Patents by Inventor HSUN-JEN CHANG

HSUN-JEN CHANG 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).

  • Manufacturing method of filling a resin into a housing, an LED digital display and the method of making the same
    Patent number: 9767718
    Abstract: A manufacturing method of filling a resin into a housing includes the steps of: providing a housing that has at least one recess, with the recess having first and second spaces, and the first space being disposed above the second space; inverting the housing; injecting a fluid into the recess to fill the first space, with the fluid having a viscosity coefficient and a surface tension less than those of water; and injecting a first resin into the recess, with the first resin having a specific gravity greater than that of the fluid, such that the first resin fills the first space and the fluid fills the second space.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: September 19, 2017
    Assignees: Lite-On Opto Technology (Changzhou) Co., Ltd., Lite-On Technology Corp.
    Inventors: Sung-Ming Wong, Kuo-Yun Huang, Hsun-Jen Chang
  • MANUFACTURING METHOD OF FILLING A RESIN INTO A HOUSING, AN LED DIGITAL DISPLAY AND THE METHOD OF MAKING THE SAME
    Publication number: 20170004745
    Abstract: A manufacturing method of filling a resin into a housing includes the steps of: providing a housing that has at least one recess, with the recess having first and second spaces, and the first space being disposed above the second space; inverting the housing; injecting a fluid into the recess to fill the first space, with the fluid having a viscosity coefficient and a surface tension less than those of water; and injecting a first resin into the recess, with the first resin having a specific gravity greater than that of the fluid, such that the first resin fills the first space and the fluid fills the second space.
    Type: Application
    Filed: March 3, 2016
    Publication date: January 5, 2017
    Inventors: SUN-MING WONG, KUO-YUN HUANG, HSUN-JEN CHANG