Patents Examined by Dawn L. Garrett
  • Patent number: 10693107
    Abstract: An organic electroluminescence device having RGB pixel areas, wherein optical compensation layers are respectively arranged between the red light emitting layer and the first organic functional layer as well as between the green light emitting layer and the first organic functional layer, the optical compensation layers are made of a first hole transport material and a second hole transport material, the first hole transport material has a triplet-state energy level ?2.48 eV and a HOMO energy level ??5.5 eV, the second hole transport material has a HOMO energy level >?5.5 eV, and the difference between the HOMO energy level of the first hole transport material and the HOMO energy level of the second hole transport material is ?0.2 eV. Its preparation process is simple, and it can significantly reduce power consumption of the light-emitting device so as to increase light-emitting efficiency.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: June 23, 2020
    Assignees: BEIJING VISIONOX TECHNOLOGY CO., LTD., KUNSHAN NEW FLAT PANEL DISPLAY TECHNOLOGY CENTER CO., LTD., KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD.
    Inventors: Song Liu, Weiwei Li, Lin He
  • Patent number: 10693083
    Abstract: A condensed cyclic compound and an organic light-emitting device including the same, the condensed cyclic compound being represented by Formula 1:
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: June 23, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eunjae Jeong, Junha Park, Munki Sim, Hyoyoung Lee, Youngkook Kim, Seokhwan Hwang
  • Patent number: 10686136
    Abstract: The present invention relates to a hole transporting material having a structure of formula (I). The present invention provides a hole transporting material having at least one saturated six-membered carbon ring and benzene ring(s) having non-hydrogen substituent(s) in the formula and being capable of obtaining a suitable mobility rate without occurrence of crosstalk between pixels; and the hole transporting material provided by the present invention is capable of satisfying the requirements on MASK cleaning in terms of solubility (NMP solvent).
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: June 16, 2020
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xiangcheng Wang, Wei He, Ying Liu, Jinghua Niu, Yuji Hamada
  • Patent number: 10680195
    Abstract: An organic light emitting device includes: a first electrode; a second electrode facing the first electrode; m emission units stacked between the first electrode and the second electrode; and m?1 charge generating layer(s) between the two adjacent emission units from among the m emission units, m?1 charge generating layer(s) including m?1 n-type charge generating layer(s) and m?1 p-type charge generating layer(s), wherein m is an integer of 2 or greater, a maximum emission wavelength of light emitted from at least one of the m emission units differs from that of light emitted from at least one of the other emission units, at least one of the m?1 n-type charge generating layer(s) includes a metal-containing material and an electron transporting metal-non-containing material.
    Type: Grant
    Filed: October 10, 2016
    Date of Patent: June 9, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Younsun Kim, Seulong Kim, Dongwoo Shin, Jungsub Lee, Naoyuki Ito, Jino Lim
  • Patent number: 10665788
    Abstract: Embodiments of the present invention include an amine-based compound represented by Formula 1, an organic light-emitting diode including the amine-based compound, and an organic light-emitting apparatus including the amine-based compound.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: May 26, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: O-Hyun Kwon, Dong-Woo Shin, Kyul Han, Seul-Ong Kim, Byoung-Ki Choi
  • Patent number: 10651392
    Abstract: An organic light-emitting device including a first electrode; a second electrode; and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer comprises an emission layer, and wherein the organic layer comprises a first compound represented by Formula 1 and a second compound having the lowest excited triplet energy level greater than 2.73 electron volts: wherein in Formula 1, R11 to R33 are the same as described in the specification.
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: May 12, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., PRESIDENT AND FELLOWS OF HARVARD COLLEGE
    Inventors: Hyun Sik Chae, Soonok Jeon, Hosuk Kang, Hiroshi Miyazaki, Sooghang Ihn, Seongik Hong, Masaki Numata, Sunghan Kim, Rafael Gomez-Bombarelli, Martin B. Z. Forsythe, Jorge Aguilera-Iparraguirre, Alan Aspuru-Guzik, Timothy D. Hirzel
  • Patent number: 10629822
    Abstract: A compound and an organic optoelectronic device are provided. The compound has the chemical formula (I): AB]n chemical formula (I). In the chemical formula (I): n denotes a positive integer and 1?n?5; a chemical group B has the following chemical formula (II): and a chemical group A has the following chemical formula (III) or (IV): In the chemical formula (II): R1 to R8 are independently selected from hydrogen, deuterium, C1 to C30 alkyl, C1 to C30 heteroatom-substituted alkyl, C6 to C30 aryl, and C2 to C30 heteroaryl. Y is selected from O, S, substituted or unsubstituted imino, substituted or unsubstituted methylene, and substituted or unsubstituted silylene, and a substituent is selected from hydrogen, deuterium, C1 to C30 alkyl, C1 to C30 heteroatom-substituted alkyl, C6 to C30 aryl, and C2 to C30 heteroaryl. Ar is selected from C6 to C30 aryl, and C2 to C30 heteroaryl.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: April 21, 2020
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xiangcheng Wang, Ying Liu, Hongyang Ren, Wei He, Chen Liu
  • Patent number: 10629821
    Abstract: The present invention provides a material useful as an organic electroluminescence device material, and particularly provides: a compound having, as a substituent, a substituted aromatic heterocyclic group having a specific structure wherein any of the 1-position to 6-position or the 7-position to 10-position of fluoranthene is substituted with a nitrogen atom; a material for low-voltage organic electroluminescence devices using the compound; and an organic electroluminescence device and an electronic equipment using the material.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: April 21, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tasuku Haketa, Masahiro Kawamura, Yumiko Mizuki, Yoichi Ikeda
  • Patent number: 10622566
    Abstract: The present invention discloses a novel polyheteroaromatic compound derived from 7?,7?-dimethyl-5?,7?-dihydrospiro[cyclopenta[1,2-b:5,4-b?-dithiophene-4,13?-indeno[1,2-b]acridine] core structures. The polyheteroaromatic compound can be used as organic electroluminescence materials for use in an organic electroluminescence device and electronic equipment.
    Type: Grant
    Filed: October 22, 2017
    Date of Patent: April 14, 2020
    Inventors: Feng-Wen Yen, Li-Chieh Chuang
  • Patent number: 10581000
    Abstract: A condensed cyclic compound represented by Formula 1: wherein in Formula 1, groups X1 to X3 and X11 to X18 are the same as described in the specification.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: March 3, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Soonok Jeon, Sangmo Kim, Joonghyuk Kim, Youngseok Park, Youngmok Son, Yeonsook Chung, Yongsik Jung
  • Patent number: 10570113
    Abstract: Provided is a novel aromatic amine derivative represented by General Formula (G1) below. (In the formula, A represents oxygen or sulfur, and R1 to R7 individually represent any of a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, and a substituted or unsubstituted biphenyl group. In addition, ?1 and ?2 individually represent a substituted or unsubstituted phenylene group. Further, Ar1 represents a substituted or unsubstituted condensed aromatic hydrocarbon having 14 to 18 carbon atoms included in a ring. Further, Ar2 represents a substituted or unsubstituted aryl group having 6 to 13 carbon atoms included in a ring. Further, j and n are individually 0 or 1, and p is 1 or 2.).
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: February 25, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kaori Ogita, Tsunenori Suzuki, Satoshi Seo
  • Patent number: 10573819
    Abstract: Provided are a compound of 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, and electronic device comprising the organic electric element, wherein the driving voltage of the organic electronic device can be lowered, and the luminous efficiency and life span can be improved by comprising the compound represented by Formula 1 in the organic material layer.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: February 25, 2020
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Jonggwang Park, Yeon Hee Choi, Yun Suk Lee, Kiho So, Hyoung Keun Park, Yeonseok Jeong, Hak Young Lee
  • Patent number: 10566565
    Abstract: The application provides an organic light emitting device, a method of fabricating the organic light emitting device, and a display device. The organic light emitting device comprises an anode layer, a cathode layer, and a light emitting layer provided between the anode layer and the cathode layer, and further comprises a carrier velocity adjustment layer provided between the light emitting layer and at least one of the anode layer and the cathode layer, and the carrier velocity adjustment layer is used for adjusting an injection rate of a carrier.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: February 18, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Haidong Wu, Weilin Lai, Kai Chen, Juanjuan Bai, Wenyu Ma
  • Patent number: 10566541
    Abstract: An aromatic amine derivative is represented by the following formula (1). In the formula (1), R2 to R5, R7 to R9 and R10 are each independently a hydrogen atom or a substituent. R1 and R6 in the formula (1) are each represented by the following formula (2), in which L1 to L3 are each independently, for instance, a single bond. Ar1 in the formula (2) is a monovalent residue derived from a ring structure of the following formula (4), in which X is an oxygen atom or a sulfur atom and at least one of R11 to R18 is a substituted aryl group. Ar1 in the formula (1) is, for instance, an aryl group or a monovalent residue derived from the ring structure of the formula (4).
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: February 18, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yumiko Mizuki, Hirokatsu Ito
  • Patent number: 10559765
    Abstract: An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode. An electron transport region is between the second electrode and the emission layer. The electron transport region includes an electron injection layer including a first component including at least one halide of an alkali metal (Group I), a second component including at least one organometallic compound, and a third component including at least one of a lanthanide metal or an alkaline earth metal (Group II).
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: February 11, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Wonsuk Han, Dongchan Kim, Wonjong Kim, Eungdo Kim, Dongkyu Seo, Jihye Lee, Dahea Im, Sanghoon Yim, Yoonhyeung Cho
  • Patent number: 10547007
    Abstract: A compound represented by formula (1): wherein Ar is a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted nitrogen-comprising heteroaryl group having 5 to 30 ring atoms; each of L1 and L2 is independently a single bond, a substituted or unsubstituted arylene group having 6 to 30 ring carbon atoms, a substituted or unsubstituted heteroarylene group having 5 to 30 ring atoms, or a substituted or unsubstituted divalent linking group wherein 2 to 4 groups selected from an arylene group having 6 to 30 ring carbon atoms and a heteroarylene group having 5 to 30 ring atoms are bonded to each other via a single bond; A is a monovalent group represented by formula (2); and B is a monovalent group represented by formula (5): wherein R1 to R10 and R21 to R30 are as defined in the description, enables the emission of light of a purer blue (shorter wavelength), a narrower half width (hig
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: January 28, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tasuku Haketa, Hirokatsu Ito, Yu Kudo, Masahiro Kawamura, Ryota Takahashi
  • Patent number: 10538700
    Abstract: A compound and an organic optoelectronic device are provided. The compound has the following chemical formula (I): In the chemical formula (I), R1 to R10 are independently selected from hydrogen, deuterium, C1 to C30 alkyl, C1 to C30 heteroatom-substituted alkyl, C6 to C30 aryl, and C2 to C30 heteroaryl; X1 is selected from O, S, substituted or unsubstituted imino, substituted or unsubstituted methylene, and substituted or unsubstituted silylene. A substituent is selected from hydrogen, deuterium, C1 to C30 alkyl, C1 to C30 heteroatom-substituted alkyl, C6 to C30 aryl, and C2 to C30 heteroaryl.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: January 21, 2020
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xiangcheng Wang, Peng Shu, Hongyang Ren, Wei He, Chen Liu
  • Patent number: 10535824
    Abstract: A compound and an organic optoelectronic device are provided. The compound has the chemical formula (I): wherein: X1 to X5 are independently selected from C and N, when N is selected, a substituent may not be included; R1 to R9 are independently selected nom hydrogen, deuterium, C1 to C30 alkyl, C1 to C30 heteroatom-substituted alkyl, C6 to C30 aryl, C2 to C30 heteroaryl, and a chemical group A represented by the following chemical formula (II): and at least one of R1 to R9 is selected from the chemical group A. In the chemical formula (II), R10 to R17 are independently selected from hydrogen, deuterium, C1 to C30 alkyl, C1 to C30 heteroatom-substituted alkyl, C6 to C30 aryl, and C2 to C30 heteroaryl, and Y is selected from O, S, substituted or unsubstituted imino, substituted or unsubstituted methylene, and substituted or unsubstituted silylene.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: January 14, 2020
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xiangcheng Wang, Ying Liu, Hongyang Ren, Wei He, Chen Liu
  • Patent number: 10529934
    Abstract: Provided is a metal complex which is excellent in quantum yield and full width at half maximum of a light emission spectrum. The metal complex is represented by the following formula (1): wherein M represents an iridium atom or the like, n1 represents 1 to 3, n2 represents 0 to 2, X1 to X8 represent a carbon atom or the like, R1 to R8 represent a hydrogen atom or the like, one of Xa and Xb is a single bond, and the other is a group represented by —CR11R12—CR13R14—, R11 to R14 represent an alkyl group or the like, ring A represents a heteroaromatic ring, and A1-G1-A2 represents an anionic bidentate ligand.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: January 7, 2020
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Takakazu Saito, Yusuke Ishii, Kazuei Ohuchi, Nobuhiko Akino, Rui Ishikawa
  • Patent number: 10510963
    Abstract: The present specification provides a hetero-cyclic compound and an organic light emitting device comprising the same.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: December 17, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Boonjae Jang, Dong Hoon Lee, Dong Uk Heo, Miyeon Han, Minyoung Kang