventor: Katsuhiko Kishi