Patents by Inventor Hwei-Lang Chang

Hwei-Lang Chang 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: 8414975
    Abstract: Disclosed is a method and apparatus for continuous coating with a rotational die in which coating materials flow in a radial direction. The linear speed of a substrate in need of coating is identical to the tangential speed of the surface of the rotational die so that the coating material, which flows in a radial direction of the rotational die, flows onto the substrate perpendicularly. Therefore, the ingredients of coating materials overlap one another (or stand vertically as a layer), and the vertical sequence of the coating material is ensured. This method and apparatus can be used to make organic electronic devices, organic light-emitting diodes and organic photovoltaic devices. Particularly, this method and apparatus can be used in bulk-hetero-junction of mixed coating of P-type and N-type semiconductors.
    Type: Grant
    Filed: December 14, 2009
    Date of Patent: April 9, 2013
    Assignee: Atomic Energy Council—Institute of Nuclear Energy Research
    Inventors: Hwei-Lang Chang, Zone-Sure Chang
  • Publication number: 20120255492
    Abstract: An apparatus provides large area atmospheric pressure plasma enhanced chemical vapor deposition without contaminations in its electrode assembly and deposited films. The apparatus consists of a large area vertical planar nitrogen plasma activation electrode assembly and its high voltage power supply, a large area vertical planar nitrogen plasma deposition electrode assembly and its high voltage power supply, a long-line uniform precursor jet apparatus, a roll-to-roll apparatus for substrate movement, and a sub-atmospheric pressure deposition chamber and its pumping apparatus.
    Type: Application
    Filed: April 6, 2011
    Publication date: October 11, 2012
    Applicant: ATOMIC ENERGY COUNCIL-INSTITUTE OF NUCLEAR ENETGY RESEARCH
    Inventors: Mien-Win Wu, Ding-Guey Tsai, Hwei-Lang Chang, Deng-Lain Lin, Cheng-Chang Hsieh, Chi-Fong Ai
  • Patent number: 7883654
    Abstract: Two catalyst electrode layers (CEL) are separately formed on two surfaces of a proton exchange membrane (PEM). The structure and processes are simple in the present invention for obtaining a membrane exchange assembly (MEA) with its thickness controllable. The MEA obtained can have a structure of CEL+PEM+CEL?. If a gas diffusion layer (GDL) is added before obtaining the CEL, a MEA having a structure of GDL+CEL+PEM+CEL?+GDL? is obtained.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: February 8, 2011
    Assignee: Atomic Energy Council-Institute of Nuclear Energy Research
    Inventors: Hwei-Lang Chang, Hen-Rong Chang, Kuo-Lon Shieh, Pi-Hsin Chung
  • Publication number: 20100285220
    Abstract: Disclosed is a method and apparatus for continuous coating with a rotational die in which coating materials flow in a radial direction. The linear speed of a substrate in need of coating is identical to the tangential speed of the surface of the rotational die so that the coating material, which flows in a radial direction of the rotational die, flows onto the substrate perpendicularly. Therefore, the ingredients of coating materials overlap one another (or stand vertically as a layer), and the vertical sequence of the coating material is ensured. This method and apparatus can be used to make organic electronic devices, organic light-emitting diodes and organic photovoltaic devices. Particularly, this method and apparatus can be used in bulk-hetero-junction of mixed coating of P-type and N-type semiconductors.
    Type: Application
    Filed: December 14, 2009
    Publication date: November 11, 2010
    Applicant: ATOMIC ENERGY COUNCIL-INSTITUTE OF NUCLEAR ENERGY RESEARCH
    Inventors: Hwei-Lang Chang, Zone-Sure Chang
  • Publication number: 20080193820
    Abstract: A proton exchange membrane (PEM) is made. The PEM has a high relational selective coefficient. This means the PEM of the present invention can better confine methanol yet still remains good methanol conducting capacity. The present invention has an easy fabrication process with no additional material needed. And the present invention can be used in a fuel cell like DMFC or H01M008/10.
    Type: Application
    Filed: February 9, 2007
    Publication date: August 14, 2008
    Applicant: ATOMIC ENERGY COUNCIL-INSTITUTE OF NUCLEAR ENERGY RESEARCH
    Inventors: Hwei-Lang Chang, Chen-Si Tsao, Hen-Rong Chang, Kuo-Lon Shieh, Pi-Hsin Cheng
  • Patent number: 7378172
    Abstract: Electrode catalyst slurry and a tubular conductive layer with leading wire are adhered on the inner and outside surface of a tubular proton membrane to be heated and pressed, where the leading wire of the tubular conductive layer and a conductive coating are formed into a whole without electroplating while avoiding the characteristic change of the electrode catalyst; and where the leading wire is led along the surface of the membrane with the characteristics of avoiding jamming the spindle space and of no side floss.
    Type: Grant
    Filed: May 9, 2005
    Date of Patent: May 27, 2008
    Assignee: Atomic Energy Council - Institute of Nuclear Energy Research
    Inventors: Hwei-Lang Chang, Hen-Rong Chang, Kuo-Lon Shieh, Pi-Hsin Chung
  • Publication number: 20060251942
    Abstract: Electrode catalyst slurry and a tubular conductive layer with leading wire are adhered on the inner and outside surface of a tubular proton membrane to be heated and pressed, where the leading wire of the tubular conductive layer and a conductive coating are formed into a whole without electroplating while avoiding the characteristic change of the electrode catalyst; and where the leading wire is led along the surface of the membrane with the characteristics of avoiding jamming the spindle space and of no side floss.
    Type: Application
    Filed: May 9, 2005
    Publication date: November 9, 2006
    Inventors: Hwei-Lang Chang, Hen-Rong Chang, Kuo-Lon Shieh, Pi-Hsin Chung