Patents by Inventor Shijun Zheng

Shijun Zheng 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).

  • SUBSTITUTED BIPYRIDINES FOR USE IN LIGHT-EMITTING DEVICES
    Publication number: 20140014883
    Abstract: A compound represented by Formula 1 Het1-Bpy-Het2 is disclosed, wherein Bpy is optionally substituted 2,2?-bipyridinyl or optionally substituted 3,3?-bipyridinyl; and Het1 and Het2 are independently optionally substituted benzimidazol-2-yl or optionally substituted benzoxazol-2-yl. An organic light-emitting diode device comprising an organic component comprising a light-emitting component and a compound represented by Formula 1 is also disclosed.
    Type: Application
    Filed: September 10, 2013
    Publication date: January 16, 2014
    Inventor: Shijun Zheng
  • Hybrid composite emissive construct and light-emitting devices using the same
    Patent number: 8604689
    Abstract: Emissive constructs having three emissive layers, each having the same fluorescent host are described. At least one of the layers further includes a phosphorescent dopant. Light-emitting devices including these emissive constructs are also described.
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: December 10, 2013
    Assignee: Nitto Denko Corporation
    Inventors: Liping Ma, Shijun Zheng, Qianxi Lai, Amane Mochizuki
  • Compounds for organic light emitting diode emissive layers
    Patent number: 8586205
    Abstract: Disclosed herein are compounds represented by a formula: Wherein Ar1, Cb, Ph1, Het1, and A are described herein. Compositions and light-emitting devices related thereto are also disclosed.
    Type: Grant
    Filed: September 15, 2010
    Date of Patent: November 19, 2013
    Assignee: Nitto Denko Corporation
    Inventors: Shijun Zheng, David T. Sisk, Brett T. Harding, Jensen Cayas, Sheng Li, Amane Mochizuki, Hyunsik Chae, Sazzadur Rahman Khan, Liping Ma, Rebecca Bottger
  • Substituted bipyridines for use in light-emitting devices
    Patent number: 8585926
    Abstract: A compound represented by Formula 1 Het1-Bpy-Het2 is disclosed, wherein Bpy is optionally substituted 2,2?-bipyridinyl or optionally substituted 3,3?-bipyridinyl; and Het1 and Het2 are independently optionally substituted benzimidazol-2-yl or optionally substituted benzoxazol-2-yl. An organic light-emitting diode device comprising an organic component comprising a light-emitting component and a compound represented by Formula 1 is also disclosed.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: November 19, 2013
    Assignee: Nitto Denko Corporation
    Inventor: Shijun Zheng
  • EMISSIVE ARYL-HETEROARYL COMPOUNDS
    Publication number: 20130284907
    Abstract: Disclosed herein are compounds represented by Formula 1, wherein R1, Ar1, X, Ar2, Ar3, and Het are described herein. Compositions and light-emitting devices related thereto are also disclosed.
    Type: Application
    Filed: June 24, 2013
    Publication date: October 31, 2013
    Inventors: Shijun Zheng, Jensen Cayas, Sheng Li, Amane Mochizuki, Hyun Sik Chae, Brett T. Harding
  • PHOTOREFRACTIVE COMPOSITION RESPONSIVE TO MULTIPLE LASER WAVELENGTHS ACROSS THE VISIBLE LIGHT SPECTRUM
    Publication number: 20130128339
    Abstract: Described herein are compositions that are photorefractive upon irradiation by multiple laser wavelengths across the visible light spectrum. Embodiments of the photorefractive composition comprise a polymer, a chromophore, and a sensitizer, wherein the polymer comprises a repeating unit including at least a moiety selected from the group consisting of the formulae (Ia), (Ib) and (Ic), as defined herein. The photorefractive composition can be used in optical devices.
    Type: Application
    Filed: August 5, 2010
    Publication date: May 23, 2013
    Applicant: NITTO DENKO CORPORATION
    Inventors: Tao Gu, Mohanalingam Kathaperumal, Rachwal Bogumila, Joshua Tillema, Ozair Siddiqui, Peng Wang, Weiping Lin, Donald Flores, Zongcheng Jiang, Shijun Zheng, Michiharu Yamamoto
  • Compounds for use in light-emitting devices
    Patent number: 8426040
    Abstract: Compounds including optionally substituted Ring Systems 1-4 are described. These compounds may be used as hosts in light-emitting devices. A light-emitting device comprising a compound selected from optionally substituted Ring Systems 1-4 is also described.
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: April 23, 2013
    Assignee: Nitto Denko Corporation
    Inventors: Shijun Zheng, Liping Ma, Amane Mochizuki
  • Emissive diaryl acetylenes
    Patent number: 8420235
    Abstract: Disclosed herein are compounds represented by a formula: Compositions and light-emitting devices related thereto are also disclosed.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: April 16, 2013
    Assignee: Nitto Denko Corporation
    Inventor: Shijun Zheng
  • Emissive triaryls
    Patent number: 8354668
    Abstract: Disclosed herein are compounds represented by Formula 1. Compositions and light-emitting devices related thereto are also disclosed.
    Type: Grant
    Filed: June 29, 2010
    Date of Patent: January 15, 2013
    Assignee: Nitto Denko Corporation
    Inventors: Shijun Zheng, Jensen Cayas, Sheng Li, Amane Mochizuchi, Hyunsik Chae
  • Emissive aryl-heteroaryl acetylenes
    Patent number: 8323805
    Abstract: Disclosed herein are compounds represented by a formula: R1—O-A-C?C-D, where R1, A, and D are defined as described herein. Compositions and light-emitting devices related thereto are also disclosed.
    Type: Grant
    Filed: May 26, 2010
    Date of Patent: December 4, 2012
    Assignee: Nitto Denko Corporation
    Inventors: Shijun Zheng, Jensen Cayas, Sheng Li, Amane Mochizuki, Hyunsik Chae
  • POROUS FILMS FOR USE IN LIGHT-EMITTING DEVICES
    Publication number: 20120223635
    Abstract: Some porous films, such as organic non-polymeric porous films, may be useful for light outcoupling to increase light-emitting device efficiency. They may also be used for light scattering in other devices and for other applications related to the transfer of light.
    Type: Application
    Filed: March 2, 2012
    Publication date: September 6, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Amane Mochizuki, Liping Ma, Shijun Zheng, Sazzadur Rahman Khan, Sheng Li, Qianxi Lai, David T. Sisk, Brett Harding
  • COMPOUNDS FOR POROUS FILMS IN LIGHT-EMITTING DEVICES
    Publication number: 20120226046
    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: Application
    Filed: March 2, 2012
    Publication date: September 6, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Shijun Zheng, Jensen Cayas, David T. Sisk
  • SUBSTITUTED BIPYRIDINES FOR USE IN LIGHT-EMITTING DEVICES
    Publication number: 20120223275
    Abstract: Some substituted biaryl ring systems may be useful in light-emitting devices, such as those comprising a light-emitting diode. Some examples may include optionally substituted 2,2?-bipyridinyl or optionally substituted 3,3?-bipyridinyl. Each ring of these bipyridinyl systems may have an optionally substituted benzimidazol-2-yl substituent or optionally substituted benzoxazol-2-yl substituent, as well as other substituents.
    Type: Application
    Filed: March 2, 2012
    Publication date: September 6, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventor: Shijun Zheng
  • HOST MATERIAL FOR LIGHTING DEVICES
    Publication number: 20120193614
    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: Application
    Filed: January 27, 2012
    Publication date: August 2, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Shijun Zheng, Rebecca Romero, David T. Sisk
  • PHOTOTHERAPY DEVICES AND METHODS COMPRISING OPTIONALLY SUBSTITUTED TERPHENYL AND QUATERPHENYL COMPOUNDS
    Publication number: 20120197179
    Abstract: Methods and devices related to the treatment of diseases using phototherapy are described. Some embodiments provide an organic light-emitting diode device, such as a light-emitting device for phototherapy, comprising Ring system 1, Ring system 2, Ring system 3, or Ring system 4. Methods of treating disease with phototherapy are also described.
    Type: Application
    Filed: January 26, 2012
    Publication date: August 2, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Sazzadur Rahman Khan, Shijun Zheng, Amane Mochizuki, Liping Ma
  • HYBRID COMPOSITE EMISSIVE CONSTRUCT AND LIGHT-EMITTING DEVICES USING THE SAME
    Publication number: 20120121933
    Abstract: Emissive constructs having three emissive layers, each having the same fluorescent host are described. At least one of the layers further includes a phosphorescent dopant. Light-emitting devices including these emissive constructs are also described.
    Type: Application
    Filed: November 10, 2011
    Publication date: May 17, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Liping Ma, Shijun Zheng, Qianxi Lai, Amane Mochizuki
  • PHOTOTHERAPY METHODS AND DEVICES COMPRISING EMISSIVE ARYL-HETEROARYL COMPOUNDS
    Publication number: 20120015998
    Abstract: Disclosed herein are compounds represented by a formula: R1—Ar1—X—Ar2—Ar3-Het, wherein R1, Ar1, X, Ar2, Ar3, and Het are described herein. Compositions and light-emitting devices related thereto are also disclosed.
    Type: Application
    Filed: July 11, 2011
    Publication date: January 19, 2012
    Applicant: Nitto Denko Corporation
    Inventors: Amane Mochizuki, Sazzadur Rahman Khan, Sheng Li, Shijun Zheng, Jensen Cayas, Keisaku Okada, Brett T. Harding
  • PHOTOTHERAPY DEVICES AND METHODS COMPRISING SUBSTITUTED CARBAZOLE COMPOUNDS
    Publication number: 20120016449
    Abstract: Methods and devices related to the treatment of diseases using phototherapy are described. Some embodiments provide an organic light-emitting diode device, such as a light-emitting device for phototherapy, comprising a compound of Formula 1. Methods of treating disease diseases with phototherapy are also described.
    Type: Application
    Filed: July 15, 2011
    Publication date: January 19, 2012
    Applicant: Nitto Denko Corporation
    Inventors: Amane Mochizuki, Sazzadur Rahman Khan, Shijun Zheng, Keisaku Okada
  • LYOTROPIC LIQUID CRYSTAL SYSTEMS BASED ON AROMATIC TETRACARBOXYLIC BISBENZOIMIDAZOLE DERIVATIVES AND METHODS FOR MAKING
    Publication number: 20110317102
    Abstract: Compounds derived from aromatic tetracarboxyl bisbenzoimidazoles are disclosed. These compounds are capable of forming liquid crystal systems that can produce optically isotropic or anisotropic films with desirable optical properties. Formulae (I) or (II), or a salt thereof; wherein y is an integer in the range from 0 to about 4.
    Type: Application
    Filed: February 24, 2010
    Publication date: December 29, 2011
    Applicant: NITTO DENKO CORPORATION
    Inventors: Robert Ramirez, Shijun Zheng, Zongcheng Jiang, Shuangxi Wang, Michiharu Yamamoto
  • POLYPHENYLENE HOST COMPOUNDS
    Publication number: 20110251401
    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: Application
    Filed: June 22, 2011
    Publication date: October 13, 2011
    Applicant: Nitto Denko Corporation
    Inventors: Shijun Zheng, Rebecca Bottger