Patents Examined by Jay Yang
  • Patent number: 11542260
    Abstract: The present disclosure relates to compounds capable of emitting delayed fluorescence and uses of these compounds in organic light-emitting diodes.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: January 3, 2023
    Assignee: KYULUX, INC.
    Inventors: Shuo-Hsien Cheng, Yu Seok Yang, Yoshitake Suzuki, Hayato Kakizoe, Ayataka Endo, Jorge Aguilera-Iparraguirre, Timothy D. Hirzel
  • Patent number: 11543776
    Abstract: A component made of micromachinable material for a high quality factor resonator or escapement mechanism, with a core made of micromachinable material and/or coated with an oxide layer, and including, on this core or on this oxide layer an abrasion resistant layer including a contact surface cooperating with an opposing contact surface an which is a hydrophobic self-assembled monolayer of the alkylsilane and/or fluorinated or perfluorinated or polyperfluorinated type, with a low or zero sulphur content, and arranged to repel any wetting agent from the area of contact between the contact surface and the opposing contact surface.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: January 3, 2023
    Assignee: ETA SA Manufacture Horlogere Suisse
    Inventor: Sylvain Huot-Marchand
  • Patent number: 11535619
    Abstract: The invention relates to heteroaromatic compounds, particularly for use in electronic devices. The invention further relates to a method for producing the compounds according to the invention and to electronic devices containing same.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: December 27, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Amir Parham, Jonas Kroeber, Dominik Joosten, Aurélie Ludemann, Tobias Grossmann
  • Patent number: 11530224
    Abstract: The present invention describes diazadibenzofuran or diazadibenzothiophene derivatives substituted by carbazole, fluorene, phenanthrene, benzofuran and/or benzothiophene groups, especially for use in electronic devices. The invention further relates to a process for preparing the compounds of the invention and to electronic devices comprising these.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: December 20, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Amir Parham, Thomas Eberle, Anja Jatsch, Tobias Grossmann, Jonas Kroeber
  • Patent number: 11524967
    Abstract: A heteroacene having the following formula (F) is described. An organic electroluminescence device comprises the heteroacene as a phosphorescent host, a fluorescent host, a hole blocking layer, or an electron transport layer. The heteroacene lowers a driving voltage, or increases a current efficiency or a half-life of the organic electroluminescence device.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: December 13, 2022
    Assignee: LUMINESCENCE TECHNOLOGY CORP.
    Inventors: Feng-Wen Yen, Tsun-Yuan Huang
  • Patent number: 11515481
    Abstract: A composition for forming organic film, a display device utilizing the composition, and a method of manufacturing the display device are provided. The composition for forming an organic film includes a solvent; and a compound of Formula 1: ArR)k.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: November 29, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Hun Kim, Chang Woong Chu, Duk Ki Kim, Dong Woo Shin, Jae Kook Ha
  • Patent number: 11515500
    Abstract: A display device includes: a base substrate; a light emitting element on the base substrate; a thin film encapsulation layer on the light emitting element to encapsulate the light emitting element; a touch member on the thin film encapsulation layer; a color filter layer on the touch member; and a planarization layer on the color filter layer to cover the color filter layer, wherein the planarization layer includes a light absorber represented by Formula 1: X—Ar—Y.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: November 29, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mi Hwa Lee, Su Jeong Kim, Yi Su Kim, Yi Seop Shim, Jin Hyeong Lee, Eun Jae Jeong
  • Patent number: 11505557
    Abstract: Discussed is an organic compound of Formula 1 and an organic light emitting diode and an OLED device including the organic compound. In the organic compound, Ar1 is a heteroaryl group comprising a nitrogen atom, and Ar2 is a C6 to C30 aryl group, and R is a C1 to C10 alkyl group. The organic compound may be included in an emitting material layer of the organic light emitting diode as a host such that an emitting efficiency and a lifespan of the organic light emitting diode and the OLED device are improved.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: November 22, 2022
    Assignees: LG DISPLAY CO., LTD., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Dae-Wi Yoon, Bo-Min Seo, Chun-Ki Kim, Dong-Hoon Choi, Min-Ju Cho, Su-Na Choi, Mallesham Godumala
  • Patent number: 11502258
    Abstract: The present invention relates to a compound of formula 1 and an organic electronic device comprising an organic semiconductor layer, wherein at least one organic semiconductor layer comprises a compound of formula (1), wherein L1 has the formula (2) and L2 has the formula (3), wherein L1 and L2 are bonded at “*” via a single bond independently to the same or different arylene groups or heteroarylenes group of Ar1; and wherein X1, X2 are independently selected from O, S and Se; Ar1 is selected from substituted or unsubstituted C20 to C52 arylene or C14 to C64 heteroarylene, wherein the substituent of the substituted C20 to C52 arylene or C14 to C64 heteroarylene are independently selected from C1 to C12 alkyl, C1 to C12 alkoxy, CN, halogen, OH, C6 to C25 aryl and C2 to C21 heteroaryl; R1, R2 are independently selected from substituted or unsubstituted C1 to C16 alkyl, wherein the substituent of substituted C1 to C16 alkyl is selected from C6 to C18 arylene or C2 to C12 heteroarylene; R3, R4 are independently s
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: November 15, 2022
    Assignee: Novaled GmbH
    Inventors: Volodymyr Senkovskyy, Regina Luschtinetz, Benjamin Schulze, Carsten Rothe
  • Patent number: 11495711
    Abstract: The present invention relates to a device containing an organometal-complex luminescent material. The device comprises a luminescent layer. The luminescent layer contains an organometal complex which has a structural formula (I), wherein A, B and C refer to substituted or unsubstituted C, N, O and S atoms independently; a dashed ring for linkage between A and B atoms refers to a substituted or unsubstituted conjugated ring structure; L1, L2, L3 and L4 are single bonds or double bonds independently, wherein L3 and L4 are part of the conjugated ring structure for linkage between A and B atoms; X, X1, Y and Y1 are C, N, O and S atoms independently; Ar1 and Ar2 are substituted or unsubstituted conjugated ring structures independently; M refers to Pt, W and Au atoms. An organometal complex in the luminescent material is high in fluorescence quantum efficiency and heat stability and low in quenching constant and can be used for manufacturing high-efficiency and low-efficiency roll-off red-light OLEDs.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: November 8, 2022
    Assignee: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD
    Inventors: Mingquan Yu, Lei Dai, Lifei Cai
  • Patent number: 11485905
    Abstract: A green light thermally activated delayed fluorescent material and a synthesizing method thereof, and an electroluminescent device are described. The green light thermally activated delayed fluorescent material is a target compound reacted and synthesized by an electron donor and an electron acceptor. The target compound is a D-A molecular structure. The electron acceptor has a fluorine-containing group and a bromine-containing group. The electron acceptor is a planar electron acceptor with an ultra-low triplet state energy level, and a triplet state energy level of the target compound ranges from 1.0 to 2.0 eV. The synthesized green light thermally activated delayed fluorescent material improves a luminous efficiency and realizes a preparation of a high efficiency organic electroluminescent device.
    Type: Grant
    Filed: December 29, 2018
    Date of Patent: November 1, 2022
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Jiajia Luo
  • Patent number: 11489122
    Abstract: Provided is a compound of Formula 1: and an organic light emitting device including the same.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: November 1, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Woochul Lee, Ki Dong Koo, Dongheon Kim, Ki Kon Lee, Sujeong Geum, Jung Min Yoon, Kongkyeom Kim, Hyungjin Lee, Nansra Heo
  • Patent number: 11466021
    Abstract: The present invention relates to compounds suitable for use in electronic devices, and to electronic devices, especially organic electroluminescent devices, comprising these compounds.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: October 11, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Amir Parham, Dominik Joosten, Aurélie Ludemann, Tobias Grossmann, Jonas Kroeber, Christian Eickhoff
  • Patent number: 11462696
    Abstract: A novel organic compound is provided. That is, a novel organic compound that is effective in improving element characteristics and reliability is provided. The organic compound is represented by General Formula (G1) having a dibenzobenzofuroquinoxaline skeleton or a dibenzobenzothienoquinoxaline skeleton. In General Formula (G1), Q represents O or S, at least one of R1 to R12 represents a first group having a substituted or unsubstituted condensed aromatic ring or condensed heteroaromatic ring having 3 to 30 carbon atoms, and the other or others of R1 to R12 each independently represent any one of hydrogen, a halogeno group, a hydroxy group, an amino group, a nitro group, and a group having 1 to 50 carbon atoms.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: October 4, 2022
    Inventors: Tomoya Yamaguchi, Hideko Yoshizumi, Hiromitsu Kido, Airi Ueda, Satoshi Seo
  • Patent number: 11462694
    Abstract: There is provided an imidazole derivative, wherein the structural formula of the imidazole derivative is as represented by formula I: There is further provided a material containing the imidazole derivative and an organic light-emitting device containing the imidazole derivative. The imidazole derivative has an excellent carrier transport capacity, and the organic light-emitting device produced by using the material has obviously reduced starting voltage and improved luminous efficiency and luminance; and due to the features such as relatively good film-forming performance and simple material synthesis and purification methods which are applicable to mass production, the imidazole derivative is an ideal option for an electron transport material of organic light-emitting devices.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: October 4, 2022
    Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.
    Inventors: Jianhua Cao, Liang Dong, Shibo Wang, Jianchuan Zhang, Yan Sui, Ruimao Hua
  • Patent number: 11456425
    Abstract: An organic electroluminescence device includes an anode, an emitting layer, and a cathode. The emitting layer contains a delayed fluorescent first compound, a fluorescent second compound, and a third compound represented by Cz-Az. The second compound emits light with a main peak wavelength ranging from 430 nm to 540 nm. Az is a cyclic structure selected from the group consisting of a substituted or unsubstituted pyridine ring, a substituted or unsubstituted pyrimidine ring, a substituted or unsubstituted triazine ring, and a substituted or unsubstituted pyrazine ring. Cz is represented by a formula (3B) below.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: September 27, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Toshinari Ogiwara, Kei Yoshida, Masatoshi Saito, Yuichiro Kawamura
  • Patent number: 11453629
    Abstract: An organic compound represented by formula (1). In formula (1), each of R1 to R22 is independently selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted aryloxy group, a silyl group, and a cyano group.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: September 27, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yosuke Nishide, Naoki Yamada, Jun Kamatani
  • Patent number: 11450819
    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: April 13, 2018
    Date of Patent: September 20, 2022
    Inventors: Dong Uk Heo, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Yongbum Cha, Miyeon Han, Junghoon Yang, Heekyung Yun
  • Patent number: 11450806
    Abstract: The present invention relates to: a composition for an organic optoelectronic element, containing at least one first compound represented by chemical formula 1, at least one second compound among compounds represented by chemical formula 2 and compounds composed of combinations of moieties represented by chemical formula 3 and moieties represented by chemical formula 4, and at least one third compound represented by chemical formula 5; an organic optoelectronic element comprising the same; and a display device comprising the organic optoelectronic element. Chemical formulas 1 to 5 are as described in the specification.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: September 20, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ho Kuk Jung, Giwook Kang, Eui Su Kang, Byungku Kim, Youngkwon Kim, Hun Kim, Eun Sun Yu, Sangshin Lee, Sung-Hyun Jung, Pyeongseok Cho
  • Patent number: 11450812
    Abstract: The present invention relates to compounds of formula a process for their production and their use in electronic devices, especially electroluminescent devices. When used as host material for phasphorescent emitters in electroluminescent devices, the compounds of formula I may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: September 20, 2022
    Assignee: UDC IRELAND LIMITED
    Inventors: Thomas Schaefer, Teresa Marina Figueira Duarte, Christian Schildknecht, Nicolle Langer, Ute Heinemeyer, Heinz Wolleb, Soichi Watanabe, Christian Lennartz, Gerhard Wagenblast, Annemarie Wolleb, Kristina Bardon, Flavio Luiz Benedito