Patents by Inventor ZHE-KAI HE

ZHE-KAI HE 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: 9803811
    Abstract: The present invention provides a method for producing high-quality light, wherein this high-quality light producing method consists of a plurality of particularly-designed process steps based on the sensitivity of human eyes and the melatonin suppression. So that, research and development engineers of lighting devices are able to manufacture a high-quality lighting unit or module through this novel method. Moreover, a variety of experimental data have proved that, the high-quality lighting unit produced by using this novel method is able to perform the advantages of high SRI (Spectrum Resemblance Index) and low MLT (Melatonin) suppression rate.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: October 31, 2017
    Assignee: National Tsing Hua University
    Inventors: Jwo-Huei Jou, Zhe-Kai He
  • Publication number: 20170211755
    Abstract: The present invention provides a method for producing high-quality light, wherein this high-quality light producing method consists of a plurality of particularly-designed process steps based on the sensitivity of human eyes and the melatonin suppression. So that, research and development engineers of lighting devices are able to manufacture a high-quality lighting unit or module through this novel method. Moreover, a variety of experimental data have proved that, the high-quality lighting unit produced by using this novel method is able to perform the advantages of high SRI (Spectrum Resemblance Index) and low MLT (Melatonin) suppression rate.
    Type: Application
    Filed: March 31, 2016
    Publication date: July 27, 2017
    Inventors: JWO-HUEI JOU, ZHE-KAI HE