Patents by Inventor Wan Peter Hsu

Wan Peter Hsu 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).

  • Core-shell particles for electrophoretic display
    Patent number: 7382514
    Abstract: The invention relates to electrophoretic displays comprising core-shell pigment particles having a core of low specific gravity and low refractive index and a shell of high refractive index.
    Type: Grant
    Filed: November 28, 2005
    Date of Patent: June 3, 2008
    Assignee: Sipix Imaging, Inc.
    Inventors: Wan Peter Hsu, Huiyong Paul Chen, Denis Leroux, Zarng-Arh George Wu, Rong-Chang Liang
  • Electrophoretic dispersion with a fluorinated solvent and a charge controlling agent
    Patent number: 7110162
    Abstract: The invention relates to a novel electrophoretic dispersion comprising a fluorinated solvent as the continuous phase, charged pigment particles or pigment containing microcapsules as the dispersed phase, and the charge of the pigment particles is provided by a charge controlling agent comprising: (i) a soluble fluorinated electron accepting or proton donating compound or polymer in the continuous phase and an electron donating or proton accepting compound or polymer in the dispersed phase; or (ii) a soluble fluorinated electron donating or proton accepting compound or polymer in the continuous phase and an electron accepting or proton donating compound or polymer in the dispersed phase.
    Type: Grant
    Filed: December 31, 2002
    Date of Patent: September 19, 2006
    Assignee: SiPix Imaging, Inc.
    Inventors: Zarng-Arh George Wu, Huiyong Paul Chen, Wan Peter Hsu, Rongchi Yu, Mahmoud-Zohdi Armoush, Rong-Chang Liang
  • Electrophoretic display with improved temperature latitude and switching performance
    Patent number: 6958849
    Abstract: The invention is directed to a novel electrophoretic fluid composition for improving the temperature latitude and switching performance of an electrophoretic display, particularly at low operation temperatures.
    Type: Grant
    Filed: September 15, 2003
    Date of Patent: October 25, 2005
    Assignee: SiPix Imaging Inc.
    Inventors: Yajuan Chen, Jack Hou, Wan Peter Hsu, Rong-Chang Liang
  • Electrophoretic display with improved temperature latitude and switching performance
    Publication number: 20040169633
    Abstract: The invention is directed to a novel electrophoretic fluid composition for improving the temperature latitude and switching performance of an electrophoretic display, particularly at low operation temperatures.
    Type: Application
    Filed: September 15, 2003
    Publication date: September 2, 2004
    Inventors: Yajuan Chen, Jack Hou, Wan Peter Hsu, Rong-Chang Liang
  • Novel electrophoretic dispersion with a fluorinated solvent and a charge controlling agent
    Publication number: 20030169227
    Abstract: The invention relates to a novel electrophoretic dispersion comprising a fluorinated solvent as the continuous phase, charged pigment particles or pigment containing microcapsules as the dispersed phase, and the charge of the pigment particles is provided by a charge controlling agent comprising:
    Type: Application
    Filed: December 31, 2002
    Publication date: September 11, 2003
    Inventors: Zarng-Arh George Wu, Huiyong Paul Chen, Wan Peter Hsu, Rongchi Yu, Mahmoud-Zohdi Armoush, Rong-Chang Liang
  • Novel electrophoretic dispersion with a fluorinated solvent and a charge controlling agent
    Publication number: 20030164480
    Abstract: The invention relates to a novel electrophoretic dispersion comprising a fluorinated solvent as the continuous phase, charged pigment particles or pigment containing microcapsules as the dispersed phase, and the charge of the pigment particles is provided by a charge controlling agent comprising:
    Type: Application
    Filed: December 27, 2002
    Publication date: September 4, 2003
    Inventors: Zarng-Arh George Wu, Huiyong Paul Chen, Wan Peter Hsu, Rongchi Yu, Mahmoud-Zohdi Armoush, Rong-Chang Liang
  • Core-shell particles for electrophoretic display
    Publication number: 20030151029
    Abstract: The invention relates to electrophoretic displays comprising core-shell pigment particles having a core of low specific gravity and low refractive index and a shell of high refractive index.
    Type: Application
    Filed: February 10, 2003
    Publication date: August 14, 2003
    Inventors: Wan Peter Hsu, Paul Chen, Denis Leroux, Zarng-Arh George Wu, Rong-Chang Liang