Patents by Inventor Hyang Seong

Hyang Seong 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).

  • Display device including stacked capping layers
    Patent number: 11985846
    Abstract: A display device includes: a substrate; a display element on the substrate; a capping layer on the display element; and a thin film encapsulation layer on the capping layer, wherein the capping layer includes: a first capping layer on the display element; a second capping layer on the first capping layer, the second capping layer having a refractive index greater than that of the first capping layer; and a third capping layer on the second capping layer, the third capping layer having a refractive index smaller than that of the second capping layer, wherein the second capping layer has a thickness of 30 nanometers (nm) to 60 nm.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dal Ho Kim, Hee Seong Jeong, Won Ju Kwon, Sun Hwa Kim, Hyang Ki Sung, Na Ri Heo, Sang Min Hong
  • Luminescent efficiency of semiconductor nanocrystals by surface treatment
    Publication number: 20050051769
    Abstract: A method for improving the luminescent efficiency of semiconductor nanocrystals by surface treatment with a reducing agent to produce an improvement in luminescent efficiency and quantum efficiency without creating changes in the luminescent characteristics of the nanocrystals such as luminescence wavelengths and the distribution thereof.
    Type: Application
    Filed: February 25, 2004
    Publication date: March 10, 2005
    Inventors: Eun Jang, Shin Jun, Hyang Seong