Patents by Inventor Yaoan Ye

Yaoan Ye 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).

  • Multi-color illuminated sign
    Patent number: 7220019
    Abstract: The multi-color illuminated sign displays an indicia or house address number in changing sequence of colors. The back lighting is provided by three groups of plurality of light emitting diodes. One group of the light emitting diodes is operative to generate a primary blue light, a second group of light emitting diodes is operative to generate a primary green light, and a third group of light emitting diodes is operative to generate a primary red light. Varying combinations of these primary lights produces a plurality of color back lighting which are reflected and refracted by various reflective and refractive patterns to enhance the visibility and aesthetic appearance of the indicia.
    Type: Grant
    Filed: May 5, 2005
    Date of Patent: May 22, 2007
    Inventors: Tin Fu Cheung, Yaoan Ye
  • Multi-color illuminated sign
    Publication number: 20060248761
    Abstract: The multi-color illuminated sign displays an indicia or house address number in changing sequence of colors. The back lighting is provided by three groups of plurality of light emitting diodes. One group of the light emitting diodes is operative to generate a primary blue light, a second group of light emitting diodes is operative to generate a primary green light, and a third group of light emitting diodes is operative to generate a primary red light. Varying combinations of these primary lights produces a plurality of color back lighting which are reflected and refracted by various reflective and refractive patterns to enhance the visibility and aesthetic appearance of the indicia.
    Type: Application
    Filed: May 5, 2005
    Publication date: November 9, 2006
    Inventors: Tin Cheung, Yaoan Ye