Patents by Inventor Liam P. Spencer

Liam P. Spencer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11367835
    Abstract: The present invention provides a quantum dot light emitting diode comprising i) an emitting layer of at least one semiconductor nanoparticle made from semiconductor materials selected from the group consisting of Group II-VI compounds, Group II-V compounds, Group III-VI compounds, Group III-V compounds, Group IV-VI compounds, Group I-III-VI compounds, Group II-IV-VI compounds, Group II-IV-V compounds, or any combination thereof; and ii) a polymer for hole injection or hole transport layer, comprising one or more triaryl aminium radical cations having the structure (S1).
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: June 21, 2022
    Assignees: Dow Global Technologies LLC, Rohm and Haas Electronic Materials LLC
    Inventors: Anatoliy N. Sokolov, Brian Goodfellow, Robert David Grigg, Liam P. Spencer, John W. Kramer, David D. Devore, Sukrit Mukhopadhyay, Peter Trefonas, III
  • Publication number: 20220069225
    Abstract: The present invention relates to a polymeric charge transfer layer comprising a polymer. The polymer comprises as polymerized units, Monomer A, Monomer B, and Monomer C crosslinking agent. The present invention further relates to an organic electronic device especially an organic light emitting device containing the polymeric charge transfer layer.
    Type: Application
    Filed: October 27, 2015
    Publication date: March 3, 2022
    Inventors: Liam P. Spencer, Chun Liu, Minrong Zhu, Nolan T. McDougal, Shaoguang Feng, Peter Trefonas, III, David D. Devore, Zhengming Tang, Jiansheng Feng, Anatoliy N. Sokolov
  • Patent number: 11168155
    Abstract: Catalyst systems contain metal-ligand complexes according to formula (I): In formula (I), M is Ti, Zr, of Hf; n is 0, 1, 2, or 3; m is 1 or 2; each R1 and each R2 is independently chosen from (C1-C40)hydrocarbyl, (C1-C40)heterohydrocarbyl, (C1-C40)aryl, (C1-C40)heteroaryl, halogen, and —H; R1 and R2 are optionally covalently linked to each other; and each R3 is a hydrocarbon or heterohydrocarbon radical having an identity depending on the value of subscript m. The metal-ligand complexes may be incorporated as procatalysts in catalyst systems for polyolefin polymerization.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: November 9, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Liam P. Spencer, David M. Pearson
  • Publication number: 20210210691
    Abstract: Polymeric layers suitable for organic layers of electronic devices that show reduced driving voltage and/or increased luminous efficiency.
    Type: Application
    Filed: December 24, 2015
    Publication date: July 8, 2021
    Inventors: Minrong Zhu, Jichang Feng, Jing Jing Yan, Zhengming Tang, Shaoguang Feng, Hua Ren, Hong Yeop Na, Yoo-Jin Doh, Yuchen Liu, David D. Devore, Peter Trefonas, III, Liam P. Spencer
  • Patent number: 10868253
    Abstract: A single phase liquid formulation useful for producing an organic charge transporting film; said formulation comprising: (a) a first polymer resin having Mw less than 5,000; (b) a second polymer resin having Mw at least 7,000; (c) a first solvent having a boiling point from 50 to 165° C.; and (d) a second solvent having a boiling point from 180 to 300° C.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: December 15, 2020
    Assignees: Rohm and Haas Electronic Materials LLC, Dow Global Technologies LLC
    Inventors: Chun Liu, Peter Trefonas, III, Sukrit Mukhopadhyay, Liam P. Spencer, David D. Devore, Ashley Inman
  • Patent number: 10818860
    Abstract: The present invention provides a quantum dot light emitting diode comprising i) an emitting layer of at least one semiconductor nanoparticle made from semiconductor materials selected from the group consisting of Group II-VI compounds, Group II-V compounds, Group III-VI compounds, Group III-V compounds, Group IV-VI compounds, Group I-III-VI compounds, Group II-IV-VI compounds, Group II-IV-V compounds, or any combination thereof; and ii) a polymer for hole injection or hole transport layer; and the polymer comprises, as polymerized units, at least one or more monomers having a first monomer structure comprising a) a polymerizable group, b) an electroactive group with formula NAr1Ar2Ar3 wherein Ar1, Ar2 and Ar3 independently are C6-C50 aromatic substituents, and (c) a linker group connecting the polymerizable group and the electroactive group.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: October 27, 2020
    Assignees: Rohm and Haas Electronic Materials LLC, Dow Global Technologies LLC
    Inventors: Anatoliy N Sokolov, Brian Goodfellow, Robert David Grigg, Liam P Spencer, John W Kramer, David D Devore, Sukrit Mukhopadhyay, Peter Trefonas, III
  • Publication number: 20200185604
    Abstract: Provided is an organic light-emitting diode comprising a substrate, an anode layer, optionally one or more hole injection layers, one or more hole transport layers, optionally one or more electron blocking layers, an emitting layer, optionally one or more hole blocking layers, optionally one or more electron transport layers, an electron injection layer, and a cathode, wherein either the hole injection layer, or the hole transport layer, or both of the hole injection layer and the hole transport layer, or a layer that functions as both a hole injection layer and a hole transport layer, comprises a polymer that comprises one or more triaryl aminium radical cations having the structure (S1) wherein each of R11, R12, R13, R14, R15, R21, R22, R23, R24, R25, R31, R32, R33, R34, and R35 is independently selected from the group consisting of hydrogen, deuterium halogens, amine groups, hydroxyl groups, sulfonate groups, nitro groups, and organic groups, wherein two or more of R11, R12, R13, R14, R15, R21, R22, R23, R
    Type: Application
    Filed: October 20, 2017
    Publication date: June 11, 2020
    Inventors: Robert David Grigg, Liam P. Spencer, John W. Kramer, David D. Devore, Brian Goodfellow, Chun Liu, Sukrit Mukhopadhyay, Thomas H. Peterson, William H. H. Woodward, Anatoliy N. Sokolov
  • Publication number: 20200052218
    Abstract: The present invention provides a quantum dot light emitting diode comprising i) an emitting layer of at least one semiconductor nanoparticle made from semiconductor materials selected from the group consisting of Group II-VI compounds, Group II-V compounds, Group III-VI compounds, Group III-V compounds, Group IV-VI compounds, Group I-III-VI compounds, Group II-IV-VI compounds, Group II-IV-V compounds, or any combination thereof; and ii) a polymer for hole injection or hole transport layer, comprising one or more triaryl aminium radical cations having the structure (S1).
    Type: Application
    Filed: June 26, 2017
    Publication date: February 13, 2020
    Inventors: Anatoliy N. SOKOLOV, Brian GOODFELLOW, Robert David GRIGG, Liam P. SPENCER, John W. KRAMER, David D. DEVORE, Sukrit MUKHOPADHYAY, Peter TREFONAS, III
  • Publication number: 20200010582
    Abstract: Catalyst systems contain metal-ligand complexes according to formula (I): In formula (I), M is Ti, Zr, of Hf; n is 0, 1, 2, or 3; m is 1 or 2; each R1 and each R2 is independently chosen from (C1-C40)hydrocarbyl, (C1-C40)heterohydrocarbyl, (C1-C40)aryl, (C1-C40)heteroaryl, halogen, and —H; R1 and R2 are optionally covalently linked to each other; and each R3 is a hydrocarbon or heterohydrocarbon radical having an identity depending on the value of subscript m. The metal-ligand complexes may be incorporated as procatalysts in catalyst systems for polyolefin polymerization.
    Type: Application
    Filed: February 28, 2018
    Publication date: January 9, 2020
    Applicant: Dow Global Technologies LLC
    Inventors: Liam P. Spencer, David M. Pearson
  • Publication number: 20190334106
    Abstract: The present invention provides a quantum dot light emitting diode comprising i) an emitting layer of at least one semiconductor nanoparticle made from semiconductor materials selected from the group consisting of Group II-VI compounds, Group II-V compounds, Group III-VI compounds, Group III-V compounds, Group IV-VI compounds, Group I-III-VI compounds, Group II-IV-VI compounds, Group II-IV-V compounds, or any combination thereof; and ii) a polymer for hole injection or hole transport layer; and the polymer comprises, as polymerized units, at least one or more monomers having a first monomer structure comprising a) a polymerizable group, b) an electroactive group with formula NAr1Ar2Ar3 wherein Ar1, Ar2 and Ar3 independently are C6-C50 aromatic substituents, and (c) a linker group connecting the polymerizable group and the electroactive group.
    Type: Application
    Filed: June 26, 2017
    Publication date: October 31, 2019
    Inventors: Anatoliy N SOKOLOV, Brian GOODFELLOW, Robert David GRIGG, Liam P SPENCER, John W KRAMER, David D DEVORE, Sukrit MUKHOPADHYAY, Peter TREFONAS, III
  • Patent number: 10454036
    Abstract: The present invention relates to a polymeric charge transfer layer comprising a polymer and a p-dopant. The polymer comprises as polymerized units, Monomer A, Monomer B, and Monomer C crosslinking agent. The present invention further relates to an organic electronic device, especially an organic light emitting device containing the polymeric charge transfer layer.
    Type: Grant
    Filed: January 8, 2015
    Date of Patent: October 22, 2019
    Assignees: Dow Global Technologies LLC, Rohm and Haas Electronic Materials Korea Ltd., Rohm and Haas Electronic Materials LLC
    Inventors: Liam P. Spencer, Hong-Yeop Na, Yoo-Jin Doh, Chun Liu, Minrong Zhu, Jichang Feng, Zhengming Tang, Shaoguang Feng, Kenneth L. Kearns, Jr., Timothy De Vries, Sukrit Mukhopadhyay, John W. Kramer, Peter Trefonas, III, David D. Devore, William H. H. Woodward
  • Publication number: 20190252618
    Abstract: Provided is an organic light-emitting diode comprising a substrate, an anode layer, optionally one or more hole injection layers, one or more hole transport layers, optionally one or more electron blocking layers, an emitting layer, optionally one or more hole blocking layers, optionally one or more electron transport layers, an electron injection layer, and a cathode, wherein either the hole injection layer, or the hole transport layer, or both of the hole injection layer and the hole transport layer, or layer that functions as both a hole injection layer and a hole transport layer, comprises a polymer that comprises one or more triaryl aminium radical cations having the structure (S1) wherein each of R11, R12, R13, R14, R15, R21, R22, R23, R24, R25, R31, R32, R33, R34, and R35 is independently selected from the group consisting of hydrogen, deuterium halogens, amine groups, hydroxyl groups, sulfonate groups, nitro groups, and organic groups, wherein two or more of R11, R12, R13, R14, R15, R21, R22, R23, R24
    Type: Application
    Filed: October 20, 2017
    Publication date: August 15, 2019
    Inventors: Robert David Grigg, Liam P. Spencer, John W. Kramer, David D. Devore, Brian Goodfellow, Chun Liu, Sukrit Mukhopadhyay, Thomas H. Peterson, William H. H. Woodward, Anatoliy N. Sokolov
  • Publication number: 20190207169
    Abstract: A method for producing an organic charge transporting film. The method comprises steps of: (a) applying to a substrate a first polymer resin which has substituents which are sulfonic acids, sulfonic acid salts or esters of sulfonic acids; and (b) applying over the first polymer resin a second polymer resin having Mw at least 3,000 and comprising arylmethoxy linkages.
    Type: Application
    Filed: June 28, 2016
    Publication date: July 4, 2019
    Inventors: Chun LIU, Peter TREFONAS, Shaoguang FENG, Yang LI, Minrong ZHU, Robert David GRIGG, Liam P. SPENCER, David D. DEVORE, Ashley INMAN, Emad AQAD
  • Publication number: 20190207115
    Abstract: A polymer which has Mn at least 4,000 and comprises polymerized units of a compound of formula NAr1A2A3, wherein Ar1, Ar2 and Ar3 independently are C6-C40 aromatic substituents; Ar1, Ar2 and Ar3 collectively contain no more than one nitrogen atom and at least one of Ar1, Ar2 and Ar3 contains a vinyl group attached to an aromatic ring.
    Type: Application
    Filed: June 28, 2016
    Publication date: July 4, 2019
    Inventors: Robert David GRIGG, Liam P. Spencer, John W. Kramer, Chun Liu, David D. Devore, Shaoguang Feng, Jichang Feng, Minrong Zhu, Yang Li, Sukrit Mukhopadhyay, Anatoliy N. Sokolov, Matthew S. Remy, Peter Trefonas, Bethany Neilson
  • Publication number: 20190202975
    Abstract: A single liquid phase formulation useful for producing an organic charge transporting film. The formulation contains: (a) a polymer resin having Mw at least 3,000 and having arylmethoxy linkages; (b) an acid catalyst which is an organic Bronsted acid with pKa?4; a Lewis acid comprising a positive aromatic ion and an anion which is (i) a tetraaryl borate having the formula (I) wherein R represents zero to five non-hydrogen substituents selected from D, F and CF3, (ii) BF4?, (iii) PF6?, (iv) SbF6?, (v) AsF6? or (vi) ClO4?; or a thermal acid generator.
    Type: Application
    Filed: June 28, 2016
    Publication date: July 4, 2019
    Inventors: Chun LIU, Robert David GRIGG, Sukrit MUKHOPADHYAY, Matthew S. REMY, Liam P. SPENCER, Minrong ZHU, Yang LI, Shaoguang FENG, Kenneth L. KEARNS, Bruce M. BELL, Anthony P. GIES, Peter TREFONAS, David D. DEVORE, Emad AQAD, Ashley INMAN
  • Publication number: 20190198765
    Abstract: A single liquid phase formulation useful for producing an organic charge transporting film. The formulation contains: (a) a polymer having Mn at least 4,000 and comprising polymerized units of a compound of formula NAr1Ar2Ar3, wherein Ar1, Ar2 and Ar3 independently are C6-C50 aromatic substituents and at least one of Ar1, Ar2 and Ar3 contains a vinyl group attached to an aromatic ring; provided that said compound contains no arylmethoxy linkages; (b) an acid catalyst which is is an organic Bronsted acid with pKa?4; a Lewis acid comprising a positive aromatic ion and an anion which is (i) a tetraaryl borate having the formula (I) wherein R represents zero to five non-hydrogen substituents selected from D, F and CF3, (ii) BF4?, (iii) PF6?, (iv) SbF6?, (v) AsF6? or (vi) ClO4?; or a thermal acid generator.
    Type: Application
    Filed: June 28, 2016
    Publication date: June 27, 2019
    Inventors: David D. DEVORE, Yoo Jin DOH, Shaoguang FENG, David D. GRIGG, Yang LI, Chun LIU, Sukrit MUKHOPADHYAY, Hong-Yeop NA, Matthew S. REMY, Liam P. SPENCER, Anatoliy N. SOKOLOV, Peter TREFONAS, III, Minrong ZHU, Ashely INMAN, John W. KRAMER
  • Patent number: 10301412
    Abstract: The invention provides a molecular transition metal complex selected from Formula 1, as described herein; an ethylene-based polymer; and a process to form the ethylene-based polymer, said process comprising polymerizing ethylene in the presence of at least one molecular transition metal complex selected from Formula 1, as described herein, and wherein either Z1 or Z2 is dative covalent (coordinate) to the metal (M).
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: May 28, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Endre Szuromi, Liam P. Spencer
  • Patent number: 10297755
    Abstract: The invention provides compositions comprising BCB-functionalized materials for use in OLEDs applications. The inventive compositions can be used to form hole-transporting materials for use in electroluminescent devices. In particular, the invention provides for compositions, charge transport film layers, and light emitting devices, comprising, or formed from, a polymer, which comprises one or more polymerized units derived from Structure (A).
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: May 21, 2019
    Assignees: Dow Global Technologies LLC, Rohm and Haas Electronic Materials LLC
    Inventors: Liam P. Spencer, Nolan T. McDougal, Peter Trefonas, III, David D. Devore
  • Publication number: 20190148664
    Abstract: A polymer which has Mn at least 4,000 and comprises polymerized units of a compound of formula NAr1Ar2Ar3, wherein Ar1, Ar2 and Ar3 independently are C6-C50 aromatic substituents; Ar1, Ar2 and Ar3 collectively contain at least two nitrogen atoms and at least 9 aromatic rings; and at least one of Ar1, Ar2 and Ar3 contains a vinyl group attached to an aromatic ring.
    Type: Application
    Filed: June 28, 2016
    Publication date: May 16, 2019
    Inventors: David Robert GRIGG, Liam P. SPENCER, John W. KRAMER, Chun LIU, David D. DEVORE, Shaoguang FENG, Jichang FENG, Minrong ZHU, Yang LI, Sukrit MUKHOPADHYAY, Anatoliy N. SOKOLOV, Matthew S. REMY, Peter TREFONAS, Bethany NEILSON
  • Patent number: 10256410
    Abstract: A light emitting device comprising a polymeric charge transfer layer, wherein the polymeric charge transfer layer is formed from a composition comprising a polymer, said polymer comprising one or more polymerized units derived from Structure A, and one or more polymerized units derived from Structure (B), each as follows: A) a monomer having the Structure (A), as defined herein: and B) a monomer that comprises one or more dienophile moieties.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: April 9, 2019
    Assignees: Dow Global Technologies LLC, Rohm and Haas Electronic Materials LLC
    Inventors: Liam P. Spencer, Liang Hong, Chun Liu, Minrong Zhu, Jichang Feng, Jing Jing Yan, Zhengming Tang, Shaoguang Feng, Peter Trefonas, III, David D. Devore, Nolan T. McDougal