Patents by Inventor Jiyi Cheng

Jiyi Cheng 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).

  • High-speed binary laser beam shaping and scanning
    Patent number: 10401603
    Abstract: A device and method are for shaping and scanning an ultrafast laser beam. The device includes a laser source configured to output a pulsed laser beam containing different frequency spectrum, a digital micromirror device (DMD) consisting of micromirrors, which are configured to receive the laser beam and shape the received laser beam with computer generated holograms, and a dispersion compensation unit, arranged before or after the DMD, which is configured to transfer the laser beam from the laser source to the DMD with a designated angular dispersion for neutralizing the first angular dispersion introduced by the DMD.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: September 3, 2019
    Assignee: THE CHINESE UNIVERSITY OF HONG KONG
    Inventors: Shih-Chi Chen, Jiyi Cheng, Chenglin Gu, Dapeng Zhang
  • Roll-to-roll printing systems and methods for fabricating print roller
    Patent number: 9931664
    Abstract: A multiple degrees of freedom control apparatus for a roll-to-roll printing system.
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: April 3, 2018
    Assignee: THE CHINESE UNIVERSITY OF HONG KONG
    Inventors: Shih-Chi Chen, Xi Zhou, Jiyi Cheng
  • High-speed Binary Laser Beam Shaping and Scanning
    Publication number: 20170082845
    Abstract: A device for shaping and scanning an ultrafast laser beam including a laser source configured to output a pulsed laser beam containing different frequency spectrum; a digital micromirror device (DMD) consisting of a plurality of micromirrors, configured to receive the laser beam and shape the received laser beam with a first angular dispersion; and a dispersion compensation unit, arranged before or after the DMD, configured to transfer the laser beam from the laser source to the DMD with a second angular dispersion for neutralizing the first angular dispersion.
    Type: Application
    Filed: September 21, 2015
    Publication date: March 23, 2017
    Inventors: Shih-Chi Chen, Jiyi Cheng, Chenglin Gu, Dapeng Zhang
  • ROLL-TO-ROLL PRINTING SYSTEMS AND METHODS FOR FABRICATING PRINT ROLLER
    Publication number: 20150107514
    Abstract: A multiple degrees of freedom control apparatus for a roll-to-roll printing system.
    Type: Application
    Filed: October 18, 2013
    Publication date: April 23, 2015
    Applicant: The Chinese University of Hong Kong
    Inventors: Shih-Chi Chen, Xi Zhou, Jiyi Cheng
  • IMPRINTING APPARATUS AND METHOD FOR IMPRINTING
    Publication number: 20150108673
    Abstract: A micro-contact imprinting apparatus for transferring patterns of a stamp to a substrate.
    Type: Application
    Filed: October 18, 2013
    Publication date: April 23, 2015
    Applicant: The Chinese University of Hong Kong
    Inventors: Shih-Chi Chen, Jianwei Chen, Jiyi Cheng