Patents by Inventor Ronald Sik Hung Yuen

Ronald Sik Hung Yuen 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).

  • Flexible LED screen
    Patent number: 9936561
    Abstract: A flexible LED screen includes a flexible printed circuit board having a front surface and a rear surface, a plurality of SMT-LEDs mounted on the front surface of the flexible printed circuit board, and a plurality of integrated circuits mounted on the rear surface of the flexible printed circuit board.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: April 3, 2018
    Inventor: Ronald Sik Hung Yuen
  • Flexible LED Screen
    Publication number: 20160095183
    Abstract: A flexible LED screen includes a flexible printed circuit board having a front surface and a rear surface, a plurality of SMT-LEDs mounted on the front surface of the flexible printed circuit board, and a plurality of integrated circuits mounted on the rear surface of the flexible printed circuit board.
    Type: Application
    Filed: December 2, 2015
    Publication date: March 31, 2016
    Inventor: Ronald Sik Hung Yuen
  • Flexible LED screen
    Patent number: 9237652
    Abstract: A flexible LED screen includes a flexible printed circuit board having a front surface and a rear surface, a plurality of SMT-LEDs mounted on the front surface of the flexible printed circuit board, and a plurality of integrated circuits mounted on the rear surface of the flexible printed circuit board.
    Type: Grant
    Filed: June 20, 2008
    Date of Patent: January 12, 2016
    Inventors: Ronald Sik Hung Yuen, Haoran Wang
  • FLEXIBLE DISPLAY SCREEN
    Publication number: 20100265668
    Abstract: A flexible display screen includes a plurality of flexible display modules joined side by side, each flexible display module having a flexible circuit board, which is fixedly arranged with a plurality of display chips on its front face, and a plurality of magnets on its back face, so that the flexible display screen can be attracted on a metal medium by the magnets, wherein the magnets are distributed at least on the perimeter of the back face of the flexible circuit board so that the joining sides of two adjoining flexible circuit boards are arranged respectively and symmetrically with a same number of magnets, and each pair of magnets disposed on the respective joining sides having opposite polarity orientations.
    Type: Application
    Filed: November 23, 2009
    Publication date: October 21, 2010
    Inventors: Ronald Sik Hung Yuen, Haoran Wang, Kenny Wing Yip Chow
  • Flexible LED Screen
    Publication number: 20080316153
    Abstract: A flexible LED screen includes a flexible printed circuit board having a front surface and a rear surface, a plurality of SMT-LEDs mounted on the front surface of the flexible printed circuit board, and a plurality of integrated circuits mounted on the rear surface of the flexible printed circuit board.
    Type: Application
    Filed: June 20, 2008
    Publication date: December 25, 2008
    Inventors: Ronald Sik Hung Yuen, Haoran Wang