Patents by Inventor Zhiwei NIAN

Zhiwei NIAN 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).

  • OLED Device and Preparation Method Thereof, Display Substrate and Display Apparatus
    Publication number: 20220344607
    Abstract: Provided is an OLED device, which includes a first electrode, a second electrode, and a first light emitting unit located between the first electrode and the second electrode. An absorption rate of the first electrode for blue light is greater than an absorption rate of the first electrode for red light, and the absorption rate of the first electrode for blue light is greater than an absorption rate of the first electrode for green light. The first light emitting unit includes a light emitting layer and a hole functional unit located between the first electrode and the light emitting layer. The hole functional unit at least includes at least two hole functional layers, and any hole functional layer includes a second functional layer for injecting holes and a third functional layer for transporting holes which are stacked along a direction away from the first electrode.
    Type: Application
    Filed: November 25, 2020
    Publication date: October 27, 2022
    Inventors: Hui TONG, Yuhao LEE, Xiaohu LI, Zhiwei NIAN, Kuanta HUANG, Chao YANG, Xiaobin SHEN, Yongfa DONG, Qing WANG, Shipeng LI, Hongtao YU, Zongshun YANG