Patents by Inventor David T. Sisk

David T. Sisk 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: 9978953
    Abstract: This disclosure relates to compounds for use in light-emitting devices are described herein. These compounds may include a biphenyl that includes four substituents, such as benzoxazolyl, benzothiazolyl, or benzimidazolyl substituents, such as a compound represented by Formula 1. These compounds can incorporated into a nanostructure material or a plurality of nanostructures, which can be useful for light-scattering or light-extraction, for example, to increase the efficiency of light-emitting devices.
    Type: Grant
    Filed: August 27, 2013
    Date of Patent: May 22, 2018
    Assignee: NITTO DENKO CORPORATION
    Inventor: David T. Sisk
  • Patent number: 9954184
    Abstract: Some embodiments provide a compound represented by Formula 1, wherein ET1, ET2 and ET3 are optionally substituted quinolinyl or optionally substituted quinoxalinyl; and wherein R1, R2, and R3 are independently selected from the group consisting of H, C1-3 alkyl, and C1-3 perfluoroalkyl. Other embodiments provide an organic electron transmission element and an organic light-emitting diode device comprising a compound of Formula 1.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: April 24, 2018
    Assignee: Nitto Denko Corporation
    Inventor: David T. Sisk
  • Patent number: 9917281
    Abstract: The present disclosure relates to an emissive construct, which can be used in various OLED applications, for example, top-emission white organic light-emitting diodes. The emissive construct can include an optional second fluorescent emissive layer having an emitter with a second T1, a first fluorescent emissive layer having an emitter with a first T1, the first T1 being greater than the second T1 value, a hole-blocking layer, and a phosphorescent emissive layer.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: March 13, 2018
    Assignee: Nitto Denko Corporation
    Inventors: Liping Ma, Shijun Zheng, David T. Sisk
  • Patent number: 9614162
    Abstract: Light-emitting devices comprising an fluorescent emissive layer, and three different phosphorescent emissive layers are described herein.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: April 4, 2017
    Assignee: Nitto Denko Corporation
    Inventors: Ma Liping, Shijun Zheng, David T. Sisk
  • Patent number: 9548458
    Abstract: Polyphenylene compounds such as compounds represented by Formula 1 may be used in electronic devices such as organic light-emitting devices. For example, the compounds may be used as host materials in a light-emitting layer.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: January 17, 2017
    Assignee: NITTO DENKO CORPORATION
    Inventors: Shijun Zheng, Liping Ma, Amane Mochizuki, Qianxi Lai, Sazzadur Rahman Khan, Sheng Li, Brett T. Harding, Hyunsik Chae, Rebecca Romero, David T. Sisk
  • Patent number: 9379336
    Abstract: Optionally substituted ambipolar naphthalene compounds useful in light-emitting devices are described, including without limitation 9-(3-(10-(3-(1-phenyl-1H-benzo[d]imidazol-2-yl)phenyl)anthracen-9-yl)phenyl)-9H-carbazole and 9-(3-(10-(3-(1-phenyl-1H-benzo[d]imidazol-2-yl)phenyl)anthracen-9-yl)phenyl)-9H-carbazole.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: June 28, 2016
    Assignee: NITTO DENKO CORPORATION
    Inventor: David T. Sisk
  • Patent number: 9373797
    Abstract: Included herein is the compound: and related compounds, and light-emitting devices comprising the same.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: June 21, 2016
    Assignee: NITTO DENKO CORPORATION
    Inventors: Shijun Zheng, Liping Ma, Amane Mochizuki, Qianxi Lai, Sazzadur Rahman Khan, Sheng Li, Brett T. Harding, Hyunsik Chae, Rebecca Romero, David T. Sisk
  • Patent number: 9328086
    Abstract: Optionally substituted bipyridine compounds, optionally substituted phenylbipyridine compounds, or optionally substituted bis-phenylbipyridine compounds may be useful in light-emitting devices.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: May 3, 2016
    Assignee: NITTO DENKO CORPORATION
    Inventors: David T. Sisk, Sazzadur Rahman Khan, Amane Mochizuki
  • Patent number: 9328094
    Abstract: Some substituted biaryl ring systems may be useful in light-emitting devices, such as those comprising a light-emitting diode. For example, substituted bipyridinyl or substituted phenylpyridinyl may be useful in these devices. The substituted biaryl ring system may have at least two different substituents, including one on each ring on the biaryl system. The first substituent may include optionally substituted carbazolyl, optionally substituted diphenylamine, optionally substituted diphenylaminophenyl, and optionally substituted carbazolylphenyl. The second substituent may include optionally substituted benzimidazol-2-yl, optionally substituted benzoxazol-2-yl, and an optionally substituted benzothiazol-2-yl.
    Type: Grant
    Filed: September 18, 2012
    Date of Patent: May 3, 2016
    Assignee: NITTO DENKO CORPORATION
    Inventors: Shijun Zheng, David T. Sisk, Jensen Cayas
  • Publication number: 20150364699
    Abstract: Some embodiments provide a compound represented by Formula 1, wherein ET1, ET2 and ET3 are optionally substituted quinolinyl or optionally substituted quinoxalinyl; and wherein R1, R2, and R3 are independently selected from the group consisting of H, C1-3 alkyl, and C1-3 perfluoroalkyl. Other embodiments provide an organic electron transmission element and an organic light-emitting diode device comprising a compound of Formula 1.
    Type: Application
    Filed: June 12, 2015
    Publication date: December 17, 2015
    Inventor: David T. Sisk
  • Patent number: 9172051
    Abstract: Polyphenylene compounds such as compounds represented by Formulas 1-28 may be used in electronic devices such as organic light-emitting devices. For example, the compounds may be used as host material in an emissive layer.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: October 27, 2015
    Assignee: Nitto Denko Corporation
    Inventors: Shijun Zheng, David T. Sisk, Liping Ma
  • Patent number: 9112159
    Abstract: Some embodiments provide a compound represented by Formula 1: wherein R1, R2, R3, R4, R5, R6, R7 and R8 are independently H, C1-C3 alkyl, or C1-3 perfluoroalkyl; HT is optionally substituted carbazoyl, optionally substituted phenylcarbazolyl, optionally substituted (phenylcarbazolyl)phenyl, optionally substituted phenylnaphthylamine, or optionally substituted diphenylamine; and ET optionally substituted benzimidazol-2-yl, optionally substituted benzothiazol-2-yl, optionally substituted benzoxazol-2-yl, optionally substituted 3,3?-bipyridin-5-yl, optionally substituted quinolin-8-yl, optionally substituted quinolin-5-yl, or optionally substituted quinoxalin-5-yl. Other embodiments provide an organic light-emitting diode device comprising a compound of Formula 1.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: August 18, 2015
    Assignee: Nitto Denko Corporation
    Inventors: David T. Sisk, Shijun Zheng
  • Publication number: 20150228932
    Abstract: The present disclosure relates to an emissive construct, which can be used in various OLED applications, for example, top-emission white organic light-emitting diodes. The emissive construct can include an optional second fluorescent emissive layer having an emitter with a second T1, a first fluorescent emissive layer having an emitter with a first T1, the first T1 being greater than the second T1 value, a hole-blocking layer, and a phosphorescent emissive layer.
    Type: Application
    Filed: September 5, 2013
    Publication date: August 13, 2015
    Inventors: Liping Ma, Shijun Zheng, David T. Sisk
  • Patent number: 9051284
    Abstract: Compounds useful in porous films for light extraction and/or light scattering in electronic devices, such as light-emitting devices, are described herein. These compounds may be represented by Formula 1, as described herein.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: June 9, 2015
    Assignee: NITTO DENKO CORPORATION
    Inventors: Shijun Zheng, Jensen Cayas, David T. Sisk
  • Publication number: 20150099890
    Abstract: Polyphenylene compounds such as compounds represented by Formula 1 may be used in electronic devices such as organic light-emitting devices. For example, the compounds may be used as host materials in a light-emitting layer.
    Type: Application
    Filed: December 12, 2014
    Publication date: April 9, 2015
    Inventors: Shijun Zheng, Liping Ma, Amane Mochizuki, Qianxi Lai, Sazzadur Rahman Khan, Sheng Li, Brett T. Harding, Hyunsik Chae, Rebecca Romero, David T. Sisk
  • Patent number: 8952364
    Abstract: Light-emitting devices are described herein.
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: February 10, 2015
    Assignee: Nitto Denko Corporation
    Inventors: Qianxi Lai, Shijun Zheng, David T. Sisk, Amane Mochizuki
  • Patent number: 8933243
    Abstract: Polyphenylene compounds such as compounds represented by Formula I may be used in electronic devices such as organic light-emitting devices. For example, the compounds may be used as host materials in a light-emitting layer.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: January 13, 2015
    Assignee: Nitto Denko Corporation
    Inventors: Shijun Zheng, Liping Ma, Amane Mochizuki, Qianxi Lai, Sazzadur Rahman Khan, Sheng Li, Brett T. Harding, Hyunsik Chae, Rebecca Romero, David T. Sisk
  • Patent number: 8895157
    Abstract: Optionally substituted bispyridinylbenzene compounds useful in light-emitting devices include, but are not limited to, 1,3-bis(5-(9H-carbazol-9-yl)pyridin-3-yl)benzene and 9,9?-(5,5?-(5-methyl-1,3-phenylene)bis(pyridine-5,3-diyl))bis(9H-carbazole).
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: November 25, 2014
    Assignee: Nitto Denko Corporation
    Inventors: Shijun Zheng, Rebecca Romero, David T. Sisk
  • Patent number: 8845095
    Abstract: Described herein are devices, compositions, and methods for improving color discernment.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: September 30, 2014
    Assignee: Nitto Denko Corporation
    Inventors: Brett T. Harding, Sheng Li, Amane Mochizuki, David T. Sisk
  • Publication number: 20140167014
    Abstract: Light-emitting devices comprising an fluorescent emissive layer, and three different phosphorescent emissive layers are described herein.
    Type: Application
    Filed: December 17, 2013
    Publication date: June 19, 2014
    Applicant: Nitto Denko Corporation
    Inventors: Ma Liping, Shijun Zheng, David T. Sisk