Patents Examined by Dylan C Kershner
  • Patent number: 11800789
    Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: October 24, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jongwon Choi, Kum Hee Lee, Banglin Lee, Yoonhyun Kwak, Ohyun Kwon, Sukekazu Aratani, Byoungki Choi
  • Patent number: 11793063
    Abstract: A condensed-cyclic compound and an organic light-emitting device, the condensed-cyclic compound being represented by the following Formula 1:
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: October 17, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seokhwan Hwang, Hyejin Jung, Sooyon Kim, Youngkook Kim, Mieun Jun, Sanghyun Han
  • Patent number: 11780855
    Abstract: A compound useful as a hole transport material for an organic electronic device, in particular, an organic electroluminescent (EL) device. The compound of the present specification is represented by the following General Formula (1).
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: October 10, 2023
    Assignee: LG Chem, Ltd.
    Inventor: Hisayuki Kawamura
  • Patent number: 11785836
    Abstract: An organic electroluminescence device includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a compound represented by Formula 1 below.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: October 10, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Akinori Yamatani
  • Patent number: 11778898
    Abstract: An organic light emitting device having an anode, a cathode and an organic layer disposed between the anode and the cathode is provided. In one aspect, the organic layer comprises a compound having at least one zwitterionic carbon donor ligand.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: October 3, 2023
    Assignees: The University of Southern California, Universal Display Corporation
    Inventors: Peter Djurovich, Jui-Yi Tsai, Chun Lin, Jason Brooks, Bert Alleyne, Mark E. Thompson, Peter B. Mackenzie, Bin Ma
  • Patent number: 11773123
    Abstract: An organometallic compound represented by Formula 1, an organic light-emitting device including the organometallic compound, and a diagnostic composition including the organometallic compound: wherein, in Formula 1, Y2, a ring CY2, R1 to R8, R20, A1 to A7 and d2 may be each independently the same as described in the specification.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: October 3, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yongsuk Cho, Soyeon Kim, Jiyoun Lee, Jongwon Choi, Dmitry Kravchuk, Banglin Lee, Ohyun Kwon, Kyuhyun Im
  • Patent number: 11778902
    Abstract: The present disclosure relates to the field of display technologies, and particularly discloses an organic electroluminescent device. The organic electroluminescent device has a first electrode, a second electrode, and an organic functional layer. The organic functional layer comprises a light-emitting layer. The light-emitting layer comprises at least a host material and a guest material. The host material comprises an exciplex composed of a donor molecule and a receptor molecule, wherein the donor molecule and/or the receptor molecule contains a large steric hindrance substituent group X for increasing an inter-molecular distance between the donor molecule and the receptor molecule, which enables to enhance Foster energy transfer to the guest material molecule, improve device efficiency, inhibit Triplet-Polaron Annihilate Annihilation (TPA), and prolong the device lifetime.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: October 3, 2023
    Assignees: Kunshan Go-Visionox Opto-Electronics Co., Ltd., Tsinghua University
    Inventors: Lian Duan, Xiaozeng Song, Dongdong Zhang, Guomeng Li
  • Patent number: 11760769
    Abstract: A composition including a first compound including a compound represented by Formula 1, a second compound including a compound represented by Formula 2, and a third compound including a compound represented by Formula 3, and an organic light-emitting device including the composition: wherein the description of Formulae 1 to 3 are the same as described in the specification.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: September 19, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Banglin Lee, Dongmin Kang, Soyeon Kim, Jiyoun Lee, Yongsuk Cho, Jongwon Choi, Dmitry Kravchuk, Dongyeong Kim, Junseok Kim, Namheon Lee, Byeonggwan Lee, Sangshin Lee, Yasushi Koishikawa
  • Patent number: 11758802
    Abstract: A composition including a first compound represented by Formula 1 and a second compound represented by Formula 2 and an organic light-emitting device including the composition: Formulae 1 and 2 may each be understood by referring to the descriptions thereof provided herein.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: September 12, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Banglin Lee, Soyeon Kim, Jiyoun Lee, Jongwon Choi, Dmitry Kravchuk, Sangdong Kim, Sukekazu Aratani, Yongsuk Cho
  • Patent number: 11758804
    Abstract: Novel metal compounds having a first ligand LA that has the following formula: Formula I useful as emitters in OLED application are disclosed.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: September 12, 2023
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Hsiao-Fan Chen, Mingjuan Su, Zhiqiang Ji, Jui-Yi Tsai, Jason Brooks, Paul M. Lahti
  • Patent number: 11744143
    Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yongsuk Cho, Sangdong Kim, Chui Baik, Hyun Koo, Ohyun Kwon, Byoungki Choi
  • Patent number: 11744141
    Abstract: A compound having the formula [LA]yIr[LB]x is disclosed, where LA is selected from one of the following: The compounds have at least one pyridyl dibenzo-substituted ligand that coordinates to metal center from the sterically hindered position as exemplified by LA. Because of this unique configuration, the compounds display better photo-physical and thermal properties and can be used in OLED devices to improve their performance, particularly with respect to the device's lifetime.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: August 29, 2023
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang Ji, Alexey Borisovich Dyatkin, Jui-Yi Tsai, Walter Yeager, Edward Barron
  • Patent number: 11744142
    Abstract: A compound having a structure of the formula Ir(LA)(LB), in which LA is a bidentate, tridentate, tetradentate, pentadentate, or hexadentate ligand and LB is a monodentate, bidentate, tridentate, or tetradentate ligand, or not present, and where the total denticity of LA plus LB is 6, and LA includes at least one structure of Formula I: is disclosed as a useful phosphorescent emitter compound.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: August 29, 2023
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Geza Szigethy, Joseph A. Macor, Charles Stanton, Galyna Dubinina, Douglas Williams
  • Patent number: 11718634
    Abstract: Cyclometallated iridium complexes having triphenylene or aza triphenylene and bulky alkyl substitution that can be used as emitters in OLEDs to improve the external quantum efficiency (EQE) and lifetime of OLEDs are disclosed.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: August 8, 2023
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang Ji, Alexey Borisovich Dyatkin, Jui-Yi Tsai, Pierre-Luc T. Boudreault
  • Patent number: 11723265
    Abstract: Disclosed herein is an organic light emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and a light emitting layer interposed between the first electrode and the second electrode, wherein the light-emitting layer contains at least one of the anthracene derivatives represented by the following Chemical Formula A and having an orbital energy level of TTA phenomenon-based singlet generation in which the second triplet excited orbital energy level (T2) is higher than two times the lowest triplet excited orbital energy level (T1) (T2>2T1).
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: August 8, 2023
    Assignee: SFC CO., LTD.
    Inventors: Young-Hwan Park, Soon-Wook Cha, Yoona Shin, Sungeun Choi
  • Patent number: 11696500
    Abstract: The purpose of the present invention is to provide: a ?-conjugated compound exhibiting excellent light emission characteristics; an organic electroluminescent element using same; a display device; and an illumination device. Accordingly, this organic electroluminescent element is provided with: a positive electrode; a negative electrode; and at least one organic layer which is sandwiched between the positive electrode and the negative electrode, and which includes a light emission layer. The light emission layer includes a ?-conjugated compound having a structure represented by any of general formulae (1)-(3) (in general formulae (1)-(3), at least one among R1-R4, R5-R8, and R9-R16 represents a group represented by general formula (4) (in general formula (4): Ar1 and Ar2 represent substituted or unsubstituted aryl groups; L1 represents a single bond or a substituted or unsubstituted arylene group; and # represents a bond to general formulae (1)-(3))).
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: July 4, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Ryutaro Sugawara, Takatugu Suzuki
  • Patent number: 11696459
    Abstract: Disclosed is a device that includes an emissive material or region including a host that is doped with a first material as an emitter that is an acceptor and a phosphorescent-capable second material as a sensitizer. The first material and the second material each has a first singlet state and a first triplet state. The first triplet state of the second material is not lower than the first triplet state of the first material. The second material transfers excitons to the first material and the excitons that transition to the first triplet state of the first material can be activated to the first singlet state of the first material through a thermal activation process.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: July 4, 2023
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Woo-Young So, Jui-Yi Tsai, Chuanjun Xia
  • Patent number: 11683955
    Abstract: Provided are a light absorber represented by Formula 1 and an organic electroluminescence device including a light absorption layer including the light absorber: In Formula 1, X1 is O or S.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: June 20, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sanghyun Han, Jongwoo Kim, Eunjae Jeong, Youngkook Kim, Seokhwan Hwang
  • Patent number: 11683979
    Abstract: There is disclosed a compound Formula I In Formula I: Z is CR4R5, C?CR4R5, SiR4R5, GeR4R5, NR4a, PR4a, P(O)R4a, O, S, SO, SO2, Se; SeO, SeO2, Te, TeO, or TeO2; R1-R3 are the same or different at each occurrence and are D, aryl, heteroaryl, alkyl, amino, silyl, germyl, deuterated aryl, deuterated heteroaryl, deuterated alkyl, deuterated amino, deuterated silyl, or deuterated germyl, where two groups selected from R1, R2, and R3 can be joined together to form a fused ring; R4-R5 are the same or different at each occurrence and are H, D, aryl, heteroaryl, alkyl, amino, silyl, germyl, deuterated aryl, deuterated heteroaryl, deuterated alkyl, deuterated amino, deuterated silyl, or deuterated germyl; R4ais alkyl, silyl, germyl, aryl, or a deuterated analog thereof; a is an integer from 0-4; b and c are the same or different and are an integer from 0-3.
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: June 20, 2023
    Inventors: Viacheslav V. Diev, John David Allen, Kerwin D. Dobbs, Weiying Gao, Michael Henry Howard, Jr., Michael R. Moseley, Weishi Wu
  • Patent number: 11678565
    Abstract: The present invention includes novel heterocyclic materials for use as blue phosphorescent materials in OLED devices. The materials are based on carbene and heterocyclic 5-membered ring linked ligands, which may be complexed to a transition metal via a metal-carbon (carbene) bond and a metal-nitrogen covalent bond.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: June 13, 2023
    Assignee: Universal Display Corporation
    Inventors: Tongxiang (Aaron) Lu, George Fitzgerald, Morgan C. MacInnis, Paul M. Lahti