Patents by Inventor Chia-Hung Chan

Chia-Hung Chan 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).

  • Backlight module and related manufacturing method and operation interface
    Patent number: 8866749
    Abstract: A backlight module for an operation interface of a portable electronic device is disclosed. The operation interface includes at least one keypad. The backlight module includes a light guide film including at least one hole corresponding to the at least one keypad, a backlight board installed in the bottom of the light guide film for reflecting light, and a light emitting unit installed in a side of the light guide film for generating light source to inside of the light guide film, wherein the at least one hole of the light guide film is filled with a phosphor material.
    Type: Grant
    Filed: May 4, 2009
    Date of Patent: October 21, 2014
    Assignee: Wistron Corporation
    Inventors: Chih-Feng Yeh, Cheng-Ju Lee, Chia-Hung Chan
  • Backlight Module and Related Manufacturing Method and Operation Interface
    Publication number: 20100164874
    Abstract: A backlight module for an operation interface of a portable electronic device is disclosed. The operation interface includes at least one keypad. The backlight module includes a light guide film including at least one hole corresponding to the at least one keypad, a backlight board installed in the bottom of the light guide film for reflecting light, and a light emitting unit installed in a side of the light guide film for generating light source to inside of the light guide film, wherein the at least one hole of the light guide film is filled with a phosphor material.
    Type: Application
    Filed: May 4, 2009
    Publication date: July 1, 2010
    Inventors: Chih-Feng Yeh, Cheng-Ju Lee, Chia-Hung Chan