Patents by Inventor Do Yeol YOON

Do Yeol YOON 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).

  • Organic Light Emitting Diode Employing Multi-Refractive Capping Layer For Improving Light Efficiency
    Publication number: 20220093899
    Abstract: The present invention relates to an organic light emitting diode which complexly includes capping layers having different refractive indexes to improve light extraction efficiency, reduce a driving voltage, and improve current efficiency.
    Type: Application
    Filed: September 9, 2021
    Publication date: March 24, 2022
    Applicant: P&H TECH Co., Ltd
    Inventors: Seo-Yong HYUN, Seok-Keun YOON, Do Yeol YOON, Eunji KO
  • Organic Light Emitting Diode Employing Low-Refractive Capping Layer For Improving Light Efficiency
    Publication number: 20220085336
    Abstract: The present invention relates to an organic light emitting diode which includes a capping layer with a low refractive index to improve light extraction efficiency, thereby reducing a driving voltage, improving power efficiency, and improving current efficiency.
    Type: Application
    Filed: September 9, 2021
    Publication date: March 17, 2022
    Applicant: P&H TECH Co., Ltd
    Inventors: Seo-Yong HYUN, Seok-Keun YOON, Do Yeol YOON, Eunji KO