Patents by Inventor Jih-Cheng Yang

Jih-Cheng Yang 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).

  • PATTERNED SUBSTRATE FOR LIGHT EMITTING DIODE
    Publication number: 20200075806
    Abstract: This invention relates to a patterned substrate for light emitting diodes. The patterned substrate includes a surface having a plurality of cones, wherein each cones includes three smooth conical surfaces and three rough surfaces. The smooth conical surfaces and the rough surfaces are alternately arranged with respect to each other.
    Type: Application
    Filed: August 29, 2018
    Publication date: March 5, 2020
    Inventors: Jih-Cheng Yang, R-Hau Yang
  • Patterned substrate for light emitting diode
    Patent number: 10553753
    Abstract: This invention relates to a patterned substrate for light emitting diode. The patterned substrate includes a surface having a plurality of protrusive structures, wherein each of the protrusive structures includes an upper portion and a lower portion. The surface of the lower portion is a conical surface, and has at least one first zone and at least one second zone. The first zone and the second zone are alternately arranged, wherein the first zone has one or more first projections.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: February 4, 2020
    Assignee: Good Mass International Co., Ltd.
    Inventors: Jih-Cheng Yang, R-Hau Yang
  • Patterned Substrate for Light Emitting Diode
    Publication number: 20170045205
    Abstract: This invention relates to a patterned substrate for light emitting diode. The patterned substrate includes a surface having a plurality of protrusive structures, wherein each of the protrusive structures includes an upper portion and a lower portion. The surface of the lower portion is a conical surface, and has at least one first zone and at least one second zone. The first zone and the second zone are alternately arranged, wherein the first zone has one or more first projections.
    Type: Application
    Filed: August 4, 2016
    Publication date: February 16, 2017
    Inventors: Jih-Cheng Yang, R-Hau Yang