Patents by Inventor Li-Jung Yu

Li-Jung Yu 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: 8684579
    Abstract: An electronic device includes a display module, a base and a keyboard module. The display module is pivoted on the base. The keyboard module is disposed on the base. The keyboard module has a plurality of keys. Each of the keys includes a main body and an imprinted structure. The main body has a top surface. The imprinted structure is disposed on the top surface of the main body and includes a light guiding portion and a light scattering portion. A light emitted by the display module illuminates the keyboard module. The light is guided towards a specific direction when the light passes through the light guiding portion, and the light is scattered in other directions when the light passes through the light scattering portion.
    Type: Grant
    Filed: May 22, 2012
    Date of Patent: April 1, 2014
    Assignee: Compal Electronics, Inc.
    Inventors: Wan-Li Chuang, Chien-Min Chang, Li-Jung Yu, Mei-Hsiung Tsai, Yung-Ching Chang, Ju-Chen Chiu
  • Publication number: 20130265799
    Abstract: An electronic device includes a display module, a base and a keyboard module. The display module is pivoted on the base. The keyboard module is disposed on the base. The keyboard module has a plurality of keys. Each of the keys includes a main body and an imprinted structure. The main body has a top surface. The imprinted structure is disposed on the top surface of the main body and includes a light guiding portion and a light scattering portion. A light emitted by the display module illuminates the keyboard module. The light is guided towards a specific direction when the light passes through the light guiding portion, and the light is scattered in other directions when the light passes through the light scattering portion.
    Type: Application
    Filed: May 22, 2012
    Publication date: October 10, 2013
    Applicant: COMPAL ELECTRONICS, INC.
    Inventors: Wan-Li Chuang, Chien-Min Chang, Li-Jung Yu, Mei-Hsiung Tsai, Yung-Ching Chang, Ju-Chen Chiu
  • Publication number: 20120088074
    Abstract: A workpiece with three-dimensional pattern having a three-dimensional surface and suitable for an electronic device is provided. A multiple three-dimensional micro patterns formed on the three-dimensional surface reflects an environment light to form images with a visual effect. The workpiece with three-dimensional pattern includes a workpiece and an adhesive layer. The adhesive layer is disposed on the workpiece and impressed to form the multiple three-dimensional micro patterns, and the workpiece is punched to form the three-dimensional surface. A first part of the multiple three-dimensional micro patterns on the three-dimensional surface reflects the environment light to form a first reflecting light beam. A second part of the multiple three-dimensional micro patterns on the three-dimensional surface reflects the environment light to form a second reflecting light beam.
    Type: Application
    Filed: December 19, 2011
    Publication date: April 12, 2012
    Applicant: COMPAL ELECTRONICS, INC.
    Inventors: Wan-Li Chuang, Chien-Min Chang, Li-Jung Yu, Yung-Ching Chang, Ying-Ching Chen, Tsung-Sheng Chuang