Patents Examined by Gregory D Clark
  • Patent number: 10573824
    Abstract: The present specification relates to a compound and an organic electronic device comprising the same.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: February 25, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Yongbum Cha, Sung Kil Hong, Kichul Koo
  • Patent number: 10573820
    Abstract: Provided are a compound represented by Formula 1, and an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, wherein the organic material layer comprises the compound represented by Formula 1, and the driving voltage of an organic electronic device can be lowered, and the luminous efficiency, color purity and life time of an organic electronic device can be improved by comprising the compound represented by Formula 1 in the organic material layer.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: February 25, 2020
    Assignee: Duk San Neolux Co., Ltd.
    Inventors: KiHo So, Daesung Kim, Yun Suk Lee, Dae Hwan Oh, Hyoung Keun Park, Yeon Hee Choi, Gyu min Lee
  • Patent number: 10566566
    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: April 14, 2017
    Date of Patent: February 18, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Aram Jeon, Chul Baik, Jungin Lee, Hwayoung Cho, Seokhwan Hong, Kyuyoung Hwang, Ohyun Kwon, Yoonhyun Kwak
  • Patent number: 10566547
    Abstract: The present application includes novel compounds containing xanthene and spiro dixanthene ring structures. These compounds are useful as host materials with high triplet energies for phosphorescent electroluminescent devices.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: February 18, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang Zeng, Peter Wolohan, George Fitzgerald, Daniel W. Silverstein
  • Patent number: 10566552
    Abstract: Ligands with fused spirocyclic substitutions and metal complexes formed with such ligands and having improved performance in OLED applications are disclosed.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: February 18, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang Zeng, Suman Layek, Chuanjun Xia, Zhiqiang Ji, Edward Barron
  • Patent number: 10566562
    Abstract: An organic light-emitting device includes: an anode and a cathode opposite each other, an organic light-emitting layer between the anode and the cathode, and a hole transport unit between the anode and the organic light-emitting layer and including two or more pairs of hole injection layers and hole transport layers each formed of a respective single material, the hole injection layers and the hole transport layers being alternately stacked.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: February 18, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Byung-Soo Kim, Han-Byeol Seok, Seok-Hyun Kim
  • Patent number: 10562876
    Abstract: The present invention relates to a compound for organic light-emitting diodes that can operate organic light-emitting diodes at a low driving voltage and an organic light-emitting diode comprising the same and, more particularly, to a compound for use as a fluorescent host in organic light-emitting diodes, which can bring about excellent diode properties by operating organic light-emitting diodes at a low driving voltage, and an organic light-emitting diode comprising the same.
    Type: Grant
    Filed: January 4, 2016
    Date of Patent: February 18, 2020
    Assignee: SFC CO., LTD.
    Inventors: Soon-Wook Cha, Seok-Bae Park, Sang-woo Park, Yoona Shin, Hee-Dae Kim
  • Patent number: 10559759
    Abstract: The organic EL device of the present invention has an anode, a first hole transport layer, a second hole transport layer, a luminous layer, an electron transport layer, and a cathode in the order of description.
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: February 11, 2020
    Assignee: HODOGAYA CHEMICAL CO., LTD.
    Inventors: Shuichi Hayashi, Naoaki Kabasawa, Shunji Mochiduki
  • Patent number: 10553810
    Abstract: The present disclosure relates to an OLED display panel, comprising a first electrode and a second electrode, a light emitting layer and a first auxiliary light emitting layer disposed between the first electrode and the second electrode, the first auxiliary light emitting layer is disposed between the light emitting layer and the second electrode, wherein the first auxiliary light emitting layer includes at least a first electron-type auxiliary light emitting layer, wherein the first electron-type auxiliary light emitting layer includes a host material and a metal element doped in the host material; the host material has at least one pyridyl group and an aromatic group conjugated to the at least one pyridyl group; and the glass transition temperature of the host material is ?90° C. The present disclosure can improve the luminous efficiency and lifetime of an organic photoelectronic device and reduce its voltage by using this method.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: February 4, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Ying Liu, Xiangcheng Wang, Hongyang Ren, Yuji Hamada, Wei He, Chen Liu, Jie Li
  • Patent number: 10550134
    Abstract: A heterocyclic compound and an organic electroluminescence device including the same, the heterocyclic compound being represented by Formula 1:
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: February 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Asami Sakamoto, Hisayuki Kawamura
  • Patent number: 10553800
    Abstract: A condensed cyclic compound represented by Formula 1-1 or Formula 1-2 and an organic light-emitting device including the same.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Naoyuki Ito, Seulong Kim, Younsun Kim, Dongwoo Shin, Jungsub Lee, Jino Lim
  • Patent number: 10544361
    Abstract: The invention relates to an organic molecule comprising a structure of formula 1 and to the use thereof in optoelectronic components. wherein: X is SO2, CO or a C—C single bond; m is 0 or 1; n is 1, 2 or 3; r is 0 or 1; s is 0 or 1; LG is a divalent linker group, selected from: or LG is an element-element single bond.
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: January 28, 2020
    Assignee: CYNORA GMBH
    Inventors: David Ambrosek, Michael Danz, Harald Flügge, Jana Friedrichs, Tobias Grab, Andreas Jacob, Stefan Seifermann, Daniel Volz
  • Patent number: 10544123
    Abstract: There is provided a compound having Formula I, Formula II, Formula III, Formula IV, Formula V, or Formula VI:
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: January 28, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Kalindi Dogra, Juergen Weber
  • Patent number: 10538538
    Abstract: A polycyclic compound is represented by Formula 1, where X1, X2, L, R1 to R8, and a to d are as defined in the specification.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: January 21, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventor: Junta Fuchiwaki
  • Patent number: 10529945
    Abstract: An organic light-emitting device (100) comprising an anode (103); a cathode (109); a light-emitting layer (107) between the anode and the cathode; a first hole-transporting layer (105A) comprising a first conjugated hole-transporting polymer between the anode and the light-emitting layer; and a second hole-transporting layer (105B) comprising a second conjugated hole-transporting polymer between the first hole-transporting layer and the light-emitting layer, wherein a lowest excited state energy level of the first hole-transporting polymer is lower than the lowest excited state energy of the second hole-transporting polymer.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: January 7, 2020
    Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Robert Archer, Simon King
  • Patent number: 10522767
    Abstract: Provided is a 4-oxoquinoline compounds of the formula (I) (I) wherein A is selected from diradicals of the formulae (A.1), (A.2), (A.3), (A.4), (A.5) and (A.6), (A.1) (A.2) (A.3) (A.4) (A.5) (A.6) wherein R1, R2a, R2b, R3, R3a, if present R4a, R4b, R 5a, R5b, R6a, R6b, R6c, R6d, Rn1, Rn2, Rn3, Rn4, Rm5, Rm6, Rm7, Rm8, R7, R8a, R9 and R9a are as defined in the claims and in the description. Also provided is a method for their preparation and their use.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: December 31, 2019
    Assignees: BASF SE, Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.
    Inventors: Thomas Gessner, Helmut Reichelt, Hans Reichert, Daniel Jaensch, Long Chen, Klaus Muellen
  • Patent number: 10522766
    Abstract: The present invention relates to an organic photoelectronic device and a display device comprising the organic photoelectronic device, the organic photoelectronic device comprising: an anode; a cathode facing the anode; a light-emitting layer interposed between the anode and cathode; a hole transport layer interposed between the anode and the light-emitting layer; and an auxiliary hole transport layer interposed between the hole transport layer and the light-emitting layer, wherein the hole transport layer comprises a compound represented by Chemical formula I, and the auxiliary hole transport layer comprises a compound represented by Chemical formula II. Chemical formulas I and II are the same as set forth in the description.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: December 31, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Han-Ill Lee, Chang-Woo Kim, Dong-Wan Ryu, Young-Sung Park, Chang-Ju Shin, Eun-Sun Yu, Sung-Hyun Jung, Su-Jin Han
  • Patent number: 10522778
    Abstract: The present invention relates to an organic light-emitting diode (100) comprising an emission layer (150) and at least one electron transport layer (161), wherein the at least one electron transport layer (161) comprises at least one matrix compound and at least two lithium compounds.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: December 31, 2019
    Assignee: Novaled GmbH
    Inventors: Francisco Bloom, Thomas Rosenow, Tobias Canzler, Bodo Wallikewitz
  • Patent number: 10516113
    Abstract: An organic compound represented by Chemical Formula 1, an organic optoelectric device including the organic compound, and a display device including the organic optoelectric device are disclosed.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: December 24, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kipo Jang, Soohyun Min, Sangshin Lee, Sung-Hyun Jung, Ho Kuk Jung, Youngkwon Kim, Eun Sun Yu
  • Patent number: 10510960
    Abstract: The present invention relates to compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: December 17, 2019
    Assignee: Merck Patent GmbH
    Inventors: Teresa Mujica-Fernaud, Elvira Montenegro, Jochen Pfister