Patents Examined by Jay Yang
  • Patent number: 11950502
    Abstract: Provided is a novel compound capable of improving the luminous efficiency, stability and life span of a device, an organic electric element using the same, and an electronic device thereof.
    Type: Grant
    Filed: April 17, 2021
    Date of Patent: April 2, 2024
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyoung Keun Park, Yun Suk Lee, Ki Ho So, Jong Gwang Park, Yeon Seok Jeong, Jung Hwan Park, Sun Hee Lee, Hak Young Lee
  • Patent number: 11950498
    Abstract: This compound is represented by formula (1)
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: April 2, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryota Takahashi, Keita Seda, Yuki Nakano
  • Patent number: 11939339
    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: November 22, 2018
    Date of Patent: March 26, 2024
    Assignee: Merck Patent GmbH
    Inventors: Rouven Linge, Sebastian Meyer, Aaron Lackner, Holger Heil, Nils Koenen
  • Patent number: 11939341
    Abstract: Provided are an organic compound, an electroluminescent material and an application thereof. The organic compound has a structure represented by Formula I. With the design of the spiro parent structure and the introduction of specific substituents, the organic compound can prevent materials from stacking and reduce the crystallinity of the molecule. The design of the spiro structure and substituents make the organic material have a high triplet state energy level Ti, and the nitrogen heterocycle and its linking groups make the organic compound have characteristics of good electron and hole transport performances. The organic compound has suitable HOMO and LUMO energy levels, facilitating the coordination of adjacent layers in terms of energy level. The organic compound also has advantages of high glass-transition temperature and good molecular thermal stability. Therefore, the organic compound can effectively improve the light emitting efficiency and lifetime of the device.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: March 26, 2024
    Assignees: WUHAN TIANMA MICROELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Quan Ran, Wei Gao, Lei Zhang, Wenpeng Dai
  • Patent number: 11939279
    Abstract: A compound represented by formula (1) provides a high performance organic electroluminescence device and a novel material for realizing such an organic electroluminescence device: wherein R1 to R6, a to f, L1 to L3, and Ar are as defined in the description.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: March 26, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki Kato, Taro Yamaki, Masahiro Kawamura, Hirokatsu Ito
  • Patent number: 11944004
    Abstract: According to the present invention, there is provided an organic electroluminescence element including at least an anode, a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, and a cathode in the stated order, the organic electroluminescence element being characterized in that: the hole injection layer contains an arylamine compound represented by the following general formula (1) and an electron acceptor. The organic EL element of the present invention has a high light emission efficiency and an excellent durability, as compared with the related art, while maintaining the existing low drive voltage.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: March 26, 2024
    Assignee: HODOGAYA CHEMICAL CO., LTD.
    Inventors: Norimasa Yokoyama, Shuichi Hayashi, Naoaki Kabasawa, Takeshi Yamamoto
  • Patent number: 11926607
    Abstract: The present disclosure provides a compound represented by the following Chemical Formula 1, and an organic light emitting device including the same. The compound is used as a material of an organic material layer of the organic light emitting device.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: March 12, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Yongbum Cha, Jaegoo Lee, Sung Kil Hong, Sung Jae Lee, Hyeon Jin Mun
  • Patent number: 11926591
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifespan characteristics can be provided.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: March 12, 2024
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Hong-Se Oh, Jeong-Eun Yang, Tae-Jin Lee, Sang-Hee Cho
  • Patent number: 11920070
    Abstract: The co-linear or near co-linear structure of bimetallic Janus-type two-coordinated metal complexes may allow for a large transition dipole moment that can enhance the radiative lifetime. The symmetric nature of the bimetallic Janus complexes diminishes or eliminates the polar nature of the monometallic carbene-metal-amide/arene complexes.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: March 5, 2024
    Inventors: Peter I. Djurovich, Mark E. Thompson, Narcisse Ukwitegetse, Tian-Yi Li, Rasha Hamze
  • Patent number: 11917908
    Abstract: A novel organic compound represented by General Formula (G1) is provided. In General Formula (G1), X1 and X2 each independently represent a secondary or tertiary alkyl group having 3 to 6 carbon atoms and having a branched carbon atom which is bonded to a phenyl group. In addition, Ar1 represents a substituted or unsubstituted condensed aromatic ring skeleton having 10 to 60 carbon atoms and composed of two or more rings or a substituted or unsubstituted condensed heteroaromatic ring skeleton having 8 to 60 carbon atoms and composed of two or more rings. Furthermore, Ar2 represents a substituted or unsubstituted aryl group having 6 to 25 carbon atoms. Moreover, n represents any of 1 to 3, and in the case where n is 2 or more, two or more groups bonded to Ar1 may be identical or different.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: February 27, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kyoko Takeda, Harue Osaka, Hiroshi Kadoma, Satoshi Seo, Tsunenori Suzuki, Naoaki Hashimoto
  • Patent number: 11917913
    Abstract: The invention relates to materials, to electroluminescence devices comprising said materials and to the use thereof.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: February 27, 2024
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Arne Buesing, Philipp Stoessel, Anja Gerhard, Christof Pflumm, Thomas Eberle, Anja Jatsch, Jonas Valentin Kroeber, Lars Dobelmann-Mara
  • Patent number: 11917909
    Abstract: The present invention relates to novel organic light emitting compound and an organic electroluminescence device using the same, and more particularly, to a compound having excellent thermal stability, electrochemical stability, luminescence ability, and hole/electron transporting ability, and an organic electroluminescence device which includes the compound in at least one organic layer and thus has improved characteristics such as luminous efficiency, driving voltage, and lifespan.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: February 27, 2024
    Assignee: SOLUS ADVANCED MATERIALS CO., LTD.
    Inventors: Jaeyi Sim, Hocheol Park, Minsik Eum, Youngmo Kim, Yonghwan Lee, Woojae Park
  • Patent number: 11917910
    Abstract: The present invention relates to a novel organic compound and an organic electroluminescent device using the same, and more particularly, to a novel compound having excellent electron transport capability and light emitting capability, and an organic electroluminescent device improved in terms of luminous efficiency, driving voltage, lifespan, etc. by including the novel compound in one or more organic layers.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: February 27, 2024
    Assignee: SOLUS ADVANCED MATERIALS CO., LTD.
    Inventors: Yong Hwan Lee, Min Sik Eum, Jae Yi Sim, Woo Jae Park, Song Ie Han
  • Patent number: 11910705
    Abstract: Provided are a compound capable of improving luminous efficiency, stability and lifetime of an organic electronic device, an organic electric element using the same, and an electronic device comprising the element.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: February 20, 2024
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyun Ju Song, Ho Young Jung, Mi Young Chae, Jae Taek Kwon, Moo Jin Park, Sun Hee Lee
  • Patent number: 11895917
    Abstract: Provided are an organic electroluminescence device, which shows high luminous efficiency, is free of any pixel defect, and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound having a ?-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, oxygen atom, or sulfur atom. The organic electroluminescence device has one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the material for an organic electroluminescence device.
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: February 6, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki Kato, Masaki Numata, Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa
  • Patent number: 11891361
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: February 6, 2024
    Assignee: LT MATERIALS CO., LTD.
    Inventors: Hyun-Ju La, Seong-Jong Park, Won-Jang Jeong, Jin-Seok Choi, Dae-Hyuk Choi, Joo-Dong Lee
  • Patent number: 11877464
    Abstract: Provided is an organic light emitting device that includes an anode, a cathode provided to face the anode, and one or more light emitting units provided between the anode and the cathode, wherein the organic light emitting device includes a charge generation layer provided between the anode and the one light emitting unit, or between the two light emitting units adjacent to each other among the light emitting units, the charge generation layer comprises a p-type charge injection layer, a p-type charge generation layer, or a layer which simultaneously injects and generates p-type charges, and the p-type charge injection layer, the p-type charge generation layer, or the layer which simultaneously injects and generates p-type charges has electric conductivity of 1×10?6 S/cm or more.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: January 16, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Dongheon Kim, Nansra Heo, Wanpyo Hong, Yeon Hwan Kim, Heungwoo Choi, Jun Yun, Hyungjin Lee, Jae Seung Ha
  • Patent number: 11839150
    Abstract: An organic electroluminescence device includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a condensed cyclic compound represented by Formula 1, and the organic electroluminescence device exhibits high efficiency characteristics.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: December 5, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Yuji Suzaki
  • Patent number: 11832513
    Abstract: The present application relates to triarylamine compounds of a defined formula. The present application further relates to processes for preparing the compounds, to the use of the compounds in electronic devices, and to electronic devices comprising the compounds.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: November 28, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Christian Wirges, Teresa Mujica-Fernaud, Elvira Montenegro, Frank Voges, Florian Maier-Flaig, Thomas Eberle
  • Patent number: 11825742
    Abstract: An organic light-emitting device and a heterocyclic compound, the device including a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a compound represented by Formula 1A or a compound represented by Formula 1B:
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: November 21, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jimyoung Ye, Myeongsuk Kim, Byeongwook Yoo, Soobyung Ko, Jihwan Yoon, Jaehoon Hwang