Patents by Inventor Pi-Fei Tsai

Pi-Fei Tsai 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: 11181778
    Abstract: The present invention provides a display device, including: a first chromatic light source configured to generate first chromatic light, a dichroic reflection layer disposed on a light emergent side of the first chromatic light source and allowing the first chromatic light to pass through, and a quantum dot layer. The dichroic reflection layer has a first surface facing away from the first chromatic light source, and the first surface has a plurality of recessed portions. The quantum dot layer includes a plurality of quantum dot blocks, and the quantum dot blocks are disposed corresponding to the recessed portions.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: November 23, 2021
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Ting-Yi Kuo, Han-Min Tsai, Pi-Fei Tsai, Hung-Chih Luan, Sheng-Hung Wang, He-Yuan Yang
  • Publication number: 20190250464
    Abstract: The present invention provides a display device, including: a first chromatic light source configured to generate first chromatic light, a dichroic reflection layer disposed on a light emergent side of the first chromatic light source and allowing the first chromatic light to pass through, and a quantum dot layer. The dichroic reflection layer has a first surface facing away from the first chromatic light source, and the first surface has a plurality of recessed portions. The quantum dot layer includes a plurality of quantum dot blocks, and the quantum dot blocks are disposed corresponding to the recessed portions.
    Type: Application
    Filed: January 22, 2019
    Publication date: August 15, 2019
    Inventors: Ting-Yi Kuo, Han-Min Tsai, Pi-Fei Tsai, Hung-Chih Luan, Sheng-Hung Wang, He-Yuan Yang