Patents Examined by Dawn L. Garrett
  • Patent number: 12275736
    Abstract: Provided is a compound of Chemical Formula 1: wherein: each X is independently N or CH, provided that at least one X is N; Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl or a substituted or unsubstituted C5-60 heteroaryl containing one or more of N, O and S; Ar3 is a substituted or unsubstituted C5-60 heteroaryl containing at least one N; D is a substituent of any one of the following Chemical Formulas 2-1 to 2-3: wherein: Y1 is O, S, NR2, or CR3R4; n is an integer of 0 to 10; each R1 is independently hydrogen, deuterium, or a substituted or unsubstituted: C1-60 alkyl, C3-60 cycloalkyl, C6-60 aryl, or C5-60 heteroaryl containing one or more of N, O and S; and R2 to R4 are each independently a substituted or unsubstituted C1-60 alkyl or a substituted or unsubstituted C6-60 aryl, and an organic light emitting device comprising the same.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: April 15, 2025
    Assignee: LG Chem, Ltd.
    Inventors: Min Woo Jung, Dong Hoon Lee, Boon Jae Jang, Wanpyo Hong, Sang Duk Suh, Jungha Lee, Su Jin Han, Seulchan Park, Sunghyun Hwang
  • Patent number: 12274168
    Abstract: A compound is represented by a formula (1). n is 2 to 4, m is 1 to 4, q is 0 to 3, and m+n+q=6; CN is a cyano group; D1 is a group represented by a formula (2), (3) or (3X), the plurality of D1 are the same; and Rx is a hydrogen atom or substituent. R1 to R8 are each independently a hydrogen atom or substituent. R31 to R38 and R41 to R48 are each independently a hydrogen atom or substituent; p, px and py are each independently 1 to 4; A to C are each independently a cyclic structure represented by a formula (131) or (132). R19 and R20 are each independently a hydrogen atom or substituent. X1 is a sulfur atom or the like, and * represents a bonding position with a carbon atom of a benzene ring in the formula (1).
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: April 8, 2025
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Keiichi Yasukawa, Shota Sawano, Hiromi Nakano, Takushi Shiomi
  • Patent number: 12268087
    Abstract: Provided is a novel mixture capable of improving luminous efficiency, stability, and lifespan of an element, an organic electric element using the same, and an electronic device therefor.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: April 1, 2025
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Soung Yun Mun, Nam Geol Lee, Sun Hee Lee, Hyung Dong Lee, Jin Bae Jeon
  • Patent number: 12245503
    Abstract: Provided are a heterocyclic compound represented by Formula 1, a light emitting device including the same, and an apparatus including the light-emitting device. The light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode and including an emission layer; and at least one of the heterocyclic compound represented by Formula 1.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: March 4, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Heechoon Ahn, Hyeongmin Kim, Hyunah Um, Yeseul Lee, Hyoyoung Lee, Yirang Im, Seowon Cho
  • Patent number: 12232414
    Abstract: An OLED material may reduce the driving voltage of an OLED and/or increase the device lifetime compared to conventional OLED materials, specifically an aromatic amine, N(Ara)(Arb)(Arc), wherein Ara is of formula (II) La being a single bond or arylene, R1 to R4 being alkyl, aryl, etc., R3 and R4 optionally being bonded to form a ring, o being 0 to 3, and p being 0 to 4, wherein Arb is of formula (III) and Arc is aryl or of formula (III) X is NRa, O, or S, and Ra and R5 to R7 being alkyl, aryl, etc., R5's, R6's, or R7's adjacent to each other, or R5 and R6 optionally being bonded to form a ring, n being 2 to 4 when X is NRa, and 0 to 4 when X is O or S, q is 0 to 3, r and s are independently 0 to 4.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: February 18, 2025
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Tomoki Kato
  • Patent number: 12225818
    Abstract: An organic light emitting device including a first electrode, a second electrode, and a light emitting layer provided between the first electrode and the second electrode, wherein the light emitting layer includes a compound of Chemical Formula 1, a compound of Chemical Formula 2 and a compound of Chemical Formula 3.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: February 11, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Joo Ho Kim, Ji Young Choi, Woochul Lee, Dong Hoon Lee, Dongheon Kim, Sang Duk Suh, Hyungjin Lee
  • Patent number: 12207545
    Abstract: An ionic phosphorescent metal complex has a formula of formula (I). R1 and R2 are the same or different, and are independently selected from alkyl, aryl and heteroaryl, wherein the alkyl, aryl and heteroaryl are optionally substituted with 1-5 of the following groups: halogen, alkyl, alkoxy, alkylthio, amino, alkylamino, dialkylamino, arylamino, diarylamino, haloalkyl, cyano, nitro, alkenyl, aryl and heteroaryl optionally substituted with 1-3 aryl groups; R3 is independently selected from halogen, alkyl, haloalkyl, alkoxy, alkylthio, amino, alkylamino, dialkylamino, cyano, nitro or alkenyl; M is Cu(I), Ag(I) or Au(I). The organic light-emitting diode prepared by using the phosphorescent metal complex of formula (I) as a dopant for an emissive layer is capable of achieving high-performance organic electroluminescence and is applicable to the fields of lighting and flat-panel display.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: January 21, 2025
    Assignee: FUJIAN INSTITUTE OF RESEARCH ON THE STRUCTURE OF MATTER, CHINESE ACADEMY
    Inventors: Zhongning Chen, Liyi Zhang, Linxi Shi, Jinyun Wang, Zhaoyi Wang
  • Patent number: 12193323
    Abstract: An organic compound represented by formula [1] or [2]: where X1 to X18 and X21 to X38 are each independently selected from a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an amino group, an aryl group, a heterocyclic group, an aryloxy group, a heteroaryloxy group, a silyl group, and a cyano group, in which at least one of X1 to X8 and at least one of X21 to X28 are substituted or unsubstituted amino groups; and each Y is oxygen, sulfur, selenium, tellurium, or a CR1CR2 group and may be the same or different, in which R1 and R2 are each independently selected from a hydrogen atom, an alkyl group, an alkoxy group, an amino group, an aryl group, a heterocyclic group, an aryloxy group, a heteroaryloxy group, a silyl group, or a cyano group.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: January 7, 2025
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naoki Yamada, Jun Kamatani, Yosuke Nishide, Hirokazu Miyashita
  • Patent number: 12180131
    Abstract: An organic molecule having a structure of formula I: wherein T and V is independently from another selected from the group consisting of R1 and R2; and R1 has a structure of formula II: which is bonded via the position marked by the dotted line, wherein Ar1 is C6-C60-aryl.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: December 31, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Qiang Wang, Pascal Brandt
  • Patent number: 12162847
    Abstract: Polycyclic aromatic hydrocarbons represented by the following general formula (I) wherein X is one of nitrogen, phosphorus, arsenic, antimony, bismuth, sulphur, selenium, tellurium; R independently represents an aromatic group and/or an aliphatic group; Q is one of a cyclic aliphatic hydrocarbon, a cyclic aromatic hydrocarbon, a polycyclic hydrocarbon, a polycyclic aromatic hydrocarbon, and/or a fused polycyclic aromatic hydrocarbon; wherein the substituents independently comprise one or more of a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a bromine atom, a carbon atom, an oxygen atom (e.g. an alkylated oxygen atom), a nitrogen atom (e.g. an alkylated nitrogen atom), a cyano group, a nitro group, an alkyl group and/or anaryl group; p is an integer of 1 to 2; q is an integer of 1 to 4; Y1 and Y2 independently represent one or more of a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a bromine atom, a carbon atom, an oxygen atom (e.g.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: December 10, 2024
    Assignee: CHROMATWIST LIMITED
    Inventors: Alex Robinson, Jon Andrew Preece, Gregory O'Callaghan, Karolis Virzbickas, Owen Jones, Dennis Zhao, Michael Butlin, Sareena Sund
  • Patent number: 12167684
    Abstract: An organic light-emitting device may include: an anode; a cathode; an organic layer located between the anode and the cathode and including an emission layer; an electron blocking layer located between the anode and the emission layer and in direct contact with the emission layer; and a hole blocking layer located between the cathode and the emission layer and in direct contact with the emission layer. The emission layer may include a host and a dopant, the electron blocking layer may be an electron blocking material, the hole blocking layer may include a hole blocking material, and the host, the dopant, the electron blocking material, and the hole blocking material may each satisfy Equations 1-1 to 1-4: T1(EB)?T1(H)??Equation 1-1 T1(EB)?T1(D)??Equation 1-2 T1(HB)>T1(H)??Equation 1-3 T1(HB)>T1(D).
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: December 10, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seokgyu Yoon, Hyojeong Kim, Hyosup Shin
  • Patent number: 12161044
    Abstract: The present invention is directed to an organic light emitting diode (100) comprising: at least one anode electrode (120); at least one emission layer (150), wherein the emission layer comprises at least one emitter dopant that emits visible light at operation of the OLED (100); an electron transport layer stack (160) of at least two electron transport layers (161/162), and wherein a) the first electron transport layer (161) comprises i) a first organic aromatic matrix compound having a MW of about ?400 to about ?1000 and a dipole moment of about ?0 Debye and about ?2.5 Debye, wherein the first electron transport layer (161) is free of a polar organic aromatic phosphine compound; and b) the second electron transport layer (162) comprises two organic aromatic matrix compounds, which are a mixture of: i) the first organic aromatic matrix compound; and ii) a polar organic aromatic phosphine compound having a MW of about ?400 to about ?1000, and a dipole moment of about >2.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: December 3, 2024
    Assignee: Novaled GmbH
    Inventors: Jerome Ganier, Carsten Rothe, Volodymyr Senkovskyy
  • Patent number: 12156468
    Abstract: The present invention relates to a compound represented by Formula 1 and an organic electroluminescent element including the same, and provides an organic compound which is excellent in service life, efficiency, electrochemical stability, and thermal stability, and an organic electroluminescent element including the same.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: November 26, 2024
    Assignee: MATERIAL SCIENCE CO., LTD.
    Inventors: Jae Ho Jeong, Hyun Bin Kang, Jin Sung Kim, Tae Ho Kwak
  • Patent number: 12156416
    Abstract: According to an embodiment of the present disclosure, an organic light emitting diode includes: a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; an electron injection layer positioned between the emission layer and the second electrode; and an electron injection delay layer positioned between the emission layer and the electron injection layer, wherein the electron injection layer includes a first material made of a metal and a second material made of a metal halide, and the electron injection delay layer has a thickness of about 20 ? to about 140 ?.
    Type: Grant
    Filed: August 11, 2023
    Date of Patent: November 26, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Chan Kim, Won Jong Kim, Dong Kyu Seo, Ji Hye Lee, Sang Hoon Yim, Won Suk Han
  • Patent number: 12146087
    Abstract: A compound represented by the following formula (1), wherein in the formula (1), at least one of R1 to R8 is a group represented by the following formula (2).
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: November 19, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki Kato, Keita Seda, Ryota Takahashi, Hidetsugu Ikeda, Yuki Nakano, Thomas Schaefer, Peter Murer, Carsten Rothe
  • Patent number: 12144251
    Abstract: Provided is an organic electroluminescence device including a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, in which the hole transport region includes a condensed cyclic compound, thereby securing high emission efficiency.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: November 12, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventor: Takuya Uno
  • Patent number: 12134615
    Abstract: The present disclosure provides a compound having a structure represented by Formula 1, where X1-X4 are each independently selected from a carbon atom or a nitrogen atom, and at least two of X1-X4 are each a nitrogen atom; R1-R4 are independently absent or selected from hydrogen, C1-C20 alkyl, C1-C20 alkoxy, C1-C20 alkylthio, C1-C20 alkylamino, C6-C30 aryl, or C2-C30 heteroaryl; m is 1 or 2; n and q are each independently selected from 0, 1, or 2, n+q?1, and m+n+q=3; Ar is C6-C30 aryl. The molecular structure of the compound has a nitrogen-containing multidentate ligand suitable to form complexes with metal Yb or LiQ to form a metal organic complex having multidentate bondings. When applied to an OLED device, it can effectively lower the turn-on voltage and operating voltage, improve the efficiency, and prolong lifetime of the OLED device.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: November 5, 2024
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Wei Gao, Lu Zhai, Lei Zhang, Quan Ran, Wenpeng Dai, Yuyang Guo, Xia Li
  • Patent number: 12098143
    Abstract: An organic molecule is disclosed having: one first chemical moiety with a structure of Formula I, and three second chemical moieties, each independently from another with a structure of Formula II, wherein the first chemical moiety is linked to each of the three second chemical moieties via a single bond.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: September 24, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jan-Simon Friedrichs, Daniel Zink
  • Patent number: 12082499
    Abstract: An organic compound has a structure as shown in Formula (I). The compound has a phosphorus-oxygen five-membered ring combined with a five-membered ring as an electron acceptor unit. The compound has a high luminous efficiency and a lower material cost than phosphorescent metal complexes. The compound can be built into a stack structure of organic optoelectronic device, such as OLED. The resultant organic optoelectronic device includes an anode, a cathode, and at least one organic thin film located between the anode and the cathode, the organic thin film contains the compound as shown in Formula (I).
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: September 3, 2024
    Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Wenjing Xiao, Wei Gao, Wenpeng Dai, Lei Zhang, Jinghua Niu, Yi Liu
  • Patent number: 12069949
    Abstract: Compounds that are organic radicals that can have a dual function. The compounds can be fluorescent emitters that emit in the near-IR. The compounds can also facilitate reverse intersystem crossing (RISC) to convert triplet excitons in an OLED to singlet excited states to maximize utilization of generated excitons in the OLED and approach 100% internal quantum efficiency.
    Type: Grant
    Filed: July 28, 2022
    Date of Patent: August 20, 2024
    Inventors: Hsiao-Fan Chen, Tongxiang (Aaron) Lu, Nicholas J. Thompson, Eric A. Margulies, George Fitzgerald, Jerald Feldman